| BROADCOM CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20120034950 | RF INTEGRATED CIRCUIT WITH TRANSMITTER AND MULTIPURPOSE OUTPUT PORTS AND METHODS FOR USE THEREWITH - An RF integrated circuit (IC) includes a first IC port for coupling a first transmit signal in a first frequency band to at least one external device and a second IC port for coupling a second transmit signal in a second frequency band to the at least one external device. A transmitter module responds to outbound data to generate the first transmit signal in a first mode of operation and to generate the second transmit signal in a second mode of operation, wherein the transmitter module generates the first transmit signal and the second transmit signal in a selected one of a plurality of wireless telephony formats based on a control signal, and wherein the plurality of wireless telephony formats includes a UMTS format and at least one non-UMTS format. | 02-09-2012 |
| 20120034872 | APPARATUS AND METHOD FOR GENERATING RF WITHOUT HARMONIC INTERFERENCE - A transmitter capable of operating according to a first standard that does not interfere with a nearby frequency generator operating according to a second standard. The transmitter comprises an oscillator, a frequency divider, a mixer, and a filter. The oscillator is configured to output a first frequency that is outside of a frequency harmonic of the frequency generator. The frequency divider is coupled to the oscillator and divides the first frequency by a selective divide ratio to produce a second frequency. The mixer is configured to receive the first and second frequencies, which combines them to produce a mixed frequency. The filter is then used to filters the mixed frequency to obtain the higher portion of the mixed frequency. The divide ratio of the frequency divider is selected base on the desired output frequency of the transmitter such that a 2.4 GHz or 5 GHz ISM band frequency is achieved. | 02-09-2012 |
| 20120034871 | INTRA-DEVICE RF BUS AND CONTROL THEREOF - A device includes a first integrated circuit, a second integrated circuit and an RF bus controller. Each of the first and second ICs includes a radio frequency (RF) bus transceiver. The RF bus controller is coupled to control intra-device RF communications between the RF bus transceivers of the first and second ICs. | 02-09-2012 |
| 20120034869 | DUAL BAND ANTENNA AND METHODS FOR USE THEREWITH - A dual band antenna includes a far field antenna structure for facilitating the communication of first data with a remote device via far field signaling in a millimeter wave band. A near field antenna structure facilitates the communication of second data with a remote device via near field signaling in a near field band. The far field antenna structure and the near field antenna structure share at least one common antenna element. | 02-09-2012 |
| 20120033592 | Explicit feedback format within single user, multiple user, multiple access, and/or MIMO wireless communications - Explicit feedback format within single user, multiple user, multiple access, and/or MIMO wireless communications. A beamformer provides a first communication to a beamformee, and based thereon, the beamformee may ascertain certain characteristics associated with the type and format of feedback to be provided to the beamformee via a second communication from the beamformee to the beamformer. For example, the first communication may include indication of a current operational mode, such as whether it is in accordance with single-user multiple input multiple output (SU-MIMO) or multi-user multiple-input-multiple-output (MU-MIMO). Also, the first communication may indicate a requested steering matrix's rank to be employed in accordance with subsequent beamforming by the beamformer. Also, additional information such as that pertaining to per-tone SNR values for each respective space-time stream, per-tone or per-sub-band eigen-values, the particular channel width being employed (e.g., 20, 40, 80, or 160 MHz), etc. may be included within the second communication. | 02-09-2012 |
| 20120032722 | Offset Calibration for Amplifiers - An apparatus, a method, and a system are provided to calibrate an offset in an amplifier. The apparatus can include an amplifier, a voltage control unit, a comparator, and a processing unit. The amplifier can have four terminals: a positive differential input (V | 02-09-2012 |
| 20120030451 | PARALLEL AND LONG ADAPTIVE INSTRUCTION SET ARCHITECTURE - An Parallel and Long Adaptive Instruction Set Architecture (PALADIN) is provided to optimize packet processing. The Instruction Set Architecture (ISA) includes instructions such as aggregate comparison, comparison OR, comparison AND and bitwise instructions. The ISA also includes dedicated packet processing instructions such as hash, predicate, select, checksum and time to live adjust, move header left, post, move header left/right and load/store header/status. | 02-02-2012 |
| 20120030320 | NETWORK POWER MANAGEMENT - A system for managing energy efficiency and control mechanisms in a computer network having a plurality of network components is provided. The system includes a network power manager (NPM) coupled to at least one of the plurality of network components. The NPM is configured to receive and analyze power information from at least one of the plurality of the network components. The NPM is further configured to generate configuration instructions based on the analyzing of the power information and send the configuration instructions to at least one of the network components. | 02-02-2012 |
| 20120028677 | COMMUNICATION DEVICES WITH GYRATING CIRCUITS AND METHODS FOR USE THEREWITH - A device includes a 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. | 02-02-2012 |
| 20120027074 | Summer Block For A Decision Feedback Equalizer - Embodiments of a summer block for a Decision Feedback Equalizer are provided herein. The summer block is configured to offset a combination of a Feed Forward Equalized (FFE) data signal and a Feedback Equalized (FBE) data signal by a dc amount. The dc amount is based on at least a weight of a tap previously implemented with an FBE of the DFE. The summer block can be further configured to offset the combination of the FFE data signal and the FBE data signal based on a dc offset value necessary to compensate for asymmetries in the data eye of data received by the FFE over a channel and a dc offset value necessary to compensate for mismatches present in the circuits of the DFE. | 02-02-2012 |
| 20120027018 | Distributed Switch Domain of Heterogeneous Components - A method of integrating virtual and physical network switching components into a heterogeneous switching domain is provided. Such method including, attaching, by a switching device, a header to a packet received from a virtual machine, the header including domain information, and processing the packet by the switching device, the processing being controlled by the header. Finally, the packet is forwarded, the forwarding being controlled by the header. | 02-02-2012 |
| 20120026133 | ANTENNA INCLUDING ELEMENTS OF AN INDUCTIVE TOUCH SCREEN AND COMMUNICATION DEVICE FOR USE THEREWITH - An antenna includes an antenna section and a ground plane. The ground plane includes a plurality of inductors that provide a high impedance at the operating frequency of the antenna. The plurality of inductors are implemented via a plurality of inductive elements of an inductive touch screen. | 02-02-2012 |
| 20120025910 | Switching amplifier with enhanced supply rejection and related method - Disclosed is a switching amplifier having an enhanced supply rejection. The switching amplifier comprises a digital modulator that provides a modulated signal. The switching amplifier further comprises a closed-loop analog driver that is coupled to the digital modulator. As disclosed, the closed-loop analog driver is configured to re-modulate a modulation signal that corresponds to the modulated signal. An output stage of the switching amplifier is driven by the re-modulated signal, thereby providing enhanced supply rejection. In one embodiment, the modulated signal is produced by a digital pulse-width modulator (PWM) circuit of a Class-D amplifier, and has a pulse rate substantially less than a clock rate of the digital PWM circuit. In one embodiment, the switching amplifier is implemented as an audio amplifier in a mobile communication device such as a cellular telephone. | 02-02-2012 |
| 20120021723 | System and Method for Protecting Data in a Synchronized Environment - A system includes a mobile device providing a plurality of applications and an agent providing first and second authentication procedures for authenticating a user of the mobile device to first and second applications running on the mobile device. A first application is enabled by authenticating a user through a first authentication procedure, and a second application is enabled by authenticating a user through a second authentication procedure. The agent authenticates the user to the first application following the first authentication procedure, and the agent authenticates the user to the second application following the second authentication procedure. | 01-26-2012 |
| 20120021713 | Concurrent impedance and noise matching transconductance amplifier and receiver implementing same - According to one embodiment, a concurrent impedance and noise matching transconductance amplifier designed for implementation in a receiver comprises an input device configured to couple to a matching network of the receiver, and a boost capacitor connected to the input device to increase an input capacitance of the transconductance amplifier. The boost capacitor is selected to substantially minimize the receiver noise and to enable the concurrent impedance and noise matching of the receiver and the matching network. In one embodiment, the receiver comprises the transconductance amplifier to provide an amplified receive signal, and a mixer to produce a down-converted signal corresponding to the amplified receive signal, wherein the mixer is coupled to the transconductance amplifier by a blocking capacitor. The blocking capacitor is selected to substantially increase an amplitude ratio of the down-converted signal to the amplified receive signal to substantially increase the front-end gain of the receiver. | 01-26-2012 |
| 20120021712 | Compact low-power receiver including transimpedance amplifier, digitally controlled interface circuit, and low pass filter - According to one embodiment, a compact low-power receiver comprises first and second analog circuits connected by a digitally controlled interface circuit. The first analog circuit has a first direct-current (DC) offset and a first common mode voltage at an output, and the second analog circuit has a second DC offset and a second common mode voltage at an input. The digitally controlled interface circuit connects the output to the input, and is configured to match the first and second DC offsets and to match the first and second common mode voltages. In one embodiment, the first analog circuit is a variable gain control transimpedance amplifier (TIA) implemented using a current mode buffer, the second analog circuit is a second-order adjustable low-pass filter, whereby a three-pole adjustable low-pass filter in the compact low-power receiver is effectively produced. | 01-26-2012 |
| 20120021699 | Compact low-power receiver architecture and related method - According to one embodiment, a compact low-power receiver comprises a front-end producing a front-end gain and a back-end producing a back-end gain. The front-end includes a transconductance amplifier providing digital gain control and outputting an amplified receive signal, a mixer for generating a down-converted signal from the amplified receive signal, and a transimpedance amplifier (TIA) including a current mode buffer. The TIA provides gain control for amplifying the down-converted signal to produce a front-end output signal. In one embodiment, the back end includes a second-order low-pass filter to produce a filtered signal from the front-end output signal and an analog-to-digital converter (ADC), wherein the filtered signal is fed directly to the ADC without direct-current (DC) offset cancellation being performed. In various embodiments, the front-end gain is substantially greater than the back-end gain. | 01-26-2012 |
| 20120020389 | Distortion cancellation in radio receivers using I/Q correction - A technique to remove second order and third order nonlinearity distortions caused by a blocker signal at an input of a radio receiver. An envelope detector is utilized at an input of the RF front-end of the receiver to obtain a magnitude of the overall signal. The output of the envelope detector is then processed at baseband to estimate coefficients that relate to the distortion. Once the coefficients are obtained, the coefficients are applied at an I/Q imbalance correction stage to also correct for the distortion by cancelling the distortion from the received signal. | 01-26-2012 |
| 20120020256 | Method and System for Time Synchronization of WiMAX and LTE-TDD Networks - Embodiments of a method and system for supporting co-existence of first and second cellular networks in adjacent channels in the same geographical area are provided. The method and system synchronize the two cellular networks such that their respective uplink transmissions are aligned in time and their respective downlink transmissions are aligned in time. Such synchronization prevents (or substantially prevents) the uplink transmissions from one of the two cellular networks from overlapping with the downlink transmissions of the other cellular network, and vice versa, thereby mitigating interference between the two networks. | 01-26-2012 |
| 20120018843 | Scalable Integrated Circuit High Density Capacitors - The present invention provides several scalable integrated circuit high density capacitors and their layout techniques. The capacitors are scaled, for example, by varying the number of metal layers and/or the area of the metal layers used to from the capacitors. The capacitors use different metallization patterns to form the metal layers, and different via patterns to couple adjacent metal layers. In embodiments, optional shields are included as the top-most and/or bottom-most layers of the capacitors, and/or as side shields, to reduce unwanted parasitic capacitance. | 01-26-2012 |
| 20120014423 | Peak detector having extended dynamic range - According to one embodiment, a peak detector having extended dynamic range comprises a first differential output coupled to a supply voltage of the peak detector by a first load and coupled to ground by first and second switching devices, and a second differential output coupled to the supply voltage by a second load and coupled to ground by third and fourth switching devices. The control terminals of the first, second, third, and fourth switching devices receive a common bias voltage, and the respective first and second control terminals are configured as differential inputs of the peak detector. In some embodiments, corresponding first power terminals of the first and second switching devices share a first common node further shared by the first differential output, and corresponding first power terminals of the third and fourth switching devices share a second common node further shared by the second differential output. | 01-19-2012 |
| 20120014364 | WLAN TRANSMITTER HAVING HIGH DATA THROUGHPUT - A wireless local area network (WLAN) transmitter includes a baseband processing module and a plurality of radio frequency (RF) transmitters. The processing module selects one of a plurality of modes of operation based on a mode selection signal. The processing module determines a number of transmit streams based on the mode selection signal. The processing of the data further continues by converting encoded data into streams of symbols in accordance with the number of transmit streams and the mode selection signal. A number of the plurality of RF transmitters are enabled based on the mode selection signal to convert a corresponding one of the streams of symbols into a corresponding RF signal such that a corresponding number of RF signals is produced. | 01-19-2012 |
| 20120014200 | Multi-Time Programmable Memory - Embodiments extend the capability of fuse elements, anti-fuse elements, and combinations thereof to enable multi-time programmable memory elements. Accordingly, embodiments significantly reduce area requirements and control circuitry complexity of memory elements. Embodiments can be used in non-volatile memory storage, for example, and are suitable for use in system on chip (SoC) products. | 01-19-2012 |
| 20120013402 | Closed-loop class-d amplifier with modulated reference signal and related method - Disclosed is a closed-loop class-D amplifier circuit including a modulated reference signal generator that provides a modulated reference signal in a feed-forward path, where the reference signal is modulated corresponding to an input signal. The closed-loop class-D amplifier circuit further includes a comparator to generate a control signal based on a comparison of the modulated reference signal and a correction signal, which in turn is produced by filtering a combination of the input signal and a feedback signal. The closed-loop class-D amplifier circuit also includes a pulse generator to generate a pulse-width-modulated signal to drive an output stage of the closed-loop class-D amplifier based on the control signal. | 01-19-2012 |
| 20120010882 | CONSTRAINED AND CONTROLLED DECODING AFTER PACKET LOSS - A technique is described herein for reducing audible artifacts in an audio output signal generated by decoding a received frame in a series of frames representing an encoded audio signal in a predictive coding system. In accordance with the technique, it is determined if the received frame is one of a predefined number of received frames that follow a lost frame in the series of the frames. Responsive to determining that the received frame is one of the predefined number of received frames, at least one parameter or signal associated with the decoding of the received frame is altered from a state associated with normal decoding. The received frame is then decoded in accordance with the at least one parameter or signal to generate a decoded audio signal. The audio output signal is then generated based on the decoded audio signal. | 01-12-2012 |
| 20120009899 | NETWORK OR ACCESS POINT HANDOFF BASED UPON HISTORICAL PATHWAY - A device for handing off a wireless connection can include a receiver configured to receive a communication signal from a wireless device within a first wireless cell, a first processor configured to determine communication information regarding the first wireless cell, and a storage unit configured to store directional information regarding the first wireless cell. In addition, the device can have a transmitter configured to transmit the directional information to a wireless device located within the first wireless cell, and a second processor configured to provide wireless connection to the wireless device through the receiver and the transmitter. The second processor can Handoff the wireless connection to a second wireless cell. | 01-12-2012 |
| 20120009885 | INTEGRATED 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 |
| 20120008701 | PHASE INTERPOLATOR BASED TRANSMISSION CLOCK CONTROL - A system and method is provided for phase interpolator based transmission clock control. The system includes a transmitter having a phase interpolator coupled to a master timing generator and a transmission module. The phase interpolator is also coupled to a receiver interpolator control module and/or an external interpolator control module. When the system is operating in repeat mode, the transmitter phase interpolator receives a control signal from a receiver interpolator control module. The transmitter phase interpolator uses the signal to synchronize the transmission clock to the sampling clock. When the system is operating in test mode, a user defines a transmission data profile in an external interpolator control module. The external interpolator control module generates a control signal based on the profile. The transmitter phase interpolator uses the signal to generate a transmission clock that is used by the transmission module to generate a data stream having the desired profile. | 01-12-2012 |
| 20120008610 | MIXED MODE PREAMBLE FOR MIMO WIRELESS COMMUNICATIONS - A preamble of a frame for a multiple input multiple output (MIMO) wireless communication for a first transmit antenna of the MIMO communication includes a legacy preamble portion in accordance with a legacy wireless communication protocol. The preamble of the frame for the MIMO wireless communication for the first transmit antenna also includes a current protocol preamble portion in accordance with a protocol of the MIMO wireless communication. The preamble of a frame for at least a second antenna of the MIMO communication includes a cyclically shifted legacy preamble portion for the frame. The preamble of the frame for the MIMO wireless communication for the second transmit antenna also includes a second current protocol preamble portion in accordance with a protocol of the MIMO wireless communication. | 01-12-2012 |
| 20120008539 | System, Method, and Computer Program Product for Facilitating Communication Between Devices Implementing Proprietary Features in a DOCSIS-Compliant Broadband Communication System - A system, method and computer program product that facilitates communication between devices that implement at least one proprietary feature in a DOCSIS-compliant broadband communication system. A logical channel is established for communication between a first device, such as a cable modem termination system (CMTS), that implements at least one proprietary feature, and other devices that also implement the at least one proprietary feature. Registration information is then received from a second device, such as a cable modem, wherein the registration information indicates that the second device also implements the at least one proprietary feature. In response to receiving the registration information, the second device is assigned to the logical channel. | 01-12-2012 |
| 20120008240 | High efficiency amplifier with reduced electromagnetic interference - Disclosed is a high efficiency amplifier operable to substantially reduce electromagnetic interference (EMI). The high efficiency amplifier comprises an output stage to provide a high powered signal to a load. The high efficiency amplifier further comprises an overlap protection circuit to produce a timing non-overlap in a control signal for the output stage, and an edge control circuit to reduce a transient portion of the high powered signal to substantially reduce the EMI. The overlap protection circuit and the edge control circuit may be implemented with resistive source degeneration. Also disclosed is a related method. In one embodiment, the high efficiency amplifier and the related method may be incorporated into a cellular telephone or a mobile audio device. | 01-12-2012 |
| 20120007756 | Digital signal processing based de-serializer - A DSP based SERDES performs compensation operations to support high speed de-serialization. A receiver section of the DSP based SERDES includes one or more ADCs and DSPs. The ADC operates to sample (modulated) analog serial data and to produce digitized serial data (digital representation of the modulated analog serial data). The DSP communicatively couples to the ADC and receives the digitized serial data. Based upon the known characteristics of the digitized serial data and the digitized serial data itself, the DSP determines compensation operations to be performed upon the serial data to compensate for inadequacies of the receiver and/or channel response. These compensation operations may be (1) performed on the analog serial data before digitization by the ADC; (2) applied to the ADC to modify the operation of the ADC; and/or (3) performed on the digitized serial data by the DSP or another device. | 01-12-2012 |
| 20120007715 | MULTI-MODE RFID TAG ARCHITECTURE - A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers. | 01-12-2012 |
| 20120007640 | Multi-Channel Multi-Protocol Transceiver With Independent Channel Configuration Using Single Frequency Reference Clock Source - A circuit for producing one of a plurality of output clock frequencies from a single, constant input reference clock frequency. The circuit comprises a reference clock system and a phase lock loop. The reference clock system includes a bypass path, a divider path including a first integer divider, and a multiplexer. A divisor of the first integer divider is based on a selected communications protocol of a group of possible communications protocols. The multiplexer is configured to route the bypass path or the divider path based on the selected communications protocol. The phase lock loop includes a voltage controlled oscillator and a feedback path. The feedback path includes a second integer divider. A divisor of the second integer divider is based on the selected communications protocol. The reference clock system is configured to receive a constant reference clock frequency. The voltage controlled oscillator is configured to produce one of a plurality of output clock frequencies corresponding to the selected communications protocol. The selected output clock frequency is produced based on at least one of the routing of the multiplexer, the divisor of the first integer divider, and the divisor of the second integer divider. | 01-12-2012 |
| 20120007215 | ON-CHIP CAPACITOR STRUCTURE - At least a first capacitor is formed on a substrate and connected to a first differential node of a differential circuit, and the first capacitor may be variable in capacitance. A second capacitor is formed on the substrate and connected to a second differential node of the differential circuit, and the second capacitor also may be variable. A third capacitor is connected between the first differential node and the second differential node, and is formed at least partially above the first capacitor. In this way, a size of the first capacitor and/or the second capacitor may be reduced on the substrate, and capacitances of the first and/or second capacitor(s) may be adjusted in response to a variable characteristic of one or more circuit components of the differential circuit. | 01-12-2012 |
| 20120004919 | THREE-DIMENSIONAL GLASSES WITH BLUETOOTH AUDIO DECODE - Audio associated with three-dimensional image content is enabled to be heard by a user without interfering with other users. A device network includes a display system (master) and a wearable device (slave). The wearable device includes a glasses frame, earphones, and left and right eye shuttering lenses. The wearable device receives from the display system a frame sync signal and audio content associated with three-dimensional image content displayed by the display system as alternating left and right images. The audio content is played using the earphone. The left and right eye shuttering lens are shuttered in synchronism with the alternating left and right images according to the frame sync signal to enable a wearer of the wearable device to perceive the alternating left and right images as a three-dimensional image. Additional wearable devices may join the device network to be delivered independent audio and three-dimensional content in a similar manner. | 01-05-2012 |
| 20120002713 | MULTI-PROTOCOL COMMUNICATIONS RECEIVER WITH SHARED ANALOG FRONT-END - According to an example embodiment, a communications receiver may include a variable gain amplifier (VGA) configured to amplify received signals, a VGA controller configured to control the VGA, a plurality of analog to digital converter (ADC) circuits coupled to an output of the VGA, wherein the plurality of ADC circuits are operational when the communications receiver is configured to process signals of a first communications protocol, and wherein only a subset of the ADC circuits are operational when the communications receiver is configured to process signals of a second communications protocol. | 01-05-2012 |
| 20120001802 | RECEIVER INCLUDING A MATRIX MODULE TO DETERMINE ANGULAR POSITION - A receiver includes an antenna array, a plurality of phase shifters, a matrix module, a low noise amplifier module, and a down conversion module. The antenna array is coupled to receive an inbound wireless signal. The plurality of phase shifters is coupled to the antenna array and to produce a plurality of phase shifted inbound wireless signals. The matrix module is coupled to beamform the plurality of phase shifted inbound wireless signals to produce a plurality of beamformed and phase shifted inbound wireless signals having a radiation pattern that is aligned with an angular position of a source of the inbound wireless signal with respect to the receiver. | 01-05-2012 |
| 20110321099 | Television Channel Selection Canvas - A channel selection canvas for display on a video display device is disclosed. The video display device can be a television, a laptop computer, or personal digital assistant device. The channel selection canvas allows a user to preview and choose video signals to be watched. The channel selection canvas displays a set of television channel video thumbnails, which can be full motion video, slow motion video or sampled video snapshots. A channel selection canvas can also display video thumbnails for security cameras, baby monitors, video phones and the like. A channel selection canvas generator that generates channel selection canvases is also disclosed. The channel selection canvas generator can reside within a television, set top box or similar video processing device. | 12-29-2011 |
| 20110320989 | MINIMAL LEAKAGE-POWER STANDARD CELL LIBRARY - A minimal leakage power Standard Cell Library is provided. The minimal leakage power Standard Cell Library provides minimal leakage power cells with improved speed characteristics. The minimal leakage power Standard Cell Library includes cells from an existing Standard Cell Library and a set of minimal leakage power cells for a selected set of logic functions. The minimal leakage power Standard Cell Library is formed by identifying a set of logic functions. For each logic function in the identified set, a base case for an unfolded implementation of the logic function is determined. Widths for transistors in a transistor topology used in the unfolded implementation of the logic function are determined based on the non-linear leakage power characteristics for the transistor topology to achieve minimal leakage power. The determined widths are then assigned to the transistors and the minimal leakage cell is added to the library. | 12-29-2011 |
| 20110320841 | Method for power management of data buses in electronic devices - Provided are systems and methods for execution by a core of a peripheral component to provide power management for a data bus in a electronic device, suhc as a mobile electronic device. One method comprises determining whether a device in the peripheral component is inactive, transmitting a request for deactivation of at least one data channel to the device, receiving a command to deactivate the at least one data channel, determining whether any remaining devices in the peripheral component are active, and placing the peripheral component in a first low power mode wherein the core remains active in order to monitor a data bus clock. | 12-29-2011 |
| 20110320214 | DUAL STREAMING WITH EXCHANGE OF FEC STREAMS BY AUDIO SINKS - A system and method is described herein in which an audio source wirelessly transmits audio content to a first audio sink over one wireless link and to a second audio sink over another wireless link. The two audio sinks also exchange forward error correction (FEC) streams over a link between the two audio sinks, wherein the FEC streams are generated by FEC encoding the audio content received from the audio source. The audio sinks advantageously use the exchanged FEC information to synchronize the playback of the audio content as well as to improve the robustness of the wireless links with the audio source in a manner that does not consume additional bandwidth on those links. | 12-29-2011 |
| 20110320213 | TIME-WARPING OF DECODED AUDIO SIGNAL AFTER PACKET LOSS - A technique is described for use in a decoder configured to decode a series of frames representing an encoded audio signal. The technique is for transitioning between a lost frame and one or more received frames following the lost frame in the series of frames. In accordance with the technique, an output audio signal associated with the lost frame is synthesized. An extrapolated signal is generated based on the synthesized output audio signal. A time lag is calculated between the extrapolated signal and a decoded audio signal associated with the received frame(s), wherein the time lag represents a phase difference between the extrapolated signal and the decoded audio signal. The decoded audio signal is time-warped based on the time lag, wherein time-warping the decoded audio signal comprises stretching or shrinking the decoded audio signal in the time domain. | 12-29-2011 |
| 20110318885 | Thermally and Electrically Enhanced Ball Grid Array Package - In one embodiment, a method for assembling a ball grid array (BGA) package is provided. The method includes providing a stiffener that has opposing first and second surfaces, wherein the first surface is capable of mounting an integrated circuit (IC) die in a central area and forming a pattern in at least a portion of the first surface to enhance the adhesiveness of an encapsulant material to the first surface. | 12-29-2011 |
| 20110317723 | POWER LINE COMMUNICATIONS DEVICE TRANSMITTING AT DIFFERING POWER LEVELS IN SAME COMMUNICATION - A power-line communications (PLC) device communicates with a second PLC device via a PLC medium and includes a transmitter and a receiver. The transmitter transmits a Request to Send (RTS) communication to the second PLC device at a first power level. The receiver receives a Clear to Send (CTS) communication from the second PLC device. The transmitter transmits data to the second PLC device at a second power level that is less than the first power level. The transmitter transmits a TDM frame to the second PLC device that includes a preamble and header transmitted at a first power level and at least one special data symbol and a payload transmitted at a second power level that is less than the first power level. The special data symbol resides between the preamble or header and the payload and is usable by the second PLC device for processing of the payload. | 12-29-2011 |
| 20110317603 | Wireless Network Devices Configurable via Powerline Communications Networks - A communications device includes a wireless communications interface, a power line carrier (PLC) communications interface, and processing circuitry coupled to the wireless communications interface and to the PLC communications interface. The processing circuitry, in combination with at least one of the wireless communications interface and the PLC communications interface is operable to send a request for wireless communications interface operational parameters via the PLC communications interface, receive a response via the PLC communications interface, the response including wireless communications interface operational parameters corresponding to a wireless network, and configure wireless communications interface based upon response. In another operation, the processing circuitry is operable to listen for transmissions of at least one Wireless Access Point (WAP) of the wireless network. When transmissions of the at least one the WAP of the wireless network meets a sufficiency threshold, receive data service via the wireless communications interface and when the transmissions of the at least one the WAP of the wireless network fail to meet the sufficiency threshold, receive data service via the PLC communications interface. | 12-29-2011 |
| 20110316972 | DISPLAYING GRAPHICS WITH THREE DIMENSIONAL VIDEO - Methods, systems, and apparatuses are provided for enabling three-dimensional video and additional graphics to be displayed together without interference. A media content signal is received. The media content signal includes graphics overlay data representative of a graphics overlay, first image data representative of a first image, and second image data representative of a second image. The first and second images are representative of three-dimensional content. An interference is detected between the graphics overlay and the three-dimensional content in a three-dimensional view volume. At least one of the graphics overlay data, the first image data, or the second image data is modified to cause the graphics overlay and the three-dimensional content to be non-interfering. The non-interfering graphics overlay and three-dimensional content are enabled to be viewed by a viewer based on the modified graphics overlay data, first image data, and/or second image data. | 12-29-2011 |
| 20110316634 | HIGH SPEED LOW POWER MULTIPLE STANDARD AND SUPPLY OUTPUT DRIVER - A multi-mode driver and method therefore includes a plurality of amplifiers, an adjustable load block, and adjustable current supply circuitry that selectively adjusts current magnitudes supplied to at least one of the plurality of amplifiers. The multi-mode driver can operate in a KR mode with a higher voltage supply, an SR4 mode with the higher voltage supply, and an SFI mode with a lower voltage supply. To support these modes, the multi-mode driver selectively operates a plurality of amplifiers, adjusts current magnitudes supplied to the amplifiers, and selectively adjusts an adjustable load. Thus, the multi-mode driver is operable to selectively and efficiently produce high swing and low swing output signals and to efficiently operate with any one of a plurality of supplies. The driver includes selectable loads and parallel-coupled amplifier devices that are selected based on mode. | 12-29-2011 |
| 20110316629 | OFFSET CANCELLATION FOR DIFFERENTIAL CIRCUITS - An offset cancellation circuit for canceling an offset voltage in an amplifier is provided herein. The offset cancellation circuit includes a current source configured to provide an offset current, a switching stage comprising first and second switches, and a cascode stage. The cascode stage comprises a first cascode device configured to receive the offset current from the first switch and inject the offset current into a first differential end of the amplifier, and a second cascode device configured to receive the offset current from the second switch and inject the offset current into a second differential end of the amplifier. Offset voltages are common to many differential circuits as a result of mismatch. The injection of current by the offset cancellation circuit can reduce or eliminate an offset voltage, while the cascode stage can prevent parasitic capacitance associated with the offset cancellation circuit from creating further mismatch. | 12-29-2011 |
| 20110316139 | PACKAGE FOR A WIRELESS ENABLED INTEGRATED CIRCUIT - An integrated circuit (IC) device is provided. The IC device includes a substrate, an IC die coupled to the substrate, and a first wirelessly enabled functional block formed on the IC die. The first wirelessly enabled functional block is configured to wirelessly communicate with a second wirelessly enabled functional block formed on the substrate. | 12-29-2011 |
| 20110314506 | Point to multi-point wireless video delivery - Point to multi-point wireless video delivery. Among a group of receiver wireless communication devices (RXs), one is designated (e.g., as acknowledgment (ACK) leader). Media delivery operational parameters are selected based on the designated RX or based on all or a subset of the RXs. For simultaneous media delivery to multiple RXs, characteristics associated with the designated RX [or all, or a subset or RXs] govern the manner by which communications are made. Different respective RXs may be designated to serve in this role at different times. Wireless delivery of media (e.g., video signaling, audio signaling, etc.) to a group of RXs is effectuated in accordance with modified multicast signaling with a designated leader (e.g., ACK leader). Among a group of devices, a least successful receiving device that still receives media at an acceptable level may be chosen as the designated leader (e.g., ACK leader). | 12-22-2011 |
| 20110314350 | Method for Communicating Data in xDSL Using Data Retransmission - In one embodiment, a method for communicating data is provided. The method includes, defining a data transmission unit (DTU) to be sent in an xDSL data stream, defining a retransmit container as a time slot that corresponds to the DTU, maintaining a copy of the DTU and an index corresponding to the retransmit container in a retransmission buffer, transmitting the DTU in the xDSL data stream, determining whether the DTU should be retransmitted, and if the DTU should be retransmitted: identifying the DTU by the retransmit container and retransmitting a copy of the DTU as identified by the retransmit container before the DTU leaves the retransmission buffer. | 12-22-2011 |
| 20110314313 | Green Mode Data Buffer Control - Embodiments provide improved modes of control of banked data buffer architectures. Embodiments provide modes of control of a central buffer pool (CBP) of a memory management unit (MMU). Embodiments are enabled by a cell free address pool (CFAP) module. The CFAP module may be implemented according to a banked structure. The CFAP module provides CBP/CFAP bank arbitration for selecting enqueue data cells. The CFAP module includes a green mode control module for controlling the power up/down of CBP banks according to expected data traffic through the MMU. | 12-22-2011 |
| 20110313711 | Identifying Defective Semiconductor Components on a Wafer Using Component Triangulation - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 12-22-2011 |
| 20110313710 | Simultaneous Testing of Semiconductor Components on a Wafer - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 12-22-2011 |
| 20110313692 | Enhanced Intelligent Patch Panel Diagnostic Management - A system and method for enhanced intelligent patch panel diagnostic management. Physical layer device technology can be implemented into a patch panel to perform diagnostics of a communication channel. This diagnostic information (e.g., length of cable, location of cable fault, type of cable, etc.) can be displayed on a display of the patch panel management system to assist IT personnel. | 12-22-2011 |
| 20110312421 | APPARATUS FOR POSITION DETECTION USING MULTIPLE ANTENNAS - An apparatus includes a transmitter and a receiver device, which includes a receiver section and a processing module. The transmitter transmits a high carrier frequency signal. The receiver section includes first and second antennas that have an antenna radiation relationship for receiving the high carrier frequency signal. A receiver module of the receiver section determines first and second signal properties of the received high carrier frequency signal. The processing module determines a position of the receiver device with respect to the transmitter based on the first and second signal properties and maps the position to a coordinate system. | 12-22-2011 |
| 20110310995 | Transcoding multiple media elements for independent wireless delivery - Transcoding multiple media elements for independent wireless delivery. Respective media or multimedia elements are selectively and respectively encoded and/or transcoded. Such respective and selective processing of different media elements provides for their unbundled and independent communication to one or more other devices. In one instance, different respective overlays of a display (e.g., a computer, TV, PDA display, etc.) are respectively and selectively transcoded and/or encoded to generate different respective streams that may each be handled differently as a function of any number of parameters (e.g., media element type, content, communication channel characteristic, source proximity, priority, etc.). Different types of media elements include photo/image, video, graphics, text, audio, picture-in-picture, two-dimensional (2D), three-dimensional (3D), and/or other types of media elements as may be included within a given configuration of a display. Each respective encoding and/or transcoding may be particularly optimized or tailored for a given media element type. | 12-22-2011 |
| 20110310939 | PROGRAMMABLE ANTENNA ASSEMBLY AND APPLICATIONS THEREOF - A programmable antenna assembly includes a configurable antenna structure, a configurable antenna interface, and a control module. The configurable antenna structure includes a plurality of antenna elements that, in response to an antenna configuration signal, are configured elements into at least one antenna. The configurable antenna interface module is coupled to the at least one antenna and, based on an antenna interface control signal, provides at least one of an impedance matching circuit and a bandpass filter. The control module is coupled to generate the antenna configuration signal and the antenna interface control signal in accordance with a first frequency band and a second frequency band such that the at least one antenna facilitates at least one of transmitting and receiving a first RF signal within the first frequency band and facilitates at least one of transmitting and receiving a second RF signal within the second frequency band. | 12-22-2011 |
| 20110310938 | BASEBAND / 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. | 12-22-2011 |
| 20110310907 | SYSTEMS AND METHODS FOR IMPLEMENTING A CONTROL PLANE IN A DISTRIBUTED NETWORK - Systems and methods for emulating the bridging of control packets of a first network through a second network. Control packets may be Ethernet control packets instantiating a stream through the emulated bridge. One such protocol is the Institute for Electrical and Electronics Engineers (IEEE) 802.1Q protocol. One second network may be a MoCA 2.0 network or a Power Line Communication (PLC) network or any other suitable network. Control packets may be encapsulated as unicast packets according the second network and sent to a control plane node. The encapsulated unicast packets may be indentified and decapsulated by the control plane node. The control plane node may verify access to resources required by the control packet of the emulated bridge. The control plane may send encapsulated packets to the egress nodes of the second network that have sufficient resources to satisfy the control packet requirements. Each egress nodes receiving the encapsulated packets may decapsulate the control packet and sent it to a first network device. | 12-22-2011 |
| 20110310873 | System for transmitting high throughput data between multiple devices - A system for transmitting data directly between a plurality of client network devices in a network having an Access Point (“AP”) device separate from the plurality of client network devices is disclosed. The system may include a first client network device having a first client (“STA”) module and a second client network device of the plurality of client network devices. | 12-22-2011 |
| 20110310871 | NETWORK TIME RESERVATION CANCELLATION - Methods and systems that support, for example, canceling or trimming reservations of a shared communication medium are described. In one embodiment, a method that adapts a network time reservation in a communication network may include, for example, one or more of the following: transmitting a preamble field; transmitting a legacy signal field; transmitting at least one paired field, each paired field comprising a signal field and a protocol data unit; and generating an interframe gap. | 12-22-2011 |
| 20110310803 | TRANSPORTING GSM PACKETS OVER A DISCONTINUOUS IP BASED NETWORK - A system for transferring data includes an interface configured to receive data that is sent via a first link, and a processor coupled to the interface. The processor is configured to: receive data that is sent via a first link; determine whether there is discontinuity in the received data, the determination being based at least in part on information included in the received data; in the event that the received data includes a discontinuity, generate replacement data that repairs the discontinuity; and transmit at least a portion of replacement data to a second link such that a synchronization requirement associated with the second link is fulfilled. | 12-22-2011 |
| 20110310569 | Method and System For Innovative Substrate/Package Design For A High Performance Integrated Circuit Chipset - Provided is a method and system for designing an integrated circuit (IC) substrate, the substrate being formed to include at least one die. The method includes providing at least portions of IC power and a grounding function on a metal | 12-22-2011 |
| 20110309852 | Simultaneously Tagging of Semiconductor Components on a Wafer - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 12-22-2011 |
| 20110309851 | Tagging of Functional Blocks of a Semiconductor Component on a Wafer - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 12-22-2011 |
| 20110309842 | Identifying Defective Semiconductor Components on a Wafer Using Thermal Imaging - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 12-22-2011 |
| 20110307716 | GLOBAL CONTROL POLICY MANAGER - A system for managing energy efficiency and control mechanisms in a network having a plurality of network components includes a global control policy manager (GCPM) having a global control policy (GCP) and coupled to at least one of the plurality of network components. The GCPM is configured to receive power information from the at least one of the plurality of network components, analyze the power information, generate a control policy modification based on the GCP and the received power information, and send the control policy modification to the at least one of the plurality of network components. | 12-15-2011 |
| 20110307715 | VIRTUAL MACHINE POWER MANAGER - A system for managing energy efficiency and control mechanisms in a network having a virtual machine includes a virtual machine power manager (VMPM) coupled to a virtual machine manager (VMM) and a network component. The VMPM is configured to receive power information from the network component, analyze the power information, generate configuration instructions based on the analyzing and send the configuration instructions to the VMM. | 12-15-2011 |
| 20110306391 | Transmitter architecture enabling efficient preamplification gain control and related method - According to one embodiment, a radio frequency (RF) transceiver includes a transmitter enabling efficient preamplification gain control. The RF transceiver comprises a receiver and a power amplifier (PA) for amplifying a transmit signal of the transmitter. The transmitter is configured to provide pre-PA gain control for preamplifying the transmit signal before amplification by the PA, wherein substantially all of the pre-PA gain control is provided when the transmit signal is at a transmit frequency of the transmitter. In one embodiment, the transmitter includes a PA driver comprising in combination: a transconductance amplifier, a current steering block, and an output transformer. Each of the transconductance amplifier, current steering block, and output transformer is configured to contribute a respective variable gain control to the pre-PA gain control provided by the PA driver. | 12-15-2011 |
| 20110306376 | MULTIMODE CONTROL DEVICE FOR ALLOCATING RESOURCES TO COMMUNICATION DEVICES THAT USE DIFFERING PROTOCOLS AND METHODS FOR USE THEREWITH - A control device includes a first transceiver for communicating first control data with a first plurality of devices that utilize the millimeter wave frequency band in accordance with a first protocol, wherein the first transceiver utilizes the millimeter wave frequency band in accordance with the first protocol. A second transceiver communicates second control data with a second plurality of devices that utilize the millimeter wave frequency band in accordance with a second protocol, wherein the second transceiver utilizes the millimeter wave frequency band in accordance with the second protocol. A resource controller allocates resources of the millimeter wave frequency band to the first plurality of devices and the second plurality of devices based on the first control data and the second control data. | 12-15-2011 |
| 20110306311 | Adaptively powered local oscillator generator circuit and related method - According to one embodiment, a radio frequency (RF) transceiver includes a local oscillator generator (LOGEN) circuit configured to receive an adaptive supply voltage. The LOGEN circuit is coupled to a variable power supply for providing the adaptive supply voltage. A process monitor for the LOGEN circuit is in communication with the variable power supply through a power supply programming module. As a result, the adaptive supply voltage can be adjusted according to data supplied by the process monitor. A method for adaptively powering a LOGEN circuit comprises providing power to an RF device, monitoring a process corner of said LOGEN circuit, determining a supply voltage corresponding to the process corner, and adjusting the supply voltage to adaptively power the LOGEN circuit. | 12-15-2011 |
| 20110306295 | Voltage Regulation of Near Field Communication Communicators - A NFC enabled device to couple inductively to the H field of an RF signal and a regulator to regulate a voltage derived from an RF signal inductively coupled to the inductive coupler. The regulator has at least one voltage controlled impedance having a switch on voltage. A regulator controller provides a control voltage to each voltage controlled impedance such as that the control voltage is not less than the switch on voltage of the voltage controlled impedance. | 12-15-2011 |
| 20110305340 | AUTOMATIC DATA ENCRYPTION AND ACCESS CONTROL BASED ON BLUETOOTH DEVICE PROXIMITY - A method, apparatus, and system for using Bluetooth devices to secure sensitive data on other Bluetooth devices is described. A Bluetooth device is paired with a “trusted” Bluetooth device. When contact with the trusted device is lost, designated sensitive data on the secured Bluetooth device is automatically encrypted. When contact is restored, the data is automatically decrypted. In an alternate embodiment, a secured device can be associated with multiple trusted devices, and the secured device designate different sensitive data for each trusted device. In this way, multiple users can share a common, “public” Bluetooth device without concern that the other users will access their sensitive data on the device when the device is not being used by that user. | 12-15-2011 |
| 20110305297 | Method and System for Encoding a Signal for Wireless Communications - Method and system encodes a signal according to a code rate that includes a ratio of uncoded bits to coded bits. An outer Reed-Solomon encoder encodes the signal into codewords. An interleaver converts the codewords into bits of frames for wireless transmission. An inner encoder executes a convolutional code to generate an encoded signal. The encoded signal is transmitted over a plurality of subcarriers associated with a wide bandwidth channel. The convolutional code is punctured and code states are added by the inner encoder to improve the code rate. | 12-15-2011 |
| 20110305265 | MULTI-MODE IC WITH MULTIPLE PROCESSING CORES - An integrated circuit (IC) includes an RF section, a DSP, and a plurality of processors. The RF section and the DSP process an inbound RF signal to produce inbound data and process outbound data to produce an outbound RF signal. In addition, the DSP converts an outbound analog audio signal into an outbound digital audio signal and converts an inbound digital audio signal into an inbound analog audio signal. A first processor converts the inbound data into the inbound digital audio signal and converts the outbound digital audio signal into the outbound data. A second processor performs a user application that includes at least one of generation of the inbound analog audio signal and generation of the outbound analog audio signal and performs an operating system algorithm to coordinate operation of the user application. | 12-15-2011 |
| 20110305246 | System and Method for Enhanced Physical Layer Device Interface Capability for Backward Support of Fast Retrain - A system and method for enhanced physical layer device interface capability for backward support of fast retrain. The enhanced physical layer device is configurable in its leveraging of an identified legacy signaling mechanism. The identified legacy signaling mechanism can be used by the enhanced physical layer device to suspend transmission by the media access control device to facilitate the fast retrain. | 12-15-2011 |
| 20110305194 | Legacy cyclic shift delay (CSD) for orthogonal frequency division multiplexing (OFDM) signaling within multiple user, multiple access, and/or MIMO wireless communications - Legacy cyclic shift delay (CSD) for use within multiple user, multiple access, and/or MIMO wireless communications. Appropriately designed CSD is applied to communications in wireless communication systems thereby ensuring a minimized power error difference between respective portions of a packet transmitted therein. Such respective portions of the packet may be portions of the packet's preamble. For example, the first and second portions may be a legacy short training field (L-STF) and a very high throughput short training field (VHT-STF). By applying such appropriately designed CSD to a packet, a wireless communication device receiving a signal corresponding to that packet need not perform extra or very significant backoff (e.g., with respect to a signal subsequent to automatic gain control (AGC) processing) thereby simplifying signal processing and potentially also reducing a total number of effective analog to digital converter (ADC) bits needed to represent a digitally sampled version of that signal. | 12-15-2011 |
| 20110305178 | Cyclic shift delay (CSD) short training field (STF) for orthogonal frequency division multiplexing (OFDM) signaling within multiple user, multiple access, and/or MIMO wireless communications - Cyclic shift delay (CSD) short training field (STF) for use within multiple user, multiple access, and/or MIMO wireless communications. Appropriately designed CSD STF is applied to communications in wireless communication systems thereby ensuring a minimized power error difference between respective portions of a packet transmitted therein. A first portion of the packet may be a short training field (STF) and a second portion of the packet may be a payload (e.g., a data portion). By applying such appropriately designed CSD STF to a packet, a wireless communication device that receives a signal corresponding to that packet need not perform extra or very significant backoff (e.g., with respect to a signal subsequent to automatic gain control (AGC) processing) thereby simplifying processing of that signal and potentially also reducing a total number of effective analog to digital converter (ADC) bits needed to represent a digitally sampled version of that signal. | 12-15-2011 |
| 20110304394 | Variable Gain Amplifier for Low Voltage Applications - An integrated communications system. Comprising a substrate having a receiver disposed on the substrate for converting a received signal to an IF signal. Coupled to a VGA for low voltage applications and coupled to the receiver for processing the IF signal. The VGA includes a bank pair having a first bank of differential pairs of transistors and a second bank of differential pairs of transistors. The bank pair is cross-coupled in parallel, the IF signal is applied to the bank pair decoupled from a control signal used to control transconductance output gain of the bank pair over a range of input voltages. A digital IF demodulator is disposed on the substrate and coupled to the VGA for low voltage applications, for converting the IF signal to a demodulated baseband signal. And a transmitter is disposed on the substrate operating in cooperation with the receiver to establish a two way communications path. | 12-15-2011 |
| 20110303978 | Semiconductor Device Having an Enhanced Well Region - An apparatus is disclosed to increase a breakdown voltage of a semiconductor device. The semiconductor device includes an enhanced well region to effectively increase a voltage at which punch-through occurs when compared to a conventional semiconductor device. The enhanced well region includes a greater number of excess carriers when compared to a well region of the conventional semiconductor device. These larger number of excess carriers attract more carriers allowing more current to flow through a channel region of the semiconductor device before depleting the enhanced well region of the carriers. As a result, the semiconductor device may accommodate a greater voltage being applied to its drain region before the depletion region of the enhanced well region and a depletion region of a well region surrounding the drain region merge into a single depletion region. | 12-15-2011 |
| 20110302620 | MEDIA PROCESSING SYSTEM SUPPORTING ADAPTIVE DIGITAL MEDIA PARAMETERS BASED ON END-USER VIEWING CAPABILITIES - Systems and methods that adapt media content are described. In one embodiment, a system may include, for example, a first communications device and a second communications device. The first communications device may be disposed in a first location and may be operatively coupled to a network. The second communications device may be disposed in a second location and may be operatively coupled to the network. The second communications device may receive a device profile relating to the first communications device, adapt media content based upon the device profile of the first communications device, and send the adapted media content to the first communications device. | 12-08-2011 |
| 20110300885 | FRONT-END MODULE NETWORK - A wireless communication device includes a front-end module (FEM) network coupled to a system on a chip (SOC) via an RF connection. The FEM network includes a plurality of FEMs, wherein, when activated, one or more of the plurality of FEMs is operable to: output an outbound RF signal to one or more antennas; receive an inbound RF signal from the one or more antennas; and isolate the inbound RF signal from the outbound RF signal. The SOC is operable to activate the one or more of the plurality of FEMs; convert outbound data into the outbound RF signal; and convert the inbound RF signal into inbound data. | 12-08-2011 |
| 20110300882 | MOTION ADAPTIVE COMMUNICATIONS DEVICE AND INTEGRATED CIRCUITS FOR USE THEREWITH - A circuit includes a package substrate that supports an on-chip gyrating circuit that generates a motion parameter based on motion of the circuit. The package substrate further supports a die that supports a processing module that processes the motion parameter to produce motion data, wherein the processing module further generates a receive control signal and a transmit control signal in accordance with the motion data. The die further supports a wireless local area network transceiver that generates an outbound RF signal that includes outbound data and that generates voice inbound data from an inbound RF signal, wherein the wireless local area network transceiver is further operable to adjust a receive parameter based on the receive control signal and to adjust a transmit parameter in response to the transmit control signal. | 12-08-2011 |
| 20110300853 | FRONT-END MODULE NETWORK FOR FEMTOCELL APPLICATIONS - A wireless communication device includes a front-end module (FEM) network, an RF connection, and a system on a chip (SOC). A first set of FEMs is operable to output, via an antenna, a first outbound RF signal to a first wireless communication device and receive a first inbound RF signal via an antenna. A second set of FEMs is operable to output, via an antenna, a second outbound RF signal to a second wireless communication device, wherein the second outbound RF signal is representative of the first inbound RF signal, and receive a second inbound RF signal via an antenna, wherein the first outbound RF signal is representative of the second inbound RF signal. The SOC is operable to activate the first and second sets of FEMs, facilitate the first outbound RF signal representing the second inbound RF signal, and facilitate the second outbound RF signal representing the first inbound RF signal. | 12-08-2011 |
| 20110300822 | SYSTEM AND METHOD FOR CHANNEL-ADAPTIVE ANTENNA SELECTION - Systems and methods that provide channel-adaptive antenna selection in multi-antenna-element communication systems are provided. In one embodiment, a method that selects a subset of receive antennas of a receiver to receive a transmitted RF signal may include, for example, one or more of the following: establishing possible subsets of the receive antennas; determining sets of channel parameter statistics corresponding to the possible subsets of the receive antennas; computing output bit error rates of the receiver, each output bit error rate being computed based on at least one set of channel parameter statistics; selecting a particular possible subset of the receive antennas based upon a criterion predicated on the computed output bit error rates; and connecting one or more RF chains of the receiver to the receive antennas of the selected particular possible subset. | 12-08-2011 |
| 20110300818 | SAW-LESS TRANSMITTER - A SAW-less transmitter includes an up-conversion mixing module, a frequency translated BPF (FTBPF), an output module, and a power amplifier driver. The up-conversion mixing module converts an outbound symbol stream into an up-converted signal. The FTBPF frequency translates a baseband filter response to an RF bandpass filter response and filter the up-converted signal in accordance with the RF bandpass filter response to produce a filtered up-converted signal. The output module conditions the filtered up-converted signal to produce a conditioned up-converted signal. The power amplifier driver amplifies the conditioned up-converted signal to produce an outbound RF signal. | 12-08-2011 |
| 20110300814 | FRONT END MODULE WITH TONE INJECTION - A radio front end includes a power amplifier, a tone injection module, a duplexer, a balancing network, and a processing module. The tone injection module is operable, in a first mode, to produce a tone having a carrier frequency that is substantially similar to a carrier frequency of an inbound wireless signal. The duplexer is operable, in the first mode, to provide electrical isolation between the outbound wireless signal and a combination signal of the tone and inbound wireless signal and is operable, in a second mode, to provide electrical isolation between the outbound wireless signal and the inbound wireless signal. The processing module is operable to determine an amplitude of a tone component of the combination signal; correlate the amplitude of the tone component to an inbound frequency band isolation; and adjust baseband processing of a down converted representation of the combination signal based on the inbound frequency band isolation. | 12-08-2011 |
| 20110300813 | MULTIPLE-PHASE FREQUENCY TRANSLATED FILTER - A frequency translation filter includes a baseband filter circuit, a clock generator, and a switching circuit. The baseband filter circuit is operable to provide a baseband filter response. The clock generator is operable to generate multiple-phase clock signals at a desired frequency. The switching circuit is operable to frequency translate the baseband filter response of the baseband filter circuit to a high frequency filter response in accordance with the multiple-phase clock signals. | 12-08-2011 |
| 20110300810 | TRANSCEIVER 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 |
| 20110300803 | System and Method for Secure Short-Range Communication - A system and method for enabling secure short-range communication. A close proximity transmitter is used that is designed with a relatively poor radiator as compared to a conventional transmitter supporting conventional transmissions such as mobile phone communications, Wi-Fi, or Bluetooth communication. The close-proximity transmitter and the conventional transmitter are selectively activated based on a communication mode. | 12-08-2011 |
| 20110300799 | Detecting peaks in a received signal in a near field communications (NFC) device - A near field communications (NFC) device is disclosed that detects an envelope of a radio frequency (RF) signal. The NFC device includes a peak detector that determines the envelope of the RF signal. The peak detector compares a first differential signal voltage to a second differential signal voltage. The peak detector delays a rising edge of a first differential signal and provides the first differential signal voltage to the peak detector output when the first differential signal voltage is greater than the second differential signal voltage. The peak detector delays a falling edge of a second differential signal and provides the second differential signal voltage to the peak detector output when the second differential signal voltage is greater than the first differential signal voltage. | 12-08-2011 |
| 20110300798 | Derivation of a clock signal in a near field communication device - A near field communications (NFC) device is disclosed that load modulates and regulates a radio frequency (RF) signal. The NFC device includes a rectifier that rectifies the RF signal to provide a direct current voltage. The NFC device also includes a modulator that modulates a data signal. The modulator provides a first voltage when the data signal is at a first level and provides a second voltage when the data signal is at a second level. The NFC device utilizes a regulator to regulate and to load modulate the RF signal. The regulator adjusts an impedance based upon a comparison of the DC voltage provided by the regulator to the first voltage provided by the modulator for the data signal at the first level or to the second voltage provided by the modulator for the data signal at the second level. | 12-08-2011 |
| 20110299635 | SAW-LESS RECEIVER INCLUDING AN IF FREQUENCY TRANSLATED BPF - A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes a mixing module, a mixed buffer section, and a frequency translated BPF (FTBPF) circuit module. The mixing module converts an inbound RF signal into an in-phase (I) mixed signal and a quadrature (Q) mixed signal. The mixed buffer section filters and buffers the I mixed signal and filter and buffer the Q mixed signal. The FTBPF circuit module frequency translates a baseband filter response to an IF filter response such that the FTBPF circuit module filters undesired signal components of the IF I signal and the IF Q signal to produce an inbound IF signal. The receiver IF to baseband section converts the inbound IF signal into one or more inbound symbol streams. | 12-08-2011 |
| 20110299634 | SAW-LESS RECEIVER WITH A FREQUENCY TRANSLATED BPF HAVING A NEGATIVE RESISTANCE - A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes an RF frequency translated bandpass filter (FTBPF), an LNA, and a mixing section. The RF FTBPF frequency translates a baseband filter response to an RF filter response and filters an inbound RF signal in accordance with the RF filter response, wherein the inbound RF signal includes a loss error due to switching loss and/or inductor loss. The RF FTBPF also compensates the loss error based on a negative resistance. The LNA amplifies the compensated inbound RF signal and the mixing section mixes the amplified inbound RF signal with a local oscillation to produce an inbound IF signal. The receiver IF to baseband section converts the inbound IF signal into one or more inbound symbol streams. | 12-08-2011 |
| 20110299633 | MULTIPLE BAND SAW-LESS RECEIVER INCLUDING A FREQUENCY TRANSLATED BPF - A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes a frequency translated bandpass filter (FTBPF), an LNA, and a mixing section. The FTBPF includes a switching network and baseband impedances. The switching network is operable to frequency translate a baseband filter response to a first RF band frequency response and/or to a second RF frequency band response. The FTBPF filters the inbound RF signal to pass, substantially unattenuated, the first and/or second RF band signal components. The LNA amplifies the first and/or second filtered inbound RF signals and the mixing section mixes the first and/or second amplified inbound RF signals with a corresponding first and/or second local oscillation. The IF to baseband section converts the first and/or second inbound IF signals into first inbound symbol stream(s) and/or second inbound symbol stream(s). | 12-08-2011 |
| 20110299632 | SAW-LESS RECEIVER WITH RF FREQUENCY TRANSLATED BPF - A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes a frequency translated bandpass filter (FTBPF), an LNA, and a mixing section. The FTBPF includes a switching network and a plurality of baseband impedances. The switching network is operable to couple the plurality of baseband impedances to the FEM interface in accordance with a plurality of phase-offset RF clock signals to RF bandpass filter the inbound RF signal. The LNA amplifies the filtered inbound RF signal and the mixing section mixes the amplified inbound RF signal with a local oscillation to produce an inbound IF signal. The receiver IF to baseband section converts the inbound IF signal into one or more inbound symbol streams. | 12-08-2011 |
| 20110299631 | SAW-LESS RECEIVER INCLUDING TRANSIMPEDANCE AMPLIFIERS - A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes inverter based LNA modules, a mixing module, and transimpedance amplifier modules. The inverter based LNA modules amplify inbound RF signal to produce a positive leg current RF signal and a negative leg current RF signal. The mixing module converts the positive and negative leg current RF signals into an in-phase (I) mixed current signal and a quadrature (Q) mixed current signal. The transimpedance amplifier modules convert the I mixed current signal into an I mixed voltage signal and the Q mixed current signal into a Q mixed voltage signal. The receiver IF to baseband section converts the I and Q mixed voltage signals into one or more inbound symbol streams. | 12-08-2011 |
| 20110299627 | TRANSMITTER PRE-DISTORTION ACROSS WIDE TRANSMIT POWER DYNAMIC RANGE - An integrated circuit radio transceiver and method therefor includes an integrated circuit radio transceiver operable to provide pre-distortion settings that correspond to specified analog transmit path gain levels. Further, a change in gain is provided solely through digital gain when the new gain is within a specified range. If the gain change is not within the specified range, the gain is provided by a new transmit path gain module and, if necessary, with additional digital gain. Additionally, a new pre-distortion setting is applied to correspond to the new analog transmit path gain setting. | 12-08-2011 |
| 20110299602 | MONITOR WITH CONVERSION CAPABILITY FOR PORTABLE MEDIA PLAYER - Presented herein are system(s), method(s), and apparatus for a monitor with conversion capabilities for transferring data to a portable media player. In one embodiment, there is presented a monitor for displaying video data. The monitor comprises at least one input, a screen, an encoder, a memory, and an interface. The at least one input receives decompressed video data. The screen for displays the decompressed video data. The encoder encodes the decompressed video data. The memory stores the encoded decompressed video data. The interface transfers the encoded decompressed video data to another memory removable from the interface. | 12-08-2011 |
| 20110299576 | POLAR-BASED RF RECEIVER - A receiver includes a frequency translation bandpass filter (FTBPF) and an RF receiver section. The RF receiver section includes an amplifier section, a phase information detection module, an amplitude information detection module, and analog to digital conversion (ADC) modules. The FTBPF is operable to filter an inbound radio frequency (RF) signal to produce a filtered inbound RF signal. The amplifier section is operable to amplify the filtered inbound RF signal to produce an amplified inbound RF signal. The phase information detection module, when enabled, is operable to determine phase information from the amplified inbound RF signal. The amplitude information detection module, when enabled, is operable to determine amplitude information from the amplified inbound RF signal. A first one of the ADCs is operable to convert the phase information into digital phase information and a second one of the ADCs is operable to convert the amplitude information into digital amplitude information. | 12-08-2011 |
| 20110299574 | PORTABLE COMPUTING DEVICE WITH A SAW-LESS TRANSCEIVER - A portable computing device includes an FEM, a SAW-less receiver, a SAW-less transmitter, and a baseband processing unit. The FEM isolates one or more outbound RF signals from one or more inbound RF signals. The SAW-less receiver converts the one or more inbound RF signals into one or more inbound intermediate frequency (IF) signals by frequency translating a baseband filter response to an IF filter response and/or an RF filter response. The SAW-less receiver filters the inbound RF signal(s) in accordance with the RF filter response and/or filters the inbound IF signal(s) in accordance with the IF filter response. The SAW-less receiver then converts the inbound IF signal(s) into inbound symbol stream(s). The SAW-less transmitter converts outbound symbol stream(s) into the outbound RF signal(s). The baseband processing unit converts outbound data into the outbound symbol stream(s) and convert the inbound symbol stream(s) into inbound data. | 12-08-2011 |
| 20110299459 | SAW-LESS RECEIVER WITH OFFSET RF FREQUENCY TRANSLATED BPF - A SAW-less receiver includes a front end module (FEM) interface module, an RF to IF section, and an IF to baseband section. The RF to IF section includes a frequency translated bandpass filter (FTBPF), an LNA, and a mixing section. The FTBPF includes a switching network and a complex baseband filter having an offset baseband filter response. The switching network is operable to frequency translate the offset baseband filter response to an RF frequency response such that the FTBPF filters the inbound RF signal by passing, substantially unattenuated, a desired RF signal component and by attenuating an image signal component and/or an undesired signal component. The LNA amplifies the filtered inbound RF signal and the mixing section mixes the amplified inbound RF signal with a local oscillation to produce an inbound IF signal. The IF to baseband section converts the inbound IF signal into an inbound symbol stream(s). | 12-08-2011 |
| 20110299444 | VOICE DATA RF GPS INTEGRATED CIRCUIT - An integrated circuit (IC) includes a baseband processing module, a GPS receiver, and an RF section. The baseband processing module is coupled to process voice signals and data signals. The global positioning satellite (GPS) receiver module is coupled to process GPS signals. The radio frequency (RF) section id coupled to: transceive the voice signals as RF voice signals; transceive the data signals as RF data signals; and convert GPS RF signals into the GPS signals. | 12-08-2011 |
| 20110299438 | FRONT END MODULE WITH AN ANTENNA TUNING UNIT - A radio front end includes an antenna tuning unit, a duplexer, a balancing network, and a processing module. The antenna tuning unit is operably coupled to an antenna and operable to tune an operational characteristic of the antenna based on an antenna tuning signal. The duplexer is operably coupled to the antenna tuning unit and operable to provide electrical isolation between an outbound wireless signal and an inbound wireless signal. The balancing network is operably coupled to the duplexer and operable to establish an impedance that substantially matches an impedance of the antenna. The processing module is operable to estimate the impedance of the antenna to produce an estimated antenna impedance and to generate the antenna tuning signal based on the estimated antenna impedance. | 12-08-2011 |
| 20110299437 | FRONT END MODULE WITH COMPENSATING DUPLEXER - A front end module includes a duplexer and a balancing network. The duplexer includes a compensation circuit and a transformer three windings having five nodes. The first node for operably coupling an antenna to the first winding; the second node operable to receive an outbound wireless signal and operably couples the first winding to the second winding; the third node operably couples the second winding to a balancing network; the fourth node operably coupled to output a first signal component corresponding to an inbound wireless signal from the third winding; and the fifth node operably coupled to output a second signal component corresponding to an inbound wireless signal from the third winding. The duplexer provides electrical isolation between the first and second signal components and the outbound wireless signal. The compensation module is operable to compensate the electrical isolation between the first and second signals and the outbound wireless signal. | 12-08-2011 |
| 20110299436 | FRONT END MODULE WITH SCALABLE IMPEDANCE BALANCING - A radio front end includes a power amplifier, a duplexer, a detection module, a processing module, and a tunable balancing network. The duplexer is operable to provide electrical isolation between the outbound wireless signal and an inbound wireless signal. The detection module is operable to detect non-linear function of the power amplifier to produce a detected non-linearity and to detect transmit leakage of the duplexer to produce detected transmit leakage. The processing module is operable to generate a coarse tuning signal based on the detected non-linearity and to generate a fine tuning signal based on the detected transmit leakage. The tunable balancing network is operably coupled to the duplexer and operable to establish an impedance based on the coarse and fine tuning signals. | 12-08-2011 |
| 20110299435 | FRONT END MODULE WITH ACTIVE TUNING OF A BALANCING NETWORK - A radio front end includes a duplexer, a tunable balancing network, a detector module, and a processing module. The duplexer is operably coupled to an antenna and is operable to provide electrical isolation between an outbound wireless signal and an inbound wireless signal. The tunable balancing network is operably coupled to the duplexer and operable to establish an impedance that substantially matches an impedance of the antenna based on a tuning signal. The detector module is operable to generate an error signal based on an electrical performance characteristic of the duplexer. The processing module is operable to generate the tuning signal based on the error signal. | 12-08-2011 |
| 20110299433 | RF FRONT-END MODULE - A front-end module (FEM) includes first and second frequency band power amplifiers (PA), first and second frequency band receiver-transmitter (RX-TX) isolation modules, and an antenna interface unit. The PAs are operable to amplify first and second frequency band outbound RF signals, respectively. The RX-TX isolation modules are operable to isolate first and second frequency band inbound RF signals from first and second frequency band outbound RF signals in accordance with first and second frequency band isolation tuning signal, respectively. The antenna interface unit is operably tuned in accordance with an antenna interface tuning signal to output at least one of the first frequency band outbound RF signal and the second frequency band outbound RF signal and to receive at least one of the first frequency band inbound RF signal and the second frequency band inbound RF signal. | 12-08-2011 |
| 20110299431 | FRONT END MODULE WITH A TUNABLE BALANCING NETWORK - A radio front module includes a power amplifier, a duplexer, and a tunable balancing network. The power amplifier is operably coupled to amplify an up-converted signal into an outbound wireless signal. The duplexer is operably coupled to an antenna and operable to provide electrical isolation between the outbound wireless signal and an inbound wireless signal. The tunable balancing network is operable to establish an impedance that substantially matches an impedance of the antenna. The tunable balancing network includes a plurality of capacitive elements, a plurality of resistive elements, and a plurality of low-voltage switching elements operable to, and in accordance with a tuning signal, couple one or more of the plurality of capacitive elements and one or more of the plurality of resistive elements to the duplexer as an impedance balancing load. | 12-08-2011 |
| 20110299416 | METHOD AND APPARATUS OPTIMIZING A RADIO LINK - Optimizing a radio link is done by acquiring at least OSI layer one and two performance measurements, determining an optimum setting collection for at least OSI layer three to a top layer, then configuring at least the OSI layer three to the top layer based upon the optimum setting collection. The top layer is at least OSI layer four. The invention includes optimized radio links, methods of making optimized radio links, revenue generating making optimized radio links by providing means for optimizing the radio link. | 12-08-2011 |
| 20110298641 | Bubble Correction in a Flash Analog-To-Digital Converter - Embodiments of a flash analog-to-digital converter (ADC) that can detect and suppress bubbles in a thermometer code of a flash ADC are provided herein. Bubbles can result in large sparkle errors, which degrade the bit error rates (BER) of flash ADCs. The present invention utilizes a bubble correction module that is configured to provide a bubble corrected one-of-N code by suppressing at least one of any two tops that are not separated by at least two levels within a one-of-N code. | 12-08-2011 |
| 20110298542 | Amplifier with Automatic Gain Profile Control and Calibration - Embodiments of the present invention provide systems and methods for automatic amplifier gain profile control, including a method for automatically configuring a variable gain profile amplifier according to received input and a variable gain profile amplification system. Further, embodiments of the present invention provide systems and methods for increased gain profile accuracy, including methods and systems to reduce the effects of temperature and/or process variations on the gain profile of an amplifier. | 12-08-2011 |
| 20110294495 | FEMTOCELL BASE STATION FOR CONTROLLING COMMUNICATION ACCORDING TO SPECIFIED CRITERIA - A method and apparatus is disclosed to restrict access services to a communication device. The services may be restricted based upon hardware characteristics, geographic characteristics, user specifications of the communication device and/or specified rules. The method and apparatus may restrict its service to only specific applications suitable for the environment and the time. Upon a request for a service that is now restricted, the method and apparatus may notify an end user that the service was requested. Further, the method and apparatus may notify an originator of the request that the service is not available and may ask for a short message to be delivered to the end user. | 12-01-2011 |
| 20110292882 | METHOD AND APPARATUS FOR DISTRIBUTING DATA TO A MOBILE DEVICE USING PLURAL ACCESS POINTS - A system and method for providing connectivity between mobile devices and access points of a network without redundant solicitation of communication by the mobile device at each access point is described. The method involves receiving a data packet at a first access point in a control group; transmitting the data packet from the first access point to the mobile device; determining if the mobile device acknowledges receipt of the data packet; responsive to determining that the mobile device failed to acknowledge receipt of the data packet, forwarding the data packet to a second access point; and transmitting the data packet from the second access point to the mobile device. | 12-01-2011 |
| 20110292829 | ADAPTIVE MODULATION FOR FIXED WIRELESS LINK IN CABLE TRANSMISSION SYSTEM - In one embodiment of a communications network, the predetermined encoding scheme and symbol constellation configurations are chosen so that the range in channel qualities that the encoding scheme and symbol constellation configurations are designed to be utilized within overlap with each other. This overlapping provides hysteresis, which reduces the frequency with which a subscriber must alter encoding scheme and symbol constellations. Reducing the frequency of changing encoding scheme and/or symbol constellation eliminates the communication overhead associated with these changes and increases throughput by enabling the subscriber to spend more time transmitting data. | 12-01-2011 |
| 20110292171 | Systems and Methods for Managing Distribution of 3D Media - Provided are systems and methods for managing distribution of three dimensional visual media to a plurality of displays. For example, there is a content server for managing distribution of three dimensional (3D) visual media to a client over a network, where the client has a display. The content server comprises a server processor configured to determine a plurality of supported 3D modes of the client, enable one the plurality of supported 3D modes, and provide the 3D visual media to the client for presentation on the display of the client. | 12-01-2011 |
| 20110287714 | REDUCING EMISSIONS IN A NEAR FIELD COMMUNICATIONS (NFC) CAPABLE DEVICE - A near field communications (NFC) device is disclosed that interacts with other NFC devices to exchange information and/or the data. Another NFC device inductively couples a received communications signal onto an antenna circuit of the NFC device to provide a recovered communications signal. An overvoltage protection module regulates a power level of the recovered communication signal by detuning the antenna circuit when the power level of the recovered communication signal may cause damage the NFC device. Active components of the overvoltage protection module, such as voltage controlled impedances, operate in their linear mode of operation to reduce unwanted emissions during this regulation process. | 11-24-2011 |
| 20110286473 | Signal processing under attenuated transmission conditions - Signal processing under attenuated transmission conditions. Within an orthogonal signal space, the number of orthogonal signals that are used to transmit information from a transmitter to a receiver is reduced and the transmitted power of each of the now remaining orthogonal signals is modified; this may involve increasing the power of all of the remaining orthogonal signals equally or alternatively modifying them individually. The same modulation used before the reduction may also be used afterwards; within communication systems having multiple transmitter-receiver paths, this will ensure that the communication system's throughput and efficiency will remain unchanged even when one (or more) transmitter-receiver paths are highly attenuated. In addition, robust mode operation is provided for ranging and registering of transmitter devices when entering the communication system. In addition, the unused orthogonal signals may be employed to support interference cancellation of those orthogonal signals that are used to transmit information. | 11-24-2011 |
| 20110286393 | COMMUNICATIONS DEVICE - A communications device includes a first circuit and a second circuit. The first circuit includes a wired medium interface circuit that is configured to, in use, communicate data over a wired medium. The second circuit includes a wireless medium interface circuit that is configured to, in use, communicate data over a wireless medium. A destination address controller is included in the first circuit and is operative to determine to which of a plurality of destination addresses at a communications device data is to be communicated from the second circuit. The communications device can have individual visibility of a plurality of destination addresses (e.g. for respective devices) when data is received or transmitted by the wireless medium interface circuit (second circuit). | 11-24-2011 |
| 20110286330 | Hardware Filtering of Unsolicited Grant Service Extended Headers - A system and method is presented that uses hardware at a central node to determine if bandwidth being provided to a remote node in accordance with an unsolicited grant service (UGS) flow requires adjustment. In one embodiment, the hardware performs this function by comparing information in two consecutively-received UGS extended headers from the same remote device. If the information in the current and previous UGS extended headers differ, then an indication is provided to software of the central node that the bandwidth being provided to the remote node requires adjustment. | 11-24-2011 |
| 20110285908 | O/S APPLICATION BASED MULTIPLE DEVICE ACCESS WINDOWING DISPLAY - A system and method for providing access to a video display for multiple devices. Various aspects of the present invention may comprise receiving, at a video display system, a first video data signal through a first data communication interface and a second video data signal through a second data communication interface. A processor module may process the first and second video data signals to generate video information of first and second display windows in a composite display. For example, the processor module may transform and translate video information to fit display windows. The processor module may, for example, generate an output video signal comprising information of the first window and information of the second window. Such a signal may, for example, be utilized to drive an output display showing the first and second windows. Various aspects may also provide method steps and apparatus for controlling aspects of the displayed windows. | 11-24-2011 |
| 20110284840 | Process Monitor for Monitoring an Integrated Circuit Chip - A system or apparatus for monitoring an Integrated Circuit (IC) chip includes: a sense circuit at least partially constructed on the IC chip and configured to produce one or more sense signals each indicative of a corresponding process-dependent circuit parameter of the IC chip; and a digitizer module configured to produce, responsive to the one or more sense signals, one or more digitized signals each representative of a corresponding one of the sense signals. A controller is configured to determine a value of one or more of the process-dependent circuit parameters based on one or more of the digitized signals. | 11-24-2011 |
| 20110283167 | Super block error correction code (ECC) adaptable to communication systems including hard disk drives (HDDs) and other memory storage devices - Super block error correction code (ECC) adaptable to communication systems including hard disk drives (HDDs) and other memory storage devices. A means is presented by which a number of blocks of information can be organized, with a degree of ECC provided thereto, and transmitted via a signal into a communication channel. In some instances, the communication channel is coupled to a storage media as in the context of an HDD, and information is written to and read from the storage media via this communication channel (e.g., “read channel”). This means is particularly well suited to applications that provide large amounts of data via any one transmission (e.g., DVR/PVR (Digital/Personal Video Recorder)). A redundant block is generated using the information of each of a number of information blocks thereby provided extra ECC on a large portion of data, and that redundant block also undergoes ECC encoding. | 11-17-2011 |
| 20110283161 | Multi-code LDPC (Low Density Parity Check) decoder - Multi-code LDPC (Low Density Parity Check) decoder. Multiple LDPC coded signals can be decoded using hardware provisioned for a minimum requirement needed to decode each of the multiple LDPC coded signals. In embodiments where each LDPC matrix (e.g., employed to decode each LDPC coded signal) includes a common number of non-null sub-matrices, then a same number of memories are employed when decoding each LDPC coded signal. However, those particular memories employed can be different subsets for when decoding each LDPC coded signal. In embodiments where each LDPC code includes a different number of non-null sub-matrices within its respective LDPC matrix, then a different number of memories are employed when decoding each LDPC coded signal. Various degrees of parallelism in decoding can also be employed in which different numbers of bit engines and check engines can be employed when decoding different LDPC coded signals. | 11-17-2011 |
| 20110283118 | Adaptive power sourcing equipment and related method for power over ethernet applications - There is presented a circuit and a related method for adaptively supplying Power over Ethernet (PoE) by a power sourcing equipment. The circuit comprises first and second power channels coupled to first and second network interfaces of the power sourcing equipment. A shunt device is operated to identify a maximum power characteristic of a powered device. The first power channel provides a first current to the powered device through the first network interface if the maximum power characteristic does not exceed a power threshold. The circuit provides another current to the powered device through the first network interface if the maximum power characteristic is greater than the power threshold. Various embodiments of the present invention may provide a second current to another powered device through the second network interface if the maximum power characteristic of the first and second powered devices does not exceed the power threshold. | 11-17-2011 |
| 20110283102 | METHOD AND SYSTEM FOR SUPPORTING WATERMARK EMBEDDING IN MULTIMEDIA SYSTEM-ON-CHIPS - A secure server may be utilized to support watermark embedding in multimedia system-on-chips, by generating an encrypted and signed watermarking signal for use in each particular system-on-chip. The encrypted and signed watermarking signal is generated based on a unique per-chip ID associated with the particular system-on-chip. The watermarking signal may be signed by the secure server utilizing a random number generated in and/or provided by the particular system-on-chip. The watermarking signal may be encrypted by the secure server based on a secret encryption key associated with the particular system-on-chip. The secret encryption key may be determined based on the unique per-chip ID associated with the particular system-on-chip. The secure server may store information, received from various system-on-chips, for use during generation of watermarking signals. The information received from each system-on-chip may comprise corresponding unique per-chip ID and/or a random number associated with each particular system-on-chip. | 11-17-2011 |
| 20110280341 | BEAMFORMING AND/OR MIMO RF FRONT-END - An RF front-end includes a transmit adjust module, a PA module, an antenna coupling circuit, a LNA module, and a receive adjust module. The transmit adjust module adjusts coordinates of up-converted analog signals when in a first transmit mode and adjusts coordinates of a plurality of up-converted analog signals when in a second transmit mode to produce to produce multiple adjusted up-converted signals and a plurality of adjusted up-converted signals, respectively, which are subsequently amplified by the PA module. The antenna coupling circuit provides the multiple or the plurality of outbound RF signals to at least some of a plurality of antennas depending on the transmit mode and provides multiple or a plurality of inbound RF signals at least some of the plurality of antennas to the LNA module based on a receive mode. The receive adjust module adjusts coordinates of the multiple or plurality of amplified inbound RF signals based on the receive mode. | 11-17-2011 |
| 20110280331 | PREAMBLE FORMATS FOR MIMO WIRELESS COMMUNICATIONS - A method for generating a preamble of a frame for a multiple input multiple output (MIMO) wireless communication begins by, for each transmit antenna, generating a carrier detect field. The method continues by, for a first grouping of the transmit antennas, generating a first guard interval following the carrier detect field; and generating at least one channel sounding field. Continuing, the method applies cyclical shift prior to transmission via the first grouping of the transmit antennas. When the MIMO wireless communication includes more than the first grouping of the transmit antennas, for another grouping of the transmit antennas. For the another grouping of the transmit antennas, generating at least one other channel sounding field. The method proceeds by generating the first guard interval prior to the at least one other channel sounding field, and applying another cyclical shift prior to transmission via the another grouping of the transmit antennas. | 11-17-2011 |
| 20110280297 | Direct Digital Conversion Tuner - A direct sampling tuner includes a low noise amplifier and an optional dynamically configurable band pass filter coupled to the low noise amplifier. The optional filter is configured to pass a selected band of channels. The tuner further includes a relatively high accuracy, multi-bit analog-to-digital converter (“ADC”) coupled to the LNA or to the optional dynamically configurable band pass filter. The ADC operates at greater than about twice a frequency of a sampled signal. The ADC directly samples the spectrum of the selected channels at the Nyquist rate, thus avoiding image problems presented by conventional tuners. | 11-17-2011 |
| 20110280259 | System and Method for Dynamically Swapping Master and Slave PHYs to Allow Asymmetry in Energy Efficient Ethernet - A system and method for dynamically swapping master and slave physical layer devices (PHYs) in energy efficient Ethernet (EEE). A physical layer communication mechanism can be used to dynamically reassign the master/slave assignments to facilitate the asymmetric application of EEE to a link. | 11-17-2011 |
| 20110280236 | RFIC WITH CELLULAR AND RFID FUNCTIONALITY - 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 into amplitude modulation information and phase modulation information when the IC is in a cellular data mode and to convert an outbound radio frequency identification (RFID) signal into RFID amplitude modulation information when the IC is in an RFID mode. The RF section is coupled to generate an outbound RF data signal in accordance with the amplitude modulation information and the phase modulation information when the IC is in the cellular data mode and to generate an outbound RF RFID signal in accordance with the RFID amplitude information when the IC is in the RFID mode. | 11-17-2011 |
| 20110280148 | ADAPTIVE SENSITIVITY IN WIRELESS COMMUNICATION - A method of accommodating aberrant behavior in wireless devices in a wireless network includes the steps of establishing communication with at least one wireless device, monitoring signals received from the at least one wireless device, determining characteristics of the at least one wireless device based on the monitored signals, comparing the determined characteristics with prescribed characteristics for wireless devices exhibiting aberrant behavior and altering settings to accommodate the at least one wireless device, when the determined characteristics match the prescribed characteristics. | 11-17-2011 |
| 20110280117 | BACKWARD-COMPATIBLE LONG TRAINING SEQUENCES FOR WIRELESS COMMUNICATION NETWORKS - A network device for generating an expanded long training sequence with a minimal peak-to-average ratio. The network device includes a signal generating circuit for generating the expanded long training sequence. The network device also includes an Inverse Fourier Transform for processing the expanded long training sequence from the signal generating circuit and producing an optimal expanded long training sequence with a minimal peak-to-average ratio. The expanded long training sequence and the optimal expanded long training sequence are stored on more than 52 sub-carriers. | 11-17-2011 |
| 20110279327 | PLANAR INVERTED-F ANTENNA - A low profile Planar Inverted-F Antenna (PIFA) comprises a radiating strip, an inductive tuning portion, a vertical feed portion, and a retracted ground plane. The radiating strip is approximately parallel to the ground plane and is suspended above the ground plane by the feed element at a certain distance. Further, the radiating strip, in part or entirely, overhangs the ground plane. In this way, the radiating strip may be suspended very close to the ground plane, but yet exhibits a large bandwidth. | 11-17-2011 |
| 20110279163 | SIGNAL LEVEL CROSSING DETECTOR CIRCUIT - A signal level crossing detector circuit includes a DC isolator and a detector circuit. The DC isolator has at least a first input, which is operable to receive a high voltage AC signal, and at least a first capacitor, a first plate of the first capacitor being electrically connected to the first input. The detector circuit is operable at a low voltage and has at least a first detector input, the first detector input being electrically connected to a second plate of the first capacitor, the low voltage detector circuit being operable to provide a change in output signal in dependence on a high voltage AC signal on the first input crossing a predetermined signal level. The signal level crossing detector may be single ended or differential. | 11-17-2011 |
| 20110279108 | AC VOLTAGE MEASUREMENT CIRCUIT - A voltage measurement circuit is operative to measure a high voltage AC signal and includes a capacitive divider circuit and a compensator circuit. The capacitive divider circuit includes first and second inputs, across which, in use, is received a high voltage AC signal and also includes second and third capacitors. First and second plates of each of the first, second and third capacitors are defined by conductive layers of a printed circuit board and the dielectric of each of the first, second and third capacitors being defined by a non-conducting part of the printed circuit board. A compensator circuit has a configurable transfer function and includes an input connected across the first and second plates of the third capacitor and an output. The compensator circuit is operative to change a voltage received at its input in accordance with the transfer function and to provide the changed voltage at its output. | 11-17-2011 |
| 20110276817 | MEMORY POWER MANAGER - Controlling access to memory includes receiving a plurality of memory access requests and assigning corresponding time values to each. The assigned time values are adjusted based upon a clock pulse and a priority access list is generated. Factors consider include missed access deadlines, closeness to missing access deadlines, and whether a page is open. The highest ranked client is then passed to a sequencer to allow the requested access. Time values may be assigned and adjusted according to client ID or client type (latency or bandwidth). A plurality of power modes of operation are defined wherein operation in a selected power mode of operation is based at least in part on the assigned or adjusted time values. The processing is performed in hardware in parallel (at the same time) by associated logic circuits. | 11-10-2011 |
| 20110276766 | CONFIGURABLE MEMORY CONTROLLER - Controlling access to memory includes receiving a plurality of memory access requests and assigning corresponding time values to each. The assigned time values are adjusted based upon a clock pulse and a priority access list is generated. Factors consider include missed access deadlines, closeness to missing access deadlines, and whether a page is open. The highest ranked client is then passed to a sequencer to allow the requested access. Time values may be assigned and adjusted according to client ID or client type (latency or bandwidth). A plurality of power modes of operation are defined wherein operation in a selected power mode of operation is based at least in part on the assigned or adjusted time values. The processing is performed in hardware in parallel (at the same time) by associated logic circuits. | 11-10-2011 |
| 20110276736 | METHOD AND SYSTEM FOR A RFIC MASTER - Methods and systems for a RFIC master are disclosed. Aspects of one method may include configuring an on-chip programmable device that may function as a master on a bus that has at least one device interface, for example, RFIC interface, coupled to the bus. The on-chip programmable device may generate at least one signal to control at least one device coupled to at least one device interface. The on-chip programmable device may communicate the generated signal via the bus upon receiving an input timer signal and may be configured by writing at least one event data and an index-sample data to the on-chip programmable device. The index-sample data may comprise at least a count value and an event data index. When the count value equals a value of the timer signal, event data may be fetched and executed starting with the one specified by the event data index. | 11-10-2011 |
| 20110275336 | TRANSMIT POWER MANAGEMENT FOR A COMMUNICATION DEVICE AND METHOD FOR USE THEREWITH - In integrated circuit includes a processing module that determines a selected one of the plurality of power modes based on a function being currently performed by at least one non-transceiver module of a host device, and generates a power mode signal based on the selected one of the plurality of power modes. An RF transmitter generates a transmit signal at a selected one of the plurality of operating power levels based on the power mode signal and that operates from at least one transmitter power supply signal generated and selected by a power management circuit in response to the power mode signal. | 11-10-2011 |
| 20110275332 | INDUCTIVE 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 |
| 20110274206 | SYSTEM AND METHOD FOR RF SIGNAL COMBINING AND ADAPTIVE BIT LOADING FOR DATA RATE MAXIMIZATION IN MULTI-ANTENNA COMMUNICATION SYSTEMS - A system and method for generating weight values based on maximum data rate for weighting elements included within signal weighting and combining arrangements used in various multi-antenna transmitter and receiver structures is disclosed herein. Weighting values for a given signal combining arrangement are set so as to maximize an output data rate of the applicable multi-antenna system in the presence of adaptive bit loading of the subcarriers of a transmitted signal. The disclosed techniques may be employed to maximize a data rate of a multi-antenna communication system by using adaptive bit loading and RF and baseband weighting schemes. In this case a search is conducted over various combinations of RF and baseband weights in order to find the weight combination which, when adaptive bit loading is also employed, maximizes the data rate. | 11-10-2011 |
| 20110274151 | Upstream Adaptive Modulation in a Communications System - A system and method for providing upstream adaptive modulation. Burst parameters associated with a range of data interval usage codes (IUCs) are defined. Each of the data IUCs has a different modulation order and forward error correction (FEC). The SNR and codeword error rate for each satellite modem in the network are monitored. The data IUCs are dynamically assigned to different satellite modems within an upstream channel based on SNR and/or codeword error rate to enable each of the satellite modems in the upstream channel to achieve maximum bandwidth efficiency during upstream data transmissions. Bandwidth requests are received from the satellite modems and granted. The grant includes the assigned data IUC. The data bursts received in the upstream channel are each processed using the parameters from the assigned IUC for each of the satellite modems sending data in the upstream channel. When any of the satellite modems' SNR and/or codeword error rate changes, the data IUC for that satellite modem is changed accordingly. | 11-10-2011 |
| 20110274122 | Highly Integrated Media Access Control - A supervisory communications device, such as a headend device within a communications network, monitors and controls communications with a plurality of remote communications devices throughout a widely distributed network. The supervisory device allocates bandwidth on the upstream channels by sending MAP messages over its downstream channel. A highly integrated media access controller integrated circuit (MAC IC) operates within the headend to provide lower level processing on signals exchanged with the remote devices. The enhanced functionality of the MAC IC relieves the processing burden on the headend CPU and increases packet throughput. The enhanced functionality includes header suppression and expansion, DES encryption and decryption, fragment reassembly, concatenation, and DMA operations. | 11-10-2011 |
| 20110274078 | AUTOMATIC QUALITY OF SERVICE BASED RESOURCE ALLOCATION - A system and method for providing quality-of-service based network resource allocation and utilization in a dynamic network environment. For example, a wireless communication network may comprise a first system and a second system. The first system may provide a current service to a user at a current quality level. The first system and second system may establish a wireless communication link. At least one of the first and second systems may determine whether utilizing one or more resources of the second system will provide the current service to the user at a higher level of quality than the current quality level. One or more resources of the second system may be allocated for providing the current service to a user at a higher quality level. The allocated resources may be utilized to provide the current service to the user at a higher quality level than the current quality level. | 11-10-2011 |
| 20110273919 | Read-Only Memory (ROM) Bitcell, Array, and Architecture - Embodiments provide improved memory bitcells, memory arrays, and memory architectures. In an embodiment, a memory cell comprises a transistor having drain, source, and gate terminals; and a plurality of program nodes, with each of the program nodes charged to a pre-determined voltage and coupled to a respective one of a plurality of bit lines. | 11-10-2011 |
| 20110273008 | INTEGRATED CIRCUIT WITH SUPPLY LINE INTRA-CHIP CLOCK INTERFACE AND METHODS FOR USE THEREWITH - An integrated circuit includes a first circuit and a first power supply line for powering the first circuit. A first intra-chip clock interface generates a first clock signal on the first power supply line. A second power supply line is coupled to the first power supply line and further powers the second circuit. A second intra-chip clock interface recovers the first clock signal from the second power supply line. The second circuit operates based on the first clock signal. | 11-10-2011 |
| 20110271082 | PERFORMING ACTIONS ON FRAME ENTRIES IN RESPONSE TO RECEIVING BULK INSTRUCTION - Various example embodiments are disclosed. According to an example embodiment, a switch may comprise an instruction decode stage and a lookup stage. The instruction decode stage may be configured to receive a bulk instruction identifying an action to perform on frame entries of the lookup stage, and in response to receiving the bulk instruction, send, to the lookup stage, at least first and second frame entry instructions, each of the first and second frame entry instructions identifying the action and identifying a unique frame entry in the lookup stage upon which to perform the action. The lookup stage may be configured to receive the first and second frame entry instructions from the instruction decode stage, and in response to receiving each of the first and second frame entry instructions, perform the identified action on the frame entry identified by the respective frame entry instruction. | 11-03-2011 |
| 20110271028 | MODULAR INTEGRATED CIRCUIT WITH COMMON INTERFACE - A modular integrated circuit includes a hub module that is coupled to a plurality of spoke modules via a plurality of hub interfaces. The plurality of hub interfaces provide a plurality of signal interfaces between the hub module and each of the plurality of spoke modules, wherein each of the plurality of signal interfaces is isolated from each of the other signal interfaces of the plurality of signals interface, and wherein each of the plurality of signal interfaces operates in accordance with a common signaling format. | 11-03-2011 |
| 20110268216 | Transmitter Gain Control and Calibration - Embodiments provide improved systems and methods of gain control and calibration for wireless transmitters. In particular, embodiments allow linear gain control over the entire transmitter gain control range, independent of temperature/process variations. Embodiments require very low power consumption compared to existing approaches. Embodiments may also be used for gain control calibration during production time, thereby substantially reducing production calibration time and cost. | 11-03-2011 |
| 20110268119 | PACKET PROCESSING ARCHITECTURE - A method to process a packet is described herein. The method comprises receiving a packet including a header and a payload. The header is parsed using a packet processor to determine type and priority of the packet. The header is then processed using a hardware acceleration block based on one or more of incoming bandwidth, priority and type of the packet. The custom hardware acceleration block generates header modification data that is sent to the packet processor. The header is modified using the packet processor, based on the header modification data, to generate a modified header. The modified header is appended to the payload and transmitted. | 11-03-2011 |
| 20110268020 | COMMUNICATING WITH TWO NODES WITH OVERLAPPING FRAMES - According to an example embodiment, a wireless node may determine that a first reserved retransmission frame overlaps with a second reserved transmission frame and a second reserved retransmission frame and that the second reserved transmission frame overlaps with a first reserved transmission frame and the first reserved retransmission frame. The first reserved transmission frame and the first reserved retransmission frame may be reserved for wireless communication with a first master node, and the second reserved transmission frame and the second reserved retransmission frame are reserved for wireless communication with a second master node. The wireless node may also process and acknowledge data received from the first master node during the first reserved transmission frame based on the determining, ignore data sent by the second master node during the second reserved transmission frame based on the determining, and process and acknowledge data received from the second master node during the second reserved retransmission frame based on the determining. | 11-03-2011 |
| 20110267176 | RFID INTERFACE AND APPLICATIONS THEREOF - A wireless power interface includes first coil, a plurality of coils, and a control module. Each of the plurality of coils has a different orientation with respect to at least one axis of a multi-dimensional axis system. The control module is coupled to enable at least one of the plurality of coils based on electro-magnetic coupling between the first coil and the at least one of the plurality of coils such that power is derived via the electro-magnetic coupling. | 11-03-2011 |
| 20110264946 | MODULAR INTEGRATED CIRCUIT WITH CLOCK CONTROL CIRCUIT - A modular integrated circuit includes a hub module that is coupled to a plurality of spoke modules via a plurality of hub interfaces. The hub module includes a clock control circuit, coupled to the plurality of hub interfaces, that selectively supplies a plurality of clock signals to the plurality of spoke modules by receiving a clock request signal from a corresponding one of the plurality of spoke modules via the signal interface of the corresponding one of the plurality of hub interfaces, generating at least one of the plurality of clock signals in response to the clock request signal; and sending the at least one of the plurality of clock signals to the corresponding one of the plurality of spoke modules via the signal interface of the corresponding one of the plurality of hub interfaces. | 10-27-2011 |
| 20110264930 | MODULAR INTEGRATED CIRCUIT WITH UNIFORM ADDRESS MAPPING - A modular integrated circuit includes a hub module that is coupled to a plurality of spoke modules via a plurality of hub interfaces. A memory module stores hub software and hub data and configuration data. The hub software operates in accordance with a memory map that includes a plurality of first reserved blocks corresponding to memory reserved for the plurality of spoke modules, and at least one second reserved block corresponding to memory reserved for at least one optional spoke module. The plurality of first reserved blocks are activated based on the configuration data and the at least one second reserved block is deactivated based on the configuration data. | 10-27-2011 |
| 20110264901 | MODULAR INTEGRATED CIRCUIT WITH COMMON SOFTWARE - A modular integrated circuit includes a hub module that is coupled to a plurality of spoke modules via a plurality of hub interfaces. The spoke modules include a plurality of interface circuits each having a hardware address. A memory module stores the hub software and hub data and configuration data. The hub software includes a plurality of driver modules corresponding to the plurality of interface circuits. The processing module executes boot firmware to configure the plurality of driver modules based on the hardware address of each of the plurality of interface circuits. | 10-27-2011 |
| 20110264886 | System and Method for Managing Memory - Systems and methods that manage memory are provided. In one embodiment, a system for communications may include, for example, a memory management system that may handle a first application employing a virtual address based tagged offset and a second application employing a zero based tagged offset with a common set of memory algorithms. | 10-27-2011 |
| 20110264298 | System and Method for Controlling a Power Budget at a Power Source Equipment Using a PHY - A system and method for controlling the delivery of power to a powered device in a Power over Ethernet Broad Reach (PoE-BR) application. Cabling power loss in a PoE-BR application is related to the resistance of the cable itself. A PHY can be designed to measure electrical characteristics (e.g., insertion loss, cross talk, length, etc.) of the Ethernet cable to enable determination of the cable resistance. The determined resistance in a broad reach cable can be used in increasing a power budget allocated to a power source equipment port. | 10-27-2011 |
| 20110262132 | Daisy Chainable ONU - Embodiments of a scalable optical network unit (ONU) architecture for multi-dwelling units (MDUs) that has a low initial cost (or first port cost) and a low maintenance cost are provided herein. The ONU architecture is scalable in that a growing number of end users can share a single drop fiber that couples the ONU to a passive optical network. The ONU architecture utilizes a multiplexer module to allow the ONU to be daisy chained with one or more additional ONUs. | 10-27-2011 |
| 20110261803 | HIGH DATA THROUGHPUT WLAN FRAME FORMAT - A frame format for high data throughput wireless local area network transmissions includes a first preamble segment, a second preamble segment, and a variable length data segment. The first preamble segment includes at least one training sequence and a high throughput channel indication. The second preamble segment includes a high data throughput training sequence when the high throughput channel indication is set and includes a null segment when the high data throughput training sequence is not set. | 10-27-2011 |
| 20110261720 | System and Method for Unique Identifier Exchange During Auto-Negotiation - A system and method for unique identifier exchange during auto-negotiation. Wired networks can include non-conformant bridges and/or repeaters that can erroneously forward link protocol frames such as LLDP. These present a problem for higher layer protocols that attempt to manage properties of the link. The unique identifiers exchanged during auto-negotiation can be passed up to higher layers for an integrity check of unique identifiers exchanged using higher layer protocols. | 10-27-2011 |
| 20110260793 | Ground-referenced common-mode amplifier circuit and related method - Disclosed is an amplifier circuit configured to amplify a pulse stream. The amplifier circuit comprises a switching block including a first switch operable to couple an output node of the switching block to a positive reference voltage, a second switch operable to couple the output node to a ground reference voltage and a third switch operable to couple the output node to a negative reference voltage. The amplifier circuit is configured to amplify the pulse stream into an amplified signal detectable at the output node such that the amplified signal has a common-mode voltage level substantially equal to zero volts. In one embodiment, the amplifier circuit is configured to amplify the pulse stream in accordance with a Class-D amplification scheme. In one embodiment, the output node can be directly connected to a load device without a DC blocking capacitor being interposed between the output node and the load device. | 10-27-2011 |
| 20110258518 | Variable modulation with LDPC (Low Density Parity Check) coding - Variable modulation within combined LDPC (Low Density Parity Check) coding and modulation coding systems. A novel approach is presented for variable modulation encoding of LDPC coded symbols. In addition, LDPC encoding, that generates an LDPC variable code rate signal, may also be performed as well. The encoding can generate an LDPC variable code rate and/or modulation signal whose code rate and/or modulation may vary as frequently as on a symbol by symbol basis. Some embodiments employ a common constellation shape for all of the symbols of the signal sequence, yet individual symbols may be mapped according different mappings of the commonly shaped constellation; such an embodiment may be viewed as generating a LDPC variable mapped signal. In general, any one or more of the code rate, constellation shape, or mapping of the individual symbols of a signal sequence may vary as frequently as on a symbol by symbol basis. | 10-20-2011 |
| 20110258465 | System and Method for Physical Layer Device Enabled Power Over Ethernet Processing - A system and method for physical layer device enabled power over Ethernet (PoE) processing. A digital PoE control module is included within a physical layer device and is designed to complement an analog PoE control module within a power sourcing equipment. The inclusion of the digital PoE control within the physical layer device reduces the complexity of the power sourcing equipment without sacrificing PoE control features. | 10-20-2011 |
| 20110255713 | AUTOMATIC VOLUME CONTROL FOR AUDIO SIGNALS - A technique is provided for automatically adjusting the volume, or magnitude, of an audio signal. The technique includes calculating an average power associated with a segment of an input audio signal, determining whether the average power is greater than an estimated signal level associated with one or more previously-processed segments of the input audio signal and, depending on the determination, either calculating an updated estimated signal level by subtracting from the average power an attenuated difference between the estimated signal level and the average power or setting the updated estimated signal level to the average power. A gain to be applied to the segment of the input audio signal is then determined based on the updated estimated signal level and a target signal level for an output audio signal. | 10-20-2011 |
| 20110255427 | System and Method for Physical Layer Device Enabled Clock Diagnostics - A system and method for physical layer device enabled clock diagnostics. The physical layer device can monitor the performance of a clock recovery module. Performance monitoring can be performed on the output clock signal or the control components used to generate the output clock signal. In one embodiment, the performance monitoring is correlated to particular data patterns to provide an accurate determination of variations or other inconsistencies within the clock recovery module. | 10-20-2011 |
| 20110254584 | Switchable Passive Termination Circuits - According to one exemplary embodiment, an active termination circuit includes at least one active termination branch, where the at least one active termination branch includes at least one transistor for providing an active termination output. The at least one active termination branch further includes an amplifier driving the at least one transistor, where the amplifier has a non-inverting input coupled to the active termination output via a feedback network. The amplifier controls a current flowing through the at least one transistor so as to provide the active termination output. The active termination output can be provided at a drain of the at least one transistor, where a source of the at least one transistor is coupled to ground through a degeneration transistor and a tail current sink. | 10-20-2011 |
| 20110252257 | System and Method for Energy Efficient Ethernet Enhanced Information Technology Power Management Tools - A system and method for energy efficient Ethernet (EEE) enhanced information technology power management tools. EEE-based computing center resources are designed to monitor energy savings events hardware components (e.g., physical layer device) included within the computing center resource. Energy saving statistics based on such monitoring can be provided to a power management tool. This monitoring information enables the power management tool to make broad service-level energy savings decisions on actual network activity. In addition, feedback based on the broad service-level energy savings decisions can be provided to the EEE-based computing center resources for consideration by their individual EEE control policies. | 10-13-2011 |
| 20110250841 | System and Method for Using a Single Antenna for Active and Passive Radio Functions - A system and method for using a single antenna for active and passive radio functions. A wireless communication device includes a passive component that can be read using an antenna when the wireless communication device is in a low power sleep mode. When it is determined that a higher capacity is needed, the wireless communication device activates an active component. Activation of the active component includes a switching of a connection of the antenna from the passive component to the active component. | 10-13-2011 |
| 20110250838 | RF AND NFC PAMM ENHANCED ELECTROMAGNETIC SIGNALING - A communication device includes a processing module, a transmitter section, a receiver section, a wireless communication structure, a projected artificial magnetic mirror (PAMM) array, and a metal backing. The transmitter section and the receiver section are on a first layer. The wireless communication structure is on a second layer, the PAMM array is on a third layer, and the metal backing is on a fourth layer. The PAMM array includes a non-conductive area to support coupling of the wireless communication structure to at least one of the transmitter section and the receiver section. In addition, the PAMM array provides electromagnetic shielding of the at least one of the transmitter section and the receiver section from the wireless communication structure. | 10-13-2011 |
| 20110249780 | OFDM Frame Synchronisation Method and System - An OFDM frame synchronisation method in which the symbols of the preamble carry a code. The detection of the code allows the frame synchronization in presence of low SNR. | 10-13-2011 |
| 20110249759 | MULTI-WIDEBAND COMMUNICATIONS OVER POWER LINES - Systems and methods for communicating over a power line are configured to substantially simultaneously communicate over a plurality of wideband frequency ranges. Signals may be communicated two or from a communication node at two different frequencies simultaneously. These signals may be exchanged with different nodes and/or include independent data. In some embodiments, some of the wideband frequency ranges are above 30 MHz. | 10-13-2011 |
| 20110249687 | System and Method for Forming N0GBASE-T - A system and method for forming N0GBASE-T. In one embodiment, N 10GBASE-T PHYs are matched to a N×10G MAC via a shim layer. The shim layer is designed to distribute data received from a higher rate MAC to multiple lower-rate PHYs on the transmit end, and to collect data received from multiple lower-rate PHYs to a higher rate MAC. | 10-13-2011 |
| 20110248901 | MULTIPLE FREQUENCY PROJECTED ARTIFICIAL MAGNETIC MIRROR AND ANTENNA APPLICATION THEREOF - A multiple frequency projected artificial magnetic mirror (PAMM) includes a plurality of metal traces, a metal backing, and a dielectric material. The plurality of metal traces is on one or more layers of a substrate and the metal backing is on another layer of the substrate. The dielectric material is between the metal backing and the plurality of metal traces, which is electrically coupled to the metal backing. At least some of the plurality of metal traces is of various sizes and of various positioning and spacing to create a distributed inductor-capacitor network having a first frequency band of operation and a second frequency band of operation. | 10-13-2011 |
| 20110248897 | DISH ANTENNA USING A PROJECTED ARTIFICIAL MAGNETIC MIRROR - A flat dish antenna includes a plurality of concentric coils, a plurality of eccentric coils, a metal backing, a dielectric material, and an antenna structure. The pluralities of concentric coils and eccentric coils are on a layer of a substrate. A concentric coil has a radiation pattern that is substantially normal to a plane of the concentric coil and an eccentric coil has a radiation pattern that's is offset from normal to a plane of the eccentric coil. The metal backing is on another layer of the substrate and the dielectric material is between the layer and the other layer of the substrate. The concentric coils and the eccentric coils are electrically coupled to the metal backing to produce a distributed inductor-capacitor networking that provides a focal point based on a combination of their radiation patterns. The antenna structure is located proximal to the focal point. | 10-13-2011 |
| 20110248798 | PROJECTED ARTIFICIAL MAGNETIC MIRROR - A projected artificial magnetic mirror (PAMM) includes conductive coils, a metal backing, and a dielectric material. The conductive coils are arranged in an array on a first layer of a substrate and the metal backing is on a second layer of the substrate. The dielectric material is between the first and second layers of the substrate. The conductive coils are electrically coupled to the metal backing to form an inductive-capacitive network that, for a third layer of the substrate and within a given frequency band, substantially reduces surface waves along the third layer. | 10-13-2011 |
| 20110248180 | PROJECTED ARTIFICIAL MAGNETIC MIRROR WAVEGUIDE - A projected artificial magnetic mirror (PAMM) waveguide includes a substrate, metal patches, a metal backing, multiple dielectric materials, and a waveguide area. The metal patches are on a first layer of a substrate and the metal backing is on a second layer of the substrate. The first dielectric material is between the first and second layers of the substrate. The metal patches are electrically coupled to the metal backing to form an inductive-capacitive network that substantially reduces surface waves along a surface of the substrate within a given frequency band. The second dielectric material juxtaposed to the metal patches, where the waveguide area is between the second and third dielectric materials and includes the surface of the substrate. The inductive-capacitive network, the second dielectric material, and/or the third dielectric material facilitate confining an electromagnetic signal within the waveguide area. | 10-13-2011 |
| 20110246797 | System and Method for Enabling Power over Ethernet for Legacy Devices - A system and method for enabling power over Ethernet (PoE) for legacy devices. Legacy devices often represent a large installed base of devices. This installed base of devices (e.g., mobile computing devices) may have little or no PoE functionality. It is a feature of the present invention that an external device (e.g., dongle) can be used to retrofit such an installed base of devices for use with state of the art PoE functionality. | 10-06-2011 |
| 20110243254 | Communications interface to differential-pair cabling - Disclosed is a communications interface to connect to a first device and to establish a communication between the first device and a second device over a medium. The communications interface comprises at least one common mode choke having a first end configured to connect to an Ethernet transceiver of the first device. The communications interface further comprises an optional capacitor having a first end coupled to a second end of the at least one common mode choke and having a second end configured to connect to the medium. The communications interface does not include any transformers connected to the second end of the at least one common mode choke. The Ethernet communications is readily adaptable to differential-pair cabling and applications in harsh electromagnetic interference environments, such as automotive, aero-space, air crafts, water crafts, trains, railroad and marine applications, where high rejection of EMI is required. | 10-06-2011 |
| 20110243127 | VOICE AND DATA EXCHANGE OVER A PACKET BASED NETWORK - A signal processing system which discriminates between voice signals and data signals modulated by a voiceband carrier. The signal processing system includes a voice exchange, a data exchange and a call discriminator. The voice exchange is capable of exchanging voice signals between a switched circuit network and a packet based network. The signal processing system also includes a data exchange capable of exchanging data signals modulated by a voiceband carrier on the switched circuit network with unmodulated data signal packets on the packet based network. The data exchange is performed by demodulating data signals from the switched circuit network for transmission on the packet based network, and modulating data signal packets from the packet based network for transmission on the switched circuit network. The call discriminator is used to selectively enable the voice exchange and data exchange. | 10-06-2011 |
| 20110242927 | Encoded Read-Only Memory (ROM) Decoder - Decoder circuits capable of decoding encoded ROM memory are provided. Embodiments provide several improvements over prior solutions which rely primarily on CMOS logic (e.g., inverters). For example, embodiments provide faster decoding by limiting the number of decoding stages to a single stage. Further, embodiments allow the use of partial swing (as opposed to full swing) on the bit lines, which results in significant power reduction. This, in turn, results in reduced amounts of capacitor discharges when reading the data. | 10-06-2011 |
| 20110238881 | DOCKABLE HANDHELD COMPUTING DEVICE WITH GRAPHICAL USER INTERFACE AND METHODS FOR USE THEREWITH - A physical docking interface facilitates co-processing with an extended processing module of an extended computer unit in a physical docked mode, when the handheld computing unit is coupled to the extended computer unit via the physical docking interface. A quasi docking interface facilitates co-processing with the extended processing module in a quasi docked mode when the handheld computing unit is coupled to the extended computer unit via the quasi docking interface. A graphical user interface presents a selectable quasi docking interface graphic for display to a user and responds to a user selection of the selectable quasi docking interface graphic by generating a quasi docking command. The quasi docking interface couples the handheld computing unit to the extended computing unit in response to the quasi docking command. | 09-29-2011 |
| 20110235696 | Non-Linear Analog Decision Feedback Equalizer - An equalizer that compensates for non-linear effects resulting from a transmitter, a receiver, and/or a communication channel in a communication system. A non-linear decision feedback equalizer compensates for the non-linear effects impressed onto a received symbol by selecting between equalization coefficients based upon a previous received symbol. The received symbol may be represented in form of logic signals based on the binary number system. When the previous received symbol is a binary zero, the non-linear decision feedback equalizer selects an equalization coefficient corresponding to binary zero to compensate for the non-linear effects impressed onto the received symbol. When the previous received symbol is a binary one, the non-linear decision feedback equalizer selects an equalization coefficient corresponding to binary one to compensate for the non-linear effects impressed onto the received symbol. | 09-29-2011 |
| 20110235628 | SIGNALING FORMAT FOR WLANS - A method for wireless communication begins by determining whether legacy devices are within a proximal region of the wireless communication. The method continues, when at least one legacy device is within the proximal region, formatting a frame to include: a legacy preamble; a signal field; an extended preamble; at least one additional signal field; at least one service field; an inter frame gap; and a data field. | 09-29-2011 |
| 20110235511 | COEXISTENCE MANAGEMENT FOR COOPERATIVE TRANSCEIVING IN A SHARED SPECTRUM - A wireless interface circuit transceives packetized data between a host module and a first external device using a frequency spectrum, wherein the packetized data is formatted in accordance with a first wireless communication protocol and wherein the packetized data includes an indication that the first external device is configured to use at least a portion of the frequency spectrum for communication via a second wireless communication protocol. A coexistence management module generates a wireless interface schedule that includes a least one contention free period reserved for communication via the second wireless communication protocol, and generates schedule data, based on the wireless interface schedule, for transmission to a plurality of external devices including the first external device. | 09-29-2011 |
| 20110230150 | POWER CONSUMPTION MANAGEMENT IN A MIMO TRANSCEIVER AND METHOD FOR USE THEREWITH - A mobile communication device includes a first wireless transceiver that receives a first inbound RF signal and that transmits a first outbound RF signal based on a first power supply signal. A second wireless transceiver receives a second inbound RF signal and that transmits a second outbound RF signal based on a second power supply signal. A processing module generates at least one power mode signal based on first transmit power control data received via the first inbound RF signal. A power management circuit adjusts a first power consumption parameter of the first power supply signal and a second power consumption parameter of the second power supply signal based on the at least one power mode signal. | 09-22-2011 |
| 20110228875 | MODIFIED PREAMBLE FOR PROGRAMMABLE TRANSMITTER - A programmable transmitter generates a frame preamble to train a receiver with respect to a communication link format that corresponds to a transmission mode wherein the transmission mode may comprise transmitting the communication link over one or more antennas. Generally, the invention includes generating a preamble with an arrangement that depends upon whether a Greenfield (high data rate) or mixed mode transmission is to occur and that depends upon a number of spatial streams that are to be generated. One format for high data rate transmission includes a short training sequence, a long training sequence and a signal field. The mixed mode transmission further includes a legacy prefix. | 09-22-2011 |
| 20110228754 | PACKETIZED AUDIO DATA OPERATIONS IN A WIRELESS LOCAL AREA NETWORK DEVICE - A wireless local area network (WLAN) transceiving integrated circuit includes a WLAN interface, an input buffer, an input buffer controller, and a processor. The WLAN transceiving integrated circuit may also include an output buffer, an output buffer controller, a transcoder, and/or an audio Coder-Decoder (CODEC). The WLAN transceiving integrated circuit is installed in a WLAN device that services voice communications. The input buffer receives packetized audio data from the WLAN interface. When the input buffer satisfies a buffer vacancy threshold, the processor and the input buffer controller cooperatively operate to fill at least a portion of the input buffer with packetized audio data. The processor copies packetized audio data from the input buffer and fills the input buffer with the copied packetized audio data to maintain an audio pattern in the input buffer. The input buffer controller fills the input buffer when the processor is available and after copying/filling is no longer effective. The processor operates to maintain the audio pattern when additional packetized audio data is received by the WLAN interface. These operations are also performed for the output buffer, which receives packetized audio data from the transcoder and writes the packetized audio data to the WLAN interface. | 09-22-2011 |
| 20110228713 | DUAL BAND WLAN MIMO HIGH ISOLATION ANTENNA STRUCTURE - A dual band high isolation antenna structure includes a diplexer unit, a 4-port decoupling module, a first frequency band antenna assembly, and a second frequency band antenna assembly. The diplexer unit is operable to frequency domain multiplex between a first frequency band and a second frequency band. The 4-port decoupling module is operably coupled to the diplexer unit and is operable to isolate a first pair of ports from a second pair of ports. The first frequency band antenna assembly is operably coupled to the diplexer unit and is operable to transceive wireless signals in the first frequency band. The second frequency band antenna assembly is operably coupled to a port in each of the first and second pairs of ports and is operable to transceive wireless signals in the second frequency band. | 09-22-2011 |
| 20110227768 | Imbalance and distortion cancellation for composite analog to digital converter (ADC) - Imbalance and distortion cancellation for composite analog to digital converter (ADC). Such an ‘ADC’ is implemented using two or more ADCs may be employed for sampling (e.g., quantizing, digitizing, etc.) of an analog (e.g., continuous time) signal in accordance with generating a digital (e.g., discrete time) signal. Using at least two ADCs allows for the accommodation and sampling of various signals having a much broader dynamic range without suffering degradation in signal to noise ratio (SNR). Generally, the signal provided via at least one of the paths corresponding to at least one of the respective ADCs is scaled (e.g., attenuated), so that the various ADCs effectively sample signals of different magnitudes. The ADCs may respectively correspond to different magnitude and/or power levels (e.g., high power, lower power, any intermediary power level, etc.). Various implementations of compensation may be performed along the various paths corresponding to the respective ADCs. | 09-22-2011 |
| 20110227651 | PROGRAMMABLE GAIN AMPLIFIER AND TRANSCONDUCTANCE COMPENSATION SYSTEM - A programmable gain amplifier (PGA) system comprises selectable parallel transconductors in a front end, independently selectable serial amplification circuits in a back end. The back end is configured to receive an output of the front end and may include a plurality of current or voltage mode amplifiers in series. The PGA system also includes control circuitry to select a gain configuration for the PGA by selecting selectable components in the front and back ends. The PGA system may additionally include control circuitry configured to change the transconductance of one or more of the front end transconductors such that the gain configurations of the PGA are independent of variations such as those due to temperature and fabrication. The PGA system may be used between a signal receiver and an analog to digital converter. | 09-22-2011 |
| 20110225625 | DYNAMIC AUTHENTICATION OF A USER - According to an example embodiment, a system may include at least one processor and at least one memory comprising a policy module configured to receive data indicating risk factors associated with users of the system; update risk levels for the users by applying the data to risk factor rules; and provide the updated risk levels and/or authentication levels associated with the updated risk levels to an authentication module in response to receiving requests from the authentication module. The at least one processor and at least one memory may also comprise the authentication module configured to receive a first access request from a user; in response to receiving the first access request, request a first updated risk and/or authentication level for the user from the policy module; and require the user to provide a first authentication technique to grant the first access request based on the first updated risk and/or authentication level received from the policy module. | 09-15-2011 |
| 20110222490 | Bandwidth mechanisms and successive channel reservation access within multiple user, multiple access, and/or MIMO wireless communications - Bandwidth mechanisms and successive channel reservation access within multiple user, multiple access, and/or MIMO wireless communications. A management frame, communicated from one wireless communication devices to one or more others, includes successive channel reservation assignment therein, and also indicates channel(s) within cluster(s) for use in respective communications (e.g., transmissions/receptions) of those wireless communication device(s) that receive the management frame. Subsequent management frames can modify or update such a channel assignment. Channel reservation for use in communications by respective wireless communication devices may be grown when additional channels may become available. Based on later determined information regarding the channel availability status, such channels that may become available can be used for subsequent, wider bandwidth communications. All communications include a primary channel (as indicated by a management frame, prior control frame, or other means) that may be located at a band edge or between respective channels (e.g., not at a band edge). | 09-15-2011 |
| 20110221643 | ADJUSTABLE INTEGRATED CIRCUIT ANTENNA STRUCTURE - An adjustable integrated circuit antenna structure includes an antenna, a ground plane, a plurality of transmission line circuit elements and a coupling circuit. The coupling circuit is operable to couple at least one of the plurality of transmission line circuit elements into a transmission line circuit based on a transmission line characteristic signal. The transmission line circuit has at least one of a bandwidth, an impedance, a quality factor, and a frequency band in accordance with the transmission line circuit characteristic signal. | 09-15-2011 |
| 20110219242 | METHOD AND SYSTEM FOR MANAGING SECURE CODE LOADING IN PC-SLAVE DEVICES - A secure processor in a PC-slave device may manage secure loading of execution code and/or data, which may be stored, in encrypted form, in a PC hard-drive. The secure processor may cause decryption of the execution code and/or data by the PC-slave device, and storage of the decrypted execution code and/or data in a restricted portion of a memory that is dedicated for use by the PC-slave device, with the restricted portion of the dedicated memory being only accessible by the PC-slave device. The secure processor may validate decrypted execution code and/or data. The secure processor may block operations of a main processor in the PC-slave device during secure loading of execution code and/or data, and may discontinue that blocking after validating the decrypted execution code and/or data. The secure processor may store encryption keys that are utilized during decryption of the encrypted execution code and/or data. | 09-08-2011 |
| 20110217975 | System and Method Providing Concurrent Multimode Communication - A system and method providing concurrent multimode communication through multimode signal multiplexing. Various aspects of the present invention may comprise, during a first time period, transmitting a first portion of a first communication in a first communication mode in a serial wireless transmission stream. During a second time period after the first time period, a first portion of a second communication may be transmitted in a second communication mode in the serial wireless transmission stream. Also, during a third time period after the second time period, a second portion of the first communication may be transmitted in the first communication mode in the serial wireless transmission stream. In an exemplary scenario, prior to communicating various communications, transmission time may be allocated between the first and second communication modes. In another exemplary scenario, transmission may be switched between a plurality of communication modes in response to detected communication conditions. | 09-08-2011 |
| 20110216750 | WIRELESS LOCAL AREA NETWORK DEVICE SUPPORTING ENHANCED CALL FUNCTIONS - A wireless local area network (WLAN) transceiving integrated circuit services voice communications in a WLAN with at least one other wireless device and includes a WLAN interface, a transcoder, and a switch box. The WLAN interface wirelessly communicates with at least one wireless device to receive inbound packetized audio data from the at least one wireless device and to transmit outbound packetized audio data to the at least one wireless device. The transcoder receives the inbound packetized audio data and converts the inbound packetized audio data to inbound Pulse Code Modulated (PCM) WLAN audio data. The WLAN interface also receives outbound PCM WLAN audio data and converts the outbound PCM WLAN audio data to the outbound packetized audio data. The switch box operably couples between the transcoder and a PCM bus, to which an audio COder/DECoder (CODEC) couples. A speaker and a microphone coupled to the audio CODEC. The switch box enables the wireless transceiving integrated circuit to perform call conferencing operations, call forwarding operations, call hold operations, call muting operations, and call waiting operations. | 09-08-2011 |
| 20110214912 | VIA STRUCTURE FOR MULTI-GIGAHERTZ SIGNALING - A via structure is disclosed to pass electronic signals from a first conductive pathway formed on a first outermost substrate of a multi-layer PCB to a second conductive pathway formed on a second outermost substrate of the multi-layer PCB. The via structure allows the electronic signals to pass from the first outermost substrate through one or more inner substrates to the second outermost substrate. The one or more inner substrates include one or more closed geometric structures to enclose the via structure. | 09-08-2011 |
