CA2243013A1 - Encodage en code turbo - Google Patents

Encodage en code turbo Download PDF

Info

Publication number
CA2243013A1
CA2243013A1 CA 2243013 CA2243013A CA2243013A1 CA 2243013 A1 CA2243013 A1 CA 2243013A1 CA 2243013 CA2243013 CA 2243013 CA 2243013 A CA2243013 A CA 2243013A CA 2243013 A1 CA2243013 A1 CA 2243013A1
Authority
CA
Canada
Prior art keywords
bits
encoder
information
parity
convolutional code
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.)
Abandoned
Application number
CA 2243013
Other languages
English (en)
Inventor
Mark Bingeman
Amir Keyvan Khandani
Farideh Khaleghi
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA 2243013 priority Critical patent/CA2243013A1/fr
Publication of CA2243013A1 publication Critical patent/CA2243013A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • 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
    • H03M13/2778—Interleaver using block-wise interleaving, e.g. the interleaving matrix is sub-divided into sub-matrices and the permutation is performed in blocks of sub-matrices
    • 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
    • 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
    • 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
    • H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Error Detection And Correction (AREA)
CA 2243013 1998-07-14 1998-07-14 Encodage en code turbo Abandoned CA2243013A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2243013 CA2243013A1 (fr) 1998-07-14 1998-07-14 Encodage en code turbo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2243013 CA2243013A1 (fr) 1998-07-14 1998-07-14 Encodage en code turbo

Publications (1)

Publication Number Publication Date
CA2243013A1 true CA2243013A1 (fr) 2000-01-14

Family

ID=29409625

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2243013 Abandoned CA2243013A1 (fr) 1998-07-14 1998-07-14 Encodage en code turbo

Country Status (1)

Country Link
CA (1) CA2243013A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003067802A1 (fr) * 2002-02-08 2003-08-14 Linkair Communications, Inc. Procede de codage et de modulation adaptatifs pour transmission de donnees a grande vitesse
KR100724921B1 (ko) * 2001-02-16 2007-06-04 삼성전자주식회사 통신시스템에서 부호 생성 및 복호 장치 및 방법
WO2023246346A1 (fr) * 2022-06-25 2023-12-28 华为技术有限公司 Appareil de transmission de données

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100724921B1 (ko) * 2001-02-16 2007-06-04 삼성전자주식회사 통신시스템에서 부호 생성 및 복호 장치 및 방법
WO2003067802A1 (fr) * 2002-02-08 2003-08-14 Linkair Communications, Inc. Procede de codage et de modulation adaptatifs pour transmission de donnees a grande vitesse
WO2023246346A1 (fr) * 2022-06-25 2023-12-28 华为技术有限公司 Appareil de transmission de données

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead