CN101044688A - 节省存储器的ldpc译码方法和装置 - Google Patents
节省存储器的ldpc译码方法和装置 Download PDFInfo
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- 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
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- H03M13/63—Joint error correction and other techniques
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- 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
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- 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
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- H03M13/1117—Soft-decision decoding, e.g. by means of message passing or belief propagation algorithms using approximations for check node processing, e.g. an outgoing message is depending on the signs and the minimum over the magnitudes of all incoming messages according to the min-sum rule
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- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
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- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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Abstract
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Claims (36)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/909,753 US7127659B2 (en) | 2004-08-02 | 2004-08-02 | Memory efficient LDPC decoding methods and apparatus |
US10/909,753 | 2004-08-02 | ||
PCT/US2005/027526 WO2006017555A2 (en) | 2004-08-02 | 2005-08-01 | Memory efficient ldpc decoding methods and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101044688A true CN101044688A (zh) | 2007-09-26 |
CN101044688B CN101044688B (zh) | 2012-06-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800334730A Expired - Fee Related CN101044688B (zh) | 2004-08-02 | 2005-08-01 | 节省存储器的ldpc译码方法和装置 |
Country Status (11)
Country | Link |
---|---|
US (2) | US7127659B2 (zh) |
EP (2) | EP2683086A3 (zh) |
JP (1) | JP4567734B2 (zh) |
KR (1) | KR100888096B1 (zh) |
CN (1) | CN101044688B (zh) |
AU (1) | AU2005271540A1 (zh) |
CA (1) | CA2575953C (zh) |
NO (1) | NO20071133L (zh) |
UA (1) | UA86987C2 (zh) |
WO (1) | WO2006017555A2 (zh) |
ZA (1) | ZA200701825B (zh) |
Cited By (5)
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CN101188426B (zh) * | 2007-12-05 | 2011-06-22 | 深圳国微技术有限公司 | 用于对准循环结构的ldpc码进行并行处理的译码器及方法 |
CN102970047A (zh) * | 2012-12-01 | 2013-03-13 | 电子科技大学 | 基于平均幅度的ldpc码加权梯度下降比特翻转译码算法 |
CN104052497A (zh) * | 2013-03-13 | 2014-09-17 | 马维尔国际贸易有限公司 | 使用部分可靠性信息解码的***和方法 |
TWI657669B (zh) * | 2017-11-28 | 2019-04-21 | 財團法人資訊工業策進會 | 低密度奇偶檢查碼解碼器及其解碼方法 |
CN110535476A (zh) * | 2019-09-30 | 2019-12-03 | 深圳忆联信息***有限公司 | Ldpc软译码器软信息存储优化方法、装置、计算机设备及存储介质 |
Families Citing this family (77)
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JP4138700B2 (ja) * | 2004-05-31 | 2008-08-27 | 株式会社東芝 | 復号装置および復号回路 |
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US7441178B2 (en) | 2005-02-24 | 2008-10-21 | Keyeye Communications | Low complexity decoding of low density parity check codes |
TWI291290B (en) * | 2005-04-21 | 2007-12-11 | Univ Nat Chiao Tung | Method for updating check-node of low-density parity-check (LDPC) codes decoder and device using the same |
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CN101188426B (zh) * | 2007-12-05 | 2011-06-22 | 深圳国微技术有限公司 | 用于对准循环结构的ldpc码进行并行处理的译码器及方法 |
CN102970047A (zh) * | 2012-12-01 | 2013-03-13 | 电子科技大学 | 基于平均幅度的ldpc码加权梯度下降比特翻转译码算法 |
CN102970047B (zh) * | 2012-12-01 | 2016-02-24 | 电子科技大学 | 基于平均幅度的ldpc码加权梯度下降比特翻转译码算法 |
CN104052497A (zh) * | 2013-03-13 | 2014-09-17 | 马维尔国际贸易有限公司 | 使用部分可靠性信息解码的***和方法 |
CN104052497B (zh) * | 2013-03-13 | 2018-09-18 | 马维尔国际贸易有限公司 | 使用部分可靠性信息解码的***和方法 |
TWI657669B (zh) * | 2017-11-28 | 2019-04-21 | 財團法人資訊工業策進會 | 低密度奇偶檢查碼解碼器及其解碼方法 |
CN110535476A (zh) * | 2019-09-30 | 2019-12-03 | 深圳忆联信息***有限公司 | Ldpc软译码器软信息存储优化方法、装置、计算机设备及存储介质 |
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WO2006017555A3 (en) | 2006-11-09 |
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US20060026486A1 (en) | 2006-02-02 |
CA2575953C (en) | 2009-08-25 |
US7127659B2 (en) | 2006-10-24 |
EP2683086A3 (en) | 2014-01-22 |
NO20071133L (no) | 2007-05-02 |
EP2683086A2 (en) | 2014-01-08 |
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