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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623604 |
Suppressing interference for wireless reception and improvements relating to processing a frequency shift keyed signal |
Nov. 24, 2009 |
| 7606317 |
Channel optimization system |
Oct. 20, 2009 |
| 7606321 |
System and method for simplifying analog processing in a transmitter incorporating a randomization circuit |
Oct. 20, 2009 |
| 7573959 |
Method and apparatus for removing impulse noise |
Aug. 11, 2009 |
| 7532675 |
Techniques to time vary pilot locations in wireless networks |
May. 12, 2009 |
| 7526043 |
High speed line equalizer and method thereof |
Apr. 28, 2009 |
| 7499509 |
Receiver for compensating nonlinearly distorted multicarrier signals |
Mar. 3, 2009 |
| 7492831 |
Method for generating multiplier coefficients for a mixer |
Feb. 17, 2009 |
| 7489747 |
Decision directed flicker noise cancellation |
Feb. 10, 2009 |
| 7483501 |
System and method for radio receiver RF background noise estimation |
Jan. 27, 2009 |
| 7469020 |
Systems, methods, and apparatus for reducing dynamic range requirements of a power amplifier in a wireless device |
Dec. 23, 2008 |
| 7412006 |
Method and apparatus for RF carrier feedthrough suppression |
Aug. 12, 2008 |
| 7394880 |
Method and apparatus for simulating radio channel |
Jul. 1, 2008 |
| 7386057 |
Iterative soft interference cancellation and filtering for spectrally efficient high-speed transmission in MIMO systems |
Jun. 10, 2008 |
| 7366230 |
Power control in mobile radio communications systems |
Apr. 29, 2008 |
| 7339994 |
Method and apparatus for fast convergent power control in a spread spectrum communication system |
Mar. 4, 2008 |
| 7330518 |
Distortion compensation circuit, and a transmission apparatus including the same |
Feb. 12, 2008 |
| 7305046 |
I/Q modulator with carrier predistortion |
Dec. 4, 2007 |
| 7269231 |
System and method for predistorting a signal using current and past signal samples |
Sep. 11, 2007 |
| 7242725 |
Adaptive broadband post-distortion receiver for digital radio communication system |
Jul. 10, 2007 |
| 7239846 |
Up-conversion modulation loop for multi-mode mobile communication |
Jul. 3, 2007 |
| 7215716 |
Non-linear adaptive AM/AM and AM/PM pre-distortion compensation with time and temperature compensation for low power applications |
May. 8, 2007 |
| 7187917 |
Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer |
Mar. 6, 2007 |
| 7184484 |
Method and apparatus for serial data communication |
Feb. 27, 2007 |
| 7158582 |
Digital I/Q modulator having a predistortion |
Jan. 2, 2007 |
| 7131038 |
Performance evaluation of multicarrier channels |
Oct. 31, 2006 |
| 7120192 |
Spectrum spread communication synchronization establishing apparatus using frequency offset and receiver with the same |
Oct. 10, 2006 |
| 7092463 |
Method and apparatus for interference rejection |
Aug. 15, 2006 |
| 7065151 |
Channel optimization system |
Jun. 20, 2006 |
| 7046738 |
8-PSK transmit filtering using reduced look up tables |
May. 16, 2006 |
| 6980831 |
Radio communication base state system including optical advanced base station |
Dec. 27, 2005 |
| 6975673 |
Narrow-band interference rejecting spread spectrum radio system and method |
Dec. 13, 2005 |
| 6922554 |
Method for implementing a transceiver and a transceiver |
Jul. 26, 2005 |
| 6915472 |
Decoding data from multiple sources |
Jul. 5, 2005 |
| 6834109 |
Method and apparatus for mitigation of disturbers in communication systems |
Dec. 21, 2004 |
| 6810089 |
Block detection method for a channel subjected to fading |
Oct. 26, 2004 |
| 6785342 |
Nonlinear pre-distortion modulator and long loop control |
Aug. 31, 2004 |
| 6731679 |
Modulator/demodulator and method of modulation/demodulation used for same |
May. 4, 2004 |
| 6721370 |
Phase correction circuit for radio communication apparatus |
Apr. 13, 2004 |
| 6707860 |
DC offset correction for direct-conversion receiver |
Mar. 16, 2004 |
| 6683921 |
Received-signal absolute phasing apparatus of receiver |
Jan. 27, 2004 |
| 6654921 |
Decoding data from multiple sources |
Nov. 25, 2003 |
| 6647069 |
Method and apparatus for capacity increase and enhanced communications performance in CATV networks |
Nov. 11, 2003 |
| 6590932 |
Methods, receiver devices and systems for whitening a signal disturbance in a communication signal |
Jul. 8, 2003 |
| 6563885 |
Decimated noise estimation and/or beamforming for wireless communications |
May. 13, 2003 |
| 6529560 |
System and method to reduce the peak-to-average power ratio in a DS-CMDA transmitter |
Mar. 4, 2003 |
| 6510190 |
Method and apparatus for estimating fading distortion of a signal propagating in a communication channel |
Jan. 21, 2003 |
| 6449302 |
System and method for peak power reduction in spread spectrum communications systems |
Sep. 10, 2002 |
| 6449303 |
System and method for peak power reduction in multiple carrier communications systems |
Sep. 10, 2002 |
| 6442218 |
Demodulator |
Aug. 27, 2002 |
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