DE69939006D1 - Verfahren zur Verbesserung der DFE-Leistungen in einem Trelliskodierten System - Google Patents

Verfahren zur Verbesserung der DFE-Leistungen in einem Trelliskodierten System

Info

Publication number
DE69939006D1
DE69939006D1 DE69939006T DE69939006T DE69939006D1 DE 69939006 D1 DE69939006 D1 DE 69939006D1 DE 69939006 T DE69939006 T DE 69939006T DE 69939006 T DE69939006 T DE 69939006T DE 69939006 D1 DE69939006 D1 DE 69939006D1
Authority
DE
Germany
Prior art keywords
trellis
improving
coded system
dfe performance
dfe
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
DE69939006T
Other languages
English (en)
Inventor
Monisha Ghosh
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69939006D1 publication Critical patent/DE69939006D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0054Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • H04L2025/03382Single of vestigal sideband
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439Fixed structures
    • H04L2025/03445Time domain
    • H04L2025/03471Tapped delay lines
    • H04L2025/03484Tapped delay lines time-recursive
    • H04L2025/0349Tapped delay lines time-recursive as a feedback filter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03592Adaptation methods
    • H04L2025/03598Algorithms
    • H04L2025/03611Iterative algorithms
    • H04L2025/03617Time recursive algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Dc Digital Transmission (AREA)
DE69939006T 1998-06-30 1999-06-10 Verfahren zur Verbesserung der DFE-Leistungen in einem Trelliskodierten System Expired - Fee Related DE69939006D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/107,546 US6724844B1 (en) 1998-06-30 1998-06-30 Method and device for improving DFE performance in a trellis-coded system
PCT/IB1999/001087 WO2000001085A2 (en) 1998-06-30 1999-06-10 Method and device for improving dfe performance in a trellis-coded system

Publications (1)

Publication Number Publication Date
DE69939006D1 true DE69939006D1 (de) 2008-08-14

Family

ID=22317153

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939006T Expired - Fee Related DE69939006D1 (de) 1998-06-30 1999-06-10 Verfahren zur Verbesserung der DFE-Leistungen in einem Trelliskodierten System

Country Status (5)

Country Link
US (2) US6724844B1 (de)
EP (1) EP1038365B1 (de)
JP (1) JP2002519931A (de)
DE (1) DE69939006D1 (de)
WO (1) WO2000001085A2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724844B1 (en) * 1998-06-30 2004-04-20 Koninklijke Philips Electronics N.V. Method and device for improving DFE performance in a trellis-coded system
US6477200B1 (en) * 1998-11-09 2002-11-05 Broadcom Corporation Multi-pair gigabit ethernet transceiver
US7072392B2 (en) * 2000-11-13 2006-07-04 Micronas Semiconductors, Inc. Equalizer for time domain signal processing
US7027500B1 (en) * 2000-12-12 2006-04-11 Ati Research, Inc. Linear prediction based initialization of a single-axis blind equalizer for VSB signals
US7006566B2 (en) * 2001-04-10 2006-02-28 Koninklijke Philips Electronics N.V. Two stage equalizer for trellis coded systems
US6734920B2 (en) 2001-04-23 2004-05-11 Koninklijke Philips Electronics N.V. System and method for reducing error propagation in a decision feedback equalizer of ATSC VSB receiver
US6829297B2 (en) * 2001-06-06 2004-12-07 Micronas Semiconductors, Inc. Adaptive equalizer having a variable step size influenced by output from a trellis decoder
US7190744B2 (en) * 2001-06-07 2007-03-13 Micronas Semiconductors, Inc. Error generation for adaptive equalizer
US7418034B2 (en) * 2001-06-19 2008-08-26 Micronas Semiconductors. Inc. Combined trellis decoder and decision feedback equalizer
US7170947B2 (en) * 2001-07-18 2007-01-30 Massana Research Limited Data receiver
FR2829326A1 (fr) * 2001-09-06 2003-03-07 France Telecom Procede et systeme de reception iterative sous optimale pour systeme de transmission haut debit cdma
US7027538B2 (en) 2002-02-14 2006-04-11 Koninklijke Philips Electronics N.V. Method and system for joint decision feedback equalization and complementary code key decoding using a trellis
US7272203B2 (en) * 2002-04-05 2007-09-18 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot
US6995617B2 (en) * 2002-04-05 2006-02-07 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop
US7321642B2 (en) * 2002-04-05 2008-01-22 Micronas Semiconductors, Inc. Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
US7376181B2 (en) * 2002-04-05 2008-05-20 Micronas Semiconductors, Inc. Transposed structure for a decision feedback equalizer combined with a trellis decoder
US7177354B2 (en) * 2003-04-22 2007-02-13 Zenith Electronics Corporation Method and apparatus for the control of a decision feedback equalizer
US7483481B1 (en) * 2004-08-31 2009-01-27 Adtran, Inc. System and method for adaptively updating precoder taps
KR100668789B1 (ko) 2005-01-25 2007-01-12 전남대학교산학협력단 이중 후방 필터 구조의 채널 결정 궤환 등화기
US7561644B2 (en) * 2005-09-29 2009-07-14 Intel Corporation Method, system and device for reducing co-channel interference
US8477833B2 (en) * 2009-02-06 2013-07-02 International Business Machines Corporation Circuits and methods for DFE with reduced area and power consumption
US11943089B2 (en) * 2010-05-28 2024-03-26 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-shifting communications system
US9361488B2 (en) * 2010-07-01 2016-06-07 Intelleflex Corporation Single or dual complex subcarrier downconversion
US8787439B2 (en) * 2012-03-13 2014-07-22 Lsi Corporation Decision feedforward equalization

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US3723911A (en) * 1971-09-13 1973-03-27 Codex Corp Training adaptive linear filters
US5052000A (en) * 1989-06-09 1991-09-24 At&T Bell Laboratories Technique for improving the operation of decision feedback equalizers in communications systems utilizing error correction
US5293402A (en) * 1991-05-02 1994-03-08 Bell Communications Research, Inc. Wideband digital equalizers for subscriber loops
US5249200A (en) * 1991-07-30 1993-09-28 Codex Corporation Device and method for combining precoding with symbol-rate spectral shaping
WO1994029989A1 (en) * 1993-06-14 1994-12-22 International Business Machines Corporation Adaptive noise-predictive partial-response equalization for channels with spectral nulls
US5604769A (en) * 1994-10-13 1997-02-18 Lucent Technologies Inc. Hybrid equalizer arrangement for use in data communications equipment
US5572262A (en) 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
FR2738967B1 (fr) * 1995-09-15 1997-12-05 France Telecom Dispositif d'egalisation adaptatif pour systemes de communications numeriques
US5809086A (en) * 1996-03-20 1998-09-15 Lucent Technologies Inc. Intelligent timing recovery for a broadband adaptive equalizer
US5742642A (en) * 1996-10-29 1998-04-21 Telefonaktiebolaget Lm Ericsson Signal processing method and apparatus for reducing equalizer error
US5777910A (en) * 1996-11-19 1998-07-07 Thomson Multimedia S.A. Sparse equalization filter adaptive in two dimensions
US6134265A (en) * 1996-12-31 2000-10-17 Cirrus Logic, Inc. Precoding coefficient training in a V.34 modem
US6118812A (en) * 1997-05-20 2000-09-12 Lucent Technologies Inc. Digital equalization in the presence of quantization noise
US6285709B1 (en) * 1997-10-31 2001-09-04 3 Com Corporation Error filtering in a hybrid equalizer system
US6012161A (en) * 1997-11-26 2000-01-04 At&T Corp. System and method for joint coding and decision feedback equalization
US6724844B1 (en) * 1998-06-30 2004-04-20 Koninklijke Philips Electronics N.V. Method and device for improving DFE performance in a trellis-coded system
KR100277697B1 (ko) * 1998-12-02 2001-01-15 정선종 제약조건을 갖는 평균평방 오차 최소화 방법을 이용한 적응형수신 장치
US6934345B2 (en) * 2001-01-17 2005-08-23 Adtran, Inc. Apparatus, method and system for correlated noise reduction in a trellis coded environment
US7330068B2 (en) * 2002-04-16 2008-02-12 Bose Corporation Adjusting coefficients of a filter

Also Published As

Publication number Publication date
EP1038365B1 (de) 2008-07-02
WO2000001085A3 (en) 2000-03-30
US20040213342A1 (en) 2004-10-28
WO2000001085A2 (en) 2000-01-06
JP2002519931A (ja) 2002-07-02
EP1038365A2 (de) 2000-09-27
US6724844B1 (en) 2004-04-20

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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