CA2078049A1 - Egaliseur recursif pouvant produire a grande vitesse un signal egalise sans affaiblissement remanent - Google Patents

Egaliseur recursif pouvant produire a grande vitesse un signal egalise sans affaiblissement remanent

Info

Publication number
CA2078049A1
CA2078049A1 CA2078049A CA2078049A CA2078049A1 CA 2078049 A1 CA2078049 A1 CA 2078049A1 CA 2078049 A CA2078049 A CA 2078049A CA 2078049 A CA2078049 A CA 2078049A CA 2078049 A1 CA2078049 A1 CA 2078049A1
Authority
CA
Canada
Prior art keywords
signal
equalized signal
decision
feedback equalizer
transversal filter
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
CA2078049A
Other languages
English (en)
Other versions
CA2078049C (fr
Inventor
Yuzo Kurokami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2078049A1 publication Critical patent/CA2078049A1/fr
Application granted granted Critical
Publication of CA2078049C publication Critical patent/CA2078049C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Dc Digital Transmission (AREA)
CA002078049A 1991-09-12 1992-09-11 Egaliseur recursif pouvant produire a grande vitesse un signal egalise sans affaiblissement remanent Expired - Fee Related CA2078049C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3233280A JP2833609B2 (ja) 1991-09-12 1991-09-12 判定帰還形自動等化器
JP233280/1991 1991-09-12

Publications (2)

Publication Number Publication Date
CA2078049A1 true CA2078049A1 (fr) 1993-03-13
CA2078049C CA2078049C (fr) 1996-07-23

Family

ID=16952620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002078049A Expired - Fee Related CA2078049C (fr) 1991-09-12 1992-09-11 Egaliseur recursif pouvant produire a grande vitesse un signal egalise sans affaiblissement remanent

Country Status (6)

Country Link
US (1) US5331663A (fr)
EP (1) EP0532353B1 (fr)
JP (1) JP2833609B2 (fr)
AU (1) AU649879B2 (fr)
CA (1) CA2078049C (fr)
DE (1) DE69220741T2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2663820B2 (ja) * 1992-12-28 1997-10-15 日本電気株式会社 判定帰還形等化器
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
JPH0744473B2 (ja) * 1993-02-02 1995-05-15 日本電気株式会社 復調システム
US5490169A (en) * 1993-06-16 1996-02-06 Universal Data Systems, Inc. Decision feedback equalizer method and apparatus
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
JP3916480B2 (ja) 2002-02-22 2007-05-16 松下電器産業株式会社 デジタル復調装置および同期検出方法
US7627029B2 (en) 2003-05-20 2009-12-01 Rambus Inc. Margin test methods and circuits
US7408981B2 (en) 2003-05-20 2008-08-05 Rambus Inc. Methods and circuits for performing margining tests in the presence of a decision feedback equalizer
US7590175B2 (en) * 2003-05-20 2009-09-15 Rambus Inc. DFE margin test methods and circuits that decouple sample and feedback timing
US7336749B2 (en) * 2004-05-18 2008-02-26 Rambus Inc. Statistical margin test methods and circuits
AU2007243937B2 (en) * 2006-01-12 2011-03-17 Agere Systems Inc. Receiver employing non-pilot reference channels for equalizing a received signal
US20080069197A1 (en) * 2006-09-20 2008-03-20 Agere Systems Inc. Equalizer for equalizing multiple received versions of a signal
US20080075159A1 (en) * 2006-09-21 2008-03-27 Uwe Sontowski Receiver having multiple stages of equalization with tap coefficient copying
JP4579897B2 (ja) * 2006-12-22 2010-11-10 パナソニック株式会社 デジタル復調装置および同期検出方法
US7813422B2 (en) * 2007-02-23 2010-10-12 Agere Systems Inc. Adaptive equalizer with tap coefficient averaging
TWI693497B (zh) * 2019-03-15 2020-05-11 新唐科技股份有限公司 數位穩壓系統及其控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741022A (en) * 1980-08-26 1982-03-06 Nec Corp Automatic equalizer
DE3116266A1 (de) * 1981-04-24 1982-11-11 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zum entzerren eines datensignales
JPS5897916A (ja) * 1981-12-07 1983-06-10 Hitachi Ltd 自動等化器制御方式
JPS5962228A (ja) * 1982-10-01 1984-04-09 Nec Corp 自動等化器
JPS5992631A (ja) * 1982-11-19 1984-05-28 Fujitsu Ltd タツプ重み係数制御方式
JPH03154435A (ja) * 1989-11-13 1991-07-02 Toshiba Corp 判定帰還形等化方式
US5119401A (en) * 1989-11-17 1992-06-02 Nec Corporation Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response
CA2050867A1 (fr) * 1990-09-10 1992-03-11 Seiji Miyoshi Systeme d'extraction de signaux d'horloge
JPH04259111A (ja) * 1991-02-13 1992-09-14 Oki Electric Ind Co Ltd 適応等化器
US5150379A (en) * 1991-09-27 1992-09-22 Hewlett-Packard Company Signal processing system for adaptive equalization

Also Published As

Publication number Publication date
JP2833609B2 (ja) 1998-12-09
JPH0575498A (ja) 1993-03-26
EP0532353A3 (en) 1993-08-25
EP0532353A2 (fr) 1993-03-17
EP0532353B1 (fr) 1997-07-09
AU2354792A (en) 1993-03-18
AU649879B2 (en) 1994-06-02
US5331663A (en) 1994-07-19
DE69220741D1 (de) 1997-08-14
DE69220741T2 (de) 1998-02-19
CA2078049C (fr) 1996-07-23

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