FR2813723B1 - Procedes de turbocodage circulaire de haut rendement, et systemes pour leur mise en oeuvre - Google Patents

Procedes de turbocodage circulaire de haut rendement, et systemes pour leur mise en oeuvre

Info

Publication number
FR2813723B1
FR2813723B1 FR0011233A FR0011233A FR2813723B1 FR 2813723 B1 FR2813723 B1 FR 2813723B1 FR 0011233 A FR0011233 A FR 0011233A FR 0011233 A FR0011233 A FR 0011233A FR 2813723 B1 FR2813723 B1 FR 2813723B1
Authority
FR
France
Prior art keywords
turbocoding
implementing
systems
methods
same
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
FR0011233A
Other languages
English (en)
Other versions
FR2813723A1 (fr
Inventor
Philippe Piret
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to FR0011233A priority Critical patent/FR2813723B1/fr
Publication of FR2813723A1 publication Critical patent/FR2813723A1/fr
Application granted granted Critical
Publication of FR2813723B1 publication Critical patent/FR2813723B1/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
    • H03M13/29—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
    • H03M13/2996—Tail biting
    • 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
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory 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
    • H03M13/27—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
    • H03M13/2771—Internal interleaver for turbo codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
FR0011233A 2000-09-04 2000-09-04 Procedes de turbocodage circulaire de haut rendement, et systemes pour leur mise en oeuvre Expired - Fee Related FR2813723B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0011233A FR2813723B1 (fr) 2000-09-04 2000-09-04 Procedes de turbocodage circulaire de haut rendement, et systemes pour leur mise en oeuvre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0011233A FR2813723B1 (fr) 2000-09-04 2000-09-04 Procedes de turbocodage circulaire de haut rendement, et systemes pour leur mise en oeuvre

Publications (2)

Publication Number Publication Date
FR2813723A1 FR2813723A1 (fr) 2002-03-08
FR2813723B1 true FR2813723B1 (fr) 2002-11-08

Family

ID=8853934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0011233A Expired - Fee Related FR2813723B1 (fr) 2000-09-04 2000-09-04 Procedes de turbocodage circulaire de haut rendement, et systemes pour leur mise en oeuvre

Country Status (1)

Country Link
FR (1) FR2813723B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101409566B (zh) * 2007-10-12 2012-03-21 华为技术有限公司 卷积Turbo码循环状态查找方法及装置、译码方法及装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0928071B8 (fr) * 1997-12-30 2007-04-25 Canon Kabushiki Kaisha Entrelaceur pour turbo-codeur

Also Published As

Publication number Publication date
FR2813723A1 (fr) 2002-03-08

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140530