ATE219306T1 - Turbo-code dekodierer - Google Patents

Turbo-code dekodierer

Info

Publication number
ATE219306T1
ATE219306T1 AT99202924T AT99202924T ATE219306T1 AT E219306 T1 ATE219306 T1 AT E219306T1 AT 99202924 T AT99202924 T AT 99202924T AT 99202924 T AT99202924 T AT 99202924T AT E219306 T1 ATE219306 T1 AT E219306T1
Authority
AT
Austria
Prior art keywords
bit
soft metric
encoded bit
symbol
produce
Prior art date
Application number
AT99202924T
Other languages
English (en)
Inventor
Garegin Makarian
Keith Pickavance
Original Assignee
Tandberg Television Asa
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 Tandberg Television Asa filed Critical Tandberg Television Asa
Application granted granted Critical
Publication of ATE219306T1 publication Critical patent/ATE219306T1/de

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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3776—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using a re-encoding step during the decoding process
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H03M13/296—Particular turbo code structure
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • H03M13/1515—Reed-Solomon 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H03M13/296—Particular turbo code structure
    • H03M13/2966—Turbo codes concatenated with another code, e.g. an outer block code

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Details Of Television Scanning (AREA)
  • Amplifiers (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT99202924T 1998-09-10 1999-09-08 Turbo-code dekodierer ATE219306T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9819689.2A GB9819689D0 (en) 1998-09-10 1998-09-10 Decoding symbols representing digital words

Publications (1)

Publication Number Publication Date
ATE219306T1 true ATE219306T1 (de) 2002-06-15

Family

ID=10838603

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99202924T ATE219306T1 (de) 1998-09-10 1999-09-08 Turbo-code dekodierer

Country Status (5)

Country Link
US (1) US6611940B1 (de)
EP (1) EP0986180B1 (de)
AT (1) ATE219306T1 (de)
DE (1) DE69901765T2 (de)
GB (1) GB9819689D0 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001231263A1 (en) * 2000-01-31 2001-08-07 Texas Instruments Incorporated Home networking over phone lines
KR100724921B1 (ko) * 2001-02-16 2007-06-04 삼성전자주식회사 통신시스템에서 부호 생성 및 복호 장치 및 방법
US7093179B2 (en) * 2001-03-22 2006-08-15 University Of Florida Method and coding means for error-correction utilizing concatenated parity and turbo codes
KR101389593B1 (ko) * 2001-08-23 2014-04-29 애플 인크. Ｃｏ-ｓｅｔ와 강하게 코딩된 ｃｏ-ｓｅｔ 식별자를조합하여 직교 진폭 변조를 행하기 위한 시스템 및 방법
JP2003203435A (ja) * 2002-01-09 2003-07-18 Fujitsu Ltd データ再生装置
US7142610B1 (en) * 2003-06-17 2006-11-28 The Aerospace Corporation M-Ary quadrature amplitude modulation (QAM) bit-boundary turbo coded system
US7142611B2 (en) * 2003-06-17 2006-11-28 The Aerospace Corporation M-Ary phase shift keying (PSK) bit-boundary turbo coded system
GB2414638A (en) * 2004-05-26 2005-11-30 Tandberg Television Asa Decoding a concatenated convolutional-encoded and block encoded signal
US7515601B2 (en) * 2005-05-31 2009-04-07 Broadcom Corporation Turbo decoding module supporting state n metric value normalization operations

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930003757A (ko) 1991-07-31 1993-02-24 오오가 노리오 영상 신호 전송 장치 및 방법
US5394483A (en) 1992-06-30 1995-02-28 Eastman Kodak Co Method and apparatus for determining visually perceptible differences between images
US6529631B1 (en) 1996-03-29 2003-03-04 Sarnoff Corporation Apparatus and method for optimizing encoding and performing automated steerable image compression in an image coding system using a perceptual metric
US6163571A (en) * 1998-04-24 2000-12-19 Ericsson Inc. Method for measuring received signal quality in a mobile wireless communication system
US6236685B1 (en) * 1998-06-05 2001-05-22 Sicom, Inc. Pragmatic trellis-coded digital communication with multi-stage branch metrics

Also Published As

Publication number Publication date
GB9819689D0 (en) 1998-11-04
EP0986180A1 (de) 2000-03-15
DE69901765T2 (de) 2002-10-17
EP0986180B1 (de) 2002-06-12
DE69901765D1 (de) 2002-07-18
US6611940B1 (en) 2003-08-26

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