BRPI0918901A8 - Método e dispositivo para decodificar bloco de transporte, e, método e dispositivo para decodificação iterativa de bloco de transporte - Google Patents

Método e dispositivo para decodificar bloco de transporte, e, método e dispositivo para decodificação iterativa de bloco de transporte

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Publication number
BRPI0918901A8
BRPI0918901A8 BRPI0918901A BRPI0918901A BRPI0918901A8 BR PI0918901 A8 BRPI0918901 A8 BR PI0918901A8 BR PI0918901 A BRPI0918901 A BR PI0918901A BR PI0918901 A BRPI0918901 A BR PI0918901A BR PI0918901 A8 BRPI0918901 A8 BR PI0918901A8
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BR
Brazil
Prior art keywords
decoding
block
crc
transport block
sub
Prior art date
Application number
BRPI0918901A
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English (en)
Inventor
Ramesh Rajaram
Koorapaty Havish
Balachandran Kumar
Cheng Jung-Fu
Original Assignee
Ericsson Telefon Ab L M
Cluster Llc
Optis Cellular Tech Llc
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41666597&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0918901(A8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M, Cluster Llc, Optis Cellular Tech Llc filed Critical Ericsson Telefon Ab L M
Publication of BRPI0918901A2 publication Critical patent/BRPI0918901A2/pt
Publication of BRPI0918901A8 publication Critical patent/BRPI0918901A8/pt
Publication of BRPI0918901B1 publication Critical patent/BRPI0918901B1/pt
Publication of BRPI0918901B8 publication Critical patent/BRPI0918901B8/pt

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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
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • H03M13/093—CRC update after modification of the information word
    • 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
    • H03M13/03—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
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • 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
    • 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
    • H03M13/2948—Iterative 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
    • H03M13/2975—Judging correct decoding, e.g. iteration stopping criteria
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6522—Intended application, e.g. transmission or communication standard
    • H03M13/6525—3GPP LTE including E-UTRA
    • 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
    • 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
    • H04L1/0051—Stopping criteria
    • 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
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • 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
    • H03M13/2948—Iterative decoding
    • H03M13/2951—Iterative decoding using iteration stopping criteria
    • 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
    • H03M13/3746—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with iterative decoding
    • H03M13/3753—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with iterative decoding using iteration stopping criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Detection And Correction Of Errors (AREA)

Abstract

MÉTODO E DISPOSITIVO PARA DECODIFICAÇÃO ITERATIVA DE UM BLOCO RECEBIDO, MÉTODO E DISPOSITIVO PARA DECODIFICAR UM BLOCO DE TRANSPORTE, DISPOSITIVO PARA DECODIFICAÇÃO ITERATIVA DE UM BLOCO DE TRANSPORTE, E, INSTRUÇÕES EXECUTÁVEIS POR PROCESSADOR DE ARMAZENAMENTO DE MEMÓRIA. A decodificação iterativa de blocos pode ser continuada ou terminada com base na verificação de CRC. Em uma modalidade exemplo, uma iteração de um processo de decodificação iterativa é efetuada em um bloco cujos bits de informação são cobertos por um CRC. O processo de decodificação iterativa é parado se CRC é verificada para um número pré-determinado de iterações consecutivas. Em uma outra modalidade exemplo, uma iteração de decodificação é efetuada em um sub-bloco particular de sub-blocos múltiplos de um bloco de transporte, que inclui uma única CRC sobre a totalidade do bloco de transporte. A CRC é verificada usando bits decodificados obtidos a partir de uma iteração de decodificação no sub-bloco particular e bits decodificados obtidos a partir de iterações de decodificação anteriores nos outros sub-blocos dos sub-blocos múltiplos. A iteração de decodificação é então efetuada em um diferente sub-bloco se a CRC não é verificada. Também, as iterações de decodificação para os sub-blocos podem ser terminadas se a CRC é verificada.
BRPI0918901A 2008-09-19 2009-09-16 “método e dispositivo para decodificar bloco de transporte, e, método e dispositivo para decodificação iterativa de bloco de transporte.” BRPI0918901B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/234,067 US20090077457A1 (en) 2007-09-19 2008-09-19 Iterative decoding of blocks with cyclic redundancy checks
US12/234,067 2008-09-19
PCT/IB2009/006856 WO2010032108A2 (en) 2008-09-19 2009-09-16 Iterative decoding of blocks with cyclic redundancy checks

Publications (4)

Publication Number Publication Date
BRPI0918901A2 BRPI0918901A2 (pt) 2015-12-08
BRPI0918901A8 true BRPI0918901A8 (pt) 2018-06-12
BRPI0918901B1 BRPI0918901B1 (pt) 2020-09-15
BRPI0918901B8 BRPI0918901B8 (pt) 2021-02-02

Family

ID=41666597

Family Applications (1)

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BRPI0918901A BRPI0918901B8 (pt) 2008-09-19 2009-09-16 “método e dispositivo para decodificar bloco de transporte, e, método e dispositivo para decodificação iterativa de bloco de transporte.”

Country Status (7)

Country Link
US (3) US20090077457A1 (pt)
EP (1) EP2327179B1 (pt)
CN (2) CN102160315B (pt)
AU (1) AU2009294359B2 (pt)
BR (1) BRPI0918901B8 (pt)
CA (1) CA2737416C (pt)
WO (1) WO2010032108A2 (pt)

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Also Published As

Publication number Publication date
BRPI0918901A2 (pt) 2015-12-08
US20120042226A1 (en) 2012-02-16
US8527843B2 (en) 2013-09-03
WO2010032108A2 (en) 2010-03-25
EP2327179A2 (en) 2011-06-01
CN102160315B (zh) 2014-11-05
AU2009294359B2 (en) 2015-11-12
CA2737416C (en) 2017-01-03
EP2327179B1 (en) 2015-11-11
BRPI0918901B8 (pt) 2021-02-02
CN104202126A (zh) 2014-12-10
WO2010032108A3 (en) 2010-05-14
US9197246B2 (en) 2015-11-24
AU2009294359A1 (en) 2010-03-25
CN104202126B (zh) 2017-10-24
CA2737416A1 (en) 2010-03-25
US20130311858A1 (en) 2013-11-21
BRPI0918901B1 (pt) 2020-09-15
CN102160315A (zh) 2011-08-17
US20090077457A1 (en) 2009-03-19

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