CN102957435A - Ldpc码校验矩阵的构造方法、装置和编码方法及系统 - Google Patents
Ldpc码校验矩阵的构造方法、装置和编码方法及系统 Download PDFInfo
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- CN102957435A CN102957435A CN2011102380459A CN201110238045A CN102957435A CN 102957435 A CN102957435 A CN 102957435A CN 2011102380459 A CN2011102380459 A CN 2011102380459A CN 201110238045 A CN201110238045 A CN 201110238045A CN 102957435 A CN102957435 A CN 102957435A
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- 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
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- 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
- H03M13/1148—Structural properties of the code parity-check or generator matrix
- H03M13/116—Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
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CN201110238045.9A CN102957435B (zh) | 2011-08-17 | 2011-08-17 | Ldpc码校验矩阵的构造方法、装置和编码方法及系统 |
PCT/CN2012/080188 WO2013023604A1 (zh) | 2011-08-17 | 2012-08-15 | Ldpc码校验矩阵的构造方法、装置和编码方法及系统 |
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CN201110238045.9A CN102957435B (zh) | 2011-08-17 | 2011-08-17 | Ldpc码校验矩阵的构造方法、装置和编码方法及系统 |
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CN102957435A true CN102957435A (zh) | 2013-03-06 |
CN102957435B CN102957435B (zh) | 2017-03-15 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103825622A (zh) * | 2014-02-25 | 2014-05-28 | 盐城师范学院 | 一种基于掩模运算的低复杂度准循环ldpc码设计方法 |
CN104393876A (zh) * | 2014-11-04 | 2015-03-04 | 北京航空航天大学 | 奇偶校验矩阵及编码方法和编码器与译码方法和译码器 |
CN104410426A (zh) * | 2014-09-18 | 2015-03-11 | 北京航空航天大学 | 一种多进制ldpc码的构造方法及编码方法 |
CN107612658A (zh) * | 2017-10-19 | 2018-01-19 | 北京科技大学 | 一种基于b类构造格型码的高效编码调制与译码方法 |
WO2018137544A1 (zh) * | 2017-01-25 | 2018-08-02 | 华为技术有限公司 | 数据的传输方法和装置 |
CN114978194A (zh) * | 2022-05-17 | 2022-08-30 | 华侨大学 | 适用于有损信源编码的原模图ldpc码的结构优化方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101753149A (zh) * | 2008-12-10 | 2010-06-23 | 国家广播电影电视总局广播科学研究院 | 一种准循环低密度奇偶校验码的构造方法 |
CN102025441A (zh) * | 2009-09-11 | 2011-04-20 | 北京泰美世纪科技有限公司 | Ldpc码校验矩阵的构造方法、ldpc码的编码方法和编码装置 |
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2011
- 2011-08-17 CN CN201110238045.9A patent/CN102957435B/zh active Active
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- 2012-08-15 WO PCT/CN2012/080188 patent/WO2013023604A1/zh active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101753149A (zh) * | 2008-12-10 | 2010-06-23 | 国家广播电影电视总局广播科学研究院 | 一种准循环低密度奇偶校验码的构造方法 |
CN102025441A (zh) * | 2009-09-11 | 2011-04-20 | 北京泰美世纪科技有限公司 | Ldpc码校验矩阵的构造方法、ldpc码的编码方法和编码装置 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103825622A (zh) * | 2014-02-25 | 2014-05-28 | 盐城师范学院 | 一种基于掩模运算的低复杂度准循环ldpc码设计方法 |
CN104410426A (zh) * | 2014-09-18 | 2015-03-11 | 北京航空航天大学 | 一种多进制ldpc码的构造方法及编码方法 |
CN104410426B (zh) * | 2014-09-18 | 2017-10-13 | 北京航空航天大学 | 一种多进制ldpc码的构造方法及编码方法 |
CN104393876A (zh) * | 2014-11-04 | 2015-03-04 | 北京航空航天大学 | 奇偶校验矩阵及编码方法和编码器与译码方法和译码器 |
CN104393876B (zh) * | 2014-11-04 | 2018-08-17 | 北京航空航天大学 | 奇偶校验矩阵及编码方法和编码器与译码方法和译码器 |
WO2018137544A1 (zh) * | 2017-01-25 | 2018-08-02 | 华为技术有限公司 | 数据的传输方法和装置 |
CN107612658A (zh) * | 2017-10-19 | 2018-01-19 | 北京科技大学 | 一种基于b类构造格型码的高效编码调制与译码方法 |
CN107612658B (zh) * | 2017-10-19 | 2020-07-17 | 北京科技大学 | 一种基于b类构造格型码的高效编码调制与译码方法 |
CN114978194A (zh) * | 2022-05-17 | 2022-08-30 | 华侨大学 | 适用于有损信源编码的原模图ldpc码的结构优化方法及装置 |
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CN102957435B (zh) | 2017-03-15 |
WO2013023604A1 (zh) | 2013-02-21 |
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