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| Number | Title | Issue Date |
| 8190380 | Multipoint voltage and current probe system A metrology system monitors radio frequency (RF) power at a plurality of locations in a circuit. The system includes a plurality of RF sensors that generate respective analog signals based on electrical properties of the RF power, a multiplexing module that generate... | 05/29/2012 |
| 8180284 | Method and system for coordinating necessary radio transmission events with unrelated opportunistic events to optimize battery life and network resources A method and apparatus for sending an event from user equipment operating in a mobile network, the method comprising the steps of: monitoring whether an unrelated opportunistic event has occurred; and sending said event with said unrelated opportunistic event. ... | 05/15/2012 |
| 8175557 | Processing received digital data signals based on a received digital data format An integrated circuit radio receiver includes radio frequency (“RF”) front-end circuitry to receive a wireless signal and to produce digital data. The integrated circuit radio receiver includes a baseband processor is operable to process the digital data, in whi... | 05/08/2012 |
| 8175549 | Closed loop transmitter IQ calibration A novel and useful apparatus for and method of closed loop IQ calibration for use in a transmitter. The IQ calibration mechanism functions to provide calibration of IQ imbalance in the presence of real world RF impairments. An iterative process is used to update the... | 05/08/2012 |
| 8175535 | Active cancellation of transmitter leakage in a wireless transceiver Active transmitter leakage cancellation techniques are disclosed, for reducing transmitter leakage in a frequency-duplexing radio transceiver. Reducing transmitter leakage to the receiver path of a duplex transceiver eases the linearity requirements for low-noise am... | 05/08/2012 |
| RE43369 | Mobile communication system enabling efficient use of small-zone base stations A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stati... | 05/08/2012 |
| 8175561 | Automatic optimization of RF receiver interference performance A method and apparatus for optimization of RF receiver interference performance in a mobile phone operating in a TDMA communications system is disclosed. The battery supply voltage ripple of the battery of the mobile phone is measured and it is determining when the ... | 05/08/2012 |
| RE43342 | Mobile communication system enabling efficient use of small-zone base stations A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stati... | 05/01/2012 |
| 8170497 | IC having an RF bus structure An integrated circuit (IC) includes a die and a package substrate. The die includes circuit modules and an RF bus transceiver module and the package substrate includes a micro-electromechanical (MEM) area. The RF bus transceiver module includes a baseband processing... | 05/01/2012 |
| 8170602 | Information acquisition device, information providing device, and information providing system An information acquisition device for acquiring digital Information includes: a first transmission unit (14) having directivity and transmitting by wireless an information request signal to be transmitted in a direction of the directivity; an information addi... | 05/01/2012 |
| 8165556 | High dynamic range time-varying integrated receiver for elimination of off-chip filters A receiver circuit includes an amplifier, an output impedance, and a mixer. The amplifier is arranged to generate an amplifier output. The mixer has an input and an output respectively coupled to the amplifier and the output impedance. The output impedance sets freq... | 04/24/2012 |
| 8160636 | Semiconductor device A semiconductor device is provided, which comprises a first circuit including a variable resistance element, a second circuit electrically connected to the first circuit, and an antenna circuit configured to supply power to the first circuit. A resistance value of t... | 04/17/2012 |
| 8160521 | Mobile communication terminal and method for controlling a plurality of receiving apparatuses mounted on mobile communication terminal Signals are received with a wider power range even through the use of existing AGCs than by conventional mobile communication terminals. In an AGC on one antenna side, in order to enable reception of a signal at a higher level, a target TA of a dynamic range DA of t... | 04/17/2012 |
| 8155061 | Method of and system for transmitting signals using frequency hopping Method of and system for transmitting signals, e.g. control signals, request signals, interrogation signals etc. in a control system comprising at least two units, wherein at least one of said units is designed to operate as a master unit and wherein at least one of... | 04/10/2012 |
| 8145128 | Wireless reception apparatus, wireless transmission apparatus, wireless communication system, wireless reception method, wireless transmission method, and wireless communication method The present invention relates to an apparatus and a method capable of achieving closed loop MIMO communications, using reduced feedback, without a loss in system performance. In one embodiment of the present invention, a phase-rotated right handed singular vector ma... | 03/27/2012 |
| 8140113 | High frequency signal combining An integrated circuit transmission system includes a dielectric substrate wave guide and first and second substrate antennas. A substrate transmitter is operable to produce an radio frequency (RF) signal, the RF signal having first and second components. A micro-str... | 03/20/2012 |
| 8140027 | Automatic frequency tuning system and method for an FM-band transmit power amplifier An automatic frequency tuning system and method for a transmit power amplifier. The transmit power amplifier has an antenna feed line including a series capacitor and is coupled to an output of an output driver. In one embodiment, the system includes: (1) a shunt ca... | 03/20/2012 |
| 8126407 | Transmitter circuit A transmitter circuit. One embodiment provides for emitting electromagnetic waves. The circuit has a transmitting device for outputting a transmission signal, an antenna device for emitting the transmission signal in the form of an electromagnetic wave, and a matchi... | 02/28/2012 |
| 8126501 | Semiconductor device and electronic device This invention provides a high frequency power module which is incorporated into a mobile phone and which incorporates high frequency portion analogue signal processing ICs including low noise amplifiers which amplify an extremely weak signal therein. A semiconducto... | 02/28/2012 |
| 8121559 | Wireless transmitter A wireless transmitter includes: a plurality of transmission antennas; a phase rotating unit which adds phase rotation to signals which are respectively input to the plurality of transmission antennas; and a reception unit which receives information on phase control... | 02/21/2012 |
| 8116692 | Received signal to noise indicator A method and device may be used to produce a received interference value in wireless communications. A wireless transmit/receive unit comprising a radio frequency signal measurement device may be configured to produce a value indicating a radio frequency signal, noi... | 02/14/2012 |
| 8112050 | Reducing power consumption in receivers employing conversion to intermediate frequency A receiver to recover a signal of interest while consuming reduced power in some scenarios. The receiver contains a in-phase channel processing path and a quadrature phase channeling path for down converting an input signal to an intermediate frequency, and then rec... | 02/07/2012 |
| 8107895 | Independent power consumption management in a MIMO transceiver and method for use therewith An integrated circuit (IC) includes a multi-input multi-output transceiver system that includes a plurality of RF transceivers. Each RF transceiver includes an RF transmitter that transmits a transmit signal at a selected transmit power, based on a transmit power co... | 01/31/2012 |
| 8107908 | Selective fast image rejection Selective fast image rejection. Selective down conversion processing is performed on a received signal based on the signal strength of that received signal. As few as two possible down conversion frequencies can be employed so that the received signal is down conver... | 01/31/2012 |
| 8107912 | Mobile communication apparatus A transceiver suitable for larger scale of integration employs direct conversion reception for reducing the number of filters. Also, the number of VCOs is reduced by utilizing dividers to supply a receiver and a transmitter with locally oscillated signals at an RF b... | 01/31/2012 |
| 8108014 | Portable communication device including a spring lift assembly A portable communication device is configured to include a display and an auxiliary portion. In conventional operating modes, such as with the display closed or slid open to access the keypad, the auxiliary portion is concealed by the display. When the display is sl... | 01/31/2012 |
| 8103213 | Software-defined radio configuration A system for configuring communication resources that are at least partially based upon reconfigurable software modules. An apparatus may utilize a plurality of transports for communication, wherein the transports are supported by one or more radio modules. The one ... | 01/24/2012 |
| RE43138 | Mobile communication system enabling efficient use of small-zone base stations A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stati... | 01/24/2012 |
| 8095082 | Dual band radio frequency transmitter A transmitter includes a transformer and a transformer tuning circuit. The transformer transforms a differential radio frequency (RF) signal to a single-ended RF signal. The transformer tuning circuit tunes the transformer to permit the transmitter to transmit the s... | 01/10/2012 |
| 8095093 | Multi-mode transmitter having adaptive operating mode control Methods and apparatus for transmitting communications signals that are both power efficient and effective at avoiding or reducing transmitter-generated receive band noise. An exemplary transceiver apparatus includes a multi-mode transmitter that is configurable to o... | 01/10/2012 |
| 8095095 | Band switch control apparatus for intermediate frequency filter A band-switch control apparatus for an intermediate-frequency filter comprising: an adjacent interference-signal detecting unit for detecting an adjacent interference-signal, having a frequency adjacent to the desired frequency, superimposed on a reception signal ha... | 01/10/2012 |
| 8095100 | Receiver with sigma-delta structure There is provided a receiver with a sigma-delta structure, the receiver including: a low noise amplifier amplifying a received signal according to a detection signal; a mixer converting an RF signal of the low noise amplifier into an IF signal; a sigma-delta A/D con... | 01/10/2012 |
| 8090328 | Voice, data and RF integrated circuit with off-chip power amplifier and methods for use therewith An RFIC includes an RF transmitter, that generates an RF signal to a power amplifier module that operates a selected one of a plurality of power amplifiers, based one or more control signals. A processing module generates the control signals based on a selected one ... | 01/03/2012 |
| 8086194 | Communication apparatus A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absenc... | 12/27/2011 |
| 8086195 | Communication unit and method of operation therefor A communication unit for a radio communication system comprises a receiver for receiving data over an air interface. The receiver can operate in a first diversity mode and a second diversity mode. The first diversity mode may specifically correspond to no receive di... | 12/27/2011 |
| 8081929 | Method and system for optimal frequency planning for an integrated communication system with multiple receivers Methods and systems for optimal frequency planning for an integrated communication system with multiple receivers may include adjusting a center frequency of a low IF signal to reduce interference by a second order interference signal. The center frequency may be ad... | 12/20/2011 |
| 8081934 | Configurable frequency band elimination for powerline network A communication device for use in adapting an appliance to a computer network consistent with certain embodiments has a data transmitter that receives data to be transmitted and generates output signals carrying the data at a plurality of carrier frequencies. A user... | 12/20/2011 |
| 8081947 | Method and system for configurable active/passive mixer and shared GM stage Aspects of a method and system for configurable Active/Passive Mixer and Shared GM Stage may include configuring an RF mixer in frequency demodulator to operate in an active mode or a passive mode. An in-phase (I) processing path and a quadrature (Q) processing path... | 12/20/2011 |
| 8073417 | Method and system for a transformer-based high performance cross-coupled low noise amplifier Aspects of a method and system for a transformer-based high performance cross-coupled low noise amplifier may include one or more circuits that integrate within a single chip, a balun with a low-noise amplifier. A DC current biasing path for the low-noise amplifier ... | 12/06/2011 |
| 8068793 | Method and system for enhancing efficiency by modulating power amplifier gain Aspects of a method and system for enhancing efficiency by modulating power amplifier (PA) gain are presented. Aspects of the system may comprise a PA gain modulator that enables modification of an amplitude of a digital baseband signal. A baseband processor may ena... | 11/29/2011 |
