CN112187285B - 基于dvb-s2译码器的桶形移位器处理方法及桶形移位器 - Google Patents
基于dvb-s2译码器的桶形移位器处理方法及桶形移位器 Download PDFInfo
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- CN112187285B CN112187285B CN202010985666.2A CN202010985666A CN112187285B CN 112187285 B CN112187285 B CN 112187285B CN 202010985666 A CN202010985666 A CN 202010985666A CN 112187285 B CN112187285 B CN 112187285B
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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
- H03M13/1165—QC-LDPC codes as defined for the digital video broadcasting [DVB] specifications, e.g. DVB-Satellite [DVB-S2]
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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
- H03M13/1105—Decoding
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CN113162715B (zh) * | 2021-03-17 | 2022-12-27 | 南京中科晶上通信技术有限公司 | 基于dvb-s2标准的时间同步方法、装置、终端及介质 |
Citations (7)
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CN101777921A (zh) * | 2010-01-28 | 2010-07-14 | 中国人民解放军国防科学技术大学 | 用于显式存储片上系统的结构化ldpc码译码方法及装置 |
CN102006084A (zh) * | 2010-09-26 | 2011-04-06 | 东南大学 | 一种适用于ofdm-uwb系统的crc编码方法 |
CN105680879A (zh) * | 2016-01-07 | 2016-06-15 | 西安电子科技大学 | 兼容dvb-s2x标准的ldpc译码器设计方法 |
US9461671B1 (en) * | 2011-10-10 | 2016-10-04 | Marvell International Ltd. | Method and apparatus for power conservation in LDPC decoding |
CN109558232A (zh) * | 2018-11-28 | 2019-04-02 | 星环信息科技(上海)有限公司 | 并行度的确定方法、装置、设备及介质 |
CN110868225A (zh) * | 2019-11-29 | 2020-03-06 | 中科院计算技术研究所南京移动通信与计算创新研究院 | Ldpc码译码器 |
CN110971242A (zh) * | 2019-11-29 | 2020-04-07 | 中科院计算技术研究所南京移动通信与计算创新研究院 | 通用化的ldpc译码桶形移位器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US7409628B2 (en) * | 2002-08-15 | 2008-08-05 | Broadcom Corporation | Efficient design to implement LDPC (Low Density Parity Check) decoder |
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- 2020-09-18 CN CN202010985666.2A patent/CN112187285B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101777921A (zh) * | 2010-01-28 | 2010-07-14 | 中国人民解放军国防科学技术大学 | 用于显式存储片上系统的结构化ldpc码译码方法及装置 |
CN102006084A (zh) * | 2010-09-26 | 2011-04-06 | 东南大学 | 一种适用于ofdm-uwb系统的crc编码方法 |
US9461671B1 (en) * | 2011-10-10 | 2016-10-04 | Marvell International Ltd. | Method and apparatus for power conservation in LDPC decoding |
CN105680879A (zh) * | 2016-01-07 | 2016-06-15 | 西安电子科技大学 | 兼容dvb-s2x标准的ldpc译码器设计方法 |
CN109558232A (zh) * | 2018-11-28 | 2019-04-02 | 星环信息科技(上海)有限公司 | 并行度的确定方法、装置、设备及介质 |
CN110868225A (zh) * | 2019-11-29 | 2020-03-06 | 中科院计算技术研究所南京移动通信与计算创新研究院 | Ldpc码译码器 |
CN110971242A (zh) * | 2019-11-29 | 2020-04-07 | 中科院计算技术研究所南京移动通信与计算创新研究院 | 通用化的ldpc译码桶形移位器 |
Non-Patent Citations (1)
Title |
---|
高速码率兼容DVB - S2 的LDPC 译码器的 FPGA 实现;谢天娇;西北工业大学学报;全文 * |
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