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TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER)

Subclass of:

455 - Telecommunications

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
455550100 Radiotelephone equipment detail 4812
455078000 With transmitter-receiver switching or interaction prevention 202
455900200 Having particular configuration (e.g., C.B., or walkie-talkie) of a transceiver 142
455077000 With tuning 133
455075000 With frequency stabilization (e.g., automatic frequency control) 84
455900300 Having particular housing or support of a transceiver 62
455084000 With a common signal processing stage 53
455900100 Having particular application (e.g., avalanche victim assistance) of a transceiver 51
455074000 Convertible (e.g., to diverse art device) 30
455088000 Transceiver controlling a separate transceiver or receiver 25
Entries
DocumentTitleDate
20100048145ANALOG FIR FILTER - An analog finite impulse response filter including at least one variable transconductance block having an input for receiving an input voltage and being adapted to sequentially apply each of a plurality of transconductance levels to the input voltage during at least one of a plurality of successive time periods to generate an output current at an output of the variable transconductance block, the at least one variable transconductance block including a plurality of fixed transconductance blocks each receiving the input voltage and capable of being independently activated to supply the output current; and a capacitor coupled to the output of the variable transconductance block to receive the output current and provide an output voltage of the filter.02-25-2010
20130029611CONFIGURABLE WIRELESS INTERFACE - A multistandard RF transceiver is disclosed that may optionally include selectable mixers; selectable amplifiers; a configurable analog filter; and a configurable analog to digital converter. The multistandard RF transceiver may also include a data interface for sending data to a host controller and a control interface for receiving configuration commands from the host controller. The configuration commands identify a wireless standard that is to be implemented by the RF receiver. An RF processor processes an RF signal wherein the processed RF signal is output to the host controller on the data interface.01-31-2013
20130029612WIRELESS COMMUNICATION SYSTEM - According to one embodiment, a wireless communication system comprises a leaky coaxial cable configured to send and receive electric wave to and from a wireless communication terminal and a retainer member configured to vertically arrange the leaky coaxial cable on a given setting surface.01-31-2013
20100022193Method and System for Multiple Antenna Communications Using Multiple Transmission Modes, Related Apparatus and Computer Program Product - A system for diversity processing a signal propagated via two diversity antennas includes: respective propagation paths for propagating two replicas of the signal, these propagation paths being coupled to the two diversity antennas so that the replicas are propagated via different antennas; a time variable delay element for subjecting at least one of the replicas to a time variable delay; and a level adjusting element, such as an asymmetric splitter, to produce a level imbalance between the power levels of the replicas propagated via the two diversity antennas.01-28-2010
20080261539Wireless transmission system having architecture based on three internal antennas and method thereof - A wireless transmission system is provided for receiving a wireless signal in a wireless electronic device. The wireless transmission system includes a first antenna for vertical polarization, a second antenna for horizontal polarization, a sensor module for sensing pose status of the wireless electronic device and generating a control signal, and a controllable switch coupled to the first antenna and the second antenna for selecting one of the first antenna and the second antenna as an active antenna for receiving the wireless signal according to the control signal. With the aid of the two antennas, signal that comes from any direction can be received efficiently. Furthermore, one omni-directional antenna is used for transmitting signal. All the antennas are internal, and have better throughput performance than external antennas.10-23-2008
20080261538DIPOLE ANTENNA FOR A PORTABLE COMMUNICATION DEVICE - The present invention relates to a portable communication device arrangement comprising a main unit and an auxiliary unit. The main unit includes an electrical interface to an auxiliary unit, a ground plane dimensioned for antenna operation at a multiple of a quarter of a wavelength of a desired frequency, and a radio communication unit connected to the ground plane and to the electrical interface. The auxiliary unit comprises at least one electrical conductor to be connected to the electrical interface and including a first radio frequency trap, where the distance between the first radio frequency trap and an end of the conductor that is to be connected to the electrical interface corresponds to an odd multiple of a quarter of a wavelength of the desired frequency. The invention provides a good antenna through reuse of elements already provided in relation to a portable communication device.10-23-2008
20090191821METHOD AND SYSTEM FOR TRANSMIT PATH FILTER AND MIXER CO-DESIGN - Aspects of a method and system for transmit path filter and mixer co-design are provided. In this regard, a filter may generate an output current based on a voltage applied to the filter and based on a feedback current produced by the filter, and a current mirror may mirror the generated output current into a mixer. Additionally, the output current may be filtered by a transconductance and a capacitance at an input of the current mirror. This filtering may reduce out-of-band noise generated by the voltage to current conversion devices. A gain of an output of the mixer may be controlled by varying a width of one or more transistors of the current mirror and/or by varying a resistance coupled to the current mirror input. A frequency response of the filter may be controlled by varying the gate width and the capacitance at the input of the current mirror.07-30-2009
20110195671COMMUNICATION DEVICES WITH INTEGRATED GYRATORS AND METHODS FOR USE THEREWITH - A device includes an on-chip gyrating circuit that generates a motion parameter based on motion of the device. An RF transceiver generates an outbound RF signal from an outbound symbol stream, transmits the outbound RF signal to a remote station of a wireless network, and generates an inbound symbol stream from an inbound RF signal received from the at least one remote station. A processing module processes the motion parameter to produce motion data, converts outbound data into the outbound symbol stream, converts the inbound symbol stream into inbound data, compares current motion data to past motion data, detects when a difference between the current motion data and the past motion data compares unfavorably to a motion change threshold, and include the motion data in the outbound data when the difference between the current motion data and the past motion data compares unfavorably to the motion change threshold.08-11-2011
20110195670METHOD AND SYSTEM FOR UPLINK BEAMFORMING CALIBRATION IN A MULTI-ANTENNA WIRELESS COMMUNICATION SYSTEM - A wireless transceiver, comprising a transmitter, a receiver and a plurality of antennas, determines transmit phase relationship between at least two of antennas based on radio frequency (RF) signals received via the at least two antennas from one or more antennas of a base station. RF signals are transmitted via the at least two antennas utilizing the determined transmit phase relationship. The receiver is calibrated based on receiver performance determined from the received RF signals for subsequent reception of RF signals. The transmit phase relationship is dynamically adjusted based on the transmit RF measurements and the determined receiver performance. Transmit channel qualities are determined for each transmit antenna based on the transmit RF measurements and the dynamically adjusted transmit phase relationship. Transmit antennas are dynamically selected based on the adjusted transmit phase relationship, the characterized transmit channel qualities and the determined receiver performance for subsequent transmission to the base station.08-11-2011
20100075615High Speed Serial Link with Power Spectral Density Frequency Response Suppression - This disclosure relates to noise suppression in data transfers in transceivers of wireless devices.03-25-2010
20100075614COMMUNICATION MANAGEMENT UNIT SERVER CAPABILITY - An avionic communication unit with interface capabilities is provided. The communication unit includes at least one first type port, at least one second type port and a communication function. The at least one first type port is configured to couple a communication link using a first communication format to the communication unit. The at least one second type port is configured to couple a communication link using a second communication format to the communication unit. The communication function is configured to provide communications to and from an aircraft. The communication function is further configured to interface communications between the at least one first type port and the at least one second type port wherein avionic devices located on the aircraft and using different communication formats coupled to the respective ports can communicate.03-25-2010
20120244820APPARATUS AND METHOD FOR CONTROLLING ELECTRONIC APPARATUS - An electronic apparatus includes: an antenna module configured to transmit and receive communication waves in a first direction; and a switching module disposed at a position in front of the antenna module, the switching module being configured to electrically switch a direction of the communication waves in the first direction and in a second direction that is different from the first direction.09-27-2012
20090061787TRANSCEIVER, RF-TRANSCEIVER, COMMUNICATION SYSTEM AND METHOD FOR TRANSFERRING CONTROL PACKETS - The present invention refers to an RF-transceiver and to a communication system. The invention is also related to a method for transmitting and processing control packets, particularly control packets transmitted by a baseband device to an RF-transceiver.03-05-2009
20090325507BASEBAND / RFIC INTERFACE FOR HIGH THROUGHPUT MIMO COMMUNICATIONS - Analog signal paths are utilized between a baseband processor and a radio front end to support high throughput communications for a multiple in multiple out radio transceiver that support communications over two or more antennas. Specifically, analog differential I and Q path communication signals are exchanged between a radio front end core and a baseband processor to maximize throughput capacity for high data rate signals. Along the same lines, the impedances of traces and the interface are matched to reduce I/Q imbalance.12-31-2009
20130084812COMMUNICATION APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM - A communication apparatus, which is capable of communicating with a first apparatus via a first communication interface and communicating with a second apparatus via a second communication interface, determines whether the first apparatus complies with a power-saving function of the first communication interface and selects, based on a result of the determination, a communication interface to be operated when the communication apparatus is set to be in a power-saving state from between the first communication interface and the second communication interface. Depending on an ambient environment, a communication interface to be operated during a power-saving operation is selected to increase a power-saving effect.04-04-2013
20130084810RECEIVING APPARATUS, BASE STATION APPARATUS AND METHOD FOR REDUCING INTERFERENCE WAVE - A receiving apparatus includes: an interference wave reducer configured to reduce an interference wave included in a received signal; and an automatic gain controller configured to automatically control a gain for the received signal, the automatic gain controller including a convergence time saver to save convergence time of an automatic gain control for the received signal based on an input of an interference wave.04-04-2013
20130084811ZIGBEE DEVICE AND METHOD FOR MANAGEMENT OF ZIGBEE DEVICE - The present invention is related to a Zigbee device and a method for management of a Zigbee device. The Zigbee device is capable of improving data processing efficiency as well as improving resource utilization by estimating a future available buffer amount of a buffer unit and controlling a variable buffer amount in such a way that the available buffer amount of the buffer unit is matched to the future available buffer amount.04-04-2013
20130078929APPARATUS AND METHODS FOR VARIABLE DC BIAS TO IMPROVE LINEARITY IN SIGNAL PROCESSING CIRCUITS - To maintain linear operation of a signal processing circuit, such as a low noise amplifier, a peak detector detects a peak of a signal associated with the signal processing circuit and compares the detected peak signal with a threshold. When the detected peak signal is greater than the threshold, a variable current source biases the signal processing circuit to place the signal processing circuit in a different mode of operation. The signal processing circuit may thereby process a larger input signal while operating in an acceptable linear region.03-28-2013
20130078928APPARATUS AND METHODS FOR FIXED DC BIAS TO IMPROVE LINEARITY IN SIGNAL PROCESSING CIRCUITS - To maintain linear operation of a signal processing circuit, such as a low noise amplifier, a peak detector detects a peak of a signal associated with the signal processing circuit and compares the detected peak signal with a threshold. When the detected peak signal is greater than the threshold, a fixed current source biases the signal processing circuit to place the signal processing circuit in a different mode of operation. The signal processing circuit may thereby process a larger input signal while operating in an acceptable linear region.03-28-2013
20130078927ROBUST TRANSCEIVER DESIGN - A system is provided for optimizing throughput in a communication system. During operation, the system receives, at a first antenna, estimated channel state information (CSI) at least one channel between the first antenna and at least one second antenna. The system obtains antenna correlation information associated with the first antenna and the second antenna, respectively. The system further calculates a set of noise terms associated with random noise for the at least one channel, and optimizes a configuration of beamformers for the first antenna and the at least one second antenna that maximizes a throughput of all antennas, in accordance with the estimated CSI, the obtained antenna correlation information, and the noise terms.03-28-2013
20130210372MICRO ANTENNA FEEDER FOR WIDE BAND - The present invention relates to a micro wideband antenna feeder, and more particularly, to a micro wideband antenna feeder in which a quad scheme antenna and a cross dipole antenna are coupled to each other. The micro wideband antenna feeder includes: a quad scheme antenna; and a cross dipole antenna installed orthogonal to the quad scheme antenna and irradiating current distribution orthogonal to current distribution irradiated from the quad scheme antenna. According to preferred embodiments of the present invention, since phases 0, 90, 180, and 270 can be shifted by being designed as a feeding network PCB, a circularly polarized wave can be implemented.08-15-2013
20090017774System and Method for Calibrating a Transceiver - The present invention provides systems and methods for calibrating a transceiver. In an exemplary embodiment, a method of operating a modular wide-range microwave transceiver, each having precalibrated modules, comprises the steps of coupling the precalibrated modules to form a radio unit, each module having a module memory storing predetermined calibration values, coupling the radio unit to a signal processing unit, determining a first attenuation value by adjusting a first transmit attenuator to achieve a predetermined target output of a AGC detector, and storing the first attenuation value in a first module memory, and when an RF loopback switch is coupled as part of the radio unit, determining a received signal level (RSL) correction factor and transmit output power correction factor based on a loop-back switch insertion loss.01-15-2009
20100099365MAGNETIC SHEET, METHOD FOR PRODUCING THE MAGNETIC SHEET, ANTENNA, AND PORTABLE COMMUNICATION DEVICE - The present invention provides a magnetic sheet with improved resistance to folding while maintaining good magnetic characteristics and reliability; a method for producing the magnetic sheet; an antenna; and a portable communication device.04-22-2010
20100041345Method of Controlling a Plurality of Internal Antennas in a Mobile Communication Device - In one embodiment, a mobile communication device comprises a plurality of antennas, the antennas operable in at least one frequency band, is operable to automatically optimize the best antenna or antenna combination in reaction to the mobile communication device's immediate environment. The antennas are disposed substantially coplanar and have varying degrees of polarity. The mobile communication device further comprises logic structure for determining which of the antennas are optimal for operation of the mobile communication device and logic structure for selecting the optimal antenna for operation of the mobile communication device.02-18-2010
20090156135TRANSCEIVER - A transceiver includes an oscillator and a plurality of communication blocks. Each of the communication blocks includes frequency dividers and mixers. Frequency dividing number of the frequency divider included in one communication block is set to an even-numbered integer, and transmission local signals supplied from the frequency dividers to the mixer become quadrature signals having a phase difference of 90 degrees. The frequency dividing number of another frequency divider in the another communication block is set to a non-integer, and communication local signals supplied from the frequency divider to the mixers become non-quadrature signals having a phase difference at a predetermined offset angle from 90 degrees. The transceiver further includes a converting unit for giving a compensation offset amount having almost the same absolute value and having a polarity opposite to that of the offset angle to communication analog signals related to the mixer of the another communication block. Increase in the number of voltage-controlled oscillators for multiband communication, broadening of the band, and increase in phase noise can be reduced.06-18-2009
20090156134System for Conducting Secure Digital Signing of and Verification of Electronic Documents - A computerized appliance, typically configured as a pocket-portable device, has a central processing unit (CPU), a non-volatile data repository, a wireless transceiver, and a first code set resident and executable by the CPU in response to commands and data received at the appliance via the wireless transceiver. A first function of the first code set is to configure the appliance to execute, in response to an input signal via the wireless transceiver, a second code set resident and executable by the CPU, the second code set managing communication with one or more external wireless devices via the wireless transceiver.06-18-2009
20090156133Method and System for Dynamically Adjusting Intermediate Frequency (IF) and Filtering for Microwave Circuits - Certain aspects of a method and system for dynamically adjusting intermediate frequency (IF) and filtering in microwave circuits may include generating one or more intermediate frequency (IF) signals from one or more baseband signals and/or one or more radio frequency (RF) signals. The generated one or more IF signals may be filtered to avoid detected interference and/or detected noise from out-of-band radio sources. The frequency of the generated one or more IF signals may vary depending on the detected interference and/or detected noise. The filtering of the generated one or more IF signals may be adjusted based on the variation in the frequency of the generated one or more IF signals. The one or more RF signals may be down-converted to generate the one or more IF signals. The generated IF signals may be further down-converted and dynamically filtered to generate the desired baseband signals.06-18-2009
20100105338PREDISTORTION METHODS AND APPARATUS FOR TRANSMITTER LINEARIZATION IN A COMMUNICATION TRANSCEIVER - Predistortion methods and apparatus for transmitter linearization in a communication transceiver are disclosed. An example apparatus to linearize a digitally controlled pre-power amplifier included in a transmitter of a communication transceiver disclosed herein comprises a predistorter to predistort an input signal to be processed by the digitally controlled pre-power amplifier, a coupling path within the communication transceiver to couple an output of the digitally controlled pre-power amplifier to an input of a receiver included in the communication transceiver without enabling an output power amplifier stage of a multi-stage power amplifier coupled to an output of the digitally controlled pre-power amplifier, wherein no additional hardware components are required to implement the coupling path within the communication transceiver, and a predistortion evaluator comprising a predistortion calibrator and a predistortion compensator to process data demodulated by the receiver to generate and update predistortion values for use by the predistorter.04-29-2010
20130035043POWER EFFICIENT COMMUNICATIONS - A method, system, and device provide power-efficient communications within the context of available power. Transmission and receipt data rates are scalable in accordance with output power available from a power source. Data is transmitted at a data rate determined, at least in part, by the available output power.02-07-2013
20090305644SYSTEM AND METHOD FOR A WIRELESS CONTROLLER - The energy management system and/or method includes at least one wireless controller in a wireless network and/or a management server. The wireless controller manages at least one energy device based on one or more parts of an energy profile. The management server manages one or more parts of the energy profile, transmits one or more parts of the energy profile to the wireless controller, and receives energy data from the wireless controller.12-10-2009
20090042516BROADBAND WIRELESS COMMUNICATIONS SYSTEMS AND METHODS USING MULTIPLE NON-CONTIGUOUS FREQUENCY BANDS/SEGMENTS - Wireless communications transceivers include a transmitter that is configured to selectively frequency shift and transmit portions of broadband information over multiple non-contiguous narrowband frequency bands/segments, each of which is too narrow to carry the broadband information. A receiver also is configured to receive and selectively frequency shift portions of broadband information from multiple non-contiguous narrowband frequency bands/segments, each of which is too narrow to carry the second broadband information. Broadband information thereby may be transmitted and received in a regulated communications environment, even though a given provider may only be assigned discontinuous frequency bands/segments, none of which is wide enough to carry the entire broadband information.02-12-2009
20130052963Media Module of a Device - A media module of a device including a display component, an audio component, a sensor, a communication component to wirelessly couple the media module with the device to receive audio/video data from the device and to transmit input data to the device, and a power component to inductively receive power from the device if the media module is within proximity of the device.02-28-2013
20130052965SYSTEMS AND METHODS FOR MONITORING OF BACKGROUND APPLICATION EVENTS - Systems, methods, and devices for implementing a communication access policy are described herein. In some aspects, a wireless device is configured to execute a plurality of applications and to communicate with a communication network. The wireless device comprises a receiver configured to receive a plurality of rules specifying how one or more of the plurality of applications should communicate with the communication network. The wireless device comprises a processor configured to delay communication by one or more of the plurality of applications in compliance with the rules. The processor is further configured to allow transmission of the communication by one or more of the plurality of applications after termination of the delay. In one aspect, the processor is configured to separately record communication statistics based on whether the device is in a background or foreground state.02-28-2013
20130052964ADAPTIVE INTERFERENCE CANCELLATION FOR TRANSMITTER DISTORTION CALIBRATION IN MULTI-ANTENNA TRANSMITTERS - A wireless communication device includes a core logic, first and second transceiver chains, first and second antennas, and an interference processor. The core logic is coupled to both the first and second transceiver chains, which in turn are coupled to the first and second antennas, respectively. The interference processor is coupled between the first and second transceiver chains. To calibrate circuitry within the first transceiver chain using first signals generated in the first transceiver chain while the second transceiver chain is transmitting second signals via the second antenna, the interference processor connects the transmit circuit of the second transceiver chain to the receive circuitry of the first transceiver chain to form an interference feedback path that can be used to compensate for unwanted components of the second signal undesirably picked up by the first antenna.02-28-2013
20130090071SYSTEMS AND METHODS FOR COMMUNICATION IN A WHITE SPACE - Systems, methods, and devices to communicate in a white space are described herein. In some aspects, wireless communication transmitted in the white space authorizes an initial transmission by a device. The wireless communication may include power information for determining a power at which to transmit the initial transmission. The initial transmission may be used to request information identifying one or more channels in the white space available for transmitting data.04-11-2013
20090305647Communication transceiver having a three-line balun with power amplifier bias - A balun that includes a first conductor, a second conductor, and a third conductor. The first conductor has a first length. The first conductor also has a first end connected to a first balanced power amplifier output port. The second conductor has substantially the same first length. The second conductor also includes a first end connected to a second balanced power amplifier output port and a second end connected to a second end of the first conductor. The third conductor has substantially the same first length. The third conductor has a first end connected to an antenna port and a second end connected to a ground potential.12-10-2009
20090305645Radio Communication Device - A radio communication terminal 12-10-2009
20130072133SIGNAL TRANSCEIVING METHOD, SIGNAL TRANSCEIVER UTILIZING THE SIGNAL TRANSCEIVING METHOD, NETWORK CONNECTION METHOD AND NETWORK DEVICE UTILIZING THE NETWORK CONNECTION METHOD - A signal transceiving method, applied to a signal transceiver, includes: adjusting to approximate a value of a clock frequency of a signal to be transmitted from the signal transceiver to a value of a clock frequency of a received signal; performing an echo cancellation operation; computing a distance between a first certification code transmitted by the signal transceiver and a second certification code received by the signal transceiver; and stopping the echo cancellation operation when the distance is smaller than a threshold value.03-21-2013
20130059547MOBILE TERMINAL, IMAGE DISPLAY DEVICE MOUNTED ON VEHICLE AND DATA PROCESSING METHOD USING THE SAME - A mobile terminal including a display unit configured to output an image, a communication unit configured to transceive data with an external mobile terminal, and a controller configured to control the communication unit to receive a notification corresponding to an event information of an application installed at the mobile terminal from the mobile terminal, the controller controlling the display unit to output a screen of the event to a user in accordance with the notification, the controller controlling the communication unit to receive an input of a user action corresponding to a command for processing the event from a user via the screen of the event and to transmit the user action to the mobile terminal. Further, the notification includes an identification information of the application and an identification information of the user action provided by the application.03-07-2013
20130059549TRANSMISSION APPARATUS, TRANSMISSION METHOD AND TRANSMISSION SYSTEM - In order to improve the efficiency of removing a component of a signal different from a target received signal, a transmission apparatus includes: a reception means for receiving a first signal transmitted by a first transmission apparatus, and removing a component of a second signal transmitted by a second transmission apparatus, the second signal being received along with the first signal, using a third signal inputted from a third transmission apparatus receiving the second signal; a control means for setting a first modulation method based on the first signal, and generating first information, the first information being information including directions to change a modulation method of the first signal and a modulation method of the second signal to the first modulation method; and a transmission means for transmitting the first information to the first transmission apparatus.03-07-2013
20130059548OSCILLATOR AND RADIO COMMUNICATION DEVICE - According to an embodiment, there is provided with an oscillator including: a clock circuit, a power supply current source and an oscillating circuit wherein the clock circuit generates a clock signal, the power supply current source generates a power supply current according to the clock signal, and the oscillating circuit generates an oscillation signal of a higher frequency than a frequency of the clock signal based on the power supply current and a received signal from an input terminal, the received signal having amplitude of a predetermined level or more.03-07-2013
20130059546Radio-Frequency Power Amplifier Circuitry with Power Supply Voltage Optimization Capabilities - Electronic devices with wireless communications capabilities are provided. The electronic device may include storage and processing circuitry, power amplifier circuitry, power supply circuitry, etc. The storage and processing circuitry may direct the power amplifier circuitry to operate using a desired power mode, in allocated resource blocks within a particular frequency channel, and at a given output power level. The power supply circuitry may bias the power amplifier circuitry with a power supply voltage. The electronic device may be subject to in-band emissions requirements and adjacent channel leakage requirements that restrict the power levels produced by the device on frequencies that are not allocated to the device. The electronic device may optimize the power amplifier supply voltage based on allocated resource blocks by minimizing the supply voltage to reduce power consumption while ensuring that emissions requirements are satisfied.03-07-2013
20090270046WIRELESS ACCESS SYSTEM CAPABLE OF CONTROLLING ELECTRONIC DEVICES AND CONTROL METHOD THEREOF - A wireless access system includes an electronic device and a portable wireless access device. The electronic device includes a user interface and a first wireless transceiver. The portable wireless access device is wirelessly connected to the electronic device through a wireless broadband interface. The portable wireless access device includes a touch panel, a second wireless transceiver, and a controller. The second wireless transceiver receives an image datum corresponding to the user interface transmitted from the first wireless transceiver and transmits a location datum corresponding to a function item of the user interface to the first wireless transceiver. The controller controls the touch panel to display the user interface according to the image datum and generates the location datum after selecting the function item on the touch panel. After the first wireless transceiver receives the location datum, the electronic device executes a function according to the location datum.10-29-2009
20090270045Providing Haptic Effects To Users In A Short Range Wireless System - Systems, methods, and associated software for imposing a haptic effect upon a user are disclosed herein. A user device, which is operable within a wireless interaction system according to one implementation, includes a transceiver that is configured to communicate wirelessly with a host device. The user device further includes a processor that is configured to determine whether a specific interaction event occurs. The interaction event, for example, is related to an interaction with the host device. The user device also includes a haptic actuator that is configured to impose a haptic effect upon a user when the processor determines that the specific interaction event has occurred.10-29-2009
20090258604STAND ALONE SENSOR APPARATUS FOR CONTINUOUS WEB MACHINES - A stand alone sensor apparatus includes a moveable chassis and, mounted to the chassis, a wireless power receiver, a sensor, and a wireless transceiver. The wireless power receiver receives power wirelessly, converts the wireless power to electrical power, and provides the electrical power to the sensor and the wireless transceiver. The sensor measures a characteristic of a continuous web material. The wireless transceiver is coupled to the sensor and wirelessly sends a signal that is based upon the measured characteristic. An air source and/or a temperature control device may be mounted to the moveable chassis and receive electrical power from the wireless power receiver.10-15-2009
20120115422IMAGE MAGNIFICATION BASED ON DISPLAY FLEXING - Systems and methods control resizing a presentation of an image on a flexible display. A user flexes a flexible display in a particular manner to control magnification or size reduction of the image presented on the display. The amount of magnification or size reduction of the image presented on a flexible display increases along with the absolute magnitude of flexible display flexing. The flexible display can be double flexed within a defined time to indicate that another action is to be taken, such as fitting the presently displayed document to the width of the flexible display or fitting the entire document to the flexible display. The direction of flexing, such as flexing in a concave or a convex direction, is a flexing characteristic that causes other desired actions.05-10-2012
20090017772MULTIBAND HIGH-FREQUENCY CIRCUIT, MULTIBAND HIGH-FREQUENCY CIRCUIT DEVICE AND MULTIBAND COMMUNICATIONS APPARATUS COMPRISING SAME - A multiband high-frequency circuit comprising a first switch SPDT01-15-2009
20090298442TRANSMITTER CONTROLLED COMMUNICATION LINKS - A wireless communication system is disclosed herein. The wireless communication system may include transmitter units and a receiver. In one embodiment, each transmitter has an address and logic programmed to perform the steps of receiving a user selection and, responsive to the receiving, repeatedly transmitting a wireless selection signal until a wireless acknowledgment signal is received. The wireless selection signal may include the address and the user selection. The receiver may include means to receive a wireless selection signal and logic programmed to transmit a wireless acknowledgment signal in response to the receipt of each wireless selection signal.12-03-2009
20090163146Communication Apparatus and Air-Cooling Method for the Same - There is provided a communication apparatus and an air-cooling method for the same, in which the air-cooling mode can be easily changed to reduce the cost to increase the number of transceiver units and the space for the housing. The communication apparatus includes transceiver units of a transmission system for communication, the units being installed in a housing and being attachable onto and detachable from the communication apparatus; fan units for forcibly air-cooling heat generated from the transceiver units, the fan units being installed in the housing and being attachable onto and detachable from the communication apparatus. Each transceiver unit includes a transceiver function section including a transceiver function; a forced air-cooling radiator fixedly mounted in the transceiver function section for forcibly air-cooling heat generated from the transceiver function section; and a natural air-cooling radiator mounted in the transceiver function section for naturally air-cooling heat generated from the transceiver function section. The natural air-cooling radiator is attachable onto and detachable from the main transceiver section.06-25-2009
20110244810EFFICIENT CONCURRENT SAMPLING AT DIFFERENT RATES - An apparatus and method for efficient and concurrent sampling of a sensor signal to create multiple output signals each at different sampling rates is provided. The apparatus and method determine an aperiodic sampling rate or sampling schedule such that only samples representing samples at the different sampling rates are taken. The aperiodic samples are taken then de-interleaved to filter wanted samples for a particular application or user. As a result, the aperiodic samples is just a combination of all of the subsets to each application. Such aperiodic sampling reduces a total number of samples taken and, as a direct result, reduces the number of samples needing to be processed and stored and also reduced the power otherwise consumed to sample, process and store unused samples.10-06-2011
20110294442TRANSCEIVER SYSTEM AND OPERATION METHOD THEREOF - A transceiver system which can communicate a plurality of linked partners, and the increase in power consumption by the transceiver system can be minimized. The transceiver system includes a transceiver, and a communication controller. The transceiver is capable of performing transmitted and received data communication with terminal devices. The communication controller is capable of controlling the memory transfer of transmitted and received data. The transceiver system can be set to an operation mode selected from among intermittent- and uninterrupted-operation modes. In the intermittent-operation mode, the transceiver and the communication controller work alternately, whereas in the uninterrupted-operation mode, the transceiver and the communication controller works in parallel. The operation mode of the transceiver system is set according to unique identification data of terminal devices. In a working period of the communication controller in the intermittent-operation mode, the operation of the transceiver is stopped by the control signal.12-01-2011
20110281529Communication System, Communication Device and Communication Rate Modification Method - A communication system includes: an RF/IF/BB unit (11-17-2011
20110281527RADIO COMMUNICATION TRANSCEIVER - A radio communication transceiver achieving impedance matching when the transceiver operates in an output state and an input state respectively in a manner of switching a switch includes a transformer, a switch, a power amplifier (PA), and a low noise amplifier (LNA). The transformer has a primary winding including a first endpoint and a second endpoint and a secondary winding including a first endpoint and a second endpoint. The switch has a gate, a drain, and a source, wherein the gate receives a control signal, the drain is connected to the second endpoint of the primary winding, and the source is connected to the second endpoint of the secondary winding. The PA has an output terminal connected to the first endpoint of the primary winding of the transformer. The LNA has an input terminal connected to the second endpoint of the primary winding of the transformer.11-17-2011
20110130101WIRELESS COMMUNICATION SYSTEM AND METHOD FOR SHARING SENSING ANTENNA, SENSING RECEIVER, DATA TRANSCEIVER ANTENNA, AND DATA TRANSCEIVER - Provided is a method of sharing a data transceiver, a data transceiver antenna, a sensing receiver, and a sensing antenna, and a wireless communication system. The data transceiver and the sensing receiver, or the data transceiver antenna and the sensing antenna may be flexibly shared based on a condition. During a period where a transceiver and an antenna are utilized, the transceiver and the antenna may be utilized for different purposes. The transceiver and the antenna may be flexibly shared to increase efficiency in using the transceiver and the antenna, and thus, a spectrum sensing and a data transmission and reception performed in a system may be improved.06-02-2011
20080233889Method and System for Simultaneous FM Transmission and FM Reception Using a Shared Antenna and A Direct Digital Frequency Synthesizer - Certain aspects of a method and system for simultaneous FM transmission and FM reception using a shared antenna and a direct digital frequency synthesizer (DDFS) may be disclosed. In a FM transceiver that receives FM signals at a frequency f09-25-2008
20110300810TRANSCEIVER INCLUDING A WEAVED CONNECTION - A transceiver includes a local oscillation module, a transmitter section, and a receiver section. The local oscillation module is operable to generate a transmit local oscillation and a receive oscillation. The transmitter section includes a transmit mixing module and a transmit weaved connection that is operable to high frequency filter the transmit location oscillation. The transmit mixing module mixes the filtered transmit location oscillation with a transmit signal to produce an up-converted signal. The receiver section includes a receive mixing module and a receive weaved connection that is operable to high frequency filter the receive location oscillation. The receive mixing module mixes the filtered receive location oscillation with an RF received signal to produce a down-converted signal.12-08-2011
20110143687Matching Circuit, Wiring Board, and Transmitter, Receiver, Transceiver, and Radar Apparatus That Have the Matching Circuit - There are provided a matching circuit which is less prone to impedance mismatch even with variations in pattern dimension, and a wiring board, and also a transmitter, a receiver, a transceiver, and a radar apparatus that succeed in offering stable characteristics with the installation of the matching circuit. Characteristic impedance of a first transmission line including a connection portion is varied between a reflection source including a stub portion and a bonding wire serving as a load. Impedance variation is achieved by varying a distance from the connection portion to a back conductor layer coupled thereto with respect to a distance from the stub portion and a transmission line portion to an inner conductor layer coupled to them.06-16-2011
20110143685Multiband Low Noise Amplifier (LNA) With Parallel Resonant Feedback - A multiband low noise amplifier (LNA) with parallel resonant feedback includes an amplifier element configured to receive a radio frequency (RF) signal at an RF input and provide an amplified version of the RF signal at an RF output, a resistive feedback circuit coupled between the RF input and the RF output, and a plurality of series-coupled resonant circuits coupled in series with the resistive feedback circuit between the RF input and the RF output of the amplifier element, wherein each of the resonant circuits is configured to operate as an effective short circuit at a frequency other than a resonant frequency and configured to operate as an effective open circuit at the resonant frequency to decouple the resistive feedback from the amplifier element at each resonant frequency.06-16-2011
20120108183CONFIGURABLE RF SECTIONS FOR RECEIVER AND TRANSMITTER AND METHODS FOR USE THEREWITH - A transceiver includes an RF receiver section having a plurality of RF receiver stages configured in parallel, and a configurable RF transmitter section. The plurality of RF receiver stages are selectively enabled in response to a control signal. The configurable RF transmitter section is configured to operate in one of: a mixed signal mode of operation and a phase modulation mode of operation, in response to the control signal.05-03-2012
20110287723TRANSMISSION LEVEL CONTROL METHOD AND TRANSCEIVER APPARATUS IN WIRELESS LOCAL LOOP SYSTEM - A transmission level control method in a wireless local loop system capable of suppressing occurrence of an unnecessarily high transmission level, comprises a step of generating a required reception level corresponding to a classification of data, a step of detecting the reception level of data at a receiver side transceiver apparatus, a step of finding a level difference between the detected reception level and the required reception level corresponding to the classification of the related received data, and a step of controlling a change of the transmission level at a transmitter side transceiver apparatus according to this level difference.11-24-2011
20120003943PERFORMING MEASUREMENTS IN WIRELESS COMMUNICATIONS USING MULTIPLE CARRIERS - Methods and systems to configure and/or reconfigure measurement configuration in wireless communications with one or more cells are disclosed. Measurement configuration reporting may be reconfigured based on events associated with the one or more serving cells and/or one or more serving component carriers, among others. Measurement configuration and measurement configuration reporting may also be reconfigured based on events associated with one or more serving component carriers.01-05-2012
20110294441POWER CONSUMPTION MANAGEMENT FOR MULTICARRIER ARRANGEMENTS - An arrangement for use in a telecommunication system includes a binder of subscriber lines, a local transceiver circuit, and a far-end crosstalk cancellation circuit. Each of the subscriber lines ends at one of a plurality of remote user terminals. The local transceiver circuit is associated with the binder of subscriber lines and comprises a plurality of substantially identical transceiver modules, each of the transceiver modules being associated to one or a small number of subscriber lines. The far-end crosstalk cancellation circuit is configured to reduce far-end crosstalk between the subscriber lines of the binder, and is operably connected to interface with at least parts of the received data of the respective local transceiver modules. The far-end crosstalk cancellation circuit operable to implement a blind training algorithm for at least one victim subscriber line based on signals received by the respective associated transceiver modules.12-01-2011
20080233890METHOD AND SYSTEM FOR AUTO DETECTING AND AUTO SWITCHING ANTENNAS IN A MULTI-ANTENNA FM TRANSMIT/RECEIVE SYSTEM - Methods and systems for auto detecting and auto switching antennas in a multi-antenna FM transmit/receive system are disclosed and may include detecting when an external antenna may be coupled to an external port of the wireless device and utilizing the external antenna for transmitting and/or receiving FM signals. The decoupling of an external antenna from an external port may be detected, which may cause the FM radio transmitter/receiver to be configured to transmit and/or receive FM signals utilizing antennas internal to the wireless device. One or more test signals, which may include AC signals, may be generated within the chip for detecting whether an external antenna may be coupled to an external port. A reflected signal from an external port may be measured and compared to a prestored value corresponding to a reflection due to an open circuit at the one or more external ports of the wireless device.09-25-2008
20090163147Method for assigning control channels - The present invention is a mobile device capable of transmitting or receiving wireless signals and incorporating an FPC shielded RF signal conductor for connecting transmitter and/or receiver circuitry to an associated RF antenna or antennas. In some embodiments FCP may incorporate the antenna in an unshielded section of the FPC. In some embodiments a single FPC may provide for multiple RF carrier conductors each with their own associated shielding.06-25-2009
20100035560APPARATUS AND METHOD FOR TRANSFORMING AND TRANSMITTING SIGNAL - A signal transforming and transmitting apparatus and a signal transforming and transmitting method are provided. The signal transforming and transmitting apparatus includes a processing chip, and a signal dividing/integrating unit. The processing chip defines a signal-download period and a signal-upload period according to a clock signal. The signal dividing/integrating unit is coupled to the processing chip, and is adapted for dividing a wired downloading signal from a wireless downloading signal transmitted from the base station during the signal-download period, and transmitting the wired downloading signal and the wireless downloading signal to corresponding downstream devices. The signal dividing/integrating unit is adapted for integrating a wired uploading signal and a wireless uploading signal into an integrated wireless uploading signal and transmitting the integrated wireless uploading signal to the base station, during the signal-upload period. In such a way, the present invention avoids the interference caused by overlaps between uploading and downloading operations.02-11-2010
20090286487ADAPTIVE RADIO TRANSCEIVER - An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration into a single IC including components such as filters and inductors. The controller for adaptive programming and calibration of the receiver, transmitter and LO generator. The self-testing unit generates is used to determine the gain, frequency characteristics, selectivity, noise floor, and distortion behavior of the receiver, transmitter and LO generator. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.11-19-2009
20090098831DUAL BAND RADIO FREQUENCY TRANSMITTER - A transmitter includes a transformer and a transformer tuning circuit. The transformer transforms a differential radio frequency (RF) signal to a single-ended RF signal. The transformer tuning circuit tunes the transformer to permit the transmitter to transmit the single-ended RF signal in a first frequency band (e.g., cellular frequency band) or a second frequency band (e.g., PCS frequency band).04-16-2009
20090098832MOBILE DEVICE POWERED BY ALTERNATIVE ENERGY - A mobile device and a method for powering a mobile device are disclosed. In some embodiments, the mobile device comprises a processor that executes instructions for mobile applications, a transceiver that sends and receives data related to the mobile applications, a primary power cell that couples to the processor and the transceiver, an alternative power cell that couples to the processor and the transceiver and that generates electrical power from a renewable power source, and a switch that enables the primary power cell and the alternative power cell to power the processor and the transceiver.04-16-2009
20090275293WIRELESS COMMUNICATION DEVICE AND COMMUNICATION CONTROL METHOD - A wireless communication device includes a first wireless unit a first wireless unit processing a first radio signal propagated through a space; a second wireless unit processing a second radio signal propagated along the surface of a human body or in the human body; and a control unit selecting, as a present radio signal, any one of the first radio signal and the second radio signal, and controlling the first wireless unit and the second wireless unit so as to process the present radio signal.11-05-2009
20100035561Consumer Electronic Device Having A Distributed Form Factor Millimeter Wave Receiver and Transmitter - A consumer electronic device having distributed form factor millimeter wave receiver and transmitter comprising a first motherboard part including a baseband module; a second motherboard part including a receive (RX) active antenna, wherein the RX active antenna is connected to the baseband module using a pair of cables; and a third motherboard part including a transmit (TX) active antenna, wherein the TX active antenna is connected to the baseband module using a pair of cables.02-11-2010
20100112960METHOD AND SYSTEM FOR POWER SAVING IN WIRELESS COMMUNICATIONS - A method and system for power saving communication in a wireless network is provided. One implementation involves establishing a wireless bus between two electronic wireless stations, and at a receiving wireless station receiving an incoming wireless signal from a wireless transmitting station via a wireless communication medium, initiating processing the signal for detecting if the signal comprises a wireless bus tracking signal, and if the signal comprises a wireless bus tracking signal, then ceasing further processing of the signal to conserve power.05-06-2010
20100267348MOBILE TERMINAL AND METHOD OF CONTROLLING DATA TRANSMISSION AND RECEPTION THEREIN - A mobile terminal and method of controlling data transmission and reception therein are disclosed. In a mobile terminal selectively performing a data transceiving operation or a signal transceiving operation, the present invention includes performing the data transceiving operation, determining whether the data transceiving operation in the course of being performed meets a prior execution condition, if the data transceiving operation in the course of being performed by the wireless communication unit meets the prior execution condition, setting up a data prior mode for enabling the data transceiving operation to be performed prior to the call signal transceiving operation, wherein as the data prior mode is set up, if the call signal transceiving operation is detected, the data transceiving operation is preferentially performed. Accordingly, a data transceiving operation can be performed prior to a call signal transceiving operation despite that a hybrid mode is set.10-21-2010
20100267347METHOD AND SYSTEM FOR MULTIPLE ANTENNA COMMUNICATIONS, RELATED APPARATUS AND CORRESPONDING COMPUTER PROGRAM PRODUCT - A system for diversity processing two signals transmitted and/or received via two diversity antennas includes at least four respective propagation paths coupling the signals to the two diversity antennas. Diversity processing is primarily in the form of decorrelation achieved by means of time variable delay elements that apply time variable delays to the signals propagating over at least two of the propagation paths in the system. The related processing may take place either at RF or IF, or at baseband, whereby the time variable delays are applied by subjecting the baseband signals to multiplication by a complex signal.10-21-2010
20100022194AUTO-CALIBRATING RECEIVER AND METHODS FOR USE THEREWITH - A voice, data and RF integrated circuit includes an RF transmitter generates a transmit signal that includes a first calibration signal when at least one control signal indicates a receive calibration mode. An RF receiver receives a received signal that includes the first calibration signal and generates at least one receiver equalization parameter for equalizing the RF receiver, when the at least one control signal indicates the receive calibration mode.01-28-2010
20120034882RECONFIGURABLE WIRELESS MODEM ADAPTER - A reconfigurable wireless modem adapter is provided. The reconfigurable wireless modem adapter includes a control board and a radio frequency switch. The control board has at least two interfaces for a respective at least two modems and is configured to communicatively couple to at least one onboard system in a vehicle. The control board activates a selected modem interfaced to one of the at least two interfaces. The radio frequency switch is communicatively coupled to the control board via the selected one of the at least one modem. The radio frequency switch communicatively couples an antenna to the selected modem. When the control board is communicatively coupled to the at least one onboard system and activates the selected modem, and when the radio frequency switch is communicatively coupled to the antenna, the antenna is communicatively coupled to the at least one onboard system via the selected modem.02-09-2012
20090311970Wireless Transmitter - A magnetic field tolerant amplifier having an amplifier stage, a differential to single-ended output amplifier stage and a first and second delay line. In another embodiment the invention relates to a magnetic gradient cancellation delay line including two coils connected in series at a junction and non-inductively wound to cancel induced currents from magnetic gradient. In another embodiment the invention relates to a patient lead including a flexible circuit substrate having a flexible conductor having distributed impedance. In still yet another embodiment the invention relates to a wireless transceiver system including an RF cancellation delay line; a differential amplifier stage; a differential to single ended output amplifier stage; an A/D converter; an RF transceiver and an antenna.12-17-2009
20110201281High Frequency Switching Circuit and Method for Determining a Power of a High Frequency Signal - A high frequency switching circuit, including a high frequency switching element. The high frequency switching element including a first channel terminal and a second channel terminal, wherein the high frequency switching element is configured to switchably route a high frequency signal via a channel path between the first channel terminal and the second channel terminal. The high frequency switching circuit further includes a power detection circuit, wherein the power detection circuit is configured to obtain a first measurement signal from the first channel terminal and a second measurement signal from the second channel terminal, and to combine the first measurement signal and the second measurement signal to derive, in dependence on both the first measurement signal and the second measurement signal, a power signal describing a power value of the high frequency signal routed via the channel path of the high frequency switching element.08-18-2011
20090253382ENHANCED GRANULARITY OPERATIONAL PARAMETERS ADJUSTMENT OF COMPONENTS AND MODULES IN A MULTI-BAND, MULTI-STANDARD COMMUNICATION DEVICE - Enhanced granularity operational parameters adjustment of components and modules in a multi-band, multi-standard communication device. For supporting two-way communications, a communication device includes receiver and transmitter modules. Each module includes various components that are configurable and/or programmable based on a protocol and band pair by which the communication device is operating. The communication device is a multi-protocol and multi-band capable communication device capable to operate in accordance with any one protocol and band at a first time and another protocol and band at a second time. The various components within each of the receiver and transmitter modules can be adjusted using one or more operational parameters. In some instances, a given component can be controlled by more than one operational parameter. Alternatively, certain components are controlled only one operational parameter. The operational parameters that configure the components may be calculated, retrieved from a memory, and/or determined using other means.10-08-2009
20090088084MULTI-LEVEL POINT-TO-POINT TRANSMISSION SYSTEM AND TRANSMITTER CIRCUIT AND RECEIVER CIRCUIT THEREOF - A multi-level point-to-point transmission system including at least one terminal resistor, a transmitter circuit, and a receiver circuit is disclosed. The transmitter circuit includes a first external resistor and a transmitter. The transmitter generates a first reference current according to the first external resistor and determines a current flowed through an output terminal thereof according to a transmission data and the first reference current. The receiver circuit includes a second external resistor, a third external resistor, and at least one receiver. The receiver generates a second reference current according to the second external resistor and generates a reference voltage difference according to the second reference current and the third external resistor. The receiver judges a voltage at the receiving terminal thereof according to the reference voltage difference so as to receive the transmission data correctly.04-02-2009
20100081395DRAM HAVING STACKED CAPACITORS OF DIFFERENT CAPACITANCES - A DRAM device having a plurality of memory blocks, including edge-located memory blocks and adjacent central memory blocks. An edge-located memory block shares a sense amplifier with an adjacent central memory block. The memory cells in the edge-located memory block include data storage capacitors having a greater capacitance value than data storage capacitors in the memory cells in the adjacent central memory block. The data storage capacitors in edge-located memory cells may have greater surface area than data storage capacitors in the central memory cells. The data storage capacitors in edge-located memory cells may be formed by connecting in parallel two data storage capacitors of the shape and size of data storage capacitors used in each of the memory cells of the adjacent central memory block.04-01-2010
20090264083WIRELESS COMMUNICATION SYSTEM - A wireless communication system is disclosed. The present invention mainly includes a transceiver, a first filter unit, a second filter unit, and a first amplifying unit, wherein the first filter unit is a harmonic oscillation circuit having an inductive component and a capacitive component serially coupled to each other, and the harmonic oscillation circuit as well as the circuit of the second filter unit efficiently filter out a local oscillation frequency signal and intermediate frequency signal traveling along with a radio frequency signal, thereby preventing neighboring communication systems from electro-magnetic interference due to radiation of the local oscillation frequency signal and intermediate frequency signal into air via an antenna after being amplified by the first amplifying unit.10-22-2009
20090264082Vehicle locator key fob with range and bearing measurement - An apparatus and method of determining bearing and distance measurements between a mobile device and an object using Rf based measurements. The mobile device communicates with a control in the object to determine the relative bearing between the mobile device and the object with respect to magnetic north and, optionally, the distance between the mobile device and the object. An indicator on the mobile device aid in directing s the user of the mobile device toward the object as the mobile device is moved relative to the object. The mobile device can be a key fob and the object can be a vehicle.10-22-2009
20120270507Systems and Methods for Reduction of Triple Transit Effects in Transceiver Communications - Systems and methods for transceiver communication are discussed herein. An exemplary system comprises a first transceiver unit comprising a first attenuator, a filter module, a gain module, and an antenna. The first attenuator may be configured to attenuate a transmission signal from a second transceiver module over a coaxial cable. The transmission signal may comprise a primary component and a triple transit component. The first attenuator may further be configured to attenuate and provide a reflection signal over the coaxial cable to the second transceiver module. The reflection signal may be based on a reflection of at least a portion of the transmission signal. The filter module configured to filter the transmission signal. The gain module may be configured to increase the gain of the transmission signal. The antenna may be configured to transmit the transmission signal.10-25-2012
20090209211TRANSMITTING/RECEIVING SYSTEM, TRANSMISSION DEVICE, TRANSMITTING METHOD, RECEPTION DEVICE, RECEIVING METHOD, PRESENTATION DEVICE, PRESENTATION METHOD, PROGRAM, AND STORAGE MEDIUM - A transmission/reception system includes: a transmission device configured to transmit data; and a reception device configured to receive the data; wherein the transmission device includes a transmission unit configured to transmit sensory information to realize sensations of content observed with a sense other than seeing and hearing, or content observed with three or more senses; and the reception device has a generating unit configured to generate presentation data to perform presentation with a presentation device, which performs presentation to provide a sensation corresponding to the sensory information, based on the sensory information.08-20-2009
20120295552MOBILE DEVICE, STEP COUNTING METHOD, AND GRAVITY DIRECTION DETECTING METHOD - In order to count the number of steps without involving an increase in circuit size or in computational load, a mobile phone includes a three-axis acceleration sensor to detect accelerations in three directions of X axis, Y axis, and Z axis, which are different from each other, a gravity direction detecting portion to detect a gravity direction on the basis of the detected accelerations in the three directions, a gravity direction acceleration calculating portion to calculate an acceleration in the detected gravity direction on the basis of the detected accelerations in the three directions, and a step counting portion to count the number of steps on the basis of the calculated gravity direction acceleration.11-22-2012
20090280750Method And System For Power Management In A Beamforming System - Aspects of a method and system for on-demand signal notching in a receiver. In this regard, power consumption in a wireless device may be managed by configuring one or more transmitters and/or receivers in the wireless device based on a directivity of a received signal and/or signal strength of a received signal. At least a portion of the transmitters and/or receivers may be disabled and/or enabled based on strength of undesired in-band components of the received signal, undesired out-of-band components of the received signal, signal to noise ratio of a desired component of the received signal, a user selected power mode, and/or a direction from said wireless device to a communication partner. A splitter and/or combiner of the wireless device may be configured based on which portion of the transmitters and/or receivers are enabled. A scaling factor and/or a phase shift of the splitter and/or combiner may be configured.11-12-2009
20100248648AMPLIFIER CIRCUIT AND TRANSCEIVER - An amplifier circuit includes: a field-effect transistor including a first gate, a first source and a first drain, the first gate receiving one of differential signals, and the first source being connected to a reference potential node; a field-effect transistor including a second gate, a second source and a second drain, the second gate receiving the other of the differential signals, and the second source being connected to a reference potential node; a first transformer including a first inductor and a first secondary inductor which are magnetically coupled together, the first inductor being connected between the first drain of the first field-effect transistor and the second drain of the second field-effect transistor, and the first secondary inductor being connected between an output terminal and a reference potential node; and a first switch circuit connecting a power-supply potential node or a reference potential node to a midpoint of the first inductor.09-30-2010
20090170444Software defined radio with configurable multi-band front-end - A software defined radio (SDR) for communicating a plurality of radio signals over a wireless communications network. The radio comprising: a programmable system having a plurality of digital processors for processing digital data representing a digital form of the plurality of radio signals, the programmable system also for configuring operation of radio hardware for processing of the radio signals themselves; a configurable intermediate frequency (IF) interface for processing the plurality of radio signals for subsequent processing as the digital data communicated to the programmable system and the digital data received from the programmable system, the IF interface having a first connector for releasably connecting a modular IF filter component for use in the processing of said plurality of radio signals, the modular IF filter component being part of the radio hardware for selecting an IF center frequency and channel bandwidth of the SDR; and an RF platform coupled to the IF interface and configured for having with at least one radio portion, each radio portion for receiving and transmitting the radio signal over the communications network on behalf of the IF interface, said each radio portion having a second connector for releasably connecting a modular RF filter component for use in the processing of said plurality of radio signals, the modular RF filter component being part of the radio hardware for selecting an RF sub-band and RF center frequency of said each radio module; wherein the programmable system is adapted to configure operation of the SDR through recognition of the corresponding connected modular RF and IF filters.07-02-2009
20110171915METHOD AND APPARATUS FOR ADDING CSG IDENTITIES TO A WHITE LIST IN CONNECTED MODE - A method and apparatus are provided that allow a wireless transmit/receive unit (WTRU) to search and add one or more closed subscriber group (CSG) identities (IDs) in the WTRU white list while in connected mode. Such method and apparatus include but are not limited to WTRU autonomous search or a manual search, WTRU initiated procedures, or network initiated procedures. Additionally, methods that allow the network and/or the non-access stratum (NAS) to add CSG IDs are also described.07-14-2011
20100248647OSCILLATOR, FREQUENCY GENERATING CIRCUIT AND WIRELESS COMMUNICATION SYSTEM USING THE OSCILLATOR - The present invention provides an oscillator and a communication system using the oscillator, in particular, an LC oscillator adapted to lessen phase noise deterioration due to harmonic distortions and increase the amplitude of oscillation, thereby having a favorable low phase noise characteristic. The oscillator comprises at least one voltage to current converter consisting of a transistor and a resonator comprising two LC tanks consisting of a pair of conductive elements and inductive elements. A feedback loop is formed such that an output terminal of the voltage to current converter is connected to the resonator and a current input to the resonator is converted to a voltage which is in turn fed back to an input terminal of the voltage to current converter. Inductive elements constituting the two LC tanks constituting the resonator are mutually inductively couple and a coefficient of the mutual induction is about −0.6.09-30-2010
20100248646WIRELESS COMMUNICATION TERMINAL AND COMMUNICATION SYSTEM SELECTION METHOD - Provided are a wireless communication terminal that can select a power-efficient wireless communication system while keeping a data rate at a fixed level, and a communication system selection method. A wireless communication terminal is designed to be able to operate selectively according to a plurality of communication systems, and is configured to include: a required data rate calculation section that calculates a required data rate as a data rate needed to be satisfied in accordance with a remaining level of power and a communication history; and a communication system selection section that selects which communication system to be used through a comparison between a data rate of each of the communication systems to be determined based on a measured quality of communication service, and the calculated required data rate. This accordingly enables to select a power-efficient communication system while keeping a data rate at a standard level determined by a remaining level of power and a communication history. For example, the communication system can be used adaptively depending on the remaining level of battery, i.e., when the remaining level of battery is high, selected will be a communication system with a high data rate, and when the remaining level of battery is low, selected will be a communication system with a low data rate.09-30-2010
20110171916Auto Detecting and Auto Switching Antennas in a Mutli-Antenna FM Transmit/Receive System - Methods and systems for auto detecting and auto switching antennas in a multi-antenna FM transmit/receive system are disclosed and may include electronically detecting when an external antenna may be coupled to an external port of the wireless device and utilizing the external antenna for transmitting and/or receiving FM signals. The decoupling of an external antenna from an external port may be detected, which may cause the FM radio transmitter/receiver to be configured to transmit and/or receive FM signals utilizing antennas internal to the wireless device. One or more test signals, which may include AC signals, may be generated within the chip for detecting whether an external antenna may be coupled to an external port. A reflected signal from an external port may be measured and compared to a prestored value corresponding to a reflection due to an open circuit at the one or more external ports of the wireless device.07-14-2011
20130217341HIGH EFFICIENCY PATH BASED POWER AMPLIFIER CIRCUITRY - A first transmit path, a second transmit path, and a third transmit path are disclosed. The first transmit path includes a first radio frequency (RF) power amplifier (PA) and alpha switching circuitry, which is coupled to an output from the first RF PA. The second transmit path includes a second RF PA and beta switching circuitry, which is coupled to an output from the second RF PA. The third transmit path includes a third RF PA.08-22-2013
20090280751Method And System For On-Demand Beamforming - Aspects of a method and system for on-demand beamforming are provided. In this regard, a directivity of a plurality of antennas coupled to a wireless device may be controlled in response to signal strength measurements of one or more signals received via the antennas. The directivity may be controlled by enabling and/or disabling at least a portion on one or more transmitters and/or receivers in said wireless device based on, for example, strength of undesired in-band signal components, strength of out-of-band components, a signal to noise ratio, and/or a direction from said wireless device to a communication partner. Additionally, a scaling factor and/or a phase shift of a splitter and/or combiner in said wireless device may be configured in response to the signal measurements.11-12-2009
20090286488METHOD AND SYSTEM FOR MITIGATING CO-CHANNEL INTERFERENCE - A method of communicating data between a first transceiver and any of a plurality of second transceivers, wherein areas serviced by each of the plurality of second transceivers either overlap or are adjacent. The method comprises operating the first transceiver and the plurality of second transceivers in an overlapping frequency range. Each of the plurality of second transceivers operates in a time period different from a time period of another of the plurality of second transceivers.11-19-2009
20120289168COMPACT MODULAR UPGRADE FOR GMR SOFTWARE DEFINED TACTICAL RADIO - A software-defined tactical radio solution meets the original JTRS SWaP goals by providing four complete software-defined 125W (peak) radio channels in four modules that replace the four UT modules of the current GMR design, while retaining the GVA and NIU of the GMR. Two dual transceiver modules each include two transceivers based on OMAP processors. Two dual-channel power amplifier modules each include two 125W (peak) amplifiers, each amplifier combining two GaN transistors combined in parallel. In embodiments, the OMAP processors include TM320C64xx DSP cores. In some embodiments, the OMAP processors are DM3730 processors. In various embodiments, each dual transceiver module includes a five Watt power amplifier. In embodiments, SINCGAR, SRW, and/or WNW waveforms are supported by software configuration. In some embodiments transceivers can be transitioned by software between waveforms.11-15-2012
20100248645Communication Apparatus - A communication apparatus includes: a communication unit COM that performs operation control of a function involving transmission or reception of an electromagnetic wave by an antenna; a touch sensor module TSM having an oscillation circuit and an electrode connected to the oscillation circuit; a power supply PS that supplies power to the oscillation circuit; and a power supply controller PSCON that controls supply of power by the power supply PS. The touch sensor module TSM detects a contact operation based on an oscillation state of the oscillation circuit which varies in accordance with a contact operation. As a result, a state where the power supply PS is supplying power to the oscillation circuit under the control of the power supply controller PSCON and a state where the communication unit COM is performing operation control of the function involving transmission or reception of an electromagnetic wave do not exist concurrently.09-30-2010
20120295550Systems, Methods and Computer Program Products for Providing Compliant Delivery of Content, Applications and/or Solutions - Systems, methods and computer program products for providing device independent compliant applications include accumulating device, user and/or peripheral interface data corresponding to a mobile terminal of a user and associating the device, user and/or peripheral interface data with a unique identifier and storing the device, user and/or peripheral interface data and the unique identifier in a database. Before storing the device, user and/or peripheral interface data, the device, user and/or peripheral interface data is de-identified from the user.11-22-2012
20100136922CONFIGURABLE RF SECTIONS FOR RECEIVER AND TRANSMITTER AND METHODS FOR USE THEREWITH - A transceiver includes an RF receiver section having a plurality of RF receiver stages configured in parallel, and a configurable RF transmitter section. The plurality of RF receiver stages are selectively enabled in response to a control signal. The configurable RF transmitter section is configured to operate in one of: a mixed signal mode of operation and a phase modulation mode of operation, in response to the control signal.06-03-2010
20080242236ENCODING AND DECODING SYSTEMS WITH HEADER AND DATA TRANSMISSION SUCCESS INDICATION - A transceiver includes a receiver that receives and demodulates a first encoded block of data. The first encoded block of data includes a first redundancy version that corresponds to a first payload portion and a first header portion. The first encoded block of data is received from a communication device that is remote from the transceiver and that is in a cellular telecommunication network. A transmitter transmits an acknowledgement/negative acknowledgement (ACK/NACK) signal that includes a dedicated decoding status indicator for the header portion.10-02-2008
20080287071EXPANDABLE WIRELESS TRANSCEIVER - An expandable wireless transceiver is provided. The expandable wireless transceiver includes an antenna, a receiver, a transmitter and a switch connector. The antenna detects an electromagnetic signal in surrounding space and receives a signal with a first central frequency according to the detection result. The receiver receives the signal based on the detection result of the antenna. The transmitter outputs a radio-frequency signal. A third connection terminal of the switch connector provides a connective path to an expansion antenna. According to the coupling condition of the third connection terminal, the switch connector delivers the radio-frequency signal to its second connection terminal or third connection terminal. Thus, the radio-frequency signal with a second central frequency is transmitted to surrounding space through the antenna or the expansion antenna, wherein the second central frequency and the first central frequency are both in a specific band.11-20-2008
20080287070PHONE SERVICE PROCESSOR - An integrated circuit radio transceiver and method therefor includes primary transceiver operation circuitry. In addition to routine transceiver circuitry, the radio transceiver includes a service processor module operable to support redundant operations to facilitate any one of monitoring, test, device management and boot-up sequence functions of the primary transceiver operation circuitry. The service processor module generally has necessary access to hardware components and is operable to control, initialize and monitor the hardware components to assist in test and error recovery.11-20-2008
20080311861TRANSPONDER, VERFAHREN ZUM BETRIEB EINES TRANSPONDERS - A transponder and method for operating a transponder, which has a capacitor (C12-18-2008
20080311860TRANSCEIVER - The transmitter of the transceiver includes: a transmitter-side mixers of a transmitter-side modulator; a transmitter-side voltage-controlled oscillator; and a transmitter-side divider. The divider having a dividing factor of a non-integral number is supplied with an oscillating output of the oscillator. A pair of non-quadrature local signals having a phase difference of 90° plus a predetermined offset angle is produced by the divider and supplied to the mixers. The transmitter includes a phase-shift unit which converts a pair of quadrature transmit signals having a phase difference of about 90° on an analog basis into a pair of non-quadrature shifted transmit signals. Consequently, quadrature modulation is performed by the mixers. Use of a similar configuration enables the reduction in interference of an RF signal with local signals supplied to receiver-side mixers of the receiver.12-18-2008
20080214124WIRELESS BASE STATION - The present invention utilizes a wireless base station having a first radio transceiver and a second radio transceiver connected to the first radio transceiver with a communication cable, a first baseband unit connected to the first radio transceiver with a communication cable, and a second baseband unit connected to the second radio transceiver with a communication cable.09-04-2008
20100330929METHOD AND APPARATUS FOR COMPENSATING FOR TRANSCEIVER IMPAIRMENTS - A method for compensating a transceiver for impairments includes transmitting a plurality of partial bandwidth training signals using a transmitter. A plurality of response signals of a receiver having a bandwidth and exhibiting receiver impairments is captured. Each response signal is associated with one of the partial bandwidth training signals. Each of the partial bandwidth training signals is associated with a portion of the receiver bandwidth. A plurality of partial compensation filters is generated based on the plurality of response signals. Each partial compensation filter is associated with one of the response signals. The partial compensation filters are combined to configure a receiver compensation filter operable to compensate for the receiver impairments.12-30-2010
20110009074SYSTEMS AND METHODS FOR COEXISTENCE BETWEEN PLURALITY OF WIRELESS COMMUNICATIONS MODULES SHARING SINGLE ANTENNA - A system for the coexistence between a plurality of wireless communications modules sharing single antenna is provided. A wireless communications chipset includes a first wireless communications module configured to transmit or receive first wireless communications signals, and a second wireless communications module configured to transmit or receive second wireless communications signals. A path selection circuit is configured to connect the first wireless communications module to the antenna via a first transceiving path or a second transceiving path for transmitting and receiving the first wireless signals according to transceiving statuses of the first wireless signals and the second wireless signals.01-13-2011
20130217339PRECISION POWER/PEAK DETECTOR USING ON-CHIP REFERENCE POWER SOURCE - A wireless device is described. The wireless device includes a high precision power/peak detector. The wireless device also includes a reference signal source. The high precision power/peak detector and the reference signal source are on an integrated circuit. The reference signal source provides a precision reference signal used to calibrate the high precision power/peak detector.08-22-2013
20120295551MODULAR RADIO COMMUNICATIONS SYSTEMS ARCHITECTURE - An adapter for a communications module includes first terminals for connection with a host interface of a given platform, and second terminals for connection with the communications module. The host interface provides signals associated with the platform and power at corresponding first terminals. The communication module provides associated signals and connections for supplying voltages to the module circuits, at corresponding second terminals. A power converter connected to the first terminals is arranged to output fixed voltages one or more of which is required for the communications module. A power management stage connected to the output of the power converter is arranged to apply the voltages to the second terminals so that the voltages are properly supplied to the module circuits. A buffer stage connected to the first and the second terminals is arranged to buffer or condition shared signals among the host interface and the communications module.11-22-2012
20100144285EXTENDED ANTENNA MODULE AND APPLICATIONS THEREOF - An extended antenna module includes an antenna section and an extended wireless interface. The antenna section is operable to receive an inbound radio frequency (RF) signal when an antenna select signal is in a first state and/or transmit an outbound RF signal when the antenna select signal is in the first state. The extended wireless interface is operable to wirelessly receive the outbound RF signal from a unit wireless interface when the antenna select signal is in the first state and wirelessly transmit the inbound RF signal to the unit wireless interface when the antenna select signal is in the first state.06-10-2010
20090023393METHOD AND SYSTEM FOR A WIRELESS MOBILE COMMUNICATION DEVICE TO EXECUTE A FUNCTION OR RECEIVE A SERVICE IN ONE OR MORE REMOTE TRANSMIT/RECEIVE DEVICES BASED ON USER PREFERENCE DATA - A system and method is provided for a wireless mobile communication device (WMCD) to communicate a signal that may include user preference data to execute a function and/or receive a service in one or more identified remote transmitting/receiving (TX/RX) devices. The signal may be encrypted, and may be used to poll the availability and identity of the one or more remote TX/RX devices. The user preference data may be formatted in a standardized universal language with commands understandable by most remote TX/RX devices for rendering functions or services. If the one or more remote TX/RX devices receive competing and/or conflicting user preference data from a plurality of WMCDs, each of the remote TX/RX devices may arbitrate which function or service to perform according to privileges of each of the user preference data of the respective WMCDs or based on an arbitration decision in the one or more remote TX/RX devices.01-22-2009
20100136924ANTENNA DEVICE AND WIRELESS COMMUNICATION SYSTEM - An antenna device includes a ground plane, an antenna element, and a metal wall. The antenna element is having a distance of (m×λ/2-λ/4) away from the ground plane, where “m” is an integer which is equal or larger than “1” and “λ” is a wave length of operating frequency. The metal wall is surrounding the antenna element. One end of the metal wall is attached to along the ground plane. The other end of the metal wall is forming an aperture with a height from the ground plane. The height of the metal wall is (n×λ/2), where “n” is an integer which is equal or larger than “m”.06-03-2010
20100136923APPARATUS WITH RFID TRANSCEIVER AND WIRELESS COMMUNICATION MODULE - An apparatus includes an RFID transceiver, a processing module, and a wireless communication module. The RFID transceiver receives an RFID signal from a device and obtains communication information from the RFID signal. The processing module is operable to: determine a wireless communication protocol and device identification information from the communication information; receive an outbound data request; and generate outbound data in accordance with the outbound data request, wherein the outbound data includes at least a portion of the identification information. The wireless communication module converts outbound data into an outbound wireless signal in accordance with the wireless communication protocol.06-03-2010
20090181623LOGICALLY DISTINCT WIRELESS DATA COMMUNICATION NETWORKS SHARING GATEWAY FOR COMMUNICATING WITH EXTERNAL NETWORKS - An arrangement of logically distinct wireless data communication networks share a gateway for communicating with external networks. Each logically distinct network preferably is a class-based network, the nodes of which include a wireless two-way radio frequency data communication device. Each device filter wireless communications received by it for an identification within the communication of its class designation, or for a class, abstract class, or subclass corresponding to its class designation; and process the communication if found and do not process the communication if not found. The gateway wirelessly communicates with each logically distinct network by including the respective class designation for the network with which the communications are desired. The other class based networks do not process messages that are communicated to the desired class-based network, thereby avoiding unnecessary power consumption by the wireless devices.07-16-2009
20110014878WIRELESS ANTENNA ARRAY SYSTEM ARCHITECTURE AND METHODS TO ACHIEVE 3D BEAM COVERAGE - Embodiments of wireless antenna array systems to achieve three-dimensional beam coverage are described herein. Other embodiments may be described and claimed.01-20-2011
20110207417TRANSMITTER WITH A RELATIVE-TIME TIMER - A transmitter (08-25-2011
20090298441WIRELESS TRANSCEIVER CHIP AND CALIBRATION METHOD THEREOF - A wireless transceiver chip and calibration method thereof are disclosed. The wireless transceiver chip comprises at least one receiver, at least one transmitter, and at least one switch. The switch is connected to the receiver and the transmitter respectively for being applied to switch between the receiver and the transmitter. Practically, the switch is provided within the wireless transceiver chip, such that the pin count of the wireless transceiver chip can be reduced.12-03-2009
20100003929WIRELESS AUDIO TRANSCEIVER SYSTEM AND METHOD USING UWB WIRELESS COMMUNICATION - There is provided a transceiving method of an audio signal using an UWB wireless communication scheme, including the steps of: extracting and analyzing the beacon frames to generate reserved transmission interval information previously reserved by the other UWB transmitters and/or adjacent wireless audio transmitters and information on audio source and channel; calculating an available transmission interval for each channel of audio sources by using the information on the audio source and channel of the other UWB transmitters; generating and transmitting a beacon frame based on the reserved transmission interval and the audio source and channel information; transmitting the audio signal at the reserved transmission interval by audio source and channel units; extracting and analyzing the beacon frame to generate audio source and channel information and reserved transmission interval information; and providing the audio source and channel information to the user.01-07-2010
20090258605Transmitter and Transceiver, in particular for Mobile Radio, and Transmission Method - A receiver, in particular for mobile radio, includes a receiver branch with a mixer, downstream of an analog/digital converter. A reference generator generates a reference clock, which is fed to the converters or PLL synthesizers of the mixer by integral multiplication or division. As a result, a particularly energy-saving and space-saving circuit configuration is realized, which has a low level of mutual interference between the signals and is suitable (in particular for Universal Mobile Telecommunication System, UMTS). In a preferred embodiment, the receiver is developed into a transceiver by providing a transmission path.10-15-2009
20130217340WIRELESS COMMUNICATION DEVICE, METHOD OF WIRELESS COMMUNICATION AND COMPUTER PROGRAM PRODUCT FOR THE SAME - A wireless communication device that performs, during wireless communication using a first channel, multiple cycles of a detection operation to detect a predetermined radio wave in a second channel different from the first channel; and sets the second channel as an available channel when a total time of the multiple cycles of the detection operation amounts to at least a first predetermined time and when the predetermined radio wave is not detected during execution of the detection operation.08-22-2013
20110143688CALIBRATION APPARATUS AND METHOD OF CALIBRATING A COMMUNICATIONS TERMINAL - A calibration apparatus for calibrating a communications terminal comprises a data store arranged to store amplifier unspecific power control data, and a processing resource arranged to receive a first indication of a first desired output power level and a second indication of a second desired output power level. The processing resource retrieves from the data store a first amplifier unspecific value associated with the first desired output power level and a second amplifier unspecific value associated with the second desired output power level. An amplifier is operably coupled to the processing resource and arranged to generate a first output signal and a second output signal corresponding to the first and second retrieved values. The processing resource is arranged to receive a first measured value and a second measured value. Also, the processing resource is arranged to support an interpolator for performing an interpolation using the first and second measured values.06-16-2011
20090203327RF POLAR TRANSMITTER AND INTEGRATED CIRCUIT WITH PROGRAMMABLE BASEBAND FILTERING AND METHODS FOR USE THEREWITH - A radio frequency (RF) transmitter includes a transmitter processing module that generates a processed signal and a modulating signal based on outbound data. A programmable delay module generates a first plurality of delayed signals from the processed signal, wherein a delayed signal of the first plurality of delayed signals is scaled based on one of a first plurality of coefficients, wherein the first plurality of coefficients are selected based on a control signal. An up-conversion module up-converts the processed signal and the first plurality of delayed signals to generate a plurality of up-converted signals. A combining module combines the plurality of up-converted signals to generate a shaped-spectrum signal. A polar amplifier amplifies and amplitude modulates the shaped-spectrum signal based on the modulating signal to generate a transmit signal. A processing module generates the control signal to control a spectrum parameter of the transmit signal.08-13-2009
20110230145Power Control Scheme For A Power Amplifier - In one embodiment, a method includes detecting a power level of a power amplifier coupled to a transceiver during a current burst of a radio communication and providing the detected power level from the power amplifier to the transceiver and controlling a power level of the power amplifier during a next burst based on the detected power level of the current burst.09-22-2011
20110223870Allocating Antennas for Cyclic Delay Diversity Transmission - Methods and apparatus of allocating antennas for cyclic delay diversity (CDD) transmission are disclosed. One method includes estimating a transmission channel of a transceiver having a plurality of antennas. A subset of a plurality of transceiver antennas is selected based on the estimated transmission channel. A single transceiver antenna of the subset is identified based on a channel quality of a transmission path of the single transceiver antenna. Cyclic delay diversity (CDD) signals are transmitted from the subset of the plurality of antennas, wherein a minimally delayed CDD signal is transmitted from the identified single transceiver antenna of the subset of the plurality of transceiver antennas.09-15-2011
20090104880WIRELESS COMMUNICATION APPARATUS AND COMMUNICATION CONTROL METHOD - A wireless communication apparatus and a communication control method wherein even if there occurs a change in communication control information due to a function change, an appropriate correction is implemented to improve the communication quality. A wireless communication apparatus (04-23-2009
20090054004Biasing for Stacked Circuit Configurations - A biasing scheme for compensating for a difference in biasing currents between a first circuit element (02-26-2009
20090054006System and Method for DRX Control and NACK/ACK - Methods of combining semi-persistent resource allocation and dynamic resource allocation are provided. Packets, such as VoIP packets, are transmitted on the uplink and downlink using respective semi-persistent resources. For each mobile device, awake periods and sleep periods are defined. The semi-persistent resources are aligned with the awake periods so that most of the time the mobile device can turn off its wireless access radio during the sleep periods. In addition, signalling to request, and to allocate, resources for additional packets are transmitted during the awake periods, and the resources allocated for the additional packets are within the awake windows.02-26-2009
20120142281Transmitting-Receiving Apparatus - In one embodiment, receiving a first radio frequency (RF) signal from a first node, generating a first digital data set by decoding the first received RF signal, determining whether a first address in the first digital data set is associated with at least one of a first radio network or a second radio network by comparing the first address to a first set of addresses associated with the first radio network and a second set of addresses associated with the second radio network, appending a first status to the first digital data set indicating that the first address is associated with the first or second radio network, and transmitting an interrupt signal and the first digital data set to a microcontroller for evaluation by the microcontroller in response to determining that the first address is associated with at least one of the first or second radio network.06-07-2012
20090117855TRANSCEIVER FOR USE WITH MULTIPLE ANTENNAS AND METHOD FOR USE THEREWITH - A wireless transceiver includes a plurality of antennas. A transmitter section generates a plurality of transmit signals to the plurality of antennas, wherein each of the plurality of transmit signals corresponds to one of the plurality of antennas. A receiver section includes a plurality of low noise amplifier modules generate a plurality of received signals from the plurality of antennas, wherein each of the plurality of received signals corresponds to one of the plurality of antennas and wherein each of the plurality of low noise amplifier modules includes a notch filter for blocking a corresponding one of the plurality of transmit signals. A down conversion module down converts the plurality of received signals to generate a plurality of down converted signals. A recombination module generates an inbound symbol stream from the plurality of down converted signals.05-07-2009
20110143686CONFIGURABLE MULTIPLE MODE RFIC - An integrated circuit (IC) includes a baseband processing module and a radio frequency (RF) section. The baseband processing module is coupled to convert outbound data or an outbound voice signal into at least one of amplitude modulation information, phase modulation information, and frequency modulation information. The RF section includes an oscillation module, a frequency divider, and power amplifier modules. The oscillation module produces an RF oscillation that it modulates based on the phase or frequency modulation information to produce a modulated RF signal. The frequency divider divides the frequency of the modulated RF signal to produce a frequency divided modulated RF signal. The first power amplifier module amplifies the modulated RF signal in accordance with the amplitude modulation information or a constant to produce a first frequency band outbound RF data or voice signal. The second power amplifier amplifies the frequency divided modulated RF data signal in accordance with the amplitude modulation information or a constant to produce a second frequency band outbound RF data or voice signal.06-16-2011
20120077446Self-testing transceiver architecture and related method - A self-testing transceiver comprises a receiver, and a transmitter including a power amplifier (PA) and a plurality of transmitter pre-PA stages. The plurality of transmitter pre-PA stages are configured to generate a communication signal at a receive frequency of the transceiver and the receiver is configured to process another communication signal at a transmit frequency of the transceiver, thereby enabling transceiver self-testing. A method for use by a transceiver for self-testing comprises generating a first communication signal at a transmit frequency of the transceiver by a transmitter of the transceiver, processing the first communication signal by a receiver of the transceiver, generating a second communication signal at a receive frequency of the transceiver by the transmitter, and processing the second communication signal by the receiver. The described generating and processing of the first and second communication signals resulting in self-testing by the transceiver.03-29-2012
20090215404DEVICE, SYSTEM, AND METHOD OF WIRELESS NETWORK SELECTION AND HANDOVER - Device, system, and method of wireless network selection and handover. For example, a multi-transceiver wireless device includes: at least first and second co-located wireless transceivers; one or more firmware modules to handle network selection of at least one of the first and second wireless transceivers based on one or more commands received from one or more drivers when the multi-transceiver wireless device is in full-power mode; and a manageability engine to handle network selection of at least one of the first and second wireless transceivers when the multi-transceiver wireless device is in reduced-power mode.08-27-2009
20090221242RLC Window Size Reconfiguration - A telecommunications device comprises a transceiver (09-03-2009
20090247093WIRELESS COMMUNICATION APPARATUS AND METHOD OF CONTROLLING THE SAME - A wireless communication apparatus for performing wireless communication by selectively switching among a plurality of transmission schemes having different transmission performance capabilities is provided. A detection unit detects reception quality of a signal, and a changeover unit changes over the transmission scheme in accordance with the reception quality detected. A control unit performs control for changing a threshold value, which is for changing over the transmission scheme, in accordance with a fluctuation in the reception quality.10-01-2009
20090239480APPARATUS FOR WIRELESSLY MANAGING RESOURCES - An integrated circuit includes a millimeter wave transceiver and may include memory and processing resources, each with an associated millimeter wave transceiver. Intra-IC millimeter wave communication links, between resources on a given IC, enables IC-level resource sharing and Inter-IC millimeter wave communication links, between resources on different ICs, enables cross-IC-level resource sharing. A resource sharing method allocates IC resources to tasks based on task requirements, resource capabilities, and resource availability.09-24-2009
20100151797RADIO-FREQUENCY DEVICE COMPRISING A THIN FILM WITH HIGH PERMITTIVITY AND PERMEABILITY - A radio-frequency device comprises magneto-dielectric elements. At least one of these elements comprises a composite thin film (06-17-2010
20100151798Radio Communication Device and Signal Processing Method - A radio base station 06-17-2010
20100151796TERMINAL DEVICE AND METHOD FOR TRANSCEIVING DATA THEREOF - A terminal device and a data transceiving method are provided. The terminal device includes a sensing unit which senses a momentum of the terminal device, an interface unit which receives a momentum from at least one external device, and a control unit which performs one of a data receiving operation, a data transmitting operation, and a data transceiving operation with the at least one external device depending on a comparison value obtained from a comparison of the sensed momentum with the received momentum to allow two devices to exchange data more easily.06-17-2010
20120196545ANTENNA ARRAY AND METHOD FOR SYNTHESIZING ANTENNA PATTERNS - An antenna array having a plurality of antenna elements is disclosed. The antenna array comprises: a plurality of transceiver modules; an active antenna element subset of the plurality of antenna elements, wherein the active antenna element subset comprises at least one active antenna element being actively coupled to an associated transceiver module of the plurality of transceiver modules; and at least one passively combined sub-array of at least two antenna elements of the plurality of antenna elements. A method for generating antenna patterns with the antenna array is also disclosed.08-02-2012
20100261434PHASE NOISE CORRECTION CIRCUIT, TRANSMISSION DEVICE,RECEPTION DEVICE, RADIO DEVICE, RADIO COMMUNICATION SYSTEM, AND PHASE NOISE CORRECTION METHOD - An object of the present invention is to sufficiently exhibit carrier reproduction performance in a radio device having a transmitter and a receiver and performing radio communication. A phase noise correction circuit provided in the transmitter in the radio device includes: a phase error information acquisition unit that acquires phase error information detected by a receiver of the radio device; and a phase noise correction unit that performs correction of phase noise generated by a local oscillator shared between the receiver and transmitter for a baseband signal upon radio transmission by using the phase error information acquired by the phase error information acquisition unit.10-14-2010
20100184386APPARATUS AND METHOD FOR CONTROLLING A SIGNAL - The disclosed embodiments relate to an apparatus and method for controlling transmission of a transmitted signal in a communications device. The apparatus includes a first antenna for receiving a first signal using a first polarization, a second antenna for receiving the first signal and a second signal and transmitting the second signal in a second polarization, and a controller coupled to the first antenna and the second antenna for adjusting the transmitting by the second antenna in response to the first signal received by the first antenna and the second antenna. The method includes the steps of receiving a first signal using a first polarization, receiving the first signal using a second polarization, transmitting a second signal using the second polarization, and controlling the transmitting step in response to the step of receiving using the first polarization and the step of receiving using the second polarization.07-22-2010
20100184385Data Communication System and Data Communication Method - A data communication system and a data communication method are provided. The data communication system comprises a bidirectional cable, an antenna, a receiving and a function circuit block. The bidirectional cable transfers data through a high and a low frequency band. The antenna is to receive and transfer the analog data signal through the high frequency band of the bidirectional cable. The receiving circuit block comprises a receiving module to receive the analog data signal from the high frequency band and converts the analog data signal into a digital data to a host and a first control signal processing module to couple a control signal to the low frequency band. The function circuit block comprises a second control signal processing module to decouple the control signal from the low frequency band and a function module to perform an adjustment on the data communication system according to the control signal.07-22-2010
20100167664Apparatus and Method for Providing Antenna Beamforming - The present invention provides a device and a method in a device having a plurality of antennas for providing beamforming. The method includes reading one or more sensors, which are adapted to detect at least one of user interaction with the device or device proximity to other objects, and present device geometry. A phase adjustment is then computed in a controller for forming a radiated beam, based upon the readings of the one or more sensors, that enhances the received energy at an intended destination. The computed phase adjustment is then applied to one or more phase adjustment circuits, respectively coupled to at least some of the plurality of antennas. A signal is then transmitted by a transmitter to the intended destination via at least some of the plurality of antennas.07-01-2010
20130122825SYSTEMS AND METHODS FOR TESTING RADIO-BASED DEVICES - Embodiments are disclosed of a switchplexer for performing test operations on a radio device. The switchplexer comprises a plurality of test ports corresponding to a plurality of radio device ports and a plurality of switches for routing test signals between the individual test ports. Processing logic is disclosed for controlling actuation of the switches to route test signals between individual test ports. The switchplexer disclosed herein may be incorporated into a mobile test device for self-test operations or may be used in a manufacturing or maintenance facility for testing and calibration operations.05-16-2013
20100184387WIRELESS APPARATUS - This invention is directed to a wireless apparatus to carry out transmission and reception by either a digital communication system or an analog communication system and, in particular, provides a technical method to change over a signal system for a transmission electric wave. Concretely, when a carrier is received, a switch (PTT) is pushed in the case of response. In this case, if a default set transmission signal system is different from a reception signal system of a received audio signal, it is possible to modulate the audio signal after the transmission signal system is changed over to the same signal system as the reception signal system. Thus, a wireless apparatus is provided for making it possible to promptly change over a signal system of a transmission electric wave without doing troublesome operations.07-22-2010
20100159848SYSTEM AND METHOD FOR SATURATION DETECTION, CORRECTION AND RECOVERY IN A POLAR TRANSMITTER - A system for saturation detection, correction and recovery in a power amplifier includes a power amplifier, a closed power control loop configured to develop a power control signal (V06-24-2010
20080207136High Dynamic Range Tranceiver for Cognitive Radio - Embodiments of cognitive radio technology can recover and utilize underutilized portions of statically-allocated radio-frequency spectrum. A plurality of sensing methods can be employed. Transmission power control can be responsive to adjacent channel measurements. Digital pre-distortion techniques can enhance performance. Embodiments of a high DNR transceiver architecture can be employed.08-28-2008
20110059703USER EQUIPMENT-INITIATED PRECODING SUBSET RESTRICTION FOR COMMUNICATION SYSTEMS - A communication system includes user equipment 03-10-2011
20120196546METHOD AND SYSTEM FOR ADJUSTING TRANSMISSION POWER - A system and method for measuring transmission power distortion in a wireless communication device are disclosed. In one embodiment, the method comprises reading an operating temperature of the wireless communication device and enabling a loopback path between a transmission circuit and a receiver circuit of the wireless communication device. Using the loopback path, the wireless communication device can calibrate the transmission power output by storing data for compensating the distortion of the transmission power. The data can be stored in a calibration look up table for use by the wireless communication device.08-02-2012
20100159847INFORMATION PROCESSING APPARATUS - According to one embodiment, an information processing apparatus includes a main body, a display unit rotatably attached to the main body via a coupling portion, first and second antennas provided in the display unit, a first mixing/distributing device provided in the display unit, first and second wireless communication modules provided in the main body, and a second mixing/distributing device provided in the main body. The signal transmission/reception between the first mixing/distributing device in the display unit and the second mixing/distributing device in the main body is executed via a cable which is inserted in the coupling portion.06-24-2010
20100216410RADIO TRANSCEIVER MODULE - A radio transceiver module includes an interposer, a first wire routing layer, a second wire routing layer, a passive component and a wireless network chip. The interposer is provided with a first surface and an opposite second surface, and includes a plurality of through-holes. The first wire routing layer is configured on the first surface of the interposer, the second wire routing layer is configured on the second surface of the interposer, the passive component and the wireless network chip are configured on a surface of the first wire routing layer; whereas, the wireless network chip, the interposer and the passive component are electrically connected with one another.08-26-2010
20100227569CONTROL CHANNEL SIGNALING AND ACQUISITION FOR CARRIER AGGREGATION - A method and apparatus for handling a control channel for carrier aggregation in wireless communications. The method includes determining which component carrier to listen to, detecting the downlink control channel, processing mapping information related to downlink and uplink transmissions and operating discontinuous reception with respect to carrier aggregation. The method also includes detecting a component carrier, determining the component carrier type and locating the anchor component carrier, if necessary, where the anchor component carrier carries the carrier aggregation information.09-09-2010
20100240321WIRELESS TRANSCEIVER - A wireless transceiver includes an antenna, a filter, a radio frequency (RF) signal processing circuit, a shared amplifying circuit, a first switch circuit, a second switch circuit, a sending power amplifier, and a single-pole double-throw (SPDT) switch. The filter is connected between the antenna and the SPDT switch. The RF signal processing circuit outputs a first control signal when the antenna is utilized to send RF signals, and outputs a second control signal when the antenna is utilized to receive RF signals. The first switch circuit is connected between the shared amplifying circuit and the sending power amplifier, and switches on according to the first control signal. The second switch circuit is connected between the shared amplifying circuit and the SPDT switch, and switches on according to the second control signal. The SPDT switch selectively connects the filter to the sending power amplifier or the second switch circuit.09-23-2010
20100240322WIRELESS COMMUNICATION APPARATUS, ITS CONTROL METHOD, AND RECORDING MEDIUM - An apparatus detects a communication state of a wireless communication, detects posture of the apparatus, and controls communication by a wireless communication unit according to the detected posture if it is detected that field intensity of the wireless communication is equal to or less than a predetermined value.09-23-2010
20100144286WIRELESS TRANSMITTER CALIBRATION USING DEVICE RECEIVER - Portable electronic devices are provided that contain radio-frequency transceiver circuitry. Power amplifier circuitry may amplify transmitted radio-frequency signals from the radio-frequency transceiver circuitry. The power amplifier circuitry may be powered with a power supply voltage. The power supply voltage may be reduced to conserve power provided that requirements such as adjacent channel leakage ratio requirements are satisfied. Calibration measurements may be made to determine the extent to which power can be conserved by power supply voltage reductions. During calibration, the transceiver circuitry may transmit signals in a transmit subband. Test equipment that is external to the device may frequency shift the transmitted signals into a receive subband. The frequency-shifted signals may be fed back into the device. The transceiver circuitry in the device may make power measurements on the fed back signals. The power measurements may be used to compute adjacent channel leakage ratio values.06-10-2010
20090042515TRANSPONDER CIRCUIT - The invention relates to a transponder circuit comprising a high-quality resonator and a demodulator. After being demodulated, the AM-modulated signal emitted by an emitting and receiving appliance has a frequency corresponding to the resonance frequency of the high-quality resonator, for exciting the high-quality resonator. Said transponder circuit also comprises a rectifier, an energy accumulator and a semiconductor circuit which are connected downstream of the resonator. The input impedance of the high-quality resonator is adapted to the loaded impedance of the semiconductor circuit in such a way that a supply voltage for the semiconductor circuit is obtained in the energy accumulator by means of the impedance transformation. Data and/or measuring values can be retrieved and/or updated in a non-contact manner by radio by means of the transponder circuit. The inventive transponder circuit can be applied to ID generators, sensor systems which are self-sufficient in energy or memories for data, for example for measuring systems.02-12-2009
20100210222Analog received signal strength indication in an RF transceiver - An integrated circuit radio transceiver and method therefor comprises a receiver front end that further includes a plurality of in-phase and quadrature phase receive processing block operable at first and second frequency bands wherein each of the receive processing blocks defines an ingoing signal path and further includes a plurality of filtering and amplification blocks disposed within the corresponding ingoing signal path, a plurality of RSSI blocks coupled to receive an ingoing analog signal from a corresponding plurality of nodes disposed throughout the ingoing signal path, each of the plurality of received signal strength indicator blocks producing a signal strength indication, and wherein a baseband processor is operable to receive a selected signal strength indication and to produce at least one gain setting to at least one amplification block within the in-phase or quadrature phase receive processing blocks. In operation, the baseband processor receive a signal strength indication from each RSSI block to determine a total amount of gain and appropriate gain distribution within the receive signal path.08-19-2010
20090075601LOW-IF TRANSCEIVER ARCHITECTURE - A transceiver, receiver, and transmitter are provided. The transmitter includes an in-phase path and a quadrature path, a first path associated with a first local frequency and a second path associated with a second local frequency, and a band selector for swapping the in-phase and quadrature paths to switch connection between the in-phase and quadrature paths and the first and second paths. The receiver includes an in-phase path and a quadrature path, a polyphase filter having first and second inputs and first and second outputs, and a selector for swapping the in-phase and quadrature paths to switch connection between the in-phase and quadrature paths and the first and second inputs. The transceiver may include a receiver and a transmitter, each of the receiver and the transmitter including in-phase signal and quadrature signal paths and first and second paths for processing signals on the in-phase signal and quadrature signal paths. In the transceiver, each of he receiver and the transmitter may include a band selector for selecting a band by swapping in-phase signal and quadrature signal paths. The transceiver may include a receiver, a transmitter, and a programmable matching block for impedance-matching between an antenna and the receiver input and between the antenna and the transmitter output. The receiver may include an in-phase path and a quadrature path, and a module provided for the in-phase path and the quadrature path for enhancing image rejection. The module includes a polyphase filter having first and second inputs and first and second outputs, and an adder for adding the first and second outputs.03-19-2009
20120142282Method of Controlling a Plurality of Internal Antennas in a Mobile Communication Device - In one embodiment, a mobile communication device comprises a first antenna; a second antenna; and a controller, based on a detected obstruction, for selecting one of said first antenna or said second antenna.06-07-2012
20110111705System and Method of Silicon Switched Power Delivery Using a Package - In one particular embodiment, an integrated circuit includes a package and a substrate electrically and physically coupled to the package. The package includes a first package-substrate connection, a second package-substrate connection, and metallization coupling the first package-substrate connection to the second package-substrate connection. The substrate is coupled to the package via the first package-substrate connection and the second package-substrate connection. The substrate includes a plurality of power domains and a power control unit. The second package-substrate connection of the package is coupled to a particular power domain of the plurality of power domains. The power control unit includes logic and a switch, where the switch includes a first terminal coupled to a voltage supply terminal, a control terminal coupled to the logic, and a second terminal coupled to the first package-substrate connection of the package. The logic selectively activates the switch to distribute power to the particular power domain via the metallization of the package.05-12-2011
20100222009WIRELESS COMMUNICATION CONTROL DEVICE - A wireless communication control device which can stably communicate with another device without interruption by continuously and optimally adjusting a transmission reception direction of a wireless transmission reception unit so as to track the another device even when mobile terminals move while changing relative position between them. A device body (09-02-2010
20100297953WIRELESS TRANSCEIVER WITH CONFIGURATION CONTROL AND METHODS FOR USE THEREWITH - A wireless transceiver includes at least one RF transceiver section that generates an outbound RF signal based on outbound data and that generates inbound data based on an inbound RF signal. A configuration controller configures the wireless transceiver, by configuring the wireless transceiver to identify a plurality of communication paths to a remote station, the plurality of communication paths including at least one indirect communication path through at least one intermediate station; configuring the wireless transceiver to communicate with the remote station based on a first path of the plurality of communication paths; and configuring the wireless transceiver to communicate with the remote station based on a second path of the plurality of communication paths.11-25-2010
20130130630RADIO-FREQUENCY SWITCHES HAVING SILICON-ON-INSULATOR FIELD-EFFECT TRANSISTORS WITH REDUCED LINEAR REGION RESISTANCE - Disclosed are devices and methods related to radio-frequency (RF) switches having silicon-on-insulator (SOI) field-effect transistors (FETs). In some embodiments, an RF switch can include an FET with shaped source, drain, and gate selected to yield a reduced per-area value of resistance in linear operating region (Rds-on). In some implementations, a plurality of such FETs can be connected in series to allow use of SOI technology in high power RF switching applications while maintaining a relatively small die size.05-23-2013
20100297952ANTENNA WITH RESONATOR GRID AND METHODS FOR USE THEREWITH - An antenna includes a planar antenna section. A resonator grid includes a plurality of resonators in a planar array to electromagnetically enhance the performance of the plan antenna section.11-25-2010
20100297954METHOD AND SYSTEM FOR CHIP-TO-CHIP MESH NETWORKS - A wireless device comprising a plurality of chips may be operable to communicate wireless signals via a mesh network comprising a plurality of integrated directional antennas on the plurality of chips. Wireless signals may be communicated between the plurality of the chips and/or with devices external to the wireless device via the mesh network. Beam-formed wireless signals may be communicated via the plurality of integrated directional antennas. The plurality of chips may be integrated on a single package or on a plurality of packages, which may comprise one or more circuit boards. Wireless signals may be communicated with devices external to the single package via the mesh network. The directional antennas may comprise patch antennas and/or dipole antennas.11-25-2010
20130012140WIRELESS COMMUNICATION TRANSCEIVER WITH RECONFIGURABLE POLY SPIRAL ANTENNA - A wireless communication transceiver includes a processing module, a receiver section, a transmitter section, and an antenna assembly. The processing module is operable to determine an operational mode based on type of antenna assembly and to generate one or more control signals in accordance with the operational mode. The receiver section is operable to convert one or more inbound wireless signals into one or more inbound symbol streams in accordance with the one or more control signals. The transmitter section is operable to convert one or more outbound symbol streams into one or more outbound wireless signals in accordance with the one or more control signals. The antenna assembly is operable, in accordance with the one or more control signals, to receive the one or more inbound wireless signals and to transmit the one or more outbound wireless signals.01-10-2013
20100311351TRANSMITTING DEVICE AND METHOD FOR DETERMINING TARGET PREDISTORTION SETTING VALUE - The present invention provides a transmitting device and a method for determining a target predistortion setting value. The transmitting device comprises: a setting value control unit, a predistortion unit, a transmitting circuit, a receiving circuit, and a determining unit. The present invention can predistort signals before a power amplifier in a transmitting device by a method of determining a target predistortion setting value (i.e. an optimal predistortion setting value) from a plurality of candidate predistortion setting values. In this way, signals outputted by the power amplifier in the transmitting device can be adjusted to an optimal state, so as to solve the distortion problem of the outputted signals of the power amplifier.12-09-2010
20090068962RADIO FREQUENCY MODULE - A description is given of a radio frequency module comprising an interface unit configured to receive macros having a first format from an input of the radio frequency module, a microprocessor coupled to the interface unit and operable to concert the macros having the first format to macros having a second format, a first memory coupled to the microprocessor and operable to store macros having the second format provided by the microprocessor and a first finite state machine implemented in hardware and configured to process macros having the second format accessed from the first memory.03-12-2009
20110009075DATA TRANSFER WITH WIRELESSLY POWERED COMMUNICATION DEVICES - In a system comprising one or more reader devices and a plurality of wirelessly powered communication devices, the reader device has a transceiver to transmit a wireless signals to scan proximate wirelessly powered communication devices. The reader device also establishes communications with a proximate wirelessly powered communication device, forms a session with the proximate wirelessly powered communication devices, communicates in the session with the wirelessly powered communication device, and maintains a state of the session.01-13-2011
20110039501Antenna Structures - Antenna structure having a ground electrode formed outside a footprint of a conductive patch, wherein the conductive patch is a radiating element of the antenna structure. The antenna structure in one embodiment is a composite left and right handed (CRLH) based structure. Antennas and antenna arrays based on enhanced CRLH metamaterial structures are configured to provide broadband resonances for various multi-band wireless communications.02-17-2011
20110117860Reducing Common Mode Effects In An Output Stage - In one embodiment, a power amplifier may include an output stage with multiple transformers and corresponding matching capacitances. The capacitances may include a first matching capacitance coupled in parallel with a secondary coil of a first transformer and a second matching capacitance coupled in parallel with a secondary coil of a second transformer, where the secondary coils are coupled in series in an output stack configuration. By accounting for parasitics present in the power amplifier, the first matching capacitance can be designed to have a greater capacitance than the second matching capacitor, even where the first and second transformers are configured to output substantially equal power levels.05-19-2011
20100151799TRANSCEIVER USING MILLIMETER-WAVE - Provided is a transceiver using a millimeter-wave (MM-wave). The transceiver determines output power of a transmitting signal according to a receiving signal of a receiving end in the same device so that a possible loss value occurring in the air may be predicted. By doing so, performance of a whole link budget may be enhanced, and the transmitting signal may be rapidly controlled.06-17-2010
20100015928WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND COMPUTER PROGRAM - A wireless communication apparatus includes a plurality of antenna branches through which radio signals are transmitted and received; a calibration factor acquiring unit that acquires a calibration factor for compensating an unbalance of phase and amplitude between the antenna branches for every predetermined frequency band; a factor memory storing the calibration factor acquired for every predetermined frequency band; a reliability determining unit that determines a reliability of the calibration factor acquired by the calibration factor acquiring unit; and a calibration factor multiplying unit that reads out the calibration factor from the factor memory to multiply a transmission signal or a reception signal to be calibrated by the readout calibration factor.01-21-2010
20110086594Providing A Temperature Dependent Bias For A Device - In one embodiment, a method includes generating a first current in a bias current circuit and biasing an amplifier with the first current when the amplifier is operating in a first temperature range, and generating a second current in the bias current circuit and biasing the amplifier with the second current when the amplifier is operating in a second temperature range. These two currents may correspond to different profiles with respect to temperature, to maintain substantial linearity of the amplifier over the temperature ranges.04-14-2011
20090247092Agile remote radio head - A system for providing wireless communication is provided. The system comprises a radio transceiver comprising a plurality of configurable receivers and transmitters and a programmable processor, wherein the programmable processor is operable to configure at least some of the plurality of receivers and transmitters to operate using an operational mode associated with at least one of a designated coverage area and capacity.10-01-2009
20090311969COMMUNICATION MODULES - A communication module is provided. The module includes at least one transceiver, a filter, a power amplifier, an enclosure, an internal interface and an external interface. The power amplifier is in communication with the at least one transceiver and filter. Moreover, the at least one transceiver, filter and power amplifier are tuned and calibrated to work with each other. The enclosure is configured to physically retain the at least one transceiver, filter and power amplifier. The internal interface is configured to interface connections between the at least one transceiver and the power amplifier and the external interface configured to provided external connections to the module. In addition, the external interface is coupled to the internal interface.12-17-2009
20100056068MULTI-MODE TRANSMITTER HAVING ADAPTIVE OPERATING MODE CONTROL - Methods and apparatus for transmitting communications signals that are both power efficient and effective at avoiding or reducing transmitter-generated receive band noise. An exemplary transceiver apparatus includes a multi-mode transmitter that is configurable to operate in a plurality of operating modes (e.g., a polar mode, a quadrature mode and a hybrid mode), a receiver, and an operating mode controller. The operating mode controller is configured to control which operating mode the transmitter is to operate, depending on one or more of a transmit (Tx) power, receive (Rx) power, the Tx power relative to the Rx power, a level of frequency separation between a Tx frequency band and a Rx frequency band (Tx/Rx band separation), and modulation type employed by the transmitter.03-04-2010
20110151803Fringe Capacitor Circuit - Capacitive circuits are implemented with desirable quality factors in various implementations. According to an example embodiment, a fringe capacitor includes two capacitive circuits (e.g., plates), respectively having a plurality of capacitive fingers extending from an end structure, and respectively having a connecting pin that is adjacent the connecting pin of the other capacitive circuit, on a common side fringe capacitor. The capacitive fingers are arranged in stacked layers, with vias connecting the fingers in different layers back to the connecting pins.06-23-2011
20110098006TRANSMITTER CIRCUIT AND COMMUNICATION DEVICE USING THE SAME - A transmitter circuit of the present invention includes: a signal generator 04-28-2011
20100015929METHOD AND APPARATUS TO ESTABLISH COMMUNICATION WITH WIRELESS COMMUNICATION NETWORKS - Briefly, a method of transmitting over a first wireless network a message not addressed to mobile units of the first wireless network, wherein receiving said message causes transmitting stations of the first wireless station to cease transmissions for a predetermined time interval and to enable the access point to be in communication with mobile units or access points of a second wireless network.01-21-2010
20120202437POWER MANAGEMENT UNIT FOR CONFIGURABLE RECEIVER AND TRANSMITTER AND METHODS FOR USE THEREWITH - A configurable transceiver includes an RF receiver that generates a stream of inbound data from at least one received RF signal, wherein the RF receiver is configurable in response to a control signal. An RF transmitter generates at least one RF signal from a stream of outbound data, wherein the RF transmitter section is configurable in response to the control signal. A configuration controller generates the control signal based on channel data. A power management unit generates at least one receiver supply signal and at least on transmitter supply signal in accordance with a plurality of power consumption parameters, and wherein the power management unit adjusts at least one of the plurality of power consumption parameters based on the control signal.08-09-2012
20110250852Tuning Matching Circuits for Transmitter and Receiver Bands as a Function of Transmitter Metrics - A non-transitory computer-readable storage medium includes computer instructions to determine a translation function based on a transmit frequency of a transmit mode and a receive frequency of a receive mode of a transceiver for a communication device, and adjust a variable reactance component of an impedance matching circuit for the receive mode based on the translation function, where the impedance matching circuit is operably coupled with an antenna of the communication device. Other embodiments are disclosed.10-13-2011
20110212695METHOD FOR MULTI-ANTENNA SIGNAL PROCESSING AT AN ANTENNA ELEMENT ARRANGEMENT, CORRESPONDING TRANSCEIVER AND CORRESPONDING ANTENNA ELEMENT ARRANGEMENT - The present invention relates Io a method for multi-antenna signal processing at an antenna element arrangement belonging to a transceiver of a radio communication network, the antenna element arrangement comprising antenna elements (09-01-2011
20090318092MULTI-ANTENNA SYSTEM FOR DIFFERENTIAL WIRELESS COMMUNICATION DEVICES - A multi-antenna system for differential wireless communication devices, such as transceivers, transmitters or receivers, includes a wireless communication device having a differential port including first and second nodes and a common ground for an antenna connection; a first antenna connected between the first node and the common ground; and a second antenna connected between the second node and the common ground.12-24-2009
20090318093System And Method For Power Detection In A Power Amplifier Using An Adjustable Load - A power amplifier system includes a first power detector configured to detect a forward power output of a power amplifier, the first power detector configured to provide a first power detector output and an adjustable load coupled to the output of the power amplifier and configured to receive the first power detector output, the adjustable load configured to provide an adjustable impedance at the output of the power amplifier in response to one of the output of the power amplifier and the first power detector output.12-24-2009
20080280567WIRELESS TRANSMIT RECEIVE UNIT HAVING A TRANSITION STATE FOR TRANSITIONING FROM MONITORING TO DUPLEX CONNECTED STATES AND METHOD - A wireless transmit/receive unit (WTRU) and method for wireless uplink communication to and downlink communication from a wireless network are provided. The WTRU has a selectively configurable transceiver that has a network connected mode defined by a plurality of functional states including at least one monitoring state and a duplex state. The transceiver is configured to transition from a monitoring state upon occurrence of predefined WTRU events that are each associated with a respective uplink procedure initiation communication where at least one of procedures results in a network response that includes a temporary identifier. The transceiver is configurable into a transition state wherein the transceiver is configured to send only the uplink initiation communications and is otherwise configured only for downlink communications.11-13-2008
20080242235Circuit arrangement with improved decoupling - A circuit arrangement includes a component having a closed signal path, that closed signal path connected to a first port, a second port and at least a third port. The component has a directed signal flow of a signal applied to one of that ports. Such a coupling device can be connected to a transmitter and to a receiver path, respectively.10-02-2008
20080268790ANTENNA SYSTEM INCLUDING A POWER MANAGEMENT AND CONTROL SYSTEM - An antenna system may include a reconfigurable array antenna system including a plurality of elements each capable of radiating and receiving electromagnetic energy. The antenna system may also include an electronically reconfigurable power management and control system to selectively power each of the plurality of elements to generate a desired beam pattern.10-30-2008
20120202436SINGLE-PACKAGE WIRELESS COMMUNICATION DEVICE - A method, apparatus and system with an autonomic, self-healing polymer capable of slowing crack propagation within the polymer and slowing delamination at a material interface.08-09-2012
20120064838Automatic Detection of Erroneous Connections Between Antenna Ports and Radio Frequency Paths03-15-2012
20120064835HIGH-FREQUENCY SWITCHING CIRCUIT AND RADIO COMMUNICATION DEVICE - According to one embodiment of the present invention, there is provided a high-frequency switching circuit including a first differential line and third line. The differential line includes a first line configured to have one end and an other end, a second line configured to have one end and an other end and a first switch configured to switch electrical connection between the one ends of the first and second lines. The differential line receives or outputs differential signals by the other ends of the first and second lines. The third line is configured to be electromagnetically coupled with the first differential line when the first switch is turned on. The first switch is arranged at a position where an electrical length from the other end of the first line and an electrical length from the other end of the second line are approximately equal.03-15-2012
20120231749FAST ADAPTIVE POWER CONTROL FOR A VARIABLE MULTIRATE COMMUNICATIONS SYSTEM - A system and a method of controlling transmitter power in a wireless communication system in which user data is processed as a multirate signal in which the user data signal having a first rate is converted into a transmission data signal having a faster second rate for transmission. The transmission power is adjusted on a relatively slow basis based on quality of data received by a receiver of the transmitted data. The transmitter power is determined as a function of the first and second rates such that a change in the data rate in the multiple channels or the rate of the transmission data signal is compensated in advance of a quality of data based adjustment associated with such data rate change.09-13-2012
20110053522ADAPTIVE RADIO TRANSCEIVER - An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration into a single IC including components such as filters and inductors. The controller for adaptive programming and calibration of the receiver, transmitter and LO generator. The self-testing unit generates is used to determine the gain, frequency characteristics, selectivity, noise floor, and distortion behavior of the receiver, transmitter and LO generator. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.03-03-2011
20110053521DEVICE, SYSTEM AND METHOD OF TRANSFERRING A WIRELESS COMMUNICATION SESSION BETWEEN WIRELESS COMMUNICATION FREQUENCY BANDS - Some demonstrative embodiments include coordinating a session transfer timeout period between first and second multi-band wireless communication devices capable of communicating over at least first and second wireless communication frequency bands, wherein the session transfer timeout period corresponds to at least one communication session between the first and second wireless communication devices; and if the first wireless communication unit cannot communicate with the second wireless communication device over the first wireless communication frequency band for a time period of at least the session transfer timeout period, transferring the at least one communication session from the first wireless communication frequency band to the second wireless communication frequency band. Other embodiments are described and claimed.03-03-2011
20110053523Systems and Methods for Coexistence of a Plurality of Wireless Communications Modules - A wireless communications system is provided with a first wireless communications module, a second wireless communications module, and an RF module. The first wireless communications module transmits or receives a first wireless signal, and the second wireless communications module transmits or receives a second wireless signal. The RF module allocates a first transceiving path and a second transceiving path to the first wireless communications module and the second wireless communications module, respectively, to enable the transmission or reception of the first wireless signal and the second wireless signal at the same time.03-03-2011
20100120375TRANSMITTING AND RECEIVING CIRCUIT - A transmitting and receiving circuit includes a transmitting side amplifier circuit amplifying a transmission signal transmitted from an antenna, a receiving side amplifier circuit amplifying a reception signal received by the antenna and being electrically connected to the a transmitting side amplifier circuit, a first matching circuit matching the antenna and the transmitting side amplifier circuit, a second matching circuit matching the antenna and the receiving side amplifier circuit, a first current source circuit capable of controlling an operating state and setting a first connection point between the first matching circuit and an output terminal of the transmitting side amplifier circuit to a given voltage, and a second current source circuit capable of controlling an operating state and setting a second connection point between the second matching circuit and an input terminal of the receiving side amplifier circuit to a given voltage.05-13-2010
20110136442APPARATUS AND METHODS FOR IDENTIFYING A USER OF AN ENTERTAINMENT DEVICE VIA A MOBILE COMMUNICATION DEVICE - Described herein are systems, methods and apparatus for identifying a user of an entertainment device. An entertainment device includes a wireless transceiver that communicatively couples to a mobile communication device through a wireless network The wireless transceiver and the mobile communication device automatically establish a communication link over the wireless network when the mobile communication device is located proximate the entertainment device. The entertainment device further comprises control logic operable to identify a user of the mobile communication device, responsive to establishment of the communication link, based on information identifying the mobile communication device and customize output of content responsive to identifying the user.06-09-2011
20110177789LOW NOISE AMPLIFIER AND THE USES THEREOF - A low noise amplifier (07-21-2011
20120309326Switchable Antenna Elements for a Wireless Communications Device - A wireless communications device includes multiple switchable antenna elements that may be used to improve interfacing of the wireless communications device with other devices, such as for interfacing of an RFID-equipped mobile communications device with other RFID devices (e.g., to better ensure power delivery to and/or communication with such other RFID devices) and/or may be used to characterize various aspects of the environment around the wireless communications device, such as for proximity-based functionality.12-06-2012
20120309325RF MODULE CONTROL INTERFACE - Disclosed are various embodiments for an extremely high frequency transceiver employing a baseband module and a radio-frequency module. The baseband module and the radio-frequency module are connected by a coaxial cable. The coaxial cable carries a multiplexed signal that may include a direct current component, a clock reference, a control signal, and an intermediate frequency signal. The control signal encodes one or more commands for controlling the operation of the radio-frequency module. Multiple radio-frequency modules may be employed in some embodiments.12-06-2012
20090197544DEVICE FOR IMPROVED ISOLATION CHARACTERISTICS IN A TELECOMMUNICATIONS SYSTEM - The invention discloses an apparatus in a wireless telecommunications system, comprising at least a first antenna of a first polarization and a second antenna of a second polarization. The apparatus additionally comprises a receiver and a transmitter, and is intended for communication with at least one other device in the wireless telecommunications system. The apparatus is equipped with means for estimating the polarization state of a signal which is received from the one other device, and the apparatus additionally comprises means for adapting the polarization state of signals transmitted from the apparatus to the one other device on the basis of said estimate of the received signal.08-06-2009
20120178384APPARATUS AND METHODS FOR BIASING A POWER AMPLIFIER - Apparatus and methods for biasing a power amplifier are provided. In one embodiment, a packaged circuit includes a power amplifier, a bond wire electrically connected between a system voltage source and a supply input of the power amplifier, a current source, a reference resistor electrically connected between the system voltage source and the current source, and a comparator. The comparator is configured to compare a sense voltage that is based on a voltage across the bond wire to a reference voltage that is based on a voltage across the reference resistor. The comparator is configured to generate a saturation control signal for clamping a bias current of the power amplifier when the sense voltage exceeds the reference voltage.07-12-2012
20100029217TRANSCEIVER DEVICE AND POWER SAVING METHOD THEREOF - A transceiver device and a power saving method thereof are provided. The transceiver device includes an attenuation estimation module, a transmitter, and a control module. The attenuation estimation module is coupled to a transmission path for estimating an attenuation value caused when a signal passes through the transmission path. The transmitter is coupled to the transmission path, for outputting a transmission signal. The control module is coupled to the attenuation estimation module and the transmitter. When the attenuation value is smaller than a default value, the output power of the transmitter is adjusted to be lower. Thereby, the power consumption of the transceiver device is decreased.02-04-2010
20100022195IC HAVING AN RF BUS STRUCTURE - An integrated circuit (IC) includes a die and a package substrate. The die includes circuit modules and an RF bus transceiver module and the package substrate includes a micro-electromechanical (MEM) area. The RF bus transceiver module includes a baseband processing module, a transmitter section, a receiver section, a transformer, an impedance matching circuit, and a transmission line. At least one of the transformer, the impedance matching circuit, and the transmission line is within the MEM area.01-28-2010
20090023394RADIOCOMMUNICATION SYSTEM FOR AIRCRAFT - Radiocommunication system for aircraft. The radiocommunication system (S01-22-2009
20080287072Detecting a signal in the presence of noise - In one embodiment, the present invention includes a method for receiving an incoming radio frequency (RF) signal in a receiver, estimating a signal-to-noise ratio (SNR) of a constant modulus (CM) signal in the incoming RF signal based on a calculated magnitude of the incoming RF signal, and indicating presence of a modulated signal in the incoming RF signal if the estimated SNR is greater than a threshold.11-20-2008
20120302181RADIO FRONT END AND APPLICATIONS THEREOF - A radio front end includes a transformer and an adjustable load. The transformer includes a first winding and a second winding, wherein the first winding is operably coupled to an antenna and the second winding coupled to at least one of a power amplifier and a low noise amplifier. The adjustable load is operably coupled to the second winding, wherein the adjustable load provides a first impedance based on a first impedance selection signal when the radio front end is in a transmit mode and provides a second impedance based on a second impedance selection signal when the radio front end is in a receive module such that impedance at the first winding is substantially similar in the transmit mode and in the receive mode.11-29-2012
20120302180CONFIGURABLE RF SECTIONS FOR RECEIVER AND TRANSMITTER AND METHODS FOR USE THEREWITH - A transceiver includes an RF receiver section having a plurality of RF receiver stages configured in parallel, and a configurable RF transmitter section. The plurality of RF receiver stages are selectively enabled in response to a control signal. The configurable RF transmitter section is configured to operate in one of: a mixed signal mode of operation and a phase modulation mode of operation, in response to the control signal.11-29-2012
20120302179METHOD AND APPARATUS FOR PROGRAMMABLE ENVELOPE SHAPING CIRCUIT BASED ON PIECEWISE LINEAR INTERPOLATION - An analog envelope shaper within an envelope tracking power amplifier system detects an envelope voltage of a transmission signal and generates a shaped envelope amplifier control signal based upon a programmable threshold, below which the output does not fall, and a plurality of different voltages centered around a corresponding threshold input voltage, a selectable spacing of which controls the shape of the transition between negative clipping and linear regions of the envelope detector output function. The programmable features and the resulting piecewise linear shaping allow for tailoring of the envelope response to balance linearity and efficiency, without negating the efficiency benefits of envelope tracking power amplification. Since the analog envelope shaper employs no high speed data converter functions, the resulting power dissipation will be substantially less than digital designs.11-29-2012
20120302178REGROWN SHOTTKY STRUCTURES FOR GAN HEMT DEVICES - Embodiments include but are not limited to apparatuses and systems including a buffer layer, a group III-V layer over the buffer layer, a source contact and a drain contact on the group III-V layer, and a regrown Schottky layer over the group III-V layer, and between the source and drain contacts. The embodiments further include methods for making the apparatuses and systems. Other embodiments may be described and claimed.11-29-2012
20110306310MULTI-ANTENNA WIRELESS TRANSCEIVING DEVICE - The present invention is applicable to the technical field of communications and provides a multi-antenna wireless transceiving device that is suitable for mobile communication terminals. The multi-antenna wireless transceiving device comprises a baseband chip, a radio frequency transceiver, a power amplification module, and a matching network, and the multi-antenna wireless transceiving device further comprises an antenna selection switch and two or more antennas, wherein wireless transceiving performance indexes of the two or more antennas correspond to different application modules of the mobile communication terminal, respectively; the antenna selection switch is used for selecting one out of the two or more antennas and controlling the selected antenna to communicate with the matching network. The technical solution provided by the present invention leads to optimized wireless performance of the mobile communication terminal in various application modes, improves client satisfaction, and is also helpful for optimizing the mobile network and improving the network capability.12-15-2011
20090197543WIRELESS COMMUNICATIONS DEVICE, GAMING CONTROLLER AND INTEGRATED CIRCUITS WITH INFRARED TRANSCEIVER AND METHODS FOR USE THEREWITH - An integrated circuit includes an infrared transceiver section that is coupled to generate an outbound infrared signal from a first outbound symbol stream and to convert an inbound infrared signal into a first inbound symbol stream. A wireless transceiver section is coupled to generate an outbound RF signal from a second outbound symbol stream and to convert an inbound RF signal into a second inbound symbol stream. A processing module is coupled to convert first outbound data into the first outbound symbol stream, convert second outbound data into the second outbound symbol stream, convert the first inbound symbol stream into first inbound data, and to convert the second inbound symbol stream into second inbound data. The integrated circuit can be used in a game controller or other device. A transmission line of the infrared transceiver section can be used as an antenna for the wireless transceiver section.08-06-2009
20090305646AM/FM/SW RECEIVER COUPLED WITH FM TRANSMITTER FOR PERSONAL MULTIMEDIA PLAYERS FOR LISTENING AND RECORDING - An AM/FM/SW receiver coupled with an FM transmitter for personal multimedia players for both listening and recording uses innovative antenna and shielding design and placement to raise the signal-to-noise ratio of the intended broadcast content to a level which is acceptable to the listener.12-10-2009
20110086595TRANSCEIVER AND COMMUNICATION SYSTEM INCLUDING THE SAME - A transceiver includes a transmitting/receiving electrode that comes into contact with or is capacitively coupled to a human body, serving as a transmission medium, a receiving mechanism connected to the transmitting/receiving electrode, and a transmitting mechanism connected to the transmitting/receiving electrode. Upon signal transmission, the receiving mechanism is open-circuited as viewed from the transmitting/receiving electrode to allow the impedance on the transmitting mechanism side as viewed from the transmitting/receiving electrode to match that of the human body. Upon signal reception, the transmitting mechanism is open-circuited as viewed from the transmitting/receiving electrode to allow the impedance on the receiving mechanism side as viewed from the transmitting/receiving electrode to match that of the human body.04-14-2011
20120157010Electrical Power Amplifier Circuit, and Transmission Device and Communication Device Using the Same - The power amplifier circuit includes: a constant envelope signal generation circuit (06-21-2012
20110319035WIRELESS CIRCUITS WITH MINIMIZED PORT COUNTS - An electronic device has wireless communications circuitry including a triplexer. The wireless communications circuitry may be used in first and second modes. In the first mode, the device communicates in a first communications band using a transmitter in a first uplink frequency range associated with the first communications band and using a receiver in a first downlink frequency range associated with the first communications band. In the second mode, the device communicates in a second communications band using a transmitter to transmit in a second uplink frequency range associated with the second communications band and using the receiver to receive in a second downlink frequency range associated with the second communications band. Signals in the two downlink frequency ranges may pass through a common bandpass filter in the triplexer. Two additional bandpass filters in the triplexer may be used to respectively handle the two uplink frequency ranges.12-29-2011
20120252373SENSITIVITY ADJUSTMENT DEVICE AND RADIO WAVE COMMUNICATION DEVICE - A sensitivity adjustment device adjusts radio wave sensitivity of an antenna which wirelessly transmits/receives a signal to/from an external device. The sensitivity adjustment device includes: a sensitivity adjuster and an adjuster moving section. The sensitivity adjuster includes (a) a shielding part which shields a radio wave and (b) a penetration part which allows penetration of a radio wave. The adjuster moving section moves the sensitivity adjuster with respect to the antenna in such a way as (a) to change a position of the shielding part and a position of the penetration part with respect to the antenna, and (b) to adjust a covered area of the antenna covered with the sensitivity adjuster, so as to adjust the radio wave sensitivity of the antenna.10-04-2012
20120252374Passive Mixer with Reduced Second Order Intermodulation - The present disclosure generally relates to the field of receiver structures in radio communication systems and more specifically to passive mixers in the receiver structure and to a technique for converting a first signal having a first frequency into a second signal having a second frequency by using a third signal having a third frequency. A passive mixer for converting a first signal having a first frequency into a second signal having a second frequency by using a third signal having a third frequency comprises a cancellation component 10-04-2012
20120046001ANTENNA EQUIPMENT - An antenna equipment includes an array antenna including a plurality of antenna elements configured to be grouped into at least one group according to each of N communication types, where N is an integer greater than or equal to 2, a selecting part selecting one of the N communication types, a transmitting part modulating outgoing data to generate an outgoing signal for antenna element or antenna elements belonging to each group for the selected communication type, and a receiving part demodulating an incoming signal from antenna element or antenna elements belonging to each group for the selected communication type to generate incoming data.02-23-2012
20120046002ANTENNAS FOR HANDHELD ELECTRONIC DEVICES WITH CONDUCTIVE BEZELS - A handheld electronic device may be provided that contains wireless communications circuitry. The handheld electronic device may have a housing and a display. The display may be attached to the housing using a conductive bezel. The handheld electronic device may have one or more antennas for supporting wireless communications. A ground plane in the handheld electronic device may serve as ground for one or more of the antennas. The ground plane and bezel may define an opening. A rectangular slot antenna or other suitable slot antenna may be formed from or within the opening. One or more antenna resonating elements may be formed above the slot. An electrical switch that bridges the slot may be used to modify the perimeter of the slot so as to tune the communications bands of the handheld electronic device.02-23-2012
20120046000Arbitration Between Multiple Wireless Protocols in a Wireless Device - Arbitration between two wireless protocols in a wireless device. The wireless device may include first wireless protocol circuitry, configured to receive and process first signals according to a first wireless protocol and second wireless protocol circuitry, configured to receive and process second signals according to a second wireless protocol. The wireless device may also include coexistence circuitry. The coexistence circuitry may be configured to receive a request from the first wireless protocol circuitry to perform transmission or reception and arbitrate the requested transmission or reception between the first wireless protocol circuitry and the second wireless protocol circuitry. The decision may be based on current or future priority information, current configuration, or other factors. The coexistence circuitry (or other circuitry) may be configured to determine position of switches controlling antennas or transmission using shared or unshared antennas (or chains). The two wireless protocols may be WLAN and Bluetooth.02-23-2012
20120003944RADIO TRANSCEIVER FOR MOBILE COMMUNICATION TERMINAL - The present invention is applicable to the field of mobile communication technology and provides a wireless receiving and emitting device for mobile communication terminals. The wireless receiving and emitting device comprises a baseband chip, a radio frequency transceiver, a power amplification module and an antenna; the wireless receiving and emitting device further comprises a network selection switch and two or more matching networks, wherein the wireless receiving and emitting performance indexes of the two or more matching networks correspond to different working modes of the mobile communication terminal, respectively; the network selection switch is used for selecting one out of the two or more matching networks and the selected matching network is controlled to be connected with the antenna. The technical solution provided by the present invention optimizes the wireless performance of the mobile communication terminal under various application environments, improves the client satisfaction degree and is also helpful for optimizing the mobile network and improving the network capability.01-05-2012
20120003942METHOD AND SYSTEM FOR SIGNAL STRENGTH MEASUREMENT - In a radio comprising a transmitter and a receiver, transmission and reception of signals may be controlled based on received signal strength measurements from a signal strength indicator module and transmitted signal strength measurements from the signal strength indicator module. For the transmitted signal strength measurements, the shared signal strength indicator module may measure signal strength of a signal output by a power amplifier. For the received signal strength measurements, the shared signal strength indicator module may measure signal strength of a received signal. A capacitance coupled to an output of the power amplifier may be configured based on a frequency of the signal output by the power amplifier. A gain of the power amplifier may be controlled based on the transmitted signal strength measurements. For the transmitted signal strength measurements, an analog-to-digital converter may process the signal output by the power amplifier.01-05-2012
20120208473FRONT-END RF FILTERS WITH EMBEDDED IMPEDANCE TRANSFORMATION - Front-end radio frequency (RF) filters with embedded impedance transformation are disclosed. In an exemplary design, an apparatus includes an active circuit and an RF filter. The active circuit receives an input signal and provides an output signal. The RF filter is operatively coupled to an antenna and the active circuit and performs filtering for the input signal or output signal. The RF filter is impedance matched to the active circuit and includes a non-LC filter. In an exemplary design, the active circuit includes a low noise amplifier (LNA), and the RF filter includes a receive (RX) filter having an output impedance that is matched to an input impedance of the LNA. In another exemplary design, the active circuit includes a power amplifier, and the RF filter includes a transmit (TX) filter having an input impedance that is matched to an output impedance of the power amplifier.08-16-2012
20120009884Multiple Input Multiple Output Antenna Module and Associated Method - A multiple input multiple output (MIMO) antenna module, comprising a first signal feed port coupled to a first antenna element disposed along a first edge of an antenna array board, a second signal feed port coupled to a second antenna element disposed on the antenna array board and a transceiver operable to be selectively coupled to either or both of the first and second signal feed ports.01-12-2012
20120009885INTEGRATED CIRCUIT/PRINTED CIRCUIT BOARD SUBSTRATE STRUCTURE AND COMMUNICATIONS - A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric substrate formed within a board, for example, a printed circuit board. In another embodiment of the invention, the wave guide is formed within a die of an integrated circuit radio transceiver. A plurality of transceivers with different functionality is defined. Substrate transceivers are operable to transmit through the wave guides, while local transceivers are operable to produce very short range wireless transmissions through space. A third and final transceiver is a typical wireless transceiver for communication with remote (non-local to the device) transceivers.01-12-2012
20110165847MILLIMITER WAVE TRANSMISSION DEVICE, MILLIMITER WAVE TRANSMISSION METHOD, AND MILLIMITER WAVE TRANSMISSION SYSTEM - The device includes: a signal generating unit generating a millimeter wave signal by signal processing of an input signal; a coupling circuit transmitting an electromagnetic wave from the millimeter wave signal generated by the signal generating unit to one end of a circuit board; a coupling circuit receiving the electromagnetic wave from the millimeter wave signal from the other end of the circuit board; and a signal generating unit that generates an output signal by signal processing of the millimeter wave signal from the electromagnetic wave received by the coupling circuit. Preferably, the circuit board is constituted by a dielectric material whose the dielectric loss tangent is relatively large, and a transmission line functioning as a millimeter wave transmission path is constituted within this circuit board. With this construction, extremely high-speed signals can be transmitted through a circuit board having a prescribed dielectric constant representing a large loss.07-07-2011
20120064837SEQUENCE GENERATION METHOD AND SEQUENCE GENERATION DEVICE - Disclosed are a sequence report method and a sequence report device for reducing a signaling amount for reporting a Zadoff-Chu sequence or a GCL sequence allocated for a cell. Indexes starting at 1 are correlated to different ZC sequences and are allocated for cells so that the indexes are continuous. When such ZC sequences are reported from BS to UE, a start index indicating the start of the continuous indexes is combined with the number of allocated sequences and they are reported as allocation sequence information by a report channel. The UE and the BS share the correlation between the ZC sequences and the indexes and the UE identifies a usable sequence number according to the correlation and the allocation sequence information reported from the BS.03-15-2012
20120064836Amplifier Circuit for a Ranging Transceiver - An amplifier circuit is disclosed. In one embodiment, the amplifier circuit includes an input configured to receive an input signal. The amplifier circuit further includes an amplifier connected to the input that is configured to receive the input signal and generate a modulated input signal based on the input signal and one of a first amplification level and a second amplification level. The amplifier comprises a first transistor configured to receive the input signal and a second transistor connected in cascode with the first transistor. The amplifier circuit further includes a switching component configured to switch the amplifier between the first amplification level and the second amplification level. The amplifier circuit still further includes an output connected to the amplifier and configured to output the modulated input signal.03-15-2012
20120157009UNIVERSAL WIRELESS TRANSCEIVER - A wireless transceiver includes a microprocessor for processing signals and communication circuitry coupled to the microprocessor. The communication circuitry includes input/output circuitry for receiving signals from a plurality of wireless devices over a wireless communication path, for providing the signals to the microprocessor, and for transmitting processed signals from the microprocessor to the plurality of wireless devices. The input/output circuitry of the transceiver includes a non-wireless connection coupling the wireless transceiver to a test and measurement device. The test and measurement device receives the processed signals from the microprocessor, processes the received signal and data and/or information encoded therein, and performs a predetermined response thereto.06-21-2012
20110092169LR POLYPHASE FILTER - An LR polyphase filter implemented with inductors and resistors and capable of operating at high frequencies is described. In one design, the LR polyphase filter includes first and second paths, with each path including an inductor coupled to a resistor. The first and second paths receive a first input signal and provide first and second output signals, respectively, which may be in quadrature. For a differential design, the polyphase filter further includes third and fourth paths, which receive a second input signal and provide third and fourth output signals, respectively. The four output signals may be 90° out of phase. The first and second input signals are for a differential input signal. The first and third output signals are for a first differential output signal, and the second and fourth output signals are for a second differential output signal. Each inductor may be implemented with a transmission line.04-21-2011
20120077447MULTIMODE TRANSCEIVER FOR USE WITH MULTIPLE ANTENNAS AND METHOD FOR USE THEREWITH - A wireless transceiver includes a plurality of antennas. A plurality of signal recovery circuits generate a selected number of received signals from a first subset of the plurality of antennas, based on a control signal. A receiver section recovers an inbound data stream from the selected number of received signals. A transmitter module generates a transmit signal to a selected one of the plurality of antennas, based on the control signal. The intersection between the first subset of the plurality of antennas and the selected one of the plurality of antennas is the null set for each value of the control signal. The control signals can be generated in multiple different operational modes including, for instance, a cyclic modes and a fixed mode of operation.03-29-2012
20090130988Simplified Radio Frequency Receiver - An oscillator is provided that is arranged to function as a simplified receiver. The oscillator has a resonator portion and a non-linear portion, which cooperate to generate an oscillating signal. The resonator portion is positioned to receive a modulated signal. In one configuration, the oscillator operates at a frequency offset from the frequency of the carrier for the modulated signal. In this simple arrangement, the oscillator functions as an active mixer, and generates a product output signal. The output signal is extracted from a high impedance point of the oscillator's non-linear device. The output signal is a demodulated or mixed signal, and may be further processed to detect a data signal.05-21-2009
20090130990MULTIMODE TRANSCEIVER FOR USE WITH MULTIPLE ANTENNAS AND METHOD FOR USE THEREWITH - A wireless transceiver includes a plurality of antennas. A plurality of signal recovery circuits generate a selected number of received signals from a first subset of the plurality of antennas, based on a control signal. A receiver section recovers an inbound data stream from the selected number of received signals. A transmitter module generates a transmit signal to a selected one of the plurality of antennas, based on the control signal. The intersection between the first subset of the plurality of antennas and the selected one of the plurality of antennas is the null set for each value of the control signal. The control signals can be generated in multiple different operational modes including, for instance, a cyclic modes and a fixed mode of operation.05-21-2009
20090130989Qualify method for shielding of transceiver RF block - A method is provided for inputting a signal that is modulated at a predetermined frequency to a receiver signal path of a radio subsystem and demodulating the signal at the predetermined frequency as it passes through the receiver signal path, measuring signal quality of the demodulated signal, and quantitatively assessing shielding of the radio subsystem with the measured signal.05-21-2009
20110183630Wireless Bus for Intra-Chip and Inter-Chip Communication, Including Wireless-Enabled Component (WEC) Embodiments - Embodiments of the present invention are directed to a wireless-enabled component (WEC) for enabling a wireless bus for intra-chip and inter-chip communication. A WEC encompasses a functional block of an IC (such as, for example, a processing core of a processing unit), an entire IC (such as, for example, a processing unit), or a device that includes a plurality of ICs (such as, for example, a handheld device). According to embodiments, a WEC may be associated with one or more sub-blocks of an IC, a single IC, or a plurality of ICs.07-28-2011
20120164958TRANSMITTING APPARATUS AND METHOD - A communication device which can reduce amount of control information, limit interference with other traffics, and prevent an increase in current consumption. In this device, a separation unit separates radio resource allocation information, specific section information and transmission parameter information from a received signal. A specific section information control unit selects a sub-carrier designated by the specific section information to allocate data to be transmitted to the own unit. A channel quality measuring unit uses a pilot signal to measure the channel quality of the selected sub-carrier. A channel quality information creating unit creates channel quality information indicating the measurement results input from the channel quality measuring unit. A multiplexing unit multiplexes the transmission signal with the channel quality information.06-28-2012
20120220242DUAL RECEIVE FILTER - A stage is provided for a receiver of a wireless device. The stage comprises a matching network that separates amplified signals of interest received from an amplifier from amplified unwanted signals received from the amplifier in conjunction with additional downstream filters. The stage also comprises a signal path that comprises components for receiving and processing the amplified signals of interest, and a shunt path that comprises components for adjusting reflected energy sent back to the amplifier for limiting the output swing of the amplifier in a frequency band corresponding to the amplified unwanted signals.08-30-2012
20120129470WIRELESS COMMUNICATION APPARATUS - According to one embodiment, a wireless communication apparatus includes a first timer, a generation unit, a transmitter, a receiver and a control unit. The first timer is configured to periodically measure a first time interval. The generation unit is configured to generate a connection request frame. The transmitter is configured to transmit the connection request frame. The receiver is configured to receive a response signal provided in response to the connection request frame. The control unit is configured to control the transmitter and the receiver in such a manner that iterative attempts are made to carry out a transmission of the connection request frame and a wait for reception of the response signal during the first time interval measured by the first timer.05-24-2012
20120129468INTEGRATED TRANSMIT/RECEIVE SWITCH - An apparatus comprises a transmit network to transmit an input from a first amplifier to an antenna, a receive network to provide an input from an antenna to a second amplifier, a first switch to selectively decouple the transmit network from the antenna, and a second switch to selectively decouple the receive network from the antenna. Other embodiments may be described.05-24-2012
20100330930LPRF DEVICE WAKE UP USING WIRELESS TAG - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast.12-30-2010
20120214427RADIO TRANSMISSION APPARATUS AND METHOD, RADIO TRANSMISSION NETWORK, AND COMPUTER PROGRAM - A radio transmission apparatus includes a radio transmission and reception device that performs data transmission and reception via radio lines; a wire transmission and reception device that performs data transmission and reception via at least one wire line, so as to receive data via the wire line, and send the data via the radio lines. If the amount of the data received via the wire line exceeds a total transmission capacity of the radio lines, a flow control device performs flow control so as to convert the data received via the wire line to the transmission data whose amount is reduced to be transmittable through a band of the radio lines. The apparatus has a transmission data distribution device that distributes the transmission data to the radio lines based on a ratio between transmission capacities thereof.08-23-2012
20120214426RF FEEDBACK RECEIVER ARRANGEMENT, RF TRANSMIT ARRANGEMENT AND RF TRANSCEIVER ARRANGEMENT - An RF feedback receiver arrangement includes a reference signal provider configured to provide, in a normal operating phase, a first reference signal having a first reference signal frequency, and provide, in a calibration operating phase, a second reference signal having a second reference signal frequency different from the first reference signal frequency. In addition, the RF feedback receiver arrangement includes a signal property detector configured to detect a transmit signal property of the transmit signal in the normal operating phase based on combining the first reference signal with a transmit signal or with a signal derived from the transmit signal, and to obtain, in the calibration operating phase, a calibration signal based on combining the second reference signal with the transmit signal or the signal derived from the transmit signal, which describes a disturbing portion introduced into the detected transmit signal property by the RF feedback receiver arrangement itself.08-23-2012
20120214425Antenna, Complex Antenna and Radio-Frequency Transceiver System - An antenna for receiving and transmitting radio signals includes a ground metal plate, a first patch plate, a second patch plate, a first feed-in wire electrically connected to the first patch plate for transmitting radio signals, a second feed-in wire electrically connected to the second patch plate for transmitting radio signals, and an insulation fixing unit for fixing the ground metal plate, the first patch plate and the second patch plate, to ensure that the ground metal plate, the first patch plate and the second patch plate do not electrically contact to each other.08-23-2012
20120214424Single Input/Multiple Output (SIMO) or Multiple Input/Single Output (MISO) or Multiple Input/Multiple Output (MIMO) Antenna Module - An antenna module is provided. The antenna module includes a first slot antenna unit and a second slot antenna unit. The first slot antenna unit is coupled to a radio frequency (RF) unit. The second slot antenna unit is coupled to the RF unit. The first and second slot antenna units are embedded in a wireless communications dongle, and the wireless communications dongle operates as a modem to transmit or receive a wireless signal to or from a wireless telephony communications network for a computer via the first and second slot antenna units when the wireless communication dongle connects to the computer.08-23-2012
20120171967THIN FILM RESISTOR HAVING IMPROVED POWER HANDLING CAPABILITY - Designs and methodologies related to attenuators having a thin-film resistor assembly are disclosed. In some embodiments, the thin-film assembly can include a first and second thin-film resistor, each having a main portion with an input end and an output end. The input end of the first thin-film resistor is interconnected to the input end of the second thin-film resistors, and the output end of the first thin-film resistor is interconnected to the output end of the second thin-film resistor. The first and second thin-film resistors are disposed relative to one another so as to define a separation. The separation region reduces the likelihood of hot spot regions forming at or near the center of the thin-film structure and improves power handling capability for a given resistor width. Also disclosed are examples of how the foregoing features can be implemented in different products and methods of fabrication.07-05-2012
20120315863WIRELESS COMMUNICATION TERMINAL - A wireless communication terminal may include a power supply unit that supplies direct current (DC) power, a wireless communication antenna, a wireless communication module that transmits communication data to an external terminal through the wireless communication antenna, an activation signal output unit that converts an electromagnetic wave received through the wireless communication antenna into DC power, and generates and outputs an activation signal if the converted DC power is greater than or equal to a predetermined power value, and a control unit that performs control such that the DC power is supplied from the power supply unit to the wireless communication module if the activation signal is output from the activation signal output unit.12-13-2012
20120315862SENSING WIRELESS TERMINAL - A sensing wireless terminal may include a sensor unit having at least two sensing modes, a wireless communication unit configured to wirelessly transmit sensing data corresponding to a signal sensed by the sensor unit to another terminal, the wireless communication unit receiving control data transmitted from the other terminal, and a control unit configured to determine whether or not to change a mode from a first mode to a second mode based on the signal sensed by the sensor unit, the control unit determining whether or not to change the mode from the second mode to the first mode based on the control data received by the wireless communication unit, wherein, comparing the two sensing modes of the sensor unit, a mode having a relatively long sensing interval is defined as the first mode and a mode having a relatively short sensing interval is defined as the second mode.12-13-2012
20120315861RADIO FREQUENCY CIRCUIT AND SIGNAL TRANSMISSION METHOD - A radio frequency circuit and a signal transmission method are provided. The radio frequency circuit comprises a primary antenna, a secondary antenna and a radio frequency integrated circuit. The primary antenna is electrically coupled to the radio frequency integrated circuit to transmit and receive at least one transmission/reception signal. The secondary antenna is electrically coupled to the radio frequency integrated circuit to receive at least one diversity reception signal. The radio frequency integrated circuit is configured to receive a specific diversity reception signal via the primary antenna and to transmit and receive a specific transmission/reception signal via the secondary antenna.12-13-2012
20120178383Wake Up Procedure for a Base Station in a Communications Network - A mobile apparatus transmits a message for waking up an apparatus of a communications network in order to achieve access to the communications network. An apparatus of the communications network receives the message, determines whether the apparatus is in a standby mode in which the transmitter is deactivated, and shifts to a wake up mode, in which the transmitter is kept deactivated, for at most an apparatus-specific offset time in response to receipt of the message in case the apparatus is in the standby mode. The apparatus detects whether an acknowledgment message acknowledging that a successful access to the communications network has been achieved based on the message is received in the wake up mode of the apparatus, and the apparatus shifts to an active mode in which the transmitter is activated and provides access to the communications network for the mobile apparatus based on the message using the transmitter in case no acknowledgment message has been received in the wake up mode when the apparatus-specific offset time elapses. Otherwise, the apparatus shifts to the standby mode when the acknowledgement message is received in the wake up mode. The acknowledgment message may be received from the mobile apparatus or from an apparatus of the communications network.07-12-2012
20120178382ENGAGEMENT FEATURES AND ADJUSTMENT STRUCTURES FOR ELECTRONIC DEVICES WITH INTEGRAL ANTENNAS - Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include antenna structures that are formed from an internal ground plane and a peripheral conductive housing member. The internal ground plane and peripheral conductive housing member may be separated by a gap. The internal ground plane may be formed from sheet metal structures having engagement features such as tabs bent upwards at an angle. Plastic structures may be insert molded over the engagement features. When the internal ground plane is mounted in the electronic device, the plastic structures may bridge the gap between the internal ground plane and the peripheral conductive housing member. An adjustable structure such as a washer with a selectable thickness may be mounted to the peripheral conductive housing member opposing conductive structures across the gap. The thickness may be adjusted to adjust antenna performance.07-12-2012
20100009638WIRELESS COMMUNICATION APPARATUS AND METHOD OF SELECTING ANTENNA THEREOF - In a wireless communication apparatus for communicating by using a plurality of antennas, a degree of coupling between antennas is detected before communication is initiated, a combination of antennas is selected based on the degree of coupling and communication is executed using the selected antennas.01-14-2010
20090061789Polypod Antenna - Embodiments of the present invention include antennas for transmitting and receiving electromagnetic signals. The antennas are configured to transmit a first electromagnetic signal at full power via a first set of radiating elements and to transmit the first electromagnetic signal at an attenuated power via a second set of radiating elements to decrease side lobes associated with the transmission of the first electromagnetic signal. The antennas are configured to receive a second electromagnetic signal having an associated first power level via the second set of radiating elements and to form an aggregated electromagnetic signal having a second power level that is a multiple of the first power level. The antennas are configured to attenuate the aggregated signal to form an attenuated electromagnetic signal having a third power level to facilitate uniform reception of the second electromagnetic signal and tapered transmission.03-05-2009
20090061788Electromagnetic signal transceiving apparatus and method using polarized component modulation - This present invention provides an electromagnetic signal transceiving apparatus and method using polarized component modulation. The apparatus comprises a transmitting terminal and a receiving terminal, a transmitting terminal comprises an operation interface, an electromagnetic signal generation unit, a logic operation unit, a first polarized component and a second polarized component. A receiving terminal comprises a third polarized component, a fourth polarized component, an electromagnetic receiving unit and a processing unit. This invention is an apparatus using polarized component to modulate electromagnetic signal and using corresponding polarized component to demodulate electromagnetic signal, wherein the modulated signal can prevent other devices from being triggered during transmission.03-05-2009
20100291881PUSH-PULL LOW-NOISE AMPLIFIER WITH AREA-EFFICIENT IMPLEMENTATION - An amplifier integrated circuit (IC) includes a push-pull configuration including a push stage and a pull stage. A first loop of wire is configured to form a first degeneration inductance of the push stage. A second loop of wire is configured to form a first degeneration inductance of the pull stage. The first and second loops are concentric.11-18-2010
20100291880RF Wireless Device Including an Infrared Beacon for Presence Detection - A portable RF wireless device (11-18-2010
20120083223ELECTRONIC DEVICE FOR ACCESSING WIRELESS NETWORK AND METHOD FOR SAVING RESOURCES FOR THE DEVICE - An electronic device for accessing wireless network includes a radio frequency (RF) module, a power supply management unit, a CPU and a data transmission interface. The RF module receives electromagnetic wave signal from networks and transmits electromagnetic wave signals to the networks. The data transmission interface transmits the electromagnetic wave signals from the RF module to the CPU, and transmits data and commands between the RF module and the CPU. When the electronic device does not communicate with a remote server on the networks during a predetermined time period, the CPU suspends the data transmission interface. A related method of saving resource is also provided.04-05-2012
20120190311FREQUENCY GENERATOR AND GAIN CALIBRATION TECHNIQUE FOR TWO-POINT MODULATION IN A PHASE-LOCKED LOOP - A frequency generator includes a phase-locked loop (PLL) and a voltage controlled oscillator (VCO), where the VCO is arranged to receive low-pass data via a first input and high-pass data at a second input. The first input is coupled to a first set of varactors in the VCO. The second input is coupled to a second set of varactors in the VCO. A controller sets the input voltage at the first input and directs a charge pump to operate in a tri-state mode that opens the feedback loop of the PLL. The controller applies different voltages via the second input and measures the change in output frequency. A present gain of the VCO is determined from the ratio of the change in frequency and the change in voltage at the second input and is used to calibrate a portable transceiver.07-26-2012
20120190310TRANSCEIVER AND RADIO FREQUENCY IDENTIFICATION TAG READER - In a transceiver, on a top surface of a rectangular plate-shaped substrate, transmission radiating elements and receiving radiating elements are provided. The transmission radiating elements extend in the horizontal or lateral direction from the center of the substrate. The receiving radiating elements extend in the vertical or longitudinal direction from the center of the substrate. Inductors included in a matching feeding element are individually electromagnetically coupled to transmission-side feeding points that are inner end portions of the transmission radiating elements and receiving-side feeding points that are inner end portions of the receiving radiating elements. A transmission signal is transmitted with a wave polarized in the horizontal or lateral direction, and a signal having a vertical or longitudinal polarization direction is received.07-26-2012
20120264378METHODS AND APPARATUS FOR POWER AMPLIFIER CALIBRATION - Systems, methods and apparatus a provided for calibrating actual output power of a transmit power sensor for closed loop power control using a quality metric such as error vector magnitude (EVM) to improve power detection accuracy. In aspects, a method for correlating an output of a transmit power sensor with actual output power of a wireless transmitter includes deriving a characteristic correlation between an actual output power of a set of transmit amplifiers and an output power and of a set of corresponding power detection circuits over a range of transmit power levels in a corresponding set of wireless devices; storing the characteristic correlation in a wireless device that is not part of the set from which the characteristic correlation was derived; and sensing an output of a transmit power sensor of the device while the transmitter of the device transmits according to one or more gain settings.10-18-2012
20090017773CAPACITIVE ISOLATOR - An integrated circuit provides high voltage isolation capabilities. The circuit includes a first area containing a first group of functional circuitry located in a substrate of the integrated circuit. This circuit also includes a second area containing a second group of functional circuitry also contained within the substrate of the integrated circuit. Capacitive isolation circuitry located in the conductive layers in the integrated circuit provide a high voltage isolation link between the first group of functional circuitry and the second group of functional circuitry. The capacitive isolation circuitry distributes a first portion of the high voltage isolation signal across the first group of capacitors in the capacitive isolation circuitry and distributes a second portion of the high voltage isolation circuitry across the second group of capacitors in the capacitive isolation circuitry.01-15-2009
20090017771Resource optimized live to virtual communications - An exemplary embodiment of the invention relates to configuring the minimum number of relay radios in a live-virtual communications system for a tactical training event. The system includes live radios, virtual radios cooperating with a wide area network, and radio bridge circuits cooperating between the live radios and the wide area network. A number of relay radios is determined by determining the mean transmission length for the tactical training event. The duration of peak performance and the expected number of transmissions for the tactical training event are determined. The number of radios for the traffic capacity is calculated, which incorporates a QoS and a spare capacity.01-15-2009
20110124299MAGNETIC ANTENNA, BOARD MOUNTED WITH THE SAME, AND RF TAG - The present invention relates to a magnetic antenna for information communication using a magnetic field component which is capable of satisfying both reduction in size and improvement in communication sensitivity. The magnetic antenna of the present invention is used for transmitting and receiving information using an electromagnetic induction method, and comprises a central core formed of a magnetic material and a non-magnetic material, a coil-shaped electrode material wound around the core, and an insulating layer formed on at least one outside surface of the core on which the coil-shaped electrode material is provided, in which the magnetic material is separated into two or more parts through the non-magnetic material when viewed in a section of the core which is perpendicular to a magnetic flux passing therethrough.05-26-2011
20120231748Method and System for Implementing Power Detection - The present invention discloses a method and system for implementing power detection, wherein said method includes: extracting basic information of a destination base station from a detection request, obtaining configuration information of said destination base station from a database according to the basic information, and searching available signal transmission links and power collection points of said destination base station according to the configuration information; carrying out power collection, and analyzing power values of each available power collection point on the available signal transmission link, and updating the power values of corresponding power collection points. With the present invention, power detection can be carried out on the device from a perspective of the system, and the maintainability and operability are improved.09-13-2012
20110003562TRANSCEIVER SYSTEM INCLUDING DUAL LOW-NOISE AMPLIFIERS BACKGROUND - A transceiver system includes a first receive path with a first antenna configured to receive first signals, a first configuration switch, a first low noise amplifier configured to amplify the first signals, a second configuration switch, and a receiver. The first receive path is selectively configured to supply the amplified first signals to the receiver via the first antenna, the first configuration switch, the first low noise amplifier, and the second configuration switch. A second receive path includes a second antenna configured to receive second signals, a second low noise amplifier configured to amplify the second signals, the second configuration switch, and the receiver. The second receive path (i) includes fewer configuration switches than the first receive path and (ii) is selectively configured to supply the amplified second signals to the receiver via the second antenna, the second low noise amplifier, and the second configuration switch.01-06-2011
20120264379GAIN INDEX BASED RADIO CALIBRATION - A wireless device includes an antenna, Radio Frequency (RF) circuitry, and baseband processing circuitry. The baseband processing circuitry couples to the RF circuitry and is operable to determine operational calibrations settings that may include pre-distortion characteristics and RF signal path settings, both of which are determined via calibration operations. The calibration operations are initiated when an operational value of the wireless device compares unfavorably to at least one operational threshold. Monitoring circuitry coupled to the RF circuitry and to the baseband processing circuitry monitors operational characteristics of the RF circuitry. Calibration operations may be initiated based upon RF circuitry temperature, supply voltage, PA current, PA gain input level/average, among other triggers.10-18-2012
20110039502MULTIPLE RESPONSE FILTERING APPARATUS - A multiple response filtering apparatus having distribution means, with an inlet port and a plurality of outlet ports, suitable to distribute inlet signals on at least a first assembly of said outlet ports plurality and to further distribute signal arriving from said at least a first assembly on at least a second assembly of said plurality of outlet ports; a plurality of filtering units, having first and second terminals, each filtering unit being connected by said first terminals to a relevant assembly of outlet ports of said distribution means and suitable to carry out a filtering operation transmitting a spectrum band of a signal on said first terminals and on said second terminals and reflecting the remaining part of the spectrum, and vice versa; and combination means with a plurality of inlet ports connected with second terminals of said filtering units and an outlet port, said combination means being suitable to combine on said outlet port signal arriving from said second terminals of said filtering units.02-17-2011
20120270508SYSTEM AND METHOD FOR ENABLING RADIO OPERATIONS ON A WIRELESS COMPUTING DEVICE - Embodiments of the invention provide for a wireless computing device that comprises a set of one or more radio components to transmit and receive wireless communications on the device. Additionally, the wireless computing device includes processing and memory resources that individually or in combination provide multiple wireless applications, a radio object, and an arbitration component. The multiple wireless applications are each capable of generating a user-interface for enabling user-input in connection with wireless activities performed with that wireless application. The radio object interfaces the multiple applications with the set of one or more radio components. The arbitration component is configured to arbitrate at least one of (i) requests made by each of the wireless applications to the radio object for access to one or more of the radio components in the set, or (ii) responses from the radio object to requests made by each of the wireless applications.10-25-2012
20080318533Transceiver with adjustable antenna assembly - An RF transceiver section includes an adjustable antenna assembly, a low noise amplifier module, a down conversion module, an up conversion module, and a power amplifier. The adjustable antenna assembly is configured to provide a receive antenna structure and a transmit antenna structure. The receive antenna structure receives an inbound RF signal having a carrier frequency within a receive frequency band and the transmit antenna structure transmits an outbound RF signal having a carrier frequency within a transmit frequency band. An effective polarization of the receive and/or transmit antenna structure is adjusted based on the inbound RF signal such that, once adjusted, the receive antenna structure has a substantially orthogonal polarization with respect to the transmit antenna structure.12-25-2008
20110217938Wireless Transceiver Device and Control Method - A wireless transceiver device used in an electronic device for preventing wireless signal interference includes a plurality of wireless modules for processing wireless signals of a plurality of wireless communication systems, and a control module for adjusting receiving sensitivities or output powers of the plurality of wireless modules, to prevent signals outputted from a wireless module of the plurality of wireless modules from affecting operations of other wireless modules.09-08-2011
20120322392RADIO TRANSMITTER, BASE STATION APPARATUS, RADIO TRANSMISSION METHOD, CONTROL PROGRAM FOR BASE STATION APPARATUS, AND INTEGRATED CIRCUIT - In using frequency selective precoding to a multicarrier signal, notification is provided with control information. A radio transmitter, divides a frequency signal into a plurality of clusters, arranges each of the divided clusters on a frequency domain and multiplies each of the clusters by a precoding matrix, limits the number of precoding matrices to be selected based on the relationship between a precoding matrix to be multiplied to any of the clusters and a precoding matrix to be multiplied to any of the other clusters. The number of precoding matrices to be selected is limited based on the relationship between a precoding matrix to be multiplied to any one of the clusters and a precoding matrix to be multiplied to another cluster neighboring thereto. The number of precoding matrices to be selected is limited based on frequency correlation between any one of the clusters and another cluster neighboring thereto.12-20-2012
20110237205WIRELESS COMMUNICATIONS DEVICE WITH WAVEFORM CONFIGURATION AND RELATED METHODS - A mobile wireless communications device may include an antenna, a transceiver coupled to the antenna, and a controller coupled to the transceiver. The controller may be configured to determine a received signal characteristic, and to configure parameters of a waveform for adjacent forward transmission blocks to be transmitted as sequential forward transmission blocks and based upon the received signal characteristic. Each forward transmission block may have a preamble portion and an associated body portion. The controller may be further configured to set the preamble portion of each forward transmission block to communicate the parameters of the configured waveform.09-29-2011
20110237204BULK ACOUSTIC RESONATOR STRUCTURE COMPRISING HYBRID ELECTRODES - In accordance with a representative embodiment, a BAW resonator structure, comprises a first BAW resonator, comprising: a first lower electrode having a first electrical resistance; a first upper electrode having a second electrical resistance; and a first piezoelectric layer disposed between the first lower electrode and the first upper electrode. The BAW resonator structure also comprises a second BAW resonator, comprising: a second lower electrode having the second electrical resistance; a second upper electrode having the first electrical resistance; and a second piezoelectric layer disposed between the second lower electrode and the second upper electrode. The BAW resonator structure also comprises an acoustic coupling layer disposed between the first BAW resonator and the second BAW resonator. The first electrical resistance is less than the second electrical resistance. An communication device comprising a coupled resonator filter (CRF) is also disclosed.09-29-2011
20120129469Multiple Antenna Transceiver - Embodiments for at least one method and apparatus of a multiple antenna transceiver are disclosed. One embodiment of the multiple antenna transceiver includes a multiport network having a plurality of first ports and a plurality of second ports, wherein at least one of the second ports is responsive to at least two of the first ports. The multiple antenna transceiver further includes a plurality of antennas, an antenna connected to each of the plurality of second ports. Another embodiment includes a multiple antenna subscriber unit architecture.05-24-2012
20120276858MULTIPLE FREQUENCY BAND MULTIPLE STANDARD TRANSCEIVER - A transceiver includes a receiver section and a transmitter section. The receiver section converts an inbound Multiple Frequency Bands Multiple Standards (MFBMS) signal into a down converted signal, wherein the inbound MFBMS signal includes a desired signal component and an undesired signal component. In addition, the receiver section determines spectral positioning of the undesired signal component with respect to the desired signal component and adjusts at least one of the MFBMS signal and the down converted signal based on the spectral positioning to substantially reduce adverse affects of the undesired signal component on the desired signal component to produce an adjusted signal. The transmitter section converts an outbound symbol stream into an outbound MFBMS signal.11-01-2012
20100233971DIRECT-CONVERSION TRANSCEIVER ENABLING DIGITAL CALIBRATION - A method for calibrating a transceiver includes selecting one of a plurality of available calibration paths on the transceiver to be active. The transceiver includes a transmitter and a receiver. The selected one of the plurality of available calibration paths couples the transmitter to the receiver through a circuit that is external to the transceiver. A calibration signal may be provided to enable calibration of the transceiver via the selected one of the plurality of available calibration paths. The calibration signal may be received after it has passed through the selected one of the plurality of calibration paths. Characteristics of the transceiver may be measured using the received calibration signal.09-16-2010
20120276855WIRELESS LINK BACKUP SYSTEM - A wireless link backup system, including a first device and a second device, wherein the first device comprises a first controller and at least two first wireless transceivers; the at least two first wireless transceivers have the same working parameters; and the first controller is adapted to control such that only one of the first wireless transceivers is working at a time; the second device comprises a second controller and at least two second wireless transceivers; the at least two second wireless transceivers have the same working parameters; and the second controller is adapted to control such that only one of the second wireless transceivers is working at a time; and the working parameter of the first wireless transceiver match the working parameter of the second wireless transceiver, so that wireless connection between the first wireless transceiver and the second wireless transceiver can be established.11-01-2012
20120276854Slot Antenna For An Implantable Device - An implantable medical device may include a case which houses components of the implantable medical device. The implantable medical device may include an inductive coil coupled to a rechargeable battery. The inductive coil may be operative to inductively couple to an external coil and to transfer energy from the external coil to the rechargeable battery to recharge the rechargeable battery. The implantable medical device may include a cutout formed in the case of the implantable medical device and filled with a dielectric material. The cutout may be operative to reduce eddy currents in the case during recharge of the rechargeable battery. The implantable medical device may include a slot antenna disposed within the case. The slot antenna may be operative to communicate with an external device through the cutout in the case.11-01-2012
20100203842Wireless communication terminal apparatus, wireless communication system and wireless communication method - A wireless communication terminal apparatus 08-12-2010
20110244811Demodulator and Method for Demodulating a Modulated Carrier Signal - A demodulator includes a sampler configured to sample a plurality of first amplitude values of a modulated carrier signal using a constant sampling frequency and a plurality of second amplitude values of the modulated carrier signal at different times using the same constant sampling frequency. The constant sampling frequency is equal to a carrier frequency of the modulated carrier signal with a tolerance of +/−1% of the carrier frequency.10-06-2011
20120088460COMMUNICATION DEVICE - According to one embodiment, a communication device includes a receiver, a transmitter and an interruption module. The receiver receives an allocation signal indicating a first period usable by the communication device and a second period usable by a plurality of communication devices including the communication device. The transmitter transmits a transmission signal in the first period. If the transmission of the transmission signal is completed within the first period, the interruption module interrupts at least a part of power supply to the receiver in the second period. If the transmission of the transmission signal is not completed within the first period and directivity of radio waves used by a second communication device includes a direction of the communication device in a communication period allocated before the second period, the transmitter transmits the transmission signal in the second period.04-12-2012
20120088459SUBSTRATE LENS ANTENNA DEVICE - A device with a substrate lens antenna uses a lens shaped dielectric body located on top of a planar feed antenna. A leaky wave antenna structure is used as feed antenna. The leaky wave antenna structure has a feed input and a first and second wave propagation branch extending from the feed input. The lens shaped dielectric body has a plane surface containing a focal point of the lens shaped dielectric body, the plane surface located adjacent the first plane, with the focal point adjacent the position of the feed input. Preferably the lens shaped dielectric body is spaced from the leaky wave structure at a sufficient distance to remove most of the propagation speed reduction effect of the dielectric on wave propagation along the leaky wave antenna. This helps to suppress undesirable side-lobes.04-12-2012
20110281528RESONANT POWER CONVERTER FOR RADIO FREQUENCY TRANSMISSION AND METHOD - A resonant power converter for ultra-efficient radio frequency transmission and associated methods. In one exemplary embodiment, the invention is digitally actuated and uses a combination of a noise-shaped encoder, a charging switch, and a high-Q resonator coupled to an output load, typically an antenna or transmission line. Energy is built up in the electric and magnetic fields of the resonator, which, in turn, delivers power to the load with very little wasted energy in the process. No active power amplifier is required. The apparatus can be used in literally any RF signal application (wireless or otherwise), including for example cellular handsets, local- or wide-area network transmitters, or even radio base-stations.11-17-2011
20110294440HIGH POWER AMPLIFIER, WIRELESS TRANSMITTER, WIRELESS TRANSCEIVER, AND METHOD FOR MOUNTING HIGH POWER AMPLIFIER - A high power amplifier that has a high heat dissipation effect and is produced at low cost, a wireless transmitter and a wireless transceiver with the high power amplifier and a method for mounting a high power amplifier are provided. The high power amplifier comprises a transistor with lead wires extending from both side surfaces of a mold provided on a heat dissipation member to the outside, a double-sided wiring board of which the heat dissipation member is inserted in an opening of the double-sided wiring board and a wiring pattern on one surface of the double-sided wiring board is electrically connected to the lead wires, and a case for accommodating the double-sided wiring board. Further, the high power amplifier comprises a plate of which one main surface is in contact with an inner wall of the case and the other main surface is connected to the heat dissipation member and a wiring pattern on the other main surface of the double-sided wiring board.12-01-2011
20120100817LOADING OF A TWISTED FOLDED-MONOPOLE - A loading of a twisted folded monopole (LTFM) includes a first antenna portion and a second antenna portion. The first and second antenna portions are mutually coupled to support a lower band for wireless communications. The LTFM also includes a third antenna portion and a fourth antenna portion. The third and fourth antenna portions generate self resonance in a higher band for wireless communications.04-26-2012
20120329405TWO-WAY COMMUNICATION IN WIRELESS POWER TRANSFER - Disclosed herein is a wireless power transmitter for solving a problem that a collision occurs when recognizing an initial wireless power receiver in two-way communication of wireless power transmission. A wireless power transmitter according to a first embodiment disclosed herein may include a transceiver configured to transmit and/or receive a message to and/or from a wireless power receiver; and a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and determine whether the identification information is validly received from the wireless power receiver by the transceiver in response to the identification information request, and control the transceiver to transmit a message for requesting sleep mode switching to the wireless power receiver when the identification information is validly received by the transceiver.12-27-2012
20120329404SURFACE-MOUNT SIGNAL TRANSCEIVER MODULE - A surface-mount signal transceiver module includes an antenna unit (12-27-2012
20120289169Agile Remote Radio Head - A system for providing wireless communication is provided. The system comprises a radio transceiver comprising a plurality of configurable receivers and transmitters and a programmable processor, wherein the programmable processor is operable to configure at least some of the plurality of receivers and transmitters to operate using an operational mode associated with at least one of a designated coverage area and capacity.11-15-2012
20120289170Method and Apparatus for Providing Uplink Control Signalling in a Multi-Radio Access Environment - Various methods for providing control signaling in a multi-radio access environment are provided. One example method includes implementing radio resource management and a general link layer jointly across at least two radio access technology modules, and selecting one of the radio access technology modules to perform control signaling in a multi-radio environment. Similar and related example methods and example apparatuses are also provided.11-15-2012
20100178878Capacitor, Resonator, Filter Apparatus, Communication Device, and Electric Circuit - A capacitor is provided with a first electrode to which a direct current voltage is applied; a dielectric layer, which is arranged on the first electrode and is composed of an oxide dielectric material; and a second electrode, which is arranged on the dielectric layer, has a first portion where at least a part in contact with the dielectric layer is composed of a conductive oxide material having oxidizing property, and has a direct current voltage lower than that applied to the first electrode applied.07-15-2010
20080254750PRESENCE OF COMMUNICATION INTERLOCK METHOD AND APPARATUS FOR REDUCING OR ELIMINATING AIRCRAFT COMMUNICATIONS RADIO INTERFERENCE - In one exemplary illustrative non-limiting aircraft radio communications system, a “POCI” (“Presence Of Communication Interlock”) is comprised of a double balanced low pass LC filter covering the voice range. The voice signals coming from the two VHF's are filtered and processed by an amplifier at an adequate level to be peak detected. The resulting signal is applied to an amplifier with a defined hysteresis and time constant and finally drives the relay interlock circuit that inhibits an ACARS VHF radio from transmitting whenever other on-board comm. VHF transceivers are receiving voice signals. Visual indicators provide information on system operation and system power failure.10-16-2008
20090017770Noise cancellation system for transceivers - According to one exemplary embodiment, a transceiver providing noise cancellation has a transmitter and a receiver, and comprises a noise cancellation system receiving input from the transmitter. The noise cancellation system generates a noise cancellation signal injected into the receiver such that the noise cancellation signal has an amplitude substantially matching an amplitude of a noise signal in the receiver, and a phase substantially opposite to a phase of the noise signal in the receiver. In one exemplary embodiment, a noise cancellation system comprises a forward injection circuit including a scaling and rotation block, and first and second phase shift and attenuation controllers providing feedback from outputs of the receiver. In one exemplary embodiment, the scaling and rotation block includes first, second, third, and fourth amplifiers to receive a down-converted noise signal and provide a noise cancellation signal.01-15-2009
20080242234Minimizing the noise figure of broadband frequency agile radio receivers - A wireless device includes an impedance transforming network that couples an antenna to a Low Noise Amplifier (LNA) and includes at least one digitally controllable variable capacitor that may be adjusted to maximize an impedance transformation ratio on a desired channel. A tuned response centered on the desired channel provides attenuation to undesired channels.10-02-2008
20080233888MULTI-BAND ANTENNA - An antenna comprising: (a) a conductive ground plane; and (b) a rod shaped monopole element having a conductive surface, oriented out from the ground plane and having a length selected for a first radio frequency band, the monopole element having a current suppressing element conductively attached and surrounding the surface of the monopole element at a location on the monopole element determined by a second frequency band higher than the first frequency band. The rod-shaped monopole element has a relatively wide cross-section such that the antenna is operable over relatively wide ranges of frequencies in one or both of the frequency bands. The antenna is for operation in the 2.4 GHz and the 5 GHz bands as used in the IEEE 802.11a,b,g standards.09-25-2008
20080233887Classmark Change Message System and Method - A mobile station is provided. The mobile station includes a processor programmed to promote sending a classmark change message responsive to receiving a command from a network, wherein the command requires a capability that the mobile station does not possess.09-25-2008
20110263213AMPLIFYING A TRANSMIT SIGNAL USING A FRACTIONAL POWER AMPLIFIER - A transmit amplifier stage operable to amplify a transmit signal comprises power amplifiers and switches. The power amplifiers include at least one fractional power amplifier operable to provide fractional power to amplify the transmit signal, where the fractional power is a fraction of the full power. A switch has a plurality of positions, where a position directs the transmit signal to a selected power amplifier.10-27-2011
20110263212WIRELESS DEVICE AND CONTROLLING METHOD OF WIRELESS DEVICE - A wireless device includes at least a transmitter to transmit a transmitting signal; a triggering device arranged to monitor an operating status of the wireless device when the transmitter is transmitting the transmitting signal; and a controller arranged to control the transmitter to adjust a throughput of the transmitting signal when the operating status is determined to satisfy a predetermined criterion.10-27-2011
20080220727Heating control system - A heating control system, monitoring system and predictive maintenance radio sensor system. The heating control system comprises at least one temperature transducer element having a downstream voltage transformer; an energy storage device which is electrically coupled to the at least one voltage transformer; a logic assembly coupled to the energy storage device and having sequence control; a data transmission unit coupled to the logic assembly; and a sensor, coupled to the logic assembly, for measuring ambient parameters.09-11-2008
20130178168Multi-Band Matching Network for RF Power Amplifiers - A multi-band matching network for RF power amplifiers utilizes multiple impedance transformer branches connected in parallel. Each transformer branch achieves matching at one frequency band. A core of each transformer branch is connected between frequency blocking networks, which reject out-of-band signals.07-11-2013
20130178169High Gain Antenna and Wireless Device Using the Same - The present invention discloses a high gain antenna. The high gain antenna includes a first dipole antenna, formed on a substrate; a parallel reflection metal sheet, formed on the substrate and in parallel with the first dipole antenna; a first vertical reflection metal sheet, vertically disposed on a front side of the substrate and behind the first dipole antenna; and a second vertical reflection metal sheet, vertically disposed on a back side of the substrate and behind the first dipole antenna.07-11-2013
20130178170VEHICLE ANTENNA APPARATUS WITH A HORIZONTAL MAIN BEAM DIRECTION - According to one exemplary embodiment of the invention, a vehicle antenna apparatus is provided on a vehicle in such a way that this results in the antenna having a horizontal main beam direction. A first reflection apparatus above the conductive roof of the vehicle, with an exciter between these two elements, causes the reflections to be doubled, thus causing the main beam direction to be lowered from a vertical to a horizontal direction.07-11-2013
20130137382DEVICES AND METHODS RELATED TO A BARRIER FOR METALLIZATION OF A GALLIUM BASED SEMICONDUCTOR - Disclosed are structures and methods related to a barrier layer for metallization of a selected semiconductor such as indium gallium phosphide (InGaP). In some embodiments, the barrier layer can include tantalum nitride (TaN). Such a barrier layer can provide desirable features such as barrier functionality, improved adhesion of a metal layer, reduced diffusion, reduced reactivity between the metal and InGaP, and stability during the fabrication process. In some embodiments, structures formed in such a manner can be configured as an emitter of a gallium arsenide (GaAs) heterojunction bipolar transistor (HBT) or an on-die high-value capacitance element.05-30-2013
20130171946Active Antenna Sub-Array Structures - An antenna comprising a plurality of sub-arrays and methods and structure for restoring performance after a transceiver failure is provided. Each sub-array may include a power divider/combiner network, a first radiating element coupled to a first port of the power divider/combiner network, a second radiating element coupled to a second port of the power divider/combiner network, and a transceiver coupled to a third port of the power divider/combiner network. An adjustable power supply may be coupled to each transceiver, the adjustable power supply having current monitors to detect at least one failure state of a transceiver, and a power compensation mode to increase absolute power to a transceiver in a non-failed state. The adjustable power supply provides a first voltage in normal operation and a second voltage, where the second voltage is higher than the first voltage in power compensation mode.07-04-2013
20130095772COMPUTING DEVICE WITH CONFIGURABLE ANTENNA - A computing device with a configurable antenna. The antenna is configured through a switching circuit operating under software control. Operating characteristics of the antenna are configured based on connections between conducting segments established by the switching circuit, allowing the nominal frequency, bandwidth or other characteristics of the antenna to be configured. Because the switching is software controlled, the configurable antenna may be integrated with a software defined radio. The radio and antenna can be reconfigured to support communication according to different wireless technologies at different times or to interleave packets according to different wireless technologies to support concurrent sessions using different wireless technologies.04-18-2013
20130095771ANTENNA CIRCUIT, COMMUNICATION DEVICE, AND COMMUNICATION METHOD - An antenna circuit which includes, a resonant circuit which is configured by at least first and second capacitors, and antenna coils; a transmitter-receiver circuit which has a transmission terminal and a reception terminal; and an adjustment circuit which adjusts an impedance between the resonant circuit and the transmitter-receiver circuit, in which a combination of capacitances of the first and second capacitors is set in a predetermined range of a composite capacitance of the first and second capacitors, and a signal from a terminal which is provided between the first and second capacitors is input to the reception terminal.04-18-2013
20130115896System and Method for Radio Antenna Sharing in an Information Handling System - An information handling system includes a processing system with a radio output, another processing system with a radio output, and a radio selector operable to couple an antenna to a selected one of the radios. A radio selector board includes a radio, a selector switch with an input terminal coupled to the radio, another input terminal coupleable to another radio, a control input coupleable to a control module, and an output coupleable to an antenna. In response to a control signal from the control module, the selector switch connects the first radio to the antenna, and in response to another control signal, the selector switch connects the other radio to the antenna.05-09-2013
20130115895DEVICES AND METHODS RELATED TO FIELD-EFFECT TRANSISTOR STRUCTURES FOR RADIO-FREQUENCY APPLICATIONS - Disclosed are devices and methods related to field-effect transistor (FET) structures configured to provide reduced per-area values of resistance in the linear operating region (Rds-on). Typical FET devices such as silicon-on-insulator (SOI) device require larger device sizes to desirably lower the Rds-on values. However, such increases in size result in undesirably larger die sizes. Disclosed are various examples of shapes of source, drain, and corresponding gate that yield reduced Rds-on values without having to increase the device size. In some implementations, such FET devices can be utilized in high power radio-frequency (RF) switching applications.05-09-2013
20130115894Compensation Apparatus for Receiver Asymmetric Wide Passband Frequency Response with 25% Duty Cycle Passive Mixer - A receiver compensation method comprising receiving a radio frequency signal, amplifying the radio frequency signal, thereby producing an amplified signal, compensating the amplified signal, thereby producing a compensated signal, and mixing the compensated signal, thereby producing a mixed compensated signal, wherein the mixed compensated signal has a first gain difference between a positive differential from a center frequency and a negative differential from the center frequency and wherein the first gain differential is smaller than a second gain differential that would be obtained by mixing the amplified signal without compensating the amplified signal.05-09-2013
20130102260APPARATUS AND METHOD FOR DISCOVERING DEVICE IN PORTABLE TERMINAL - An apparatus and a method for discovering a device in a portable terminal, which can restrict an operation of discovering a device repeated in a communication mode of the portable terminal, are provided. The apparatus includes a memory for storing at least one condition for stopping the discovery of a device, and a control unit for, when the at least one condition for stopping the discovery of a device is satisfied in a device discovering operation for a connection in a communication mode, controlling such that the device discovering operation is stopped.04-25-2013
20130102259APPARATUS AND METHOD FOR PREVENTING ACOUSTIC SHOCK OF PORTABLE TERMINAL - An apparatus and method for preventing an acoustic shock of a portable terminal are disclosed. The apparatus includes a transceiver gain determining unit including a table of gain values for sound signals in each of one or more call modes, configured to output a particular gain value corresponding to a particular call mode; a reference value determining unit configured to receive the gain value from the transceiver gain determining unit, monitor a change in the gain value, and determine a predetermined reference energy value based on the change in the gain value; and an output level adjusting unit configured to receive an input signal, compare the input signal with the predetermined reference energy value, and adjust the level of the input signal to output an output signal.04-25-2013
20090036063Distributed reservation protocol for enabling multi-band transmission in next generation ultra wide band technology - An ultra wide band wireless transmit/receive unit (WTRU) communication includes a transmitter configured to transmit a first indicator of a multi-radio band transmission, and a receiver configured to receive a second indicator of a multi-radio band transmission.02-05-2009
20130203362CONTROL CIRCUIT, IMPEDANCE ADJUSTING CIRCUIT, IMPEDANCE AUTOMATIC ADJUSTING CIRCUIT, RADIO TRANSCEIVER CIRCUIT, CONTROL METHOD, IMPEDANCE ADJUSTING METHOD, IMPEDANCE AUTOMATIC ADJUSTING METHOD, AND RADIO TRASCEIVING METHOD - There is provided a control circuit (08-08-2013
20130203361SEMICONDUCTOR DEVICE AND COMMUNICATION SYSTEM INCLUDING THE SAME - Disclosed is a semiconductor device including a semiconductor chip and a semiconductor package. The semiconductor package includes an antenna formed of a lead frame, a first wire that connects the antenna and a first electrode pad of the semiconductor chip, and a second wire that connects the antenna and a second electrode pad of the semiconductor chip. The semiconductor chip is disposed in one of four regions in the semiconductor package sectioned by line segments connecting midpoints of two pairs of opposing sides of the semiconductor package. A centroid of the semiconductor chip is positioned outside a closed curve composed of a straight line segment connecting a first connection point where the antenna and the first wire are connected and a second connection point where the antenna and the second wire are connected, and a line connecting the first and second connection points along the antenna.08-08-2013
20130203360WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD - A wireless communication device has a plurality of wireless units each configured to cover a different wireless communication range and be capable of receiving data in the corresponding wireless communication range, a status information generator provided corresponding to the wireless unit utilized to receive data among the plurality of wireless units, in order to generate status information concerning the wireless communication range of the wireless unit utilized to receive the data, and a storage configured to store the status information in association with the data.08-08-2013
20080200131CHIP PACKAGE WITH TRANSCEIVER FRONT-END - Various embodiments describe a chip package having a transceiver front-end. The transceiver front-end may be coupled to a communication processor on a die disposed on the chip package. Other embodiments may be described and claimed.08-21-2008
20080200130System and method for wireless transmission - A system and a method for wireless transmission are disclosed. The system includes an electronic apparatus, a box and a transformer. The electronic apparatus has a transceiver for receiving a first signal based on a predetermined wireless communication protocol. The box includes a plurality of receiving units, and the receiving units are provided for respectively receiving wireless communication signals through respective wireless communication protocols. The transformer is disposed in the box for transforming the wireless communication signals to generate a second signal that is compatible with the predetermined wireless communication protocol.08-21-2008
20110223871ADDER, AND POWER COMBINER, QUADRATURE MODULATOR, QUADRATURE DEMODULATOR, POWER AMPLIFIER, TRANSMITTER AND WIRELESS COMMUNICATOR USING SAME - To provide an adder capable of obtaining an addition signal of a plurality of high frequency signals, and also a power combiner, a quadrature modulator, a quadrature demodulator, a power amplifier, a transmitter, and a wireless communicator, each of which uses the adder. Impedances (Zg, Zh) seen from a common output point (P09-15-2011
20120276857FREQUENCY MULTIPLICATION USING SELF-MIXING - Frequency multipliers having corresponding methods and multifunction radios comprise: N multipliers, wherein N is an integer greater than one; wherein the multipliers are connected in series such that each of the multipliers, except for a first one of the multipliers, is configured to mix a periodic input signal with an output of another respective one of the multipliers; wherein the first one of the multipliers is configured to mix the periodic input signal with the periodic input signal.11-01-2012
20120276856IMPLANTABLE MEDICAL DEVICE ANTENNA - An implantable medical device includes a case having a conductive housing defining an opening. A dielectric material is coupled to the conductive housing to hermetically seal the opening. An antenna is within the case under the dielectric material. A header block is coupled to the case over the dielectric material.11-01-2012
20110275332INDUCTIVE POWERING FOR A MOBILE COMMUNICATION DEVICE AND A RADIO FREQUENCY INTEGRATED CIRCUIT - A power status signal is received in an integrated circuit that indicates an inductive power status of an inductive power module and a power status of an alternative source. A power mode is selected based on the at least one power status signal. A power mode signal is generated based on the selected power mode. A power supply signal is generated and adjusted in response to the power mode signal.11-10-2011
20110275331Load Aware Power Controlling - A User Equipment Apparatus is described, which include a Load Factor Determining Device and a Calculating Device. The Load Factor Determining Device is adapted for determining at least one load factor value of a neighbour sector. The Calculating Device is adapted for calculating a transmit power of the User Equipment Apparatus such that the at least one load factor value of a sector is considered.11-10-2011
20110275330SYSTEM AND METHOD FOR POWER AMPLIFIER OVER-VOLTAGE PROTECTION - A system for power amplifier over-voltage protection includes a power amplifier configured to receive a system voltage, a bias circuit configured to provide a bias signal to the power amplifier, and a power amplifier over-voltage circuit configured to interrupt the bias signal when the system voltage exceeds a predetermined value, while the system voltage remains coupled to the power amplifier.11-10-2011
20100291882SYSTEM AND METHOD FOR RESOLVING CONFLICTS BETWEEN AIR INTERFACES IN A WIRELESS COMMUNICATION SYSTEM - A device and method for resolving conflicts between air interfaces in a wireless communication system are disclosed. In one embodiment, the method comprises communicating over a first air interface, receiving a request for resources for concurrent use in communicating over a second air interface, determining that a conflict does not exist between resources for the first air interface and at least a portion of the requested resources for the second air interface, and concurrently communicating over the first air interface using resources for the first air interface and communicating over the second air interface using at least a portion of the requested resources for the second air interface.11-18-2010
20080268791Systems And Methods For Connecting Life Experiences And Shopping Experiences - Systems and methods of connecting life experiences to a shopping experience are disclosed. An exemplary embodiment of a method includes receiving user-input identifying at least one position in a life experiences continuum. The method also includes recalling digital content for the shopping experience based on the at least one position selected by the user in the life experiences continuum.10-30-2008
20120258674SESSION MANAGER AND SOURCE INTERNET PROTOCOL (IP) ADDRESS SELECTION - Embodiments contemplate one or more Session Manager and/or source IP address selection techniques. Embodiments contemplate that a session manager may establish a session in a wireless communication environment based on one or more policies specified by a policy manager. The session manager may also delete the session. For example, the session may be deleted in response to receipt of a request from an application. The session manager may store a session description for the session. The session manager may also perform source IP selection for a data plane. The session manager may also provide an MC transport with IP addresses for negotiating additional sub-flows.10-11-2012
20100297955METHOD AND APPARATUS OF RESOLVING PCI CONFUSION FOR PROVIDING INBOUND MOBILITY TO CLOSED SUBSCRIBER GROUP - Method and apparatus for providing inbound mobility to closed subscriber group (CSG) and hybrid cells are described. A wireless transmit/receive unit (WTRU) reads the cell global identity (CGI) of a neighbor cell and reports it to a network of CSG cells. The network maps the CSG cell's physical cell identity (PCI) to the CSG CGI and, if required, requests the WTRU to read the CGI at handover.11-25-2010
20100317299SYSTEM AND METHOD FOR ADJACENT CHANNEL POWER DETECTION AND DYNAMIC BANDWIDTH FILTER CONTROL - A system for detecting and minimizing interference in a radio receiver includes a plurality of bandpass filters having different response characteristics, a power detector configured to compare a power output of a first bandpass filter and a second bandpass filter, and logic to cascade a third bandpass filter when the difference in power output between the power output of the first bandpass filter and the power output of the second bandpass filter exceeds a threshold amount.12-16-2010
20130157584Pumped distributed wave oscillator system - A Pumped Distributed Wave Oscillator (PDWO) that provides a high purity accurate signal source with multiple oscillation phases. High-accuracy, high-frequency oscillation phases open paths to high performance phased-array transceiver design. Additional noise-canceling, noise-shaping circuit techniques result in enhanced sensitivity in radio design.06-20-2013
20130157585Systems and Methods for Preparing a Telecommunication Network for Providing Services - Systems and methods for preparing a telecommunication network for communicating with a client by provisioning the telecommunications system for providing services to the client in accordance with provisioning information provided by the client. Provisioning information may be updated in the network using provisioning information provided by the client and vice versa. One criteria for updating provisioning information includes determining which provisioning information is the most recent.06-20-2013
20130157586WIRELESS COMMUNICATION APPARATUS AND CONTROL METHOD THEREFOR - A wireless communication apparatus for performing wireless communication using an antenna selected from a plurality of antennas. A received power detection unit detects received power received by an antenna selected from the plurality of antennas. A reflected power detection unit detects transmitted reflected power of the selected antenna. A switching unit switches an antenna used for communication to another antenna based on a variation of the received power detected by the received power detection unit and an amount of electric power of the reflected power detected by the reflected power detection unit.06-20-2013
20130157587INTEGRATED CIRCUIT COMPRISING AN INTEGRATED TRANSFORMER OF THE "BALUN" TYPE WITH SEVERAL INPUT AND OUTPUT CHANNELS - An integrated circuit includes an integrated transformer of the balanced-to-unbalanced type with N channels, wherein N is greater than 2. The integrated transformer includes, on a substrate, N inductive circuits that are mutually inductively coupled, and respectively associated with N channels.06-20-2013
20130157588POWER MANAGEMENT UNIT FOR CONFIGURABLE RECEIVER AND TRANSMITTER AND METHODS FOR USE THEREWITH - A configurable transceiver includes an RF receiver that generates a stream of inbound data from at least one received RF signal, wherein the RF receiver is configurable in response to a control signal. An RF transmitter generates at least one RF signal from a stream of outbound data, wherein the RF transmitter section is configurable in response to the control signal. A configuration controller generates the control signal based on channel data. A power management unit generates at least one receiver supply signal and at least on transmitter supply signal in accordance with a plurality of power consumption parameters, and wherein the power management unit adjusts at least one of the plurality of power consumption parameters based on the control signal.06-20-2013
20120282865SIGNAL TRANSCEIVING MODULE - A signal transceiving module includes: a first antenna; a first signal port; and a first processing circuit coupled to the first signal port and arranged to detect a first signal quality of a first received signal received from the first signal port and determine if the first antenna is coupled to the first signal port correctly according to at least the first signal quality.11-08-2012
20090054005System for providing intermittent communication without compromising a sterile field - A system for providing intermittent communication while preserving a sterile area is provided. Sterility is preserved because the user can switch between transmitting and receiving mode without needing to touch a physical button, switch, or dial. The system is particularly valuable to doctors or dentists performing procedures. The system includes a two-way communication device coupled with a sensor, the sensor being capable of detecting the presence of an object, generally the user's hand or an instrumentality of the user, located closer than a predetermined distance from the sensor in a predetermined direction relative to the sensor. Upon such detection, the communication device is switched from receiving to tranmitting mode and remains in transmitting mode until a predetermined amount of time has elapsed since the object has ceased to be located within the predetermined distance in the predetermined direction of the sensor.02-26-2009
20130122824SYSTEMS AND METHODS FOR PROTECTING MICROELECTROMECHANICAL SYSTEMS SWITCHES FROM RADIO-FREQUENCY SIGNALS USING SWITCHING CIRCUITRY - Electronic devices may be provided that contain wireless communication circuitry. The wireless communications circuitry may include microelectromechanical systems (MEMS) switches that receive radio-frequency antenna signals from antennas. The wireless communications circuitry may include switching circuitry interposed between the MEMS switches and the antennas. The switching circuitry may protect the MEMS switches from radio-frequency signals that are received by the antennas by temporarily isolating the MEMS switches from the radio-frequency signals during MEMS switch configuration processes. The switching circuitry may include a crossbar switch formed from solid state circuitry. The wireless communications circuitry may include control circuitry that controls the MEMS switches and the switching circuitry. The control circuitry may direct the switching circuitry to temporarily disconnect a selected MEMS switch from the antennas and direct the selected MEMS switch to switch from a first configuration to a second configuration while the MEMS switch is disconnected from the antennas.05-16-2013
20130122826Wireless Communication Apparatus, Wireless Communication System, Wireless Communication Method and Program - A wireless communication apparatus is provided that performs wireless communication using a specified wireless channel and forms part of an ad hoc wireless network. The device includes a recording portion that records country ID information and recording-time information in to a storage medium, where the recording-time information indicates the time at which the country ID information was recorded in to the storage medium, a time determination portion that uses the recording-time information to determine whether a predetermined time period has elapsed from the time at which the country ID information was recorded, and a channel setting portion that, when the predetermined time period has not elapsed from the time at which the country ID information was recorded in the storage medium, sets a wireless channel to a frequency channel that can be used in the country indicated by the country ID information recorded in the storage medium.05-16-2013
20110312286Activating Dormant Wireless Circuitry Using Motion or Incident Light - A wireless device includes a controller and a wireless transceiver where the controller is operative to place the wireless transceiver in a low power consumption mode based on predefined energy saving control policy. In one embodiment, the wireless device includes an accelerometer generating an output signal indicative of motion or vibration of the wireless device where the output signal of the accelerometer is applied to cause the wireless transceiver to exit from the low power consumption mode. In another embodiment, the wireless device includes a photovoltaic module generating an output voltage signal indicative of incident light impinging on the photovoltaic module where the output voltage signal of the photovoltaic module is applied to cause the wireless transceiver to exit from the low power consumption mode.12-22-2011
20120021698MONITORING SYSTEM FOR A DOPPLER TRANSCEIVER - The invention relates to a method for monitoring the integrity of a Doppler transceiver, where a Doppler transceiver comprises a transmitter unit, a receiver unit and a mixer unit, where a signal is transmitted from the transmitter characterized in that the transmitted signal is at least partially coupled into a modulation unit, where the coupled signal is modulated according to certain parameters, and the modulated signal is transmitted to the receiver unit. The invention also relates to a Doppler transceiver comprising a transmitter unit and a receiver unit having at least one antenna (01-26-2012
20120021697RADIO FREQUENCY SIGNAL PROCESSING CIRCUIT AND QUADRATURE POWER AMPLIFIER - A quadrature power amplifier capable of operating in a single-output mode and a multiple-output mode. When operating in the single-output mode, a first quadrature coupler receives a first input signal, and splits and phase-shifts the first input signal into two first split signals. A first power amplifier receives and amplifies one of the two first split signals to generate a first amplified signal. The second power amplifier receives and amplifies the other one of the two first split signals to generate a second amplified signal. The second quadrature coupler receives the first amplified signal and the second amplified signal, and phase-shifts and combines the first amplified signal and the second amplified signal into a first output signal.01-26-2012
20120021696DATA CARD WITH USB FUNCTION - A data card includes a main chip, a switch, and an input/output interface. The input/output interface receives a voltage signal and a control signal, and transmits the voltage signal and the control signal to the switch. When the control signal is a first control signal, the switch switches on, and the voltage signal is transmitted to the main chip via the switch, causing the main chip to enable a universal serial bus (USB) function of the data card. When the control signal is a second signal, the switch switches off, and no voltage signal is supplied to the main chip, causing the main chip to disable the USB function.01-26-2012
20120021695Method and Apparatus for Improving Efficiency in a Power Supply Modulated System - A radio is presented that has a processor, memory, modulator and a power amplifier. An envelope of a signal to be transmitted is used by the processor to control modulation of the voltage of the power amplifier by the modulator between a desired minimum voltage and a desired maximum voltage. Using the memory, the desired minimum voltage is determined from the desired maximum voltage and these voltages are less than nominal minimum and maximum voltage, respectively. The desired minimum voltage is tailored for the radio and takes into account environmental conditions to optimize operating conditions for the radio. If the range of voltages would exceed the dynamic range of the radio, the modulation provided by the modulator is controlled by the processor in steps until the desired minimum and maximum voltages are achieved.01-26-2012
20130196607LEVEL SHIFT CIRCUIT - A level shift circuit includes a first pair of transistors of the first conductive type (M08-01-2013
20130196606UPLINK POWER CONTROL IN COORDINATED MULTI-POINT WIRELESS COMMUNICATION SYSTEM - A wireless communication device includes a transceiver and a processor configured to determine a path loss between each of a plurality of communication nodes and the wireless communication device, determine an effective path loss based on the path loss determined for the each of the plurality of communication nodes and based on a corresponding weight for each of the plurality of communication nodes, and configured to determine a transmit power of the wireless communication device based on the effective path loss.08-01-2013
20130196608Coaxial Resonator, and Dielectric Filter, Wireless Communication Module, and Wireless Communication Device Employing the Coaxial Resonator - A coaxial resonator includes a first outer conductor connected to a reference potential; a dielectric block which is provided with a through hole formed so as to pass therethrough from a first side surface to a second side surface opposed to the first side surface, and is so disposed that a first main surface abuts on the first outer conductor; an inner conductor disposed in an inside of the through hole; and a second outer conductor which is shaped like a rectangular box having its one face which is opened toward the first outer conductor, the second outer conductor having an inside dimension such that the dielectric block can be housed therein so as to be spaced from its second main surface, third side surface, and fourth side surface, and being connected to the reference potential.08-01-2013
20130203363Personal Communications Device with Reduced Adverse Effects on Living Systems - Personal communications devices and associated methods are described which are arranged to reduce a bio-effective impact on a user due to the associated radio frequency communication signals. One such device (08-08-2013
20130095770METHOD AND SYSTEM FOR HIGH-THROUGHPUT AND LOW-POWER COMMUNICATION LINKS IN A DISTRIBUTED TRANSCEIVER NETWORK - A device comprises a plurality of distributed transceivers, a plurality of distributed beamformers, a baseband processor, and a network management engine. The distributed transceivers perform beamforming in a radio frequency band. The distributed beamformers, however, performs beamforming in an intermediate frequency band. Each of the distributed transceivers is coupled to a corresponding one of the distributed beamformers. Each transceiver-beamformer pair is coupled to the baseband processor utilizing a same communication medium such as a cable. For transmission, a data stream generated at baseband is converted to intermediate frequencies. With a low-power transmission, the distributed beamformers transmit the data stream wirelessly in the intermediate frequencies to a receiving device. With a normal-power transmission, the distributed transceivers transmit the data stream to the receiving device in the radio frequency band. The transceivers and the beamformers are turned OFF whenever not being used. A high-throughput communication link may be established through resource sharing.04-18-2013
20120094616RADIO BASE STATION AND CORRECTION VALUE CALCULATING METHOD - In response to degradation of precision of E-SINRs caused by using first and second conversion tables, a correction value calculating apparatus (04-19-2012
20120094615Wireless Communication System Using Surface Acoustic Wave (SAW) Second Harmonic Techniques - A system is for encoding information on a passive surface acoustic wave (SAW) device. The system includes a requesting unit configured to wirelessly transmit an impulse signal. The impulse signal is a signal that includes only a single pulse. A SAW device has an interdigital transducer (IDT) configured to physically store coded data. The SAW device is configured to receive the impulse signal. In response to receiving the impulse signal, the SAW device excites the IDT to generate a coded signal that includes the stored coded data and frequency components at a fundamental frequency.04-19-2012
20120094614Signal transmission apparatus, electronic device, and signal transmission method - A signal transmission apparatus including: a plurality of modulating sections configured to modulate a transmission object signal; and a plurality of demodulating sections configured to demodulate the modulated signals modulated by the modulating sections, wherein each of carrier frequencies as frequencies different from each other used by respective sets of the modulating sections and the demodulating sections is set such that frequency of a third-order intermodulation distortion component generated on a basis of two carrier frequencies adjacent to each other is not present within any of reception bands of modulated signals based on each of the other carrier frequencies.04-19-2012
20120094613TEMPERATURE DEPENDENT VOLTAGE REGULATOR - Systems and methods for reducing power consumption of a voltage regulator are disclosed. In accordance with one embodiment of the present disclosure a voltage regulator comprises an input node configured to receive a reference voltage and an output node configured to output an output voltage. The output voltage is a function of the reference voltage and a regulating current. The regulator further comprises a proportional to absolute temperature (PTAT) circuit coupled to at least one of the output node and the input node. The PTAT circuit is configured to vary at least one of the reference voltage and the regulating current as a function of temperature.04-19-2012
20120094612ELECTRONIC SYSTEM AND CONTROLLING METHOD THEREOF - An electronic system includes a first wireless transceiving module having a device identification code and a portable device. The portable device may include a second wireless transceiving module, a storage module, and a processor. The second wireless transceiving module obtains the device identification code from the first wireless transceiving module. The storage module may store at least one set of data, wherein each set of data may comprise a pre-built identification code and a corresponding pre-assigned instruction. When the second wireless transceiving module obtains the device identification code from the first wireless transceiving module, the processor may be able to search for the at least one set of data to check whether the device identification code matches to the pre-built identification code stored in the storage module; and when the device identification code matches to the pre-built identification code, the processor may automatically execute the corresponding pre-assigned instruction.04-19-2012

Patent applications in class TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER)

Patent applications in all subclasses TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER)