| |
 |
|
Class Information
Number: 375/285
Name: Pulse or digital communications > Systems using alternating or pulsating current > Antinoise or distortion
Description: Subject matter with provision for correction or reduction of distortion of the wave shape of the carrier wave or for the correction or reduction of the effects of extraneous pulses.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616711 |
Frequency domain filtering to improve channel estimation in multicarrier systems |
Nov. 10, 2009 |
| 7613249 |
Spurious component reduction |
Nov. 3, 2009 |
| 7609772 |
Apparatus and method for optimally compensating for imbalance between in-phase and quadrature-phase in a zero-IF OFDM receiver |
Oct. 27, 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 |
| 7602866 |
Signal receiver devices and methods |
Oct. 13, 2009 |
| 7599420 |
System and method for distributed input distributed output wireless communications |
Oct. 6, 2009 |
| 7599445 |
Device for transmitting digital signals between mobile units with modification of the spectral characteristics |
Oct. 6, 2009 |
| 7596183 |
Joint optimization of transmitter and receiver pulse-shaping filters |
Sep. 29, 2009 |
| 7593693 |
Adaptive antenna array with programmable sensitivity |
Sep. 22, 2009 |
| 7590176 |
Partial response transmission system and equalizing circuit thereof |
Sep. 15, 2009 |
| 7586995 |
Peak windowing for crest factor reduction |
Sep. 8, 2009 |
| 7580471 |
Nonlinear device detection |
Aug. 25, 2009 |
| 7577085 |
Multicarrier transmit diversity |
Aug. 18, 2009 |
| 7573959 |
Method and apparatus for removing impulse noise |
Aug. 11, 2009 |
| 7570701 |
Multi-pair gigabit ethernet transceiver |
Aug. 4, 2009 |
| 7564912 |
Method and apparatus for channel state information generation in a DVB-T receiver |
Jul. 21, 2009 |
| 7558348 |
Radio frequency antenna system and high-speed digital data link to reduce electromagnetic interference for wireless communications |
Jul. 7, 2009 |
| 7555055 |
Digital subscriber line communicating system |
Jun. 30, 2009 |
| 7555075 |
Adjustable noise suppression system |
Jun. 30, 2009 |
| 7555079 |
Method and corresponding arrangement for DC offset compensation using channel estimation |
Jun. 30, 2009 |
| 7551736 |
Physical layer header scrambling in satellite broadcast systems |
Jun. 23, 2009 |
| 7551687 |
Distortion compensating apparatus |
Jun. 23, 2009 |
| 7551681 |
Digital wireless audio transmitter system employing time diversity |
Jun. 23, 2009 |
| 7548587 |
Methods and apparatus for use in reducing residual phase error in OFDM communication signals |
Jun. 16, 2009 |
| 7545878 |
Efficient circular clipping implementation using simplified CORDIC rotators |
Jun. 9, 2009 |
| 7545893 |
Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation |
Jun. 9, 2009 |
| 7542514 |
Method and device for adaptive modulation and coding based on second order statistics of channel information |
Jun. 2, 2009 |
| 7535974 |
Method and apparatus for amplifier linearization using adaptive predistortion |
May. 19, 2009 |
| 7532675 |
Techniques to time vary pilot locations in wireless networks |
May. 12, 2009 |
| 7529307 |
Interleaver |
May. 5, 2009 |
| 7529176 |
Method and apparatus for determining a transmit PSD at a remote location |
May. 5, 2009 |
| 7526041 |
Channel estimation circuit and channel estimation method |
Apr. 28, 2009 |
| 7526042 |
OFDM system receiver apparatus suppressing inter-symbol interference |
Apr. 28, 2009 |
| 7526043 |
High speed line equalizer and method thereof |
Apr. 28, 2009 |
| 7519129 |
Precoding of contention words in a fixed wireless access system |
Apr. 14, 2009 |
| 7515646 |
Method and apparatus for reducing EMI emissions for data signals traveling over a data pathway |
Apr. 7, 2009 |
| 7515661 |
Transmission device, transmission method, reception device, reception method, transmission/reception device, communication method, recording medium, and program |
Apr. 7, 2009 |
| 7515672 |
Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting |
Apr. 7, 2009 |
| 7505538 |
Ultra wideband communication system, method and device with low noise reception |
Mar. 17, 2009 |
| 7505528 |
Method and apparatus for range extension of low-power wireless communication links |
Mar. 17, 2009 |
| 7505506 |
System and method for generating single sideband, constant envelope, spread spectrum signals with multiple spreading codes |
Mar. 17, 2009 |
| 7502425 |
Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems |
Mar. 10, 2009 |
| 7499509 |
Receiver for compensating nonlinearly distorted multicarrier signals |
Mar. 3, 2009 |
| 7496164 |
Systems and methods for interference cancellation in a radio receiver system |
Feb. 24, 2009 |
| 7489747 |
Decision directed flicker noise cancellation |
Feb. 10, 2009 |
| 7489731 |
Communication system using OFDM |
Feb. 10, 2009 |
| 7486739 |
Transmission method and transmitter |
Feb. 3, 2009 |
| 7477687 |
Balancing amplitude and phase |
Jan. 13, 2009 |
| 7471670 |
Method and apparatus for reducing echo and crosstalk in a communication system |
Dec. 30, 2008 |
|
|
|
