DE3787550D1 - Verfahren und anordnung zur adaptiven blindentzerrung. - Google Patents

Verfahren und anordnung zur adaptiven blindentzerrung.

Info

Publication number
DE3787550D1
DE3787550D1 DE87200400T DE3787550T DE3787550D1 DE 3787550 D1 DE3787550 D1 DE 3787550D1 DE 87200400 T DE87200400 T DE 87200400T DE 3787550 T DE3787550 T DE 3787550T DE 3787550 D1 DE3787550 D1 DE 3787550D1
Authority
DE
Germany
Prior art keywords
arrangement
adaptive blind
blind removal
removal
adaptive
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 - Lifetime
Application number
DE87200400T
Other languages
English (en)
Other versions
DE3787550T2 (de
Inventor
Giorgio Picchi
Giancarlo Prati
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.)
Italtel SpA
Siemens Telecomunicazioni SpA
Original Assignee
Siemens Telecomunicazioni SpA
Societa Italiana Telecomunicazioni Siemens SpA
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 Siemens Telecomunicazioni SpA, Societa Italiana Telecomunicazioni Siemens SpA filed Critical Siemens Telecomunicazioni SpA
Application granted granted Critical
Publication of DE3787550D1 publication Critical patent/DE3787550D1/de
Publication of DE3787550T2 publication Critical patent/DE3787550T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L25/0307—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using blind adaptation

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE87200400T 1986-03-25 1987-03-05 Verfahren und Anordnung zur adaptiven Blindentzerrung. Expired - Lifetime DE3787550T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19866/86A IT1188626B (it) 1986-03-25 1986-03-25 Metodo e dispositivo di equalizzazione adattiva cieca

Publications (2)

Publication Number Publication Date
DE3787550D1 true DE3787550D1 (de) 1993-11-04
DE3787550T2 DE3787550T2 (de) 1994-03-10

Family

ID=11161907

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87200400T Expired - Lifetime DE3787550T2 (de) 1986-03-25 1987-03-05 Verfahren und Anordnung zur adaptiven Blindentzerrung.

Country Status (9)

Country Link
US (1) US4847797A (de)
EP (1) EP0239153B1 (de)
JP (1) JPS62232223A (de)
CN (1) CN1010733B (de)
AU (1) AU593071B2 (de)
DE (1) DE3787550T2 (de)
ES (1) ES2043644T3 (de)
IT (1) IT1188626B (de)
ZA (1) ZA872196B (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0750863B2 (ja) * 1987-09-25 1995-05-31 日本電気株式会社 受信器
DE3852395T2 (de) * 1988-10-17 1995-05-24 Ibm Adaptiver Entzerrer für Aufzeichnungssysteme unter Verwendung von Partial-Response-Signalisierung.
SE462942B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare
SE462943B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer frekvensstyrning av en koherent radiomottagare
ATE125090T1 (de) * 1990-03-28 1995-07-15 Alcatel Nv Verfahren zur bestimmung der koeffizienten eines fir-filters bei entzerrern.
FR2666947A1 (fr) * 1990-09-18 1992-03-20 Trt Telecom Radio Electr Dispositif d'egalisation de spectre.
JP2551231B2 (ja) * 1990-11-16 1996-11-06 日本電気株式会社 判定帰還形等化器
US5347541A (en) * 1992-11-02 1994-09-13 The Regents Of The Univ. Of California Apparatus and method for utilizing a blind equalizer based on a Bayesian symbol sequence estimator for use in digital communication
KR0134339B1 (ko) * 1993-06-02 1998-04-27 김광호 디 디(dd) 알고리즘 제어방법
US5432725A (en) * 1993-12-15 1995-07-11 The United States Of America As Represented By The Secretary Of The Navy Self-adapting filter
KR960011739B1 (ko) * 1994-01-18 1996-08-30 대우전자 주식회사 실시간 계수 갱신값 추출장치를 구비한 등화기
KR970000767B1 (ko) * 1994-01-18 1997-01-18 대우전자 주식회사 블라인드 등화기
US5539774A (en) * 1994-06-15 1996-07-23 International Business Machines Corporation Dual decision equalization method and device
US5526378A (en) * 1994-12-14 1996-06-11 Thomson Consumer Electronics, Inc. Blind multipath correction for digital communication channel
US5559830A (en) * 1995-01-23 1996-09-24 Xetron Corp. Equalization system for AM compatible digital receiver
US5809065A (en) * 1996-02-20 1998-09-15 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
US5898732A (en) * 1996-02-20 1999-04-27 Usa Digital Radio Partners, L.P. Data service channel provision for an AM compatible broadcast system
US5703954A (en) * 1996-02-20 1997-12-30 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
EP0820173A3 (de) * 1996-07-16 2001-01-24 Matsushita Electric Industrial Co., Ltd. QAM-Empfänger mit Ausgleich von Phasen- und Frequenzfehlern im Basisband
US5930687A (en) * 1996-09-30 1999-07-27 Usa Digital Radio Partners, L.P. Apparatus and method for generating an AM-compatible digital broadcast waveform
US5878089A (en) * 1997-02-21 1999-03-02 Usa Digital Radio Partners, L.P. Coherent signal detector for AM-compatible digital audio broadcast waveform recovery
US6128334A (en) * 1997-02-21 2000-10-03 Usa Digital Radio, Inc. Receiver addressable AM compatible digital broadcast system
US6314134B1 (en) * 1998-04-24 2001-11-06 Lucent Technologies Inc. Blind equalization algorithm with joint use of the constant modulus algorithm and the multimodulus algorithm
US7110923B2 (en) * 1999-11-04 2006-09-19 Verticalband, Limited Fast, blind equalization techniques using reliable symbols
US7143013B2 (en) * 1999-11-04 2006-11-28 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7085691B2 (en) * 1999-11-04 2006-08-01 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
DE50109891D1 (de) * 2001-10-22 2006-06-29 Tridonicatco Gmbh & Co Kg Fehlerkorrektur von Referenzwerten in elektronischen Schaltungen
WO2005114933A1 (en) * 2004-05-12 2005-12-01 Thomson Licensing Constellation location dependent step sizes for equalizer error signals
US7327914B1 (en) * 2004-08-10 2008-02-05 The Board Of Trustees Of The Leland Stanford Junior University Adaptive optical signal processing with multimode waveguides
US8793560B2 (en) * 2006-03-14 2014-07-29 Qualcomm Incorporated Log-likelihood ratio (LLR) computation using piecewise linear approximation of LLR functions
US10972319B2 (en) * 2018-09-12 2021-04-06 Texas Instruments Incorporated Clockless decision feedback equalization (DFE) for multi-level signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021738A (en) * 1976-03-01 1977-05-03 Bell Telephone Laboratories, Incorporated Adaptive equalizer with fast convergence properties
US4027258A (en) * 1976-06-01 1977-05-31 Xerox Corporation Time domain automatic equalizer with frequency domain control
US4054273A (en) * 1976-08-09 1977-10-18 A-1 Engineering, Inc. Dispersion apparatus for injection molding filter
JPS5630968A (en) * 1979-08-22 1981-03-28 Sumitomo Chem Co Ltd Novel tricyclic cage-shaped amine derivative
JPS57116436A (en) * 1981-01-12 1982-07-20 Nec Corp Demodulator
JPH0249580B2 (ja) * 1981-06-29 1990-10-30 Nippon Electric Co Jidotokaki
US4438521A (en) * 1982-06-07 1984-03-20 Rca Corporation Automatically adaptive transversal filter
IT1158646B (it) * 1982-06-11 1987-02-18 Consiglio Nazionale Ricerche Sistema di equalizzazione adattiva auto-ortogonalizzante nel dominio delle frequenze discrete ed equalizzatore che attua il sistema
JPS592447A (ja) * 1982-06-28 1984-01-09 Fujitsu Ltd 自動等化器を有するデ−タ伝送システム
JPS6016129A (ja) * 1983-07-08 1985-01-26 日本電気株式会社 電源リセツト回路
US4564952A (en) * 1983-12-08 1986-01-14 At&T Bell Laboratories Compensation of filter symbol interference by adaptive estimation of received symbol sequences
AR241298A1 (es) * 1985-10-03 1992-04-30 Siemens Ag Ecualizador transversal adaptivo .

Also Published As

Publication number Publication date
CN1010733B (zh) 1990-12-05
DE3787550T2 (de) 1994-03-10
CN87102279A (zh) 1987-10-07
IT1188626B (it) 1988-01-20
EP0239153A3 (en) 1990-03-28
IT8619866A1 (it) 1987-09-25
US4847797A (en) 1989-07-11
JPS62232223A (ja) 1987-10-12
EP0239153A2 (de) 1987-09-30
EP0239153B1 (de) 1993-09-29
IT8619866A0 (it) 1986-03-25
ES2043644T3 (es) 1994-01-01
AU593071B2 (en) 1990-02-01
ZA872196B (en) 1987-11-25
AU6970387A (en) 1987-10-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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