CN101989891B - 用于迭代解码中与相位相关的数据检测的系统和方法 - Google Patents
用于迭代解码中与相位相关的数据检测的系统和方法 Download PDFInfo
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- CN101989891B CN101989891B CN200910205182.5A CN200910205182A CN101989891B CN 101989891 B CN101989891 B CN 101989891B CN 200910205182 A CN200910205182 A CN 200910205182A CN 101989891 B CN101989891 B CN 101989891B
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- 238000001514 detection method Methods 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title claims abstract description 76
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Classifications
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- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
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- H—ELECTRICITY
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- 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
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- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
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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
- H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
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- 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
- H03M13/27—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 using interleaving techniques
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- H03M13/27—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 using interleaving techniques
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- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
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- H03M13/4146—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions soft-output Viterbi decoding according to Battail and Hagenauer in which the soft-output is determined using path metric differences along the maximum-likelihood path, i.e. "SOVA" decoding
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- H03M13/45—Soft decoding, i.e. using symbol reliability information
- H03M13/458—Soft decoding, i.e. using symbol reliability information by updating bit probabilities or hard decisions in an iterative fashion for convergence to a final decoding result
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- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/10675—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control
- G11B2020/10722—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control wherein the size of the buffer is variable, e.g. by adding additional memory cells for coping with input streams that have high bit rates
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- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1287—Synchronisation pattern, e.g. VCO fields
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- G11B2020/1289—Formatting of user data
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- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
- G11B2020/185—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using an low density parity check [LDPC] code
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- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/512,235 | 2009-07-30 | ||
US12/512,235 US8250431B2 (en) | 2009-07-30 | 2009-07-30 | Systems and methods for phase dependent data detection in iterative decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101989891A CN101989891A (zh) | 2011-03-23 |
CN101989891B true CN101989891B (zh) | 2014-11-19 |
Family
ID=42313597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910205182.5A Active CN101989891B (zh) | 2009-07-30 | 2009-10-16 | 用于迭代解码中与相位相关的数据检测的系统和方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8250431B2 (zh) |
EP (1) | EP2293300A1 (zh) |
JP (1) | JP5489728B2 (zh) |
KR (1) | KR20110013123A (zh) |
CN (1) | CN101989891B (zh) |
TW (1) | TWI470624B (zh) |
Families Citing this family (4)
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US8381074B1 (en) * | 2010-05-21 | 2013-02-19 | Lsi Corporation | Systems and methods for utilizing a centralized queue based data processing circuit |
US8566666B2 (en) * | 2011-07-11 | 2013-10-22 | Lsi Corporation | Min-sum based non-binary LDPC decoder |
US9219504B2 (en) * | 2012-10-29 | 2015-12-22 | Avago Technologies General Ip (Singapore) Pte. Ltd. | LEH memory module architecture design in the multi-level LDPC coded iterative system |
US10868571B2 (en) * | 2019-03-15 | 2020-12-15 | Sequans Communications S.A. | Adaptive-SCL polar decoder |
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2009
- 2009-07-30 US US12/512,235 patent/US8250431B2/en not_active Expired - Fee Related
- 2009-09-22 TW TW98131946A patent/TWI470624B/zh not_active IP Right Cessation
- 2009-09-23 KR KR1020090089953A patent/KR20110013123A/ko active IP Right Grant
- 2009-10-16 CN CN200910205182.5A patent/CN101989891B/zh active Active
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2010
- 2010-01-07 JP JP2010001623A patent/JP5489728B2/ja not_active Expired - Fee Related
- 2010-03-26 EP EP10158073A patent/EP2293300A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1678973A (zh) * | 2002-07-03 | 2005-10-05 | 科马塞克有限公司 | 用于执行数字调制和解调的灵活方法及装置 |
EP1595247A1 (en) * | 2003-02-11 | 2005-11-16 | Koninklijke Philips Electronics N.V. | Audio coding |
CN1802793A (zh) * | 2003-06-10 | 2006-07-12 | 北方电讯网络有限公司 | 高速数模转换器 |
CN101013892A (zh) * | 2005-12-20 | 2007-08-08 | 国际商业机器公司 | 锁相环 |
CN101141128A (zh) * | 2006-05-30 | 2008-03-12 | 奇梦达股份公司 | 信号处理电路 |
Also Published As
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JP2011034659A (ja) | 2011-02-17 |
TW201104676A (en) | 2011-02-01 |
TWI470624B (zh) | 2015-01-21 |
CN101989891A (zh) | 2011-03-23 |
KR20110013123A (ko) | 2011-02-09 |
US20110029837A1 (en) | 2011-02-03 |
EP2293300A1 (en) | 2011-03-09 |
JP5489728B2 (ja) | 2014-05-14 |
US8250431B2 (en) | 2012-08-21 |
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