JP2007318800A5 - - Google Patents

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Publication number
JP2007318800A5
JP2007318800A5 JP2007193958A JP2007193958A JP2007318800A5 JP 2007318800 A5 JP2007318800 A5 JP 2007318800A5 JP 2007193958 A JP2007193958 A JP 2007193958A JP 2007193958 A JP2007193958 A JP 2007193958A JP 2007318800 A5 JP2007318800 A5 JP 2007318800A5
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JP
Japan
Prior art keywords
blind equalization
processing method
taps
coefficients
equalization processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2007193958A
Other languages
English (en)
Japanese (ja)
Other versions
JP4540692B2 (ja
JP2007318800A (ja
Filing date
Publication date
Priority claimed from US08/315,050 external-priority patent/US5517213A/en
Application filed filed Critical
Publication of JP2007318800A publication Critical patent/JP2007318800A/ja
Publication of JP2007318800A5 publication Critical patent/JP2007318800A5/ja
Application granted granted Critical
Publication of JP4540692B2 publication Critical patent/JP4540692B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2007193958A 1994-09-29 2007-07-25 適応等化器の高速ブラインド等化処理方法 Expired - Lifetime JP4540692B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/315,050 US5517213A (en) 1994-09-29 1994-09-29 Process for fast blind equalization of an adaptive equalizer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP7254148A Division JPH08125585A (ja) 1994-09-29 1995-09-29 適応等化器の高速ブラインド等化処理方法

Publications (3)

Publication Number Publication Date
JP2007318800A JP2007318800A (ja) 2007-12-06
JP2007318800A5 true JP2007318800A5 (enExample) 2008-12-18
JP4540692B2 JP4540692B2 (ja) 2010-09-08

Family

ID=23222662

Family Applications (2)

Application Number Title Priority Date Filing Date
JP7254148A Pending JPH08125585A (ja) 1994-09-29 1995-09-29 適応等化器の高速ブラインド等化処理方法
JP2007193958A Expired - Lifetime JP4540692B2 (ja) 1994-09-29 2007-07-25 適応等化器の高速ブラインド等化処理方法

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP7254148A Pending JPH08125585A (ja) 1994-09-29 1995-09-29 適応等化器の高速ブラインド等化処理方法

Country Status (11)

Country Link
US (1) US5517213A (enExample)
EP (1) EP0705009B1 (enExample)
JP (2) JPH08125585A (enExample)
KR (1) KR100474765B1 (enExample)
CN (1) CN1112030C (enExample)
DE (1) DE69529256T2 (enExample)
MX (1) MX9504159A (enExample)
MY (1) MY112483A (enExample)
SG (1) SG42775A1 (enExample)
TR (1) TR199501191A2 (enExample)
TW (1) TW318296B (enExample)

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US5793807A (en) * 1996-05-07 1998-08-11 Lucent Technologies Inc. Multimodulus blind eqalization using piecewise linear contours
US5712873A (en) * 1996-06-04 1998-01-27 Thomson Consumer Electronics, Inc. Multi-mode equalizer in a digital video signal processing system
US6005640A (en) * 1996-09-27 1999-12-21 Sarnoff Corporation Multiple modulation format television signal receiver system
AU9805498A (en) 1997-10-16 1999-05-03 Int Labs, Inc. Data transfer over wire or wireless medium
US6016374A (en) * 1997-11-04 2000-01-18 Lucent Technologies Inc. Optical fiber communications system with adaptive data equalizer
US6178201B1 (en) * 1998-03-11 2001-01-23 Agilent Technologies Inc. Controlling an adaptive equalizer in a demodulator
US6546047B1 (en) * 1998-10-08 2003-04-08 Altima Communications, Inc. Methods and circuits for optimal equalization
US6418164B1 (en) * 1999-01-14 2002-07-09 Nxtwave Communications, Inc. Adaptive equalizer with enhanced error quantization
US6661837B1 (en) 1999-03-08 2003-12-09 International Business Machines Corporation Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector
US7003030B2 (en) 1999-03-08 2006-02-21 Lenovo (Singapore) Pte. Ltd. Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem
US6341360B1 (en) * 1999-03-08 2002-01-22 International Business Machines Corporation Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto
US6381267B1 (en) 1999-03-08 2002-04-30 International Business Machines Corporation Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup
US6487243B1 (en) 1999-03-08 2002-11-26 International Business Machines Corporation Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems
US6389064B1 (en) * 1999-03-08 2002-05-14 International Business Machines Corporation Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments
US6553518B1 (en) 1999-03-08 2003-04-22 International Business Machines Corporation Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations
US6661847B1 (en) 1999-05-20 2003-12-09 International Business Machines Corporation Systems methods and computer program products for generating and optimizing signal constellations
JP3560138B2 (ja) * 1999-12-06 2004-09-02 松下電器産業株式会社 波形等化器とこれを用いた移動局無線装置、基地局無線装置及び移動通信システム
US7068736B2 (en) * 2001-07-11 2006-06-27 Agere Systems Inc. Methods and devices for shortening the convergence time of blind, adaptive equalizers
US7391834B2 (en) * 2002-10-01 2008-06-24 Intel Corporation Pulse amplitude modulated system with reduced intersymbol interference
US7293055B2 (en) * 2003-04-07 2007-11-06 Pmc-Sierra, Inc. Flexible adaptation engine for adaptive transversal filters
US20050047779A1 (en) * 2003-09-02 2005-03-03 Harris Corporation Post-detection, fiber optic dispersion compensation using adjustable inverse distortion operator employing trained or decision-based parameter adaptation (estimation)
US20050047802A1 (en) * 2003-09-02 2005-03-03 Harris Corporation Post-detection, fiber optic dispersion compensation using adjustable infinite impulse response filter employing trained or decision-directed adaptation
JP4331641B2 (ja) * 2004-04-09 2009-09-16 富士通株式会社 等化回路を有する受信回路
US7852912B2 (en) * 2005-03-25 2010-12-14 Agilent Technologies, Inc. Direct determination equalizer system
WO2013051244A1 (ja) 2011-10-05 2013-04-11 日本電気株式会社 信号処理装置及び信号処理方法
US9049069B2 (en) * 2013-03-21 2015-06-02 Broadcom Corporation Sparse equalizer system
US10069653B1 (en) * 2017-05-12 2018-09-04 Seagate Technology Llc Blind partial response equalization

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354003A1 (fr) * 1976-06-04 1977-12-30 Anvar Perfectionnements aux systemes de transmission de donnees
JPS58161415A (ja) * 1982-03-18 1983-09-26 Ricoh Co Ltd 自動等化器
JPS60206232A (ja) * 1984-03-30 1985-10-17 Hitachi Denshi Ltd 自動等化方式
US5134464A (en) * 1990-11-16 1992-07-28 North American Philips Corporation Method and apparatus for the transmission and reception of a multicarrier digital television signal
US5263033A (en) * 1990-06-22 1993-11-16 At&T Bell Laboratories Joint data and channel estimation using fast blind trellis search
US5157690A (en) * 1990-10-30 1992-10-20 Level One Communications, Inc. Adaptive convergent decision feedback equalizer
CA2073944C (en) * 1991-07-26 2000-09-19 Woo H. Paik Carrier phase recovery for an adaptive equalizer
US5282225A (en) * 1992-02-04 1994-01-25 Northeastern University Adaptive blind channel equalizer system
US5267266A (en) * 1992-05-11 1993-11-30 Bell Communications Research, Inc. Fast converging adaptive equalizer using pilot adaptive filters
US5297166A (en) * 1992-07-02 1994-03-22 National Semiconductor Corporation Method and apparatus for decision feedback equalization with reduced convergence time

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