DE69723559D1 - Verfahren und vorrichtung zur detektion von kommunikationssignalen mit ungleichem fehlerschutz - Google Patents

Verfahren und vorrichtung zur detektion von kommunikationssignalen mit ungleichem fehlerschutz

Info

Publication number
DE69723559D1
DE69723559D1 DE69723559T DE69723559T DE69723559D1 DE 69723559 D1 DE69723559 D1 DE 69723559D1 DE 69723559 T DE69723559 T DE 69723559T DE 69723559 T DE69723559 T DE 69723559T DE 69723559 D1 DE69723559 D1 DE 69723559D1
Authority
DE
Germany
Prior art keywords
unequaled
communication signals
fault protection
detecting communication
detecting
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
DE69723559T
Other languages
English (en)
Other versions
DE69723559T2 (de
Inventor
Karim Jamal
Johan Nystroem
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69723559D1 publication Critical patent/DE69723559D1/de
Application granted granted Critical
Publication of DE69723559T2 publication Critical patent/DE69723559T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
    • H03M13/2703—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques the interleaver involving at least two directions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4138—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions
    • H03M13/4146—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions soft-output Viterbi decoding according to Battail and Hagenauer in which the soft-output is determined using path metric differences along the maximum-likelihood path, i.e. "SOVA" decoding

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE69723559T 1996-07-22 1997-07-22 Verfahren und vorrichtung zur detektion von kommunikationssignalen mit ungleichem fehlerschutz Expired - Lifetime DE69723559T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US684792 1996-07-22
US08/684,792 US5757821A (en) 1996-07-22 1996-07-22 Method and apparatus for detecting communication signals having unequal error protection
PCT/SE1997/001307 WO1998004047A1 (en) 1996-07-22 1997-07-22 Method and apparatus for detecting communication signals having unequal error protection

Publications (2)

Publication Number Publication Date
DE69723559D1 true DE69723559D1 (de) 2003-08-21
DE69723559T2 DE69723559T2 (de) 2004-04-15

Family

ID=24749588

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723559T Expired - Lifetime DE69723559T2 (de) 1996-07-22 1997-07-22 Verfahren und vorrichtung zur detektion von kommunikationssignalen mit ungleichem fehlerschutz

Country Status (9)

Country Link
US (1) US5757821A (de)
EP (1) EP0914719B1 (de)
JP (1) JP3822249B2 (de)
KR (1) KR100491910B1 (de)
AR (1) AR007849A1 (de)
AU (1) AU3790397A (de)
DE (1) DE69723559T2 (de)
TW (1) TW343410B (de)
WO (1) WO1998004047A1 (de)

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JPH10233692A (ja) * 1997-01-16 1998-09-02 Sony Corp オーディオ信号符号化装置および符号化方法並びにオーディオ信号復号装置および復号方法
US6161209A (en) * 1997-03-28 2000-12-12 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Joint detector for multiple coded digital signals
US6175944B1 (en) * 1997-07-15 2001-01-16 Lucent Technologies Inc. Methods and apparatus for packetizing data for transmission through an erasure broadcast channel
WO1999020015A2 (en) * 1997-10-09 1999-04-22 Hughes Electronics Corporation Adaptable overlays for forward error correction schemes based on trellis codes
US7733966B2 (en) * 1997-12-30 2010-06-08 Summit Technology Systems, Lp System and method for space diversified linear block interleaving
US6535497B1 (en) * 1998-05-11 2003-03-18 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for multiplexing of multiple users for enhanced capacity radiocommunications
US6381726B1 (en) * 1999-01-04 2002-04-30 Maxtor Corporation Architecture for soft decision decoding of linear block error correcting codes
FR2794584B1 (fr) * 1999-06-02 2001-09-14 France Telecom Procede de detection en aveugle du mode de codage de donnees numeriques
TW444506B (en) 1999-09-16 2001-07-01 Ind Tech Res Inst Real-time video transmission method on wireless communication networks
US20010033621A1 (en) * 2000-02-07 2001-10-25 Khayrallah Ali S. Method of differential coding and modulation
US20010041981A1 (en) * 2000-02-22 2001-11-15 Erik Ekudden Partial redundancy encoding of speech
US6888897B1 (en) 2000-04-27 2005-05-03 Marvell International Ltd. Multi-mode iterative detector
US7184486B1 (en) 2000-04-27 2007-02-27 Marvell International Ltd. LDPC encoder and decoder and method thereof
US6798852B2 (en) 2000-06-06 2004-09-28 Ericsson Inc. Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information
US6697441B1 (en) 2000-06-06 2004-02-24 Ericsson Inc. Baseband processors and methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits
US7000177B1 (en) 2000-06-28 2006-02-14 Marvell International Ltd. Parity check matrix and method of forming thereof
US6965652B1 (en) 2000-06-28 2005-11-15 Marvell International Ltd. Address generator for LDPC encoder and decoder and method thereof
US7072417B1 (en) 2000-06-28 2006-07-04 Marvell International Ltd. LDPC encoder and method thereof
US7099411B1 (en) 2000-10-12 2006-08-29 Marvell International Ltd. Soft-output decoding method and apparatus for controlled intersymbol interference channels
US7020185B1 (en) 2000-11-28 2006-03-28 Lucent Technologies Inc. Method and apparatus for determining channel conditions in a communication system
US20020138793A1 (en) * 2001-03-26 2002-09-26 Leif Wilhelmsson Iterative decoding of differentially modulated symbols
US7237180B1 (en) * 2002-10-07 2007-06-26 Maxtor Corporation Symbol-level soft output Viterbi algorithm (SOVA) and a simplification on SOVA
AU2003278536A1 (en) * 2002-11-27 2004-06-18 Koninklijke Philips Electronics N.V. Running minimum message passing ldpc decoding
US7191385B2 (en) * 2003-04-24 2007-03-13 Locus Location Systems, Llc Error correction in a locating method and system
US7308057B1 (en) 2003-06-05 2007-12-11 Maxtor Corporation Baseline wander compensation for perpendicular recording
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) * 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
BRPI0511576A (pt) * 2004-05-27 2008-01-02 Matsushita Electric Ind Co Ltd aparelho de decodificação de viterbi e método de decodificação de viterbi
WO2006082815A1 (ja) * 2005-02-02 2006-08-10 Matsushita Electric Industrial Co., Ltd. 無線通信システム、インタリーブパターン制御装置およびインタリーブパターン制御方法
US7773697B2 (en) * 2005-03-23 2010-08-10 Delphi Technologies, Inc. Method to demodulate amplitude offsets in a differential modulation system
US7577892B1 (en) 2005-08-25 2009-08-18 Marvell International Ltd High speed iterative decoder
US7861131B1 (en) 2005-09-01 2010-12-28 Marvell International Ltd. Tensor product codes containing an iterative code
KR100727896B1 (ko) 2006-01-24 2007-06-14 삼성전자주식회사 디지털 통신 시스템의 채널 코딩 방법 및 이를 이용한 채널코딩 장치
US8321769B1 (en) 2008-11-06 2012-11-27 Marvell International Ltd. Multi-parity tensor-product code for data channel
US8781033B2 (en) * 2012-06-26 2014-07-15 Lsi Corporation Apparatus and method for breaking trapping sets
CN108337069B (zh) * 2018-01-19 2021-06-25 国网辽宁省电力有限公司 一种改进的降低误码率的末端并行分组crc校验***

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US4047151A (en) * 1974-12-24 1977-09-06 Rydbeck Nils R C Adaptive error correcting transmission system
NL8400630A (nl) * 1984-02-29 1985-09-16 Philips Nv Decodeerinrichting voor een stroom van codesymbolen die woordsgewijze beschermd zijn door een dubbele reed-solomon-code met een minimum hamming-afstand van 5 over de codesymbolen en een verbladeringsmechanisme tussen de beide codes, alsmede speler voorzien van zo een decodeerinrichting.
GB2182529A (en) * 1985-10-30 1987-05-13 Philips Electronic Associated Digital communication of analogue signals
US5416804A (en) * 1991-08-21 1995-05-16 U.S. Philips Corporation Digital signal decoder using concatenated codes
US5278871A (en) * 1992-03-19 1994-01-11 Motorola, Inc. Method and apparatus for estimating signal weighting parameters in a receiver
WO1993022853A1 (en) * 1992-04-27 1993-11-11 The Commonwealth Of Australia Optimum estimation of data and parameters for communication systems
EP0571019B1 (de) * 1992-05-19 2000-01-26 Koninklijke Philips Electronics N.V. Erweitertes fehlergeschütztes Kommunikationssystem
DE4240226C2 (de) * 1992-11-30 1996-12-12 Deutsche Forsch Luft Raumfahrt Verfahren zum digitalen Übertragen von hierarchischen HDTV-, EDTV- und SDTV-Fernsehsignalen
CA2131674A1 (en) * 1993-09-10 1995-03-11 Kalyan Ganesan High performance error control coding in channel encoders and decoders

Also Published As

Publication number Publication date
KR100491910B1 (ko) 2005-05-27
JP2000515341A (ja) 2000-11-14
EP0914719A1 (de) 1999-05-12
TW343410B (en) 1998-10-21
JP3822249B2 (ja) 2006-09-13
AR007849A1 (es) 1999-11-24
US5757821A (en) 1998-05-26
DE69723559T2 (de) 2004-04-15
KR20000067966A (ko) 2000-11-25
EP0914719B1 (de) 2003-07-16
AU3790397A (en) 1998-02-10
WO1998004047A1 (en) 1998-01-29

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