Patent application number | Description | Published |
20090023404 | Controlling a Receiver - A receiver | 01-22-2009 |
20090168800 | Control of radio process - An apparatus controlling multiple radio processes for simultaneous operation At least one of the radio processes uses a substantially continuous transmitter. A controller is configured to determine an interference level and change parameters in the transmitter in order to reduce the interference level. Parameters controlled by the controller include the transmission frequency, modulation method, signal level and a received signal quality. | 07-02-2009 |
20090252122 | Method for reducing interference - This invention relates to wireless communication systems, specifically to methods for reducing interference. The invention allows a mobile station to determine if certain transmissions of the mobile station cause interference to reception by a second receiver in the mobile station, and indicate to the network that a change in a transmission parameter of the mobile station is desired. The network can then change a transmission parameter to reduce interference observed by the second receiver. | 10-08-2009 |
20090295230 | Selective coupling of a powered component - An apparatus includes a switch controllable selectively to couple a powered component to a battery output connection or to a battery bypass circuit coupled to a charging input. | 12-03-2009 |
20100127945 | Apparatus for compensation of the impedance and the load phase of the antenna element - An apparatus including an antenna element having an impedance and a load phase; a phase shifter coupled to the antenna element; and a controller for controlling, in response to a change in a context of the apparatus, the phase shifter to compensate for a consequent change in the impedance and the load phase of the antenna element. | 05-27-2010 |
20120329407 | Antenna Arrangement - There is provided a method, an apparatus and a computer program product, which introduces a phase shift between radiation phase patterns of associated antennas which are applicable in transmitting and/or receiving radio frequency signals simultaneously via an air interface, wherein the phase shift is introduced in order to obtain orthogonality between the associated radio frequency signals. | 12-27-2012 |
20130130634 | Method for Arranging Tuning Parameters to an RF Radio Module - A mechanism for providing tuning values to an RF radio module that, does not have memory for storing tuning values. Tuning values are requested from a server maintaining tuning values. The request is made by a device including the RF radio module for which the tuning values are requested. Requested tuning values are then received in accordance with the request. The received tuning values are stored in to a memory of the device including the RF radio module and applied to the RF radio module. | 05-23-2013 |
20130136196 | Wireless Communication Apparatus and Method - In relation to wireless communication, a communications apparatus suitable for installation into a vehicle provides a user-driven communication capability in a vehicle communications system. The apparatus includes means providing a wide-area communication capability, at least one antenna interface for conveying signals to and/or from at least one antenna providing wide-area communication, at least one power input configured to receive operating power for the apparatus from a vehicle and at least one digital communication interface for providing connectivity to a master unit of the vehicle. | 05-30-2013 |
20130137475 | Frequency Sub-Band Selection in Wireless Communications - This document discloses a solution where a network element of a cellular communication system detects appearance of a terminal device in the cellular communication system. In connection with registering the terminal device in the cellular communication system, the network element determines that a native frequency band of the terminal device is a sub-band of an operating frequency band of the cellular communication system and, then, allocates to the terminal device frequency resources from the native frequency band of the terminal device. | 05-30-2013 |
20130159478 | METHOD AND APPARATUS FOR REDUCED POWER CONSUMPTION - A method, apparatus and computer program product are provided in order to dynamically select a network configuration that results in reduced power consumption by the mobile terminal. In this regard, a method is provided that includes characterizing an upcoming communication, wherein the characterization comprises at least one of transmission or reception. The method further includes determining a proposed network configuration based on a determined power consumption level of one or more network configurations available in a geographical area and the characterization of the upcoming communication. The method also includes causing the preferred configuration to be transmitted to a network entity. | 06-20-2013 |
20130162470 | Timing-Based Positioning Accuracy - There are provided measures for enabling an improvement of timing-based positioning accuracy. Such measures may exemplarily include determining a delay value of a receiver path, via which a positioning-related signal is received, on the basis of at least one reception parameter, measuring a timing value for timing-based positioning calculation on the basis of the received positioning-related signal, and correcting the measured timing value on the basis of the determined delay value of the receiver path | 06-27-2013 |
20130163451 | Terminal-Assisted Improvement of Timing-Based Positioning Accuracy - There are provided measures for enabling a terminal-assisted improvement of timing-based positioning accuracy. Such measures may exemplarily include measuring a cell-related timing value for timing-based positioning calculation on the basis of a cell-originated positioning-related signal and measuring a terminal-related timing value for timing-based positioning calculation at an apparatus to be positioned, and utilizing the measured cell-related timing value and the measured terminal-related timing value for timing-based positioning calculation relating to the apparatus to be positioned at a network side. | 06-27-2013 |
20130166246 | Sensor-assisted Improvement of Timing-Based Positioning Accuracy - There are provided measures for enabling a sensor-assisted improvement of timing-based positioning accuracy. Such measures may exemplarily include measuring a first timing value for timing-based positioning calculation on the basis of a first positioning-related signal at a first time, measuring a second timing value for timing-based positioning calculation on the basis of a second positioning-related signal at a second time, deriving movement information indicative of a movement of an apparatus to be positioned during a time interval from the first time to the second time, and utilizing the measured first timing value, the measured second timing value and the derived movement information for timing-based positioning calculation relating to the apparatus to be positioned at a network side. | 06-27-2013 |
20130176913 | Method and Apparatus for Time Division Duplex Communication - Embodiments provide a method and apparatus for performing time division duplex communication, such as may be performed over a wireless communications network. In the embodiments a first circuit pathway is used to transmit a first radio frequency signal in a transmission mode and a second circuit pathway is used to receive a second radio frequency signal in a reception mode. In the reception mode, the first radio frequency signal is switched to an alternate circuit pathway. This may be performed by a radio frequency integrated circuit or by other control circuitry. Switching to an alternate circuit pathway reduces leakage of the first radio frequency signal into the second radio frequency signal. | 07-11-2013 |
20130194987 | Power Control for Inter-Band Multi-Carrier Capable Devices - There are provided measures for enabling power control for inter-band multi-carrier capable devices, such as e.g. inter-band carrier aggregation capable devices. Such measures may exemplarily include calculating at least one output power restriction value for a cumulative output power for a combination of at least two uplink carriers of a terminal device, said two uplink carriers operating on different bands, signaling the calculated at least one output power restriction value to the terminal device, and performing power control for the at least two uplink carriers using the acquired at least one output power restriction value at the terminal device. | 08-01-2013 |
20130196648 | Power Restriction Control for Inter-Band Multi-Carrier Capable Devices - There are provided measures for enabling power restriction control for inter-band multi-carrier capable devices, such as e.g. inter-band carrier aggregation capable devices. Such measures may exemplarily include a distortion level determination on a downlink band of a terminal device when using at least one output power restriction value for output power for at least one uplink band of the terminal device, and a power restriction control with respect to the at least one output power restriction value on the basis of the determined distortion level and a preconfigured distortion threshold condition. | 08-01-2013 |
20130208636 | METHOD AND APPARATUS FOR TIME DIVISION DUPLEX COMMUNICATION - Embodiments provide a method and apparatus for performing time division duplex communication, such as may be performed over a wireless communications network. In the embodiments a first circuit pathway is used to transmit a first radio frequency signal in a transmission mode and a second circuit pathway is used to receive a second radio frequency signal in a reception mode. In the reception mode, the first radio frequency signal is switched to an alternate circuit pathway. This may be performed by a radio frequency integrated circuit or by other control circuitry. Switching to an alternate circuit pathway reduces leakage of the first radio frequency signal into the second radio frequency signal. | 08-15-2013 |
20130244722 | RECONFIGURABLE RADIO FREQUENCY CIRCUITS AND METHODS OF RECEIVING - A reconfigurable radio frequency circuit is arranged for receiving at least one carrier in a wireless communications terminal arranged to receive at least two carriers, each of the two carriers being transmitted in a different one of a plurality of operating frequency bands, and each of the plurality of operating frequency bands occupying a part of a first or a second frequency range. The circuit includes a combiner for connecting the output of a first receiver filter at a first operating frequency band within the first frequency range to the input of an amplifier and for connecting the output of a second receiver filter at a second operating frequency band within the second frequency range to the input of the amplifier. The amplifier has a selectable operating frequency range, the operating frequency range being selectable at least between the first frequency range and the second frequency range. | 09-19-2013 |
20130278472 | Antenna Arrangement - Apparatus, methods, computer software and computer program products are provided for tuning a user equipment antenna to simultaneously operate at more than one resonant frequency by combining a first electrical load and a first frequency selective component to tune the antenna to a first resonant frequency with respect to signals in a first frequency range, and combining a second electrical load and a second frequency selective component to tune the antenna to a second resonant frequency with respect to signals in a second frequency range. The first electrical load, the second electrical load, the first frequency selective component and the second frequency selective component act to tune the antenna to operate simultaneously at the first resonant frequency and the second resonant frequency. | 10-24-2013 |
20140118200 | Wireless Communication Arrangement - A wireless communication arrangement ( | 05-01-2014 |
20140153498 | Filtering - Methods, apparatuses, computer software and computer program products for indicating filtering capabilities of user equipment. Information associated with filtering capabilities of the user equipment is transmitted from the user equipment to a communication counterpart. | 06-05-2014 |
20140162574 | Mobile Communication - An apparatus for use in a mobile device includes a switch unit configured to switch a common connection of a transmitter and a first receiver from a first antenna to a second antenna and a connection of a respective second receiver from the second antenna to the first antenna; and a processing system configured to detect a switch condition that the transmitter needs to transmit via the second antenna, obtain power-related reception parameters of said first and said second receivers, cause the switch unit to switch the common connection of the transmitter and the first receiver so that the transmitter transmits via the second antenna, and adjust the power of the transmitter in dependence on the power-related reception parameters. | 06-12-2014 |
20140163814 | APPARATUS, METHODS AND COMPUTER PROGRAM PRODUCT FOR THERMAL MANAGEMENT OF USER EQUIPMENT COUPLED TO A VEHICLE - Apparatus, a method and a computer program product periodically determine one or more temperature thresholds and configuration settings attributable to one or more user equipment coupled to a vehicle. The one or more determined temperature thresholds and configuration settings are sent to the one or more user equipment in a thermal management scheme message. The one or more user equipment are adapted to adjust an operational threshold in response to the received thermal management scheme message. | 06-12-2014 |
20140219141 | METHOD AND APPARATUS FOR TIME DIVISION DUPLEX COMMUNICATION - Embodiments provide a method and apparatus for performing time division duplex communication, such as may be performed over a wireless communications network. In the embodiments a first circuit pathway is used to transmit a first radio frequency signal in a transmission mode and a second circuit pathway is used to receive a second radio frequency signal in a reception mode. In the reception mode, the first radio frequency signal is switched to an alternate circuit pathway. This may be performed by a radio frequency integrated circuit or by other control circuitry. Switching to an alternate circuit pathway reduces leakage of the first radio frequency signal into the second radio frequency signal. | 08-07-2014 |
20140376455 | Controlling TX Antenna Selection - Measures for controlling uplink antenna selection in a user equipment comprising at least two antennas. At the user equipment, at least two radio wave signals are received, fading conditions in relation to the received at least two radio wave signals are detected and uplink antenna selection in the user equipment is controlled at least on the basis of the detected fading conditions. | 12-25-2014 |
Patent application number | Description | Published |
20090285135 | Apparatus method and computer program for radio-frequency path selection and tuning - An apparatus includes a tunable diplexer; first, second and third radio nodes; and path selection circuitry. The tunable diplexer includes a dedicated port, at least a first signal port and a second signal port, and control inputs configured to change at least one of frequency characteristics and phase characteristics of the tunable diplexer. The path selection circuitry is configurable to select between a first signal pathway between the third radio node and the first signal port and a second signal pathway between the third radio node and the second signal port. The tunable diplexer may have control signals inputs to select between the first and second signal pathways based on an expected interference scenario between radio signals at the first and second signal ports, and the control signals may change frequency characteristics and/or phase characteristics of at least one of the signal ports based on an operational condition of the apparatus. | 11-19-2009 |
20090286501 | Apparatus method and computer program for configurable radio-frequency front end filtering - A radio use case is determined for concurrently operating radios of a multi-radio device and/or transmitter and receiver of a FDD radio. A local memory is accessed with the determined use case to find a high and/or a low frequency cutoff for the concurrent operation radio or transmitter/receiver. Control signals are applied to impose the high and/or the low frequency cutoff to a pair of frequency adjustable diplexers that are in series with one another in one of a transmit branch or a receive branch of a duplexer circuit that is disposed between the radio and an antenna. Then, a receive signal is passed through the antenna and the receive branch of the duplexer circuit to the radio or receiver of the FDD radio, or a transmit signal is passed from the respective radio or transmitter of the FDD radio through the transmit branch of the duplexer circuit to the antenna. | 11-19-2009 |
20090286569 | Apparatus method and computer program for interference reduction - A circuit includes a radiofrequency circuit component, a diplexer, a termination, and a further component. The diplexer includes a common port configured to receive an input from the radiofrequency circuit component, a first output port, and a second output port. The termination is configured to receive an input from the first output port of the diplexer. The further component is configured to receive a radiofrequency signal input from the second output port of the diplexer. The circuit may be adapted for a multi-radio device and have a control input for varying a frequency split between the first and second output port according to a radio use case of radios in simultaneous operation. | 11-19-2009 |
20100134202 | Output selection of multi-output filter - Described is a filtering arrangement in which a first filter is configured to exhibit a first frequency response FR and has a first node and a second node; a second filter is configured to exhibit a second FR and has a first node and a second node; and a third filter is configured to exhibit a third FR and has a first node and a second node. A first common node interfaces the second node of the first filter with the second node of the second filter; and a second common node interfaces the first node of the second filter with the first node of the third filter. The second FR exhibited by the second filter isolates a first signal on a first signal path between the first node of the first filter and the first common node from a second signal on a second signal path between the second common node and the second node of the third filter. | 06-03-2010 |
20110116423 | Antenna Impedance Stabilization With Stabilization Load In Second Antenna Circuitry - There are first and second antennas proximally disposed and configured to resonate within respective first and second frequency bands, which may overlap. An impedance stabilization circuitry is coupled to ground. There is a selective coupler (for example, diplexer, directional coupler, switch) interfacing the second antenna selectively with the impedance stabilization circuitry and with radio circuitry. The selective coupler comprises a first port coupled to the second antenna, a second port coupled to the impedance stabilization circuitry, and a third port configured to couple with radio circuitry that is configured to operate in the second frequency band. The selective coupler provides a predetermined impedance to signals within the first frequency band and a low insertion loss to signals within the second frequency band, thus providing a stable impedance for the first antenna's view of the second antenna. | 05-19-2011 |
Patent application number | Description | Published |
20090130989 | Qualify method for shielding of transceiver RF block - A method is provided for inputting a signal that is modulated at a predetermined frequency to a receiver signal path of a radio subsystem and demodulating the signal at the predetermined frequency as it passes through the receiver signal path, measuring signal quality of the demodulated signal, and quantitatively assessing shielding of the radio subsystem with the measured signal. | 05-21-2009 |
20110045786 | APPARATUS AND METHOD FOR SWITCHING FROM RECEPTION TO TRANSMISSION - The invention is related to an apparatus comprising: at least one definition unit configured to define signal characterizing parameters of a transmission; and at least one routing unit configured to route the transmission to at least one transmission path based on the signal characterizing parameters, the at least one transmission path arranged to convey the transmission to at least one antenna. | 02-24-2011 |
20140113572 | Methods, Devices, and Computer Program Products Improving Mobile Communication - A system for use in a mobile device comprises: a switch unit configured to switch a common connection of a transmitter and a first receiver from a first antenna to a second antenna and a connection of a second receiver from the second antenna to the first antenna; and a processing system configured to receive at least two reception signals from the first and second receivers; in response to receiving the two reception signals, evaluate a communication link via the first and second antennae; based on the evaluation of the communication link, determine that the transmitter needs to transmit via the second antenna; obtain reception parameters used by said first and second receivers; cause the switch unit to switch the common connection of the transmitter and a first receiver so that the transmitter transmits via the second antenna; and exchange reception parameters between the at least two receivers. | 04-24-2014 |
20140135061 | APPARATUS AND METHOD FOR SHARING ANTENNA - An apparatus and method for sharing antenna allow an antenna to be shared simultaneously by two modems and a reduction in antenna count. The apparatus includes a first modem and a second modem and a switch system is arranged to selectively connect one of the first and second modems to a first antenna and selectively connect one of the first and second modems to a second antenna. A pass through output is associated with the first modem and arranged to selectively output at least a portion of a received signal to the second modem. The pass through output allows some or all of the received signal to be passed on to the second modem, so both modems can share same antenna at the same time. | 05-15-2014 |
20140141799 | Determination of Receiver Path Delay - Measures for determination of a receiver path delay for timing value measurement. Such measures may comprise causing a temporary signal variation at a start point element of a receiver path for receiving a positioning-related signal for timing value measurement, detecting the temporary signal variation at an end point element of the receiver path, and determining a time difference between a timing of causing the temporary signal variation at the start point element and a timing of detecting the temporary signal variation at the end point element as a delay value of the receiver path. | 05-22-2014 |
20140293841 | RF Front End Arrangement and Method for Sharing First and Second Antennas by Different Frequency Bands - An RF front end arrangement comprises first filtering, second filtering, third filtering, fourth filtering and a switching arrangement. The switching arrangement is configured to selectively connect the filtering to plural antennas such that at a particular time the first and third filtering is connected to a first antenna and the second and fourth filtering is connected to a second antenna. This allows filtering with different frequency response characteristics to be in use simultaneously for the same frequency band. This can reduce the insertion loss associated with a signal path. | 10-02-2014 |
20140295775 | SWITCH ARRANGEMENT - A switch arrangement comprises a first and second single pole switch. The pole of the first switch can selectively connect to a first and second path. The pole of the second switch can selectively connect to the first and second path. The first switch is configurable for a first mode of operation to connect a RF signal received at the pole to the first path to form a RF transmitter chain. The second switch is configurable for the first mode to connect the pole to the first path to form a RF receiver chain for receiving a RF signal. The first switch is configurable for a second mode to connect a RF signal received at the pole to the second path to form a second RF transmitter chain. | 10-02-2014 |
20140295782 | Antenna Control - Measures for fading-based control of an antenna radiation pattern. Such measures may comprise reception of at least one radio wave signal via an antenna unit, detection of fading conditions in relation to the received at least one radio wave signal, and control of an antenna radiation pattern of the antenna unit, at least in terms of antenna lobe width, on the basis of the detected fading conditions. | 10-02-2014 |
20140307599 | Switch Arrangement and Apparatus - A switch arrangement is described which enable the design of a flexible front end allowing many individual and combinations of frequency band allocations to share a single antenna simultaneously. An apparatus using the switch arrangement is also described. The switch arrangement provides a single pole switch for each set of band specific filtering. The band specific filtering is connected to the pole of a respective single pole switch. The single pole switch has contact points enabling connection to of the filtering to an antenna switch both with and without a frequency selective component in the signal path. The frequency selective component allows sharing of the antenna by two or more frequency band allocations to enable simultaneous use of different radio access technologies, MIMO or Carrier Aggregation through a single antenna. When not required the frequency selective component can be switched out of the signal path to reduce insertion loss. | 10-16-2014 |
20140357200 | Method and Apparatus for Controlling Parameters of an Antenna Tuner - The present invention discloses a control method, an apparatus and a computer program for antenna tuner parameters of a radio transceiver. The updating moments of the antenna tuner parameters are selected depending on predominant interference status in the receiver. Based on the sensed interference level, an update decision is made whether the external interference is below a selected threshold value. The parameter change is executed only in low interference situations. In high interference levels (low SIR), the antenna tuner parameters are calculated but they are not enforced in the antenna tuner. The control process for updating the antenna tuner parameters is continuous in given time intervals. | 12-04-2014 |
20140362824 | Transceiver Reconfiguration Mechanism - Embodiments of the invention include a method and apparatus for causing transmission of a signal providing at least one information related to a requirement for a reconfiguration period in which a reconfiguration procedure for reconfiguring a setting of a transceiver system is conducted, receiving and processing a signal which includes information related to a decision whether or not a reconfiguration period is scheduled, and executing a reconfiguration procedure for the transceiver system on the basis of a result of the processing of the received information. | 12-11-2014 |