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Class Information
Number: 375/284
Name: Pulse or digital communications > Systems using alternating or pulsating current > Angle modulation > Phase shift keying > Antinoise or distortion
Description: Subject matter where there is provision for correction or reduction of the effects of extraneous pulses or of distortion of the wave shape of the transmitted signals.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8687684 Apparatus and method for calibrating the I/Q mismatch in a quadrature bandpass sampling receiver Apr. 1, 2014
8675794 Efficient estimation of feedback for modulation and coding scheme (MCS) selection Mar. 18, 2014
8654909 Semiconductor integrated circuit Feb. 18, 2014
8625703 Method of transmitting control information in wireless communication system Jan. 7, 2014
8619896 Method, apparatus and system for transmitting information bits Dec. 31, 2013
8619906 Look up table-based sum predistorter for power amplifification with concurrent dual band inputs Dec. 31, 2013
8594162 Impulse noise management Nov. 26, 2013
8582681 Signal receiver apparatus and waveform shaping method Nov. 12, 2013
8582679 Method of transmitting of data and configuring a codebook in multi antenna system Nov. 12, 2013
8576902 Receiving device and method, demodulating device and method, and program Nov. 5, 2013
8571154 Control interval expansion of variable time delay control structure for channel matching Oct. 29, 2013
8565336 Data transmission apparatus and method, and data reconstitution apparatus and method Oct. 22, 2013
8559552 Dual carrier modulation precoding Oct. 15, 2013
8537928 Channel estimation methods and systems based on power measurement at receivers Sep. 17, 2013
8520784 Coherent beam combining of independently faded signals Aug. 27, 2013
8520773 Power amplifier digital predistortion system for concurrent dual band inputs Aug. 27, 2013
8520766 Transmitter and communication apparatus Aug. 27, 2013
8514921 Assessing aircraft interference path loss employing discrete frequency stirring Aug. 20, 2013
8509293 Semi-coherent timing propagation for GERAN multislot configurations Aug. 13, 2013
8509368 System and method for clock jitter compensation in direct RF receiver architectures Aug. 13, 2013
8483293 Method and device for signal processing Jul. 9, 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
8472514 Adaptive spectral enhancement and harmonic separation Jun. 25, 2013
8462028 Parallel to serial conversion apparatus and method of converting parallel data having different widths Jun. 11, 2013
8462835 Impulse noise management Jun. 11, 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
8442099 Crosstalk cancellation for a common-mode channel May. 14, 2013
8441912 Method and apparatus for data transmission May. 14, 2013
8437425 Distortion compensation device, distortion compensation method and wireless apparatus May. 7, 2013
8428192 Adaptive interference canceling system and method Apr. 23, 2013
8412259 Outer loop transmit power control in wireless communication systems Apr. 2, 2013
8379754 Method and device for predicting a figure of merit from a distribution Feb. 19, 2013
8379770 Signal conversion system for sending or receiving a radiofrequency signal Feb. 19, 2013
8363761 Wireless modem and noise cancellation method for the same Jan. 29, 2013
8363712 Apparatus and method for adaptive I/Q imbalance compensation Jan. 29, 2013
8358717 Device and method for binary phase shift key demodulator using phase shifter Jan. 22, 2013
8331508 Narrowband interference cancellation method and circuit Dec. 11, 2012
8295393 Device and method for transmitting/receiving pulse signal Oct. 23, 2012
8295398 Data re-transferring method based on bit transformation Oct. 23, 2012
8265681 Outer loop transmit power control in wireless communication systems Sep. 11, 2012
8238456 Techniques to time vary pilot locations in wireless networks Aug. 7, 2012
8233564 Method and apparatus for increasing the channel capacity of a bandwidth limited communications path Jul. 31, 2012
8199848 Precoding device and method in wireless communication system Jun. 12, 2012
8199864 Quadrature phase shift keying demodulator of digital broadcast reception system and demodulation method thereof 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
8175143 Adaptive equalization using data level detection May. 8, 2012
8165474 Reducing cross modulation in multichannel modulated optical systems with anti-clipping Apr. 24, 2012
8155180 Adaptive equalization methods and apparatus Apr. 10, 2012

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