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Browse by Category: Main > Communications
Class Information
Number: 375/278
Name: Pulse or digital communications > Systems using alternating or pulsating current > Angle modulation > Frequency shift keying > Antinoise or distortion
Description: Subject matter with provision for correction or reduction of distortion or for removing or correcting for the effects of extraneous pulses.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8675769 Constellation map optimization for highly spectrally efficient communications Mar. 18, 2014
8666323 RFID reader and method for suppressing transmission leakage signal thereof Mar. 4, 2014
8588321 Wireless communication apparatus, wireless communication system and wireless communication method Nov. 19, 2013
8548033 Automatic frequency control under low signal-to-noise conditions Oct. 1, 2013
8509368 System and method for clock jitter compensation in direct RF receiver architectures Aug. 13, 2013
8478210 Apparatus and method of digital predistortion for power amplifiers with dynamic nonlinearities Jul. 2, 2013
8472990 Apparatus using interrupts for controlling a processor for radio isolation and associated method Jun. 25, 2013
8457239 Method and device for managing the operation of an apparatus, for example an MB-OFDM apparatus, in presence of an eventual interfering signal Jun. 4, 2013
8442146 Apparatus and methods for reducing channel estimation noise in a wireless transceiver May. 14, 2013
8441912 Method and apparatus for data transmission May. 14, 2013
8433271 Performing impulse blanking based on blocker information Apr. 30, 2013
8406113 Peak-to-average reduction of SC-FDMA signals with frequency mask Mar. 26, 2013
8379770 Signal conversion system for sending or receiving a radiofrequency signal Feb. 19, 2013
8369788 Method for reducing inter-cell interference Feb. 5, 2013
8331508 Narrowband interference cancellation method and circuit Dec. 11, 2012
8331738 Reducing buffer size requirements in an electronic registration system Dec. 11, 2012
8320477 Method for inter-carrier interference cancellation and equalization method, apparatus, and OFDM receiver using the method Nov. 27, 2012
8290457 Performing impulse blanking based on blocker information Oct. 16, 2012
8233564 Method and apparatus for increasing the channel capacity of a bandwidth limited communications path Jul. 31, 2012
8199835 Systems and methods for adaptive signal sampling and sample quantization for resource-constrained stream processing Jun. 12, 2012
8184736 Encoding bits into simultaneous pulse pairs May. 22, 2012
8184737 Echo cancellation and echo channel estimation system using multiple antennas May. 22, 2012
8155180 Adaptive equalization methods and apparatus Apr. 10, 2012
8149937 Signal receiver and method for estimating residual doppler frequencies of signals thereof Apr. 3, 2012
8139679 System and method for controlling modulation Mar. 20, 2012
8140122 Apparatus and method for changing communication mode in multi-antenna system considering channel environment Mar. 20, 2012
8135079 Apparatus and method of estimating signal-to-noise ratio Mar. 13, 2012
8130865 Digital modulation jitter compensation for polar transmitter Mar. 6, 2012
8130878 Apparatus and method for estimating carrier-to-interference-and-noise ratio in an orthogonal frequency division multiplexing system Mar. 6, 2012
8116401 Method and system for digital spur cancellation Feb. 14, 2012
8102954 Frequency interference detection and correction Jan. 24, 2012
8098757 Method and apparatus for windowing orthogonal frequency division multiplexed signals Jan. 17, 2012
8099132 Antenna switching and uplink sounding channel measurement Jan. 17, 2012
8085888 Method and system for determining an optimal or near optimal set of contexts by constructing a multi-directional context tree Dec. 27, 2011
8081710 System and method for corrected modulation with nonlinear power amplification Dec. 20, 2011
8077796 Methods and arrangements for communicating in a multiple input multiple output system Dec. 13, 2011
8073073 Optimized clipping for peak-to-average power ratio reduction Dec. 6, 2011
8040983 Device, system and method of mitigating interference in a wireless network Oct. 18, 2011
8036179 Method for transmitting multicast data in WiMax/WiBro relay system Oct. 11, 2011
8019007 Device, system, and method of flicker noise mitigation Sep. 13, 2011
8014464 Communication apparatus and communication method used in spectrum sharing environment Sep. 6, 2011
8009786 Method for agile region and band conscious frequency planning for wireless transceivers Aug. 30, 2011
7986919 Simplified impairments matrix calculation for SINR estimation Jul. 26, 2011
7983358 Composite crest factor reduction Jul. 19, 2011
7961799 Joint estimation apparatus of channel and frequency offset based on multiband-orthogonal frequency division multiplexing and thereof Jun. 14, 2011
7957496 Suppressing interference for wireless reception and improvements relating to processing a frequency shift keyed signal Jun. 7, 2011
7944963 Method and apparatus for jitter compensation in receiver circuits using nonlinear dynamic phase shifting technique based on bit history pattern May. 17, 2011
7940853 Method and device for calculating zero-croccing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal May. 10, 2011
7929619 Methods and apparatus for using tones in a wireless communication system Apr. 19, 2011
7919968 System and method for distortion analysis Apr. 5, 2011

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