CN114946144A - 低密度奇偶校验码编码方法和编码器 - Google Patents

低密度奇偶校验码编码方法和编码器 Download PDF

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CN114946144A
CN114946144A CN202080093341.1A CN202080093341A CN114946144A CN 114946144 A CN114946144 A CN 114946144A CN 202080093341 A CN202080093341 A CN 202080093341A CN 114946144 A CN114946144 A CN 114946144A
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matrix
data
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CN114946144B (zh
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张旭
金晶
张睦
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error 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
    • H03M13/11Error 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems

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  • 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)

Abstract

本申请实施例提供一种低密度奇偶校验码编码方法和编码器,涉及芯片技术领域,能够解决采用LDPC编码计算时延大,计算复杂度大的问题。其方法为:根据LDPC校验矩阵对第一数据进行编码,并输出编码后得到的第二数据;其中,LDPC校验矩阵包括校验位部分,校验位部分为下三角矩阵,下三角矩阵对角线上方的子矩阵为零矩阵;下三角矩阵的前M1列中位于对角线及对角线下方的子矩阵为CPM;下三角矩阵的后M2列中的位于对角线上的子矩阵为多边矩阵,且位于对角线下方的子矩阵为零矩阵。本申请实施例用于在存储应用架构的数据编码或通信架构中数据发送端的数据编码。

Description

PCT国内申请,说明书已公开。

Claims (24)

  1. PCT国内申请,权利要求书已公开。
CN202080093341.1A 2020-01-21 2020-01-21 低密度奇偶校验码编码方法和编码器 Active CN114946144B (zh)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101321043A (zh) * 2007-06-08 2008-12-10 大唐移动通信设备有限公司 低密度校验码编码的译码方法及译码装置
CN102055485A (zh) * 2010-12-24 2011-05-11 中国人民解放军理工大学 准循环低密度奇偶校验码及其修正和线性编码方法
US20140201588A1 (en) * 2013-01-16 2014-07-17 Broadcom Corporation Low density parity check (LDPC) coding in communication systems
US9473180B2 (en) * 2014-11-20 2016-10-18 Electronics And Telecommunications Research Instit Apparatus for converting frequency and RF transmitter comprising same
CN108712174A (zh) * 2017-06-27 2018-10-26 华为技术有限公司 信息处理的方法、装置和通信设备
CN109379086A (zh) * 2018-10-11 2019-02-22 西安电子科技大学 低复杂度的码率兼容的5g ldpc编码方法和编码器
CN109478896A (zh) * 2017-02-06 2019-03-15 Lg 电子株式会社 使用行正交结构的ldpc码传输方法以及用于此的设备
WO2019134655A1 (zh) * 2018-01-05 2019-07-11 中兴通讯股份有限公司 一种ldpc编码的方法、装置及数据发送的方法、装置
WO2019226064A1 (en) * 2018-05-22 2019-11-28 Huawei Technologies Co., Ltd. Type-i qc-ldpc codes with efficient encoding and good error floor characteristic
CN110677157A (zh) * 2017-06-27 2020-01-10 华为技术有限公司 信息处理的方法、装置和通信设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101445080B1 (ko) * 2008-02-12 2014-09-29 삼성전자 주식회사 하이브리드 자동 반복 요구 방식을 사용하는 통신 시스템에서 신호 송신 방법 및 장치
CN108988871A (zh) * 2017-05-31 2018-12-11 电信科学技术研究院 一种编码方法及装置、计算机存储介质

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101321043A (zh) * 2007-06-08 2008-12-10 大唐移动通信设备有限公司 低密度校验码编码的译码方法及译码装置
CN102055485A (zh) * 2010-12-24 2011-05-11 中国人民解放军理工大学 准循环低密度奇偶校验码及其修正和线性编码方法
US20140201588A1 (en) * 2013-01-16 2014-07-17 Broadcom Corporation Low density parity check (LDPC) coding in communication systems
US9473180B2 (en) * 2014-11-20 2016-10-18 Electronics And Telecommunications Research Instit Apparatus for converting frequency and RF transmitter comprising same
CN109478896A (zh) * 2017-02-06 2019-03-15 Lg 电子株式会社 使用行正交结构的ldpc码传输方法以及用于此的设备
CN108712174A (zh) * 2017-06-27 2018-10-26 华为技术有限公司 信息处理的方法、装置和通信设备
CN110677157A (zh) * 2017-06-27 2020-01-10 华为技术有限公司 信息处理的方法、装置和通信设备
WO2019134655A1 (zh) * 2018-01-05 2019-07-11 中兴通讯股份有限公司 一种ldpc编码的方法、装置及数据发送的方法、装置
WO2019226064A1 (en) * 2018-05-22 2019-11-28 Huawei Technologies Co., Ltd. Type-i qc-ldpc codes with efficient encoding and good error floor characteristic
CN109379086A (zh) * 2018-10-11 2019-02-22 西安电子科技大学 低复杂度的码率兼容的5g ldpc编码方法和编码器

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