DE69630413D1 - Rekursiver Entzerrer mit Alarmschaltung - Google Patents

Rekursiver Entzerrer mit Alarmschaltung

Info

Publication number
DE69630413D1
DE69630413D1 DE69630413T DE69630413T DE69630413D1 DE 69630413 D1 DE69630413 D1 DE 69630413D1 DE 69630413 T DE69630413 T DE 69630413T DE 69630413 T DE69630413 T DE 69630413T DE 69630413 D1 DE69630413 D1 DE 69630413D1
Authority
DE
Germany
Prior art keywords
alarm circuit
recursive equalizer
recursive
equalizer
alarm
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.)
Expired - Fee Related
Application number
DE69630413T
Other languages
English (en)
Other versions
DE69630413T2 (de
Inventor
Yuzo Kurokami
Hideki Matsuura
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
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69630413D1 publication Critical patent/DE69630413D1/de
Application granted granted Critical
Publication of DE69630413T2 publication Critical patent/DE69630413T2/de
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
DE69630413T 1995-03-15 1996-03-14 Rekursiver Entzerrer mit Alarmschaltung Expired - Fee Related DE69630413T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8467595 1995-03-15
JP08467595A JP3270289B2 (ja) 1995-03-15 1995-03-15 判定帰還形等化器

Publications (2)

Publication Number Publication Date
DE69630413D1 true DE69630413D1 (de) 2003-11-27
DE69630413T2 DE69630413T2 (de) 2004-06-17

Family

ID=13837287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69630413T Expired - Fee Related DE69630413T2 (de) 1995-03-15 1996-03-14 Rekursiver Entzerrer mit Alarmschaltung

Country Status (4)

Country Link
US (1) US5668833A (de)
EP (1) EP0732831B1 (de)
JP (1) JP3270289B2 (de)
DE (1) DE69630413T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2830806B2 (ja) * 1995-11-29 1998-12-02 日本電気株式会社 データ再生検出装置
JPH09284353A (ja) * 1996-04-18 1997-10-31 Matsushita Commun Ind Co Ltd 受信機
US5742642A (en) * 1996-10-29 1998-04-21 Telefonaktiebolaget Lm Ericsson Signal processing method and apparatus for reducing equalizer error
SE512008C2 (sv) * 1997-09-19 2000-01-10 Ericsson Telefon Ab L M Förfarande och arrangemang för demodulering av datasymboler
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
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
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
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
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
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
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
US6661847B1 (en) 1999-05-20 2003-12-09 International Business Machines Corporation Systems methods and computer program products for generating and optimizing signal constellations
US6690739B1 (en) 2000-01-14 2004-02-10 Shou Yee Mui Method for intersymbol interference compensation
JP3856101B2 (ja) 2001-09-03 2006-12-13 日本電気株式会社 受信波形整形機能を有する光受信装置
US6920333B2 (en) * 2002-09-12 2005-07-19 George L. Yang Decision feedback equalizer with embedded coherent signal combiner
EP2375661B1 (de) * 2005-01-20 2018-09-26 Rambus Inc. Hochgeschwindigkeitssignalsysteme mit anpassbarer Präemphase und Entzerrung
EP2068456A1 (de) * 2006-09-28 2009-06-10 Panasonic Corporation Vorrichtung zum entzerren von wellenformen
JP5257080B2 (ja) * 2009-01-08 2013-08-07 日本電気株式会社 等化器
CN116232816B (zh) * 2023-05-08 2023-08-04 山东云海国创云计算装备产业创新中心有限公司 信号处理方法、信号传输装置及互联接口

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328585A (en) * 1980-04-02 1982-05-04 Signatron, Inc. Fast adapting fading channel equalizer
JP2503726B2 (ja) * 1990-05-25 1996-06-05 日本電気株式会社 判定帰還形等化器
US5297165A (en) * 1990-07-06 1994-03-22 Nippon Telegraph And Telephone Corporation Equalizer for radio receive signal
JP2611557B2 (ja) * 1991-02-19 1997-05-21 日本電気株式会社 判定帰還形自動等化器
US5513214A (en) * 1992-03-05 1996-04-30 Loral Federal Systems Company System and method of estimating equalizer performance in the presence of channel mismatch
US5398259A (en) * 1992-07-01 1995-03-14 Nec Corporation Decision-feedback equalizer for cancelling CW interference
US5440583A (en) * 1992-08-24 1995-08-08 Nec Corporation Decision feedback equalizer with second-order recursive filter controlled with two feedback coefficients
JP2885612B2 (ja) * 1993-06-25 1999-04-26 日本電気株式会社 干渉波除去装置
JP3102221B2 (ja) * 1993-09-10 2000-10-23 三菱電機株式会社 適応等化器および適応ダイバーシチ等化器
FR2738967B1 (fr) * 1995-09-15 1997-12-05 France Telecom Dispositif d'egalisation adaptatif pour systemes de communications numeriques

Also Published As

Publication number Publication date
JP3270289B2 (ja) 2002-04-02
US5668833A (en) 1997-09-16
DE69630413T2 (de) 2004-06-17
EP0732831B1 (de) 2003-10-22
EP0732831A2 (de) 1996-09-18
EP0732831A3 (de) 1999-10-20
JPH08256093A (ja) 1996-10-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee