WO2009035096A1 - 通信システム、送信装置、誤り訂正符号再送方法、通信プログラム - Google Patents

通信システム、送信装置、誤り訂正符号再送方法、通信プログラム Download PDF

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Publication number
WO2009035096A1
WO2009035096A1 PCT/JP2008/066573 JP2008066573W WO2009035096A1 WO 2009035096 A1 WO2009035096 A1 WO 2009035096A1 JP 2008066573 W JP2008066573 W JP 2008066573W WO 2009035096 A1 WO2009035096 A1 WO 2009035096A1
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WO
WIPO (PCT)
Prior art keywords
correcting code
error correcting
transmitter
communication system
communication
Prior art date
Application number
PCT/JP2008/066573
Other languages
English (en)
French (fr)
Inventor
Toshihiko Okamura
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Priority to JP2009532249A priority Critical patent/JP5267883B2/ja
Priority to US12/677,473 priority patent/US8386877B2/en
Publication of WO2009035096A1 publication Critical patent/WO2009035096A1/ja

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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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block 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
    • H03M13/033—Theoretical methods to calculate these checking codes
    • H03M13/036—Heuristic code construction methods, i.e. code construction or code search based on using trial-and-error
    • 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
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6306—Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/635—Error control coding in combination with rate matching
    • H03M13/6362—Error control coding in combination with rate matching by puncturing
    • H03M13/6368—Error control coding in combination with rate matching by puncturing using rate compatible puncturing or complementary puncturing
    • H03M13/6393—Rate compatible low-density parity check [LDPC] 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • 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

Abstract

課題　広範囲のＳＮ比においてパンクチャリングに基づく方法と同程度のスループットを達成し、かつ高符号化率での復号処理の計算量を改善する。 解決手段　送信装置から受信装置に対して通信路上のエラーに対する誤り訂正符号を送信する通信システム通信システムにおいて、送信装置が、受信装置からの誤り訂正符号の再送要求に基づき、送信する符号語における情報ビットを複数のブロックに分割し、複数のブロックのうちの１のブロックに対して短縮符号化を行うことにより誤り訂正符号を生成し、生成した誤り訂正符号を送信する。
PCT/JP2008/066573 2007-09-12 2008-09-12 通信システム、送信装置、誤り訂正符号再送方法、通信プログラム WO2009035096A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009532249A JP5267883B2 (ja) 2007-09-12 2008-09-12 通信システム、送信装置、誤り訂正符号再送方法、通信プログラム
US12/677,473 US8386877B2 (en) 2007-09-12 2008-09-12 Communication system, transmitter, error correcting code retransmitting method, and communication program

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-237042 2007-09-12
JP2007237042 2007-09-12
JP2007-310782 2007-11-30
JP2007310782 2007-11-30

Publications (1)

Publication Number Publication Date
WO2009035096A1 true WO2009035096A1 (ja) 2009-03-19

Family

ID=40452102

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066573 WO2009035096A1 (ja) 2007-09-12 2008-09-12 通信システム、送信装置、誤り訂正符号再送方法、通信プログラム

Country Status (3)

Country Link
US (1) US8386877B2 (ja)
JP (1) JP5267883B2 (ja)
WO (1) WO2009035096A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2019240199A1 (ja) * 2018-06-13 2019-12-19 日本信号株式会社 無線通信システム

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WO2008151516A1 (fr) * 2007-06-08 2008-12-18 Datang Mobile Communications Equipment Co., Ltd Procédé, équipement et système pour codage et décodage ldpc
US20120192026A1 (en) * 2010-07-16 2012-07-26 Industrial Technology Research Institute Methods and Systems for Data Transmission Management Using HARQ Mechanism for Concatenated Coded System
KR101152482B1 (ko) 2010-11-08 2012-06-01 성균관대학교산학협력단 고속 부호율-적응 저밀도 패리티 코드를 이용한 복호화 방법 및 이러한 방법을 사용하는 부/복호화 장치
CN102629898B (zh) * 2012-04-11 2014-12-10 华为技术有限公司 数据传输方法、设备及系统
US10009040B2 (en) * 2015-03-25 2018-06-26 Topcon Positioning Systems, Inc. Method and apparatus for identification and compensation for inversion of input bit stream in LDPC decoding

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Publication number Priority date Publication date Assignee Title
WO2019240199A1 (ja) * 2018-06-13 2019-12-19 日本信号株式会社 無線通信システム
JP2019216375A (ja) * 2018-06-13 2019-12-19 日本信号株式会社 無線通信システム
JP7122878B2 (ja) 2018-06-13 2022-08-22 日本信号株式会社 無線通信システム

Also Published As

Publication number Publication date
JPWO2009035096A1 (ja) 2010-12-24
US20100281327A1 (en) 2010-11-04
JP5267883B2 (ja) 2013-08-21
US8386877B2 (en) 2013-02-26

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