FR2871975B1 - Decodeur ldpc - Google Patents

Decodeur ldpc

Info

Publication number
FR2871975B1
FR2871975B1 FR0451307A FR0451307A FR2871975B1 FR 2871975 B1 FR2871975 B1 FR 2871975B1 FR 0451307 A FR0451307 A FR 0451307A FR 0451307 A FR0451307 A FR 0451307A FR 2871975 B1 FR2871975 B1 FR 2871975B1
Authority
FR
France
Prior art keywords
ldpc decoder
ldpc
decoder
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
FR0451307A
Other languages
English (en)
Other versions
FR2871975A1 (fr
Inventor
Pascal Urard
Laurent Paumier
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR0451307A priority Critical patent/FR2871975B1/fr
Priority to US11/158,516 priority patent/US7685502B2/en
Publication of FR2871975A1 publication Critical patent/FR2871975A1/fr
Application granted granted Critical
Publication of FR2871975B1 publication Critical patent/FR2871975B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M13/03—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
    • H03M13/11—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 using multiple parity bits
    • H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1105—Decoding
    • H03M13/1131—Scheduling of bit node or check node processing
    • H03M13/1137—Partly parallel processing, i.e. sub-blocks or sub-groups of nodes being processed in parallel
    • 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
    • H03M13/11—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 using multiple parity bits
    • H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1105—Decoding

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
FR0451307A 2004-06-22 2004-06-22 Decodeur ldpc Expired - Fee Related FR2871975B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0451307A FR2871975B1 (fr) 2004-06-22 2004-06-22 Decodeur ldpc
US11/158,516 US7685502B2 (en) 2004-06-22 2005-06-22 LDPC decoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0451307A FR2871975B1 (fr) 2004-06-22 2004-06-22 Decodeur ldpc

Publications (2)

Publication Number Publication Date
FR2871975A1 FR2871975A1 (fr) 2005-12-23
FR2871975B1 true FR2871975B1 (fr) 2006-08-11

Family

ID=34945696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0451307A Expired - Fee Related FR2871975B1 (fr) 2004-06-22 2004-06-22 Decodeur ldpc

Country Status (2)

Country Link
US (1) US7685502B2 (fr)
FR (1) FR2871975B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2900294B1 (fr) 2006-04-19 2008-07-04 St Microelectronics Sa Chargement de la memoire d'entree d'un decodeur ldpc avec des donnees a decoder
TWI410055B (zh) * 2007-11-26 2013-09-21 Sony Corp Data processing device, data processing method and program product for performing data processing method on computer
TW200926612A (en) * 2007-12-07 2009-06-16 Univ Nat Chiao Tung Multi-mode parallelism data exchange method and its device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7178080B2 (en) * 2002-08-15 2007-02-13 Texas Instruments Incorporated Hardware-efficient low density parity check code for digital communications
US7120856B2 (en) * 2002-09-25 2006-10-10 Leanics Corporation LDPC code and encoder/decoder regarding same
US6957375B2 (en) * 2003-02-26 2005-10-18 Flarion Technologies, Inc. Method and apparatus for performing low-density parity-check (LDPC) code operations using a multi-level permutation
US7139959B2 (en) * 2003-03-24 2006-11-21 Texas Instruments Incorporated Layered low density parity check decoding for digital communications
JP4225163B2 (ja) * 2003-05-13 2009-02-18 ソニー株式会社 復号装置および復号方法、並びにプログラム
FR2871976B1 (fr) * 2004-06-22 2006-08-11 St Microelectronics Sa Decodeur ldpc

Also Published As

Publication number Publication date
FR2871975A1 (fr) 2005-12-23
US7685502B2 (en) 2010-03-23
US20050283703A1 (en) 2005-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150227