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Class Information
Number: 375/233
Name: Pulse or digital communications > Equalizers > Automatic > Adaptive > Decision feedback equalizer
Description: Subject matter wherein the equalized signal is the sum of the outputs of the forward and feedback part of the equalizer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620096 |
Equal BER power control for uplink MC-CDMA with MMSE successive interference cancellation |
Nov. 17, 2009 |
| 7620100 |
Method and apparatus for equalization of a signal which is transmitted via a user channel using the DF method, and taking into account an interference channel |
Nov. 17, 2009 |
| 7620101 |
Equalizer circuit, communication system, and method that is adaptive to varying launch amplitudes for reducing receiver error |
Nov. 17, 2009 |
| 7616700 |
Method and system for slicing a communication signal |
Nov. 10, 2009 |
| 7616699 |
Method of soft bit metric calculation with direct matrix inversion MIMO detection |
Nov. 10, 2009 |
| 7616686 |
Method and apparatus for generating one or more clock signals for a decision-feedback equalizer using DFE detected data |
Nov. 10, 2009 |
| 7613238 |
Apparatus and method for decision error compensation in an adaptive equalizer |
Nov. 3, 2009 |
| 7606293 |
Bidirectional turbo ISI canceller-based DSSS receiver for high-speed wireless LAN |
Oct. 20, 2009 |
| 7606301 |
Method and apparatus for adaptively establishing a sampling phase for decision-feedback equalization |
Oct. 20, 2009 |
| 7606302 |
Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel |
Oct. 20, 2009 |
| 7599431 |
Combined decision feedback equalization and linear equalization |
Oct. 6, 2009 |
| 7599433 |
Apparatus for and method of controlling a feedforward filter of an equalizer |
Oct. 6, 2009 |
| 7599461 |
Method and apparatus for generating one or more clock signals for a decision-feedback equalizer using DFE detected data in the presence of an adverse pattern |
Oct. 6, 2009 |
| 7596175 |
Methods and circuits for performing margining tests in the presence of a decision feedback equalizer |
Sep. 29, 2009 |
| 7593456 |
Maximum likelihood block decision feedback estimation for CCK demodulation apparatus and method |
Sep. 22, 2009 |
| 7593483 |
Nonlinear mapping in digital-to-analog and analog-to-digital converters |
Sep. 22, 2009 |
| 7590174 |
Signal adjustment receiver circuitry |
Sep. 15, 2009 |
| 7590175 |
DFE margin test methods and circuits that decouple sample and feedback timing |
Sep. 15, 2009 |
| 7586984 |
Finite-length equalization over multi-input multi-output (MIMO) channels |
Sep. 8, 2009 |
| 7583728 |
Equalizers for layered modulated and other signals |
Sep. 1, 2009 |
| 7583770 |
Multiplex signal error correction method and device |
Sep. 1, 2009 |
| 7580455 |
Decision feedback equalization with fractionally-spaced feedback data |
Aug. 25, 2009 |
| 7580453 |
Method and apparatus for equalization |
Aug. 25, 2009 |
| 7580452 |
Dynamic comparator system |
Aug. 25, 2009 |
| 7580454 |
Multidimensional decision-directed trained adaptive equalization |
Aug. 25, 2009 |
| 7577206 |
OFDM signal receiving apparatus and method for estimating common phase error of OFDM signals using data subcarriers |
Aug. 18, 2009 |
| 7577193 |
Adaptive equalizer |
Aug. 18, 2009 |
| 7574146 |
Pattern-dependent error counts for use in correcting operational parameters in an optical receiver |
Aug. 11, 2009 |
| 7570701 |
Multi-pair gigabit ethernet transceiver |
Aug. 4, 2009 |
| 7567616 |
Feedback equalizer for a communications receiver |
Jul. 28, 2009 |
| 7567615 |
Adaptive equalization circuit and adaptive equalization method |
Jul. 28, 2009 |
| 7564900 |
Mixed-mode signal processor architecture and device |
Jul. 21, 2009 |
| 7564933 |
Method and system for near optimal iterative detection of the 2-dimensional ISI channel |
Jul. 21, 2009 |
| 7564899 |
Multistage tuning-tolerant equalizer filter |
Jul. 21, 2009 |
| 7561617 |
Channel monitoring and identification and performance monitoring in a flexible high speed signal processor engine |
Jul. 14, 2009 |
| 7561633 |
System and method for MIMO equalization for DSP transceivers |
Jul. 14, 2009 |
| 7561619 |
Feedback filter |
Jul. 14, 2009 |
| 7551667 |
Feed forward equalizer |
Jun. 23, 2009 |
| 7551668 |
Adaptive equalizing apparatus and method |
Jun. 23, 2009 |
| 7551701 |
Frequency domain training of prefilters with interference suppression |
Jun. 23, 2009 |
| 7551679 |
Symmetrical data signal processing |
Jun. 23, 2009 |
| 7548582 |
Kalman-viterbi joint channel equalizer |
Jun. 16, 2009 |
| 7548598 |
Method and apparatus for iteratively improving the performance of coded and interleaved communication systems |
Jun. 16, 2009 |
| 7545859 |
Adaptive channel equalization technique and method for wideband passive digital receivers |
Jun. 9, 2009 |
| 7545861 |
Timing recovery circuit and timing recovery method |
Jun. 9, 2009 |
| 7545862 |
Adaptive equalizer, decoding device, and error detecting device |
Jun. 9, 2009 |
| 7542507 |
Decision feedback equalization input buffer |
Jun. 2, 2009 |
| 7542528 |
Far end crosstalk mitigation in multiple-input multiple-output (MIMO) channels using partial maximum likelihood MIMO-DFE |
Jun. 2, 2009 |
| 7542508 |
Continuous-time decision feedback equalizer |
Jun. 2, 2009 |
| 7539243 |
Method and system for low-power integrating decision feedback equalizer with fast switched-capacitor feed forward path |
May. 26, 2009 |
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