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| Number | Title | Issue Date |
| 8180409 | Power management of radio transceiver elements A radio receiver includes a power control module for selectively powering down and powering up radio receiver elements in between known communication periods according to one aspect of the present invention. According to a second aspect of the invention, the radio r... | 05/15/2012 |
| 8180314 | Method and system for utilizing givens rotation to reduce feedback information overhead Aspects of a method and system for utilizing Givens rotation to reduce feedback information overhead are presented. Aspects of the system may include a receiver that may enable computation of a beamforming matrix for signals received from a transmitter in a multiple... | 05/15/2012 |
| 8170504 | 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. Ge... | 05/01/2012 |
| 8169263 | Differential gm-boosting circuit and applications A fully-differential circuit includes a differential gm-boosting circuit and/or a differential output circuit. The use of differential gm-boosting and output circuits improves input common-mode and power-supply noise rejection relative to the prior art. The fully di... | 05/01/2012 |
| 8159467 | Meshed touchscreen pattern Meshed touchscreen pattern. A conductive pattern implemented within a touchscreen (e.g., using indium tin oxide (ITO) such as may be deposited on a substrate composed of polyester or some other material) provides paths for signals traveling through the touchscreen. ... | 04/17/2012 |
| 8145178 | Wireless terminal baseband processor high speed turbo decoding module A baseband processing module for use within a Radio Frequency (RF) transceiver includes a downlink/uplink interface, TX processing components, a processor, memory, RX processing components, and a turbo decoding module. The RX processing components receive a baseband... | 03/27/2012 |
| 8112045 | Translational loop transmitter architecture employing channel power ratio measurements for modulation accuracy calibration A Radio Frequency RF transmitter includes a translational loop architecture that supports non-constant envelope modulation types and includes by adjusting the envelope of the translational loop at the translational loop output. The RF transmitter includes an Interme... | 02/07/2012 |
| 8106803 | Discharge digital-to-analog converter A digital-to-analog conversion circuit operates by selectively discharging members of a plurality of capacitors. Charging of the capacitors occurs during a reset period while digital-to-analog conversion occurs as the capacitors are discharged. Those capacitors that... | 01/31/2012 |
| 8094629 | Wireless local area network real-time quality management The present invention provides a Wireless Local Area Network (WLAN) terminal, having a wireless interface that exchanges packetized communications with servicing Access Points (APs). A processing unit communicatively coupled to the wireless interface selects an appr... | 01/10/2012 |
| 8089315 | Programmable gain amplifier A programmable gain amplifier comprising alternatively selectable parallel circuits in a front end and independently selectable serial amplification circuits in a back end. The front end may include, for example, a plurality of transconductors in parallel and each c... | 01/03/2012 |
| 8085674 | Priority trace in data networks A diagnostic tool for identifying priority errors within a data network is realized using a priority trace data packet. The priority trace data packet is originated at an originating node of interest and terminated at a terminating node of interest. At various inter... | 12/27/2011 |
| 8078194 | Position determination using received broadcast signals A radio device that is capable of positioning itself within a broadcast radio system includes a receiver operable to receive a plurality of broadcast radio signals, each broadcast from a respective one of a plurality of broadcast radio signal sources. The radio devi... | 12/13/2011 |
| 8073044 | Polar transmitter with digital and analog filtering of envelope A calibration circuit measures the variation in a filter resistor within the analog domain of the envelope path of a polar transmitter and produces a digital value representative of that variation. A digital processor determines a digital control signal from the dig... | 12/06/2011 |
| 8062133 | Positioning within a video gaming environment using RF signals The position of a mobile gaming object within a video gaming environment is determined using at least one combined Radio Frequency (RF) signal. Each combined RF signal includes at least a pair of RF signals that have a known relationship therebetween. Based on signa... | 11/22/2011 |
| 8019379 | Transmitter and receiver for combining RFID amplitude-modulated data with wireless phase-modulated data A transmitter and receiver for combining RFID amplitude-modulated data with wireless phase-modulated data is realized by a processing module coupled to generate outbound non-amplitude modulated symbols from first outbound data, to generate outbound amplitude modulat... | 09/13/2011 |
| 8009759 | Programmable transmitter A programmable transmitter generates a frame in a frame format according to one of a plurality of operating modes using a frame structure table storing a respective frame format for each of the operating modes. The transmitter includes a frame structure engine that ... | 08/30/2011 |
| 7995604 | Collision avoidance for communications within a device 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... | 08/09/2011 |
| 7974591 | 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. Ge... | 07/05/2011 |
| 7974587 | Local wireless communications within a device 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... | 07/05/2011 |
| 7974356 | Hybrid radio frequency transmitter A hybrid transmitter includes first and second up-conversion modules, a combining module, and a power amplifier circuit. The first up-conversion module is operably coupled to generate a first up-conversion signal based on a normalized in-phase (I) symbol, an in-phas... | 07/05/2011 |
| 7973730 | Adjustable integrated circuit antenna structure An adjustable integrated circuit antenna structure includes a plurality of antenna elements, a coupling circuit, a ground plane, and a transmission line circuit. The coupling circuit is operable to couple at least one of the plurality of antenna elements into an ant... | 07/05/2011 |
| 7962794 | Computer chip set having on board wireless interfaces to support test operations A method and apparatus are provided for an embedded wireless interface that is embedded in, for example, one of an input and output controller device for controlling input and output communications with off-board devices, within a memory controller device and a proc... | 06/14/2011 |
| 7961812 | Digital compensation for nonlinearities in a polar transmitter A polar transmitter includes a digital processor coupled to receive a complex modulated digital signal and a feedback signal produced from the complex modulated digital signal and that is operable to compare the complex modulated digital signal to the feedback signa... | 06/14/2011 |
| 7948956 | Wireless access point service coverage area management A Wireless Access Point (WAP) of a Wireless Local Area Network (WLAN) infrastructure includes a processor, a radio and a directional antenna. The radio supports communications with a first plurality of wireless terminals and listens to, but does not participate in t... | 05/24/2011 |
| 7944376 | Technique for improving modulation performance of translational loop RF transmitters A transmit signal generated by the baseband processor in a translational loop type RF transmitter is “pre-distorted” so as to counter act magnitude distortion and group delay variation imposed by a narrow PLL signal filter. The pre-distortion occurs in two steps... | 05/17/2011 |
| 7941171 | Activating a push-to-talk group feature using an unstructured supplementary service data message Techniques for implementing a push-to-talk feature in a mobile telecommunications environment (100) involve receiving an indication to activate a push-to-talk service for a first mobile device (130(2)) and identifying a group of mobile devices (... | 05/10/2011 |
| 7941159 | Position determination using received broadcast signals A radio device that is capable of positioning itself within a broadcast radio system includes a receiver operable to receive a plurality of broadcast radio signals, each broadcast from a respective one of a plurality of broadcast radio signal sources. The radio devi... | 05/10/2011 |
| 7941138 | Wireless access point management in a campus environment A Wireless Local Area Network (WLAN) is operated in conjunction with a wired Local Area Network (wired LAN) to service a premises, e.g., a campus setting. The wired LAN services the wired communication needs of the premises and serves as the wired backbone of the WL... | 05/10/2011 |
| 7940142 | Two-point modulation polar transmitter architecture and method for performance enhancement A polar transmitter includes a two-point modulation phase-locked loop (PLL) for producing an RF signal with a wide bandwidth. The PLL includes a first input for receiving a phase signal of a variable-envelope modulated signal and providing the phase signal along a f... | 05/10/2011 |
| 7937099 | Adaptive piconet protocol A method for adaptive piconet protocol begins by determining, by a master device, a number of slave devices that are currently affiliated with the master device in a piconet. The method continues by determining, by the master device, data requirements and/or voice r... | 05/03/2011 |
| 7934230 | IPTV architecture for dynamic commercial insertion Dynamic delivery of different commercials to different viewers is achieved using a network node within an IPTV packet-switched network that is coupled to receive both a multicast television program and commercial programs. The network node is able to identify one or... | 04/26/2011 |
| 7904750 | Sector-oriented hardware defect compression based on format information A system and method identifies and masks physical sectors where the errors encountered during the defect scan exceed a predetermined level. This avoids the need to read and process all the data written to an individual sector during the initial defect scan. This met... | 03/08/2011 |
| 7904049 | Wireless terminal baseband processor high speed turbo decoding module A baseband processing module for use within a Radio Frequency (RF) transceiver includes a downlink/uplink interface, TX processing components, a processor, memory, RX processing components, and a turbo decoding module. The RX processing components receive a baseband... | 03/08/2011 |
| 7903772 | Digital demodulator with improved hardware and power efficiency A demodulator for use in a receiver converts a digital baseband signal into inbound digital symbols with reduced hardware complexity and reduced power consumption. The demodulator includes a lowpass filter operably coupled to filter the digital baseband signal to pr... | 03/08/2011 |
| 7899399 | Frequency division multiple access communications within a device 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... | 03/01/2011 |
| 7890056 | RFID reader architecture A highly integrated and low-cost reader for a radio frequency identification (RFID) system is realized by providing a transmitter operable to generate an outbound radio frequency (RF) signal and a receiver operable to receive an inbound RF signal having a frequency ... | 02/15/2011 |
| 7884656 | Phase locked loop with small size and improved performance A phase locked loop (PLL) includes a frequency detector and a type 1 PLL including a phase detector. The phase detector produces a phase error signal indicative of a difference in phase between a reference signal and a feedback signal, while the frequency detector p... | 02/08/2011 |
| 7860188 | Digital modulator for a GSM/GPRS/EDGE wireless polar RF transmitter A digital modulator in a radio transmitter includes circuitry for switching between Gaussian Minimum Shift Keying (GMSK) and Phase-Shift Keying (PSK) while maintaining spectral mask requirements. The digital modulator of the present invention includes both GMSK and ... | 12/28/2010 |
| 7856247 | RFID reader integrated with wireless communication device An integrated RFID reader and wireless communication device is realized by a radio frequency (RF) front end operable, in a first mode, to generate a radio frequency identification system (RFID) outbound radio frequency (RF) signal, to receive an RFID inbound RF sign... | 12/21/2010 |
| 7831227 | DAC based switching power amplifier A power amplifier for use in a transmitter includes a first transistor having an input, a first node and a second node, a second transistor having an input, a first node and a second node and a digital to analog conversion module. The input of the first transistor i... | 11/09/2010 |
