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Class Information
Number: 375/234
Name: Pulse or digital communications > Equalizers > Automatic > Adaptive > Fractionally spaced equalizer
Description: Subject matter wherein the delay line taps of the equalizer are spaced at an interval T which is less than, or a fraction of the symbol interval.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7627029 |
Margin test methods and circuits |
Dec. 1, 2009 |
| 7623570 |
Multi sub-carrier communication system and method providing improved frequency equalization performance |
Nov. 24, 2009 |
| 7613238 |
Apparatus and method for decision error compensation in an adaptive equalizer |
Nov. 3, 2009 |
| 7596175 |
Methods and circuits for performing margining tests in the presence of a decision feedback equalizer |
Sep. 29, 2009 |
| 7593483 |
Nonlinear mapping in digital-to-analog and analog-to-digital converters |
Sep. 22, 2009 |
| 7590175 |
DFE margin test methods and circuits that decouple sample and feedback timing |
Sep. 15, 2009 |
| 7561619 |
Feedback filter |
Jul. 14, 2009 |
| 7542508 |
Continuous-time decision feedback equalizer |
Jun. 2, 2009 |
| 7526019 |
Method and system for providing multi-channel multimode QAM equalization and carrier recovery |
Apr. 28, 2009 |
| 7526021 |
Telecommunications transmission systems |
Apr. 28, 2009 |
| 7515641 |
Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system |
Apr. 7, 2009 |
| 7505515 |
Accurate timing alignments for decision directed continuous time equalizers |
Mar. 17, 2009 |
| 7502411 |
Method and circuit for adaptive equalization of multiple signals in response to a control signal generated from one of the equalized signals |
Mar. 10, 2009 |
| 7499509 |
Receiver for compensating nonlinearly distorted multicarrier signals |
Mar. 3, 2009 |
| 7483479 |
Scaled signal processing elements for reduced filter tap noise |
Jan. 27, 2009 |
| 7460594 |
Fast computation of linear equalizer coefficients from channel estimate |
Dec. 2, 2008 |
| 7453932 |
Test device and setting method |
Nov. 18, 2008 |
| 7443909 |
Weighted autocorrelation method for downlink CDMA LMMSE equalizers |
Oct. 28, 2008 |
| 7443913 |
High speed decision feedback equalizer |
Oct. 28, 2008 |
| 7440499 |
Fractional spaced equalizer |
Oct. 21, 2008 |
| 7440512 |
Electrical signal regenerator |
Oct. 21, 2008 |
| 7433418 |
Method and apparatus for efficient storage of training sequences for peak to average power constrained modulation formats |
Oct. 7, 2008 |
| 7421021 |
Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control |
Sep. 2, 2008 |
| 7406122 |
Equalizer and method of setting initial value for same |
Jul. 29, 2008 |
| 7394849 |
Decision feedback equalizer with dynamic feedback control |
Jul. 1, 2008 |
| 7386044 |
Computation of decision feedback equalizer coefficients with constrained feedback tap energy |
Jun. 10, 2008 |
| 7382827 |
Computation of decision feedback equalizer coefficients with constrained feedback tap energy |
Jun. 3, 2008 |
| 7362800 |
Auto-configured equalizer |
Apr. 22, 2008 |
| 7346105 |
Decision feedback equalization with fractionally-spaced feedback data |
Mar. 18, 2008 |
| 7333539 |
High order filters with controllable delay and performance |
Feb. 19, 2008 |
| 7319719 |
Parallel equalization for systems using time division multiple access |
Jan. 15, 2008 |
| 7301998 |
Filter with signal taps temporally spaced at fractional symbol intervals |
Nov. 27, 2007 |
| 7292661 |
Block-iterative equalizers for digital communication system |
Nov. 6, 2007 |
| 7274737 |
EHF equalizer implemented with MEMs tap weight controls |
Sep. 25, 2007 |
| 7266145 |
Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control |
Sep. 4, 2007 |
| 7263119 |
Decoding method and apparatus |
Aug. 28, 2007 |
| 7263123 |
Fast computation of coefficients for a variable delay decision feedback equalizer |
Aug. 28, 2007 |
| 7251274 |
Multichannel adaptive equaliser |
Jul. 31, 2007 |
| 7203233 |
Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback |
Apr. 10, 2007 |
| 7170931 |
Combined feed forward and blind equalizer |
Jan. 30, 2007 |
| 7139343 |
Digital radio receiver |
Nov. 21, 2006 |
| 7130366 |
Compensation circuit and method for reducing intersymbol interference products caused by signal transmission via dispersive media |
Oct. 31, 2006 |
| 7120193 |
Decision feedback equalizer with dynamic feedback control |
Oct. 10, 2006 |
| 7079576 |
Joint zero-forcing and matched-filter adaptive digital equalizer |
Jul. 18, 2006 |
| 7068714 |
Error control apparatus and method for channel equalizer |
Jun. 27, 2006 |
| 7061977 |
Apparatus and method for using adaptive algorithms to exploit sparsity in target weight vectors in an adaptive channel equalizer |
Jun. 13, 2006 |
| 7039104 |
Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback |
May. 2, 2006 |
| 7035330 |
Decision feedback equalizer with dynamic feedback control |
Apr. 25, 2006 |
| 7027497 |
Adaptive equalization method and adaptive equalizer |
Apr. 11, 2006 |
| 7027504 |
Fast computation of decision feedback equalizer coefficients |
Apr. 11, 2006 |
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