CN1934789A - 具有良好性能的不规则缩短的ldpc码的码构造 - Google Patents
具有良好性能的不规则缩短的ldpc码的码构造 Download PDFInfo
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- CN1934789A CN1934789A CNA2005800083889A CN200580008388A CN1934789A CN 1934789 A CN1934789 A CN 1934789A CN A2005800083889 A CNA2005800083889 A CN A2005800083889A CN 200580008388 A CN200580008388 A CN 200580008388A CN 1934789 A CN1934789 A CN 1934789A
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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
-
- 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
- H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
- H03M13/618—Shortening and extension 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
- H03M13/11—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
-
- 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
- H03M13/1165—QC-LDPC codes as defined for the digital video broadcasting [DVB] specifications, e.g. DVB-Satellite [DVB-S2]
-
- 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
- H03M13/118—Parity check matrix structured for simplifying encoding, e.g. by having a triangular or an approximate triangular structure
-
- 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
- H03M13/118—Parity check matrix structured for simplifying encoding, e.g. by having a triangular or an approximate triangular structure
- H03M13/1185—Parity check matrix structured for simplifying encoding, e.g. by having a triangular or an approximate triangular structure wherein the parity-check matrix comprises a part with a double-diagonal
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Error Detection And Correction (AREA)
- Detection And Correction Of Errors (AREA)
- Dc Digital Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
CodeRate | 13 | 12 | 11 | 8 | 4 | 3 | 2 | 1 |
1/4 | 5400 | 10800 | 48599 | 1 | ||||
1/3 | 7200 | 14400 | 43199 | 1 | ||||
1/2 | 12960 | 19440 | 32399 | 1 | ||||
3/5 | 12960 | 25920 | 25919 | 1 | ||||
2/3 | 4320 | 38880 | 21599 | 1 | ||||
2/4 | 5400 | 43200 | 16199 | 1 | ||||
4/5 | 6480 | 45360 | 12959 | 1 | ||||
5/6 | 5400 | 48600 | 10799 | 1 | ||||
8/9 | 7200 | 50400 | 7199 | 1 | ||||
9/10 | 6480 | 51840 | 6479 | 1 |
Code Rate | 10 | 3 | 2 |
1/2 | 191 | 217 | 400 |
2/3 | 221 | 583 | 400 |
4/5 | 343 | 1257 | 400 |
CodeRate | 10 | 3 | 2 |
1/2 | 0 | 400 | 400 |
2/3 | 0 | 800 | 400 |
4/5 | 343 | 1257 | 400 |
Code Rate | 10 | 3 | 2 |
1/2 | 84 | 316 | 400 |
2/3 | 168 | 632 | 400 |
4/5 | 343 | 1257 | 400 |
Claims (9)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57128004P | 2004-05-14 | 2004-05-14 | |
US60/571,280 | 2004-05-14 | ||
US10/874,611 | 2004-06-23 | ||
US10/874,611 US7165205B2 (en) | 2004-05-14 | 2004-06-23 | Method and apparatus for encoding and decoding data |
PCT/US2005/016410 WO2005114418A2 (en) | 2004-05-14 | 2005-05-11 | Code construction for irregular shortened ldpc codes with good performance |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210097670.0A Division CN102647193B (zh) | 2004-05-14 | 2005-05-11 | 具有良好性能的不规则缩短的ldpc码的码构造 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1934789A true CN1934789A (zh) | 2007-03-21 |
CN1934789B CN1934789B (zh) | 2012-06-06 |
Family
ID=35310751
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800083889A Active CN1934789B (zh) | 2004-05-14 | 2005-05-11 | 具有良好性能的不规则缩短的ldpc码的码构造方法 |
CN201210097670.0A Active CN102647193B (zh) | 2004-05-14 | 2005-05-11 | 具有良好性能的不规则缩短的ldpc码的码构造 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210097670.0A Active CN102647193B (zh) | 2004-05-14 | 2005-05-11 | 具有良好性能的不规则缩短的ldpc码的码构造 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7165205B2 (zh) |
EP (4) | EP1747613B1 (zh) |
JP (1) | JP4558037B2 (zh) |
KR (1) | KR100861893B1 (zh) |
CN (2) | CN1934789B (zh) |
CA (1) | CA2564395C (zh) |
ES (1) | ES2400950T3 (zh) |
IL (1) | IL177439A (zh) |
PL (1) | PL1747613T3 (zh) |
TW (1) | TWI348831B (zh) |
WO (1) | WO2005114418A2 (zh) |
Cited By (4)
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CN101874350A (zh) * | 2007-11-26 | 2010-10-27 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101874351A (zh) * | 2007-11-26 | 2010-10-27 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101911507A (zh) * | 2007-11-26 | 2010-12-08 | 索尼公司 | 数据处理设备和数据处理方法 |
TWI497920B (zh) * | 2007-11-26 | 2015-08-21 | Sony Corp | Data processing device and data processing method |
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US7577207B2 (en) * | 2002-07-03 | 2009-08-18 | Dtvg Licensing, Inc. | Bit labeling for amplitude phase shift constellation used with low density parity check (LDPC) codes |
US7020829B2 (en) * | 2002-07-03 | 2006-03-28 | Hughes Electronics Corporation | Method and system for decoding low density parity check (LDPC) codes |
AU2003249708A1 (en) * | 2002-07-03 | 2004-01-23 | Hughes Electronics Corporation | Method and system for memory management in low density parity check (ldpc) decoders |
US20040019845A1 (en) * | 2002-07-26 | 2004-01-29 | Hughes Electronics | Method and system for generating low density parity check codes |
US7864869B2 (en) | 2002-07-26 | 2011-01-04 | Dtvg Licensing, Inc. | Satellite communication system utilizing low density parity check codes |
GB2454193B (en) * | 2007-10-30 | 2012-07-18 | Sony Corp | Data processing apparatus and method |
JP4672015B2 (ja) * | 2004-07-27 | 2011-04-20 | エルジー エレクトロニクス インコーポレイティド | 低密度パリティ検査コードを用いた符号化及び復号化方法 |
WO2006016751A2 (en) * | 2004-08-09 | 2006-02-16 | Lg Electronics Inc. | Method of encoding and decoding using low density parity check matrix |
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CN101341659B (zh) * | 2004-08-13 | 2012-12-12 | Dtvg许可公司 | 用于多输入多输出通道的低密度奇偶校验码的码设计与实现的改进 |
US20060218459A1 (en) * | 2004-08-13 | 2006-09-28 | David Hedberg | Coding systems and methods |
BRPI0515948A (pt) * | 2004-10-01 | 2008-08-12 | Thomson Licensing | decodificador de verificação de paridade de baixa densidade (ldpc) |
US7584399B2 (en) * | 2004-12-31 | 2009-09-01 | Samsung Electronics Co., Ltd | Apparatus and method for transmitting and receiving a signal in a communication system |
US7668248B2 (en) * | 2005-10-19 | 2010-02-23 | Texas Instruments Incorporated | High-performance LDPC coding for digital communications in a multiple-input, multiple-output environment |
US7707479B2 (en) | 2005-12-13 | 2010-04-27 | Samsung Electronics Co., Ltd. | Method of generating structured irregular low density parity checkcodes for wireless systems |
KR20070063851A (ko) * | 2005-12-15 | 2007-06-20 | 삼성전자주식회사 | 패리티 검사 행렬, 패리티 검사 행렬 생성 방법, 인코딩방법 및 에러 정정 장치 |
JP4558638B2 (ja) * | 2005-12-15 | 2010-10-06 | 富士通株式会社 | 符号器および復号器 |
US7493548B2 (en) * | 2006-02-06 | 2009-02-17 | Motorola, Inc | Method and apparatus for encoding and decoding data |
CN101162907B (zh) * | 2006-10-10 | 2010-11-03 | 华为技术有限公司 | 一种利用低密度奇偶校验码实现编码的方法及装置 |
DK2056549T3 (da) * | 2007-10-30 | 2013-02-04 | Sony Corp | Databehandlingsanordning og -fremgangsmåde |
TWI410055B (zh) * | 2007-11-26 | 2013-09-21 | Sony Corp | Data processing device, data processing method and program product for performing data processing method on computer |
TW200937872A (en) * | 2007-11-26 | 2009-09-01 | Sony Corp | Data processing device and data processing method |
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TWI372523B (en) * | 2008-11-14 | 2012-09-11 | Realtek Semiconductor Corp | Recording controller and decoder for parity-check code |
KR101670511B1 (ko) * | 2010-05-07 | 2016-10-28 | 삼성전자주식회사 | 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 채널 부호/복호 방법 및 장치 |
CN102394659B (zh) * | 2011-08-04 | 2013-06-05 | 中国科学院上海微系统与信息技术研究所 | Ldpc码校验矩阵构造方法及对应矩阵乘法运算装置 |
US11822474B2 (en) | 2013-10-21 | 2023-11-21 | Flc Global, Ltd | Storage system and method for accessing same |
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-
2004
- 2004-06-23 US US10/874,611 patent/US7165205B2/en active Active
-
2005
- 2005-05-11 ES ES05747940T patent/ES2400950T3/es active Active
- 2005-05-11 EP EP05747940A patent/EP1747613B1/en active Active
- 2005-05-11 EP EP11163735A patent/EP2365640A1/en not_active Withdrawn
- 2005-05-11 EP EP11163743A patent/EP2405582A1/en not_active Withdrawn
- 2005-05-11 CN CN2005800083889A patent/CN1934789B/zh active Active
- 2005-05-11 CN CN201210097670.0A patent/CN102647193B/zh active Active
- 2005-05-11 CA CA002564395A patent/CA2564395C/en active Active
- 2005-05-11 EP EP11163739.3A patent/EP2405581B1/en active Active
- 2005-05-11 JP JP2007502126A patent/JP4558037B2/ja active Active
- 2005-05-11 PL PL05747940T patent/PL1747613T3/pl unknown
- 2005-05-11 KR KR1020067023750A patent/KR100861893B1/ko active IP Right Grant
- 2005-05-11 WO PCT/US2005/016410 patent/WO2005114418A2/en not_active Application Discontinuation
- 2005-05-13 TW TW094115484A patent/TWI348831B/zh active
-
2006
- 2006-08-10 IL IL177439A patent/IL177439A/en active IP Right Grant
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101874350A (zh) * | 2007-11-26 | 2010-10-27 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101874351A (zh) * | 2007-11-26 | 2010-10-27 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101911507A (zh) * | 2007-11-26 | 2010-12-08 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101911507B (zh) * | 2007-11-26 | 2013-10-16 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101874350B (zh) * | 2007-11-26 | 2014-12-10 | 索尼公司 | 数据处理设备和数据处理方法 |
CN101874351B (zh) * | 2007-11-26 | 2014-12-17 | 索尼公司 | 数据处理设备和数据处理方法 |
TWI497920B (zh) * | 2007-11-26 | 2015-08-21 | Sony Corp | Data processing device and data processing method |
Also Published As
Publication number | Publication date |
---|---|
TWI348831B (en) | 2011-09-11 |
EP2405582A1 (en) | 2012-01-11 |
PL1747613T3 (pl) | 2013-04-30 |
US7165205B2 (en) | 2007-01-16 |
WO2005114418A2 (en) | 2005-12-01 |
IL177439A (en) | 2014-04-30 |
IL177439A0 (en) | 2006-12-10 |
KR100861893B1 (ko) | 2008-10-09 |
TW200611497A (en) | 2006-04-01 |
JP4558037B2 (ja) | 2010-10-06 |
EP1747613B1 (en) | 2013-01-02 |
CN102647193B (zh) | 2014-12-17 |
CA2564395C (en) | 2009-07-07 |
ES2400950T3 (es) | 2013-04-15 |
EP1747613A2 (en) | 2007-01-31 |
CN1934789B (zh) | 2012-06-06 |
EP2405581A1 (en) | 2012-01-11 |
KR20070012825A (ko) | 2007-01-29 |
EP1747613A4 (en) | 2009-01-21 |
EP2405581B1 (en) | 2018-07-11 |
JP2007525931A (ja) | 2007-09-06 |
CA2564395A1 (en) | 2005-12-01 |
WO2005114418A3 (en) | 2006-05-18 |
EP2365640A1 (en) | 2011-09-14 |
CN102647193A (zh) | 2012-08-22 |
US20050257119A1 (en) | 2005-11-17 |
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