TW201412028A - 用於符元重組解碼處理的系統及方法 - Google Patents

用於符元重組解碼處理的系統及方法 Download PDF

Info

Publication number
TW201412028A
TW201412028A TW102113630A TW102113630A TW201412028A TW 201412028 A TW201412028 A TW 201412028A TW 102113630 A TW102113630 A TW 102113630A TW 102113630 A TW102113630 A TW 102113630A TW 201412028 A TW201412028 A TW 201412028A
Authority
TW
Taiwan
Prior art keywords
data
output
circuit
decoded
algorithm
Prior art date
Application number
TW102113630A
Other languages
English (en)
Chinese (zh)
Inventor
Fan Zhang
Madhusudan Kalluri
Wu Chang
Shaohua Yang
Ming Jin
Original Assignee
Lsi Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lsi Corp filed Critical Lsi Corp
Publication of TW201412028A publication Critical patent/TW201412028A/zh

Links

Classifications

    • 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
    • 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
    • H03M13/1128—Judging correct decoding and iterative stopping criteria other than syndrome check and upper limit for decoding iterations
    • 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
    • H03M13/1171—Parity-check or generator matrices with non-binary elements, e.g. for non-binary LDPC 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3707—Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6331—Error control coding in combination with equalisation
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6343—Error control coding in combination with techniques for partial response channels, e.g. recording

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Error Detection And Correction (AREA)
TW102113630A 2012-05-17 2013-04-17 用於符元重組解碼處理的系統及方法 TW201412028A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/474,668 US8736998B2 (en) 2012-05-17 2012-05-17 Systems and methods for symbol re-grouping decoding processing

Publications (1)

Publication Number Publication Date
TW201412028A true TW201412028A (zh) 2014-03-16

Family

ID=48128150

Family Applications (1)

Application Number Title Priority Date Filing Date
TW102113630A TW201412028A (zh) 2012-05-17 2013-04-17 用於符元重組解碼處理的系統及方法

Country Status (6)

Country Link
US (1) US8736998B2 (enExample)
EP (1) EP2665190B1 (enExample)
JP (1) JP5680696B2 (enExample)
KR (1) KR101547858B1 (enExample)
CN (1) CN103427849B (enExample)
TW (1) TW201412028A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI631829B (zh) * 2016-03-31 2018-08-01 慧榮科技股份有限公司 用於進行重組解碼的低密度奇偶校驗解碼裝置及相關方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10756846B2 (en) * 2017-03-16 2020-08-25 Qualcomm Incorporated Distributed feedback architecture for polar decoding
JP7234098B2 (ja) * 2019-11-12 2023-03-07 株式会社東芝 磁気ディスク装置及びリオーダリング処理の方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3328093B2 (ja) 1994-07-12 2002-09-24 三菱電機株式会社 エラー訂正装置
US5701314A (en) 1995-12-21 1997-12-23 Cirrus Logic, Inc. On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive
GB2350531B (en) 1999-05-26 2001-07-11 3Com Corp High speed parallel bit error rate tester
WO2001039188A2 (en) 1999-11-22 2001-05-31 Seagate Technology Llc Method and apparatus for data error recovery using defect threshold detector and viterbi gain
US7136244B1 (en) 2002-02-22 2006-11-14 Western Digital Technologies, Inc. Disk drive employing data averaging techniques during retry operations to facilitate data recovery
KR100698613B1 (ko) * 2004-05-13 2007-03-22 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송수신기 및 그의신호처리방법
JP2006115145A (ja) * 2004-10-14 2006-04-27 Nec Electronics Corp 復号装置及び復号方法
US7730384B2 (en) 2005-02-28 2010-06-01 Agere Systems Inc. Method and apparatus for evaluating performance of a read channel
JP2007087529A (ja) * 2005-09-22 2007-04-05 Rohm Co Ltd 信号復号装置、信号復号方法、および記憶システム
US7925965B2 (en) * 2006-02-02 2011-04-12 Samsung Electronics Co., Ltd Method for transmitting/receiving signals in a communications system and an apparatus therefor
US7738201B2 (en) 2006-08-18 2010-06-15 Seagate Technology Llc Read error recovery using soft information
US7702989B2 (en) 2006-09-27 2010-04-20 Agere Systems Inc. Systems and methods for generating erasure flags
US7971125B2 (en) 2007-01-08 2011-06-28 Agere Systems Inc. Systems and methods for prioritizing error correction data
WO2008087042A1 (en) 2007-01-19 2008-07-24 Friedrich-Alexander-Universität Erlangen-Nürnberg Multiple-bases belief-propagation and permutation decoding for block codes
KR101418467B1 (ko) * 2008-08-15 2014-07-10 엘에스아이 코포레이션 니어 코드워드들의 ｒａｍ 리스트-디코딩
JP2012509549A (ja) 2008-11-20 2012-04-19 エルエスアイ コーポレーション 雑音低減型データ検出のシステムおよび方法
US8347155B2 (en) 2009-04-17 2013-01-01 Lsi Corporation Systems and methods for predicting failure of a storage medium
US7990642B2 (en) 2009-04-17 2011-08-02 Lsi Corporation Systems and methods for storage channel testing
US8176404B2 (en) 2009-09-09 2012-05-08 Lsi Corporation Systems and methods for stepped data retry in a storage system
US8688873B2 (en) 2009-12-31 2014-04-01 Lsi Corporation Systems and methods for monitoring out of order data decoding
US8732564B2 (en) 2010-01-27 2014-05-20 Telefonaktiebolaget L M Ericsson (Publ) Error floor reduction in iteratively decoded FEC codes
US8527831B2 (en) * 2010-04-26 2013-09-03 Lsi Corporation Systems and methods for low density parity check data decoding
US8810940B2 (en) 2011-02-07 2014-08-19 Lsi Corporation Systems and methods for off track error recovery
US8693120B2 (en) 2011-03-17 2014-04-08 Lsi Corporation Systems and methods for sample averaging in data processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI631829B (zh) * 2016-03-31 2018-08-01 慧榮科技股份有限公司 用於進行重組解碼的低密度奇偶校驗解碼裝置及相關方法

Also Published As

Publication number Publication date
CN103427849B (zh) 2018-01-09
US8736998B2 (en) 2014-05-27
US20130308221A1 (en) 2013-11-21
CN103427849A (zh) 2013-12-04
EP2665190A1 (en) 2013-11-20
EP2665190B1 (en) 2016-07-06
JP5680696B2 (ja) 2015-03-04
JP2013243653A (ja) 2013-12-05
KR20130129094A (ko) 2013-11-27
KR101547858B1 (ko) 2015-08-27

Similar Documents

Publication Publication Date Title
US9230596B2 (en) Systems and methods for variable rate coding in a data processing system
US20130254623A1 (en) Systems and Methods for Variable Redundancy Data Protection
US8949696B2 (en) Systems and methods for trapping set disruption
US8848305B2 (en) Systems and methods for hard decision based ITI cancellation
US8775897B2 (en) Data processing system with failure recovery
KR101385380B1 (ko) 듀얼 이진 및 비이진 디코딩 프로세싱을 위한 시스템 및 방법
TW201407464A (zh) 以亂序傳送之資料處理系統
US9196299B2 (en) Systems and methods for enhanced data encoding and decoding
TW201412028A (zh) 用於符元重組解碼處理的系統及方法
US8949702B2 (en) Systems and methods for detector side trapping set mitigation
US20140082450A1 (en) Systems and Methods for Efficient Transfer in Iterative Processing
US8959414B2 (en) Systems and methods for hybrid layer data decoding
US9281843B2 (en) Systems and methods for reduced constraint code data processing
US9817716B2 (en) Systems and methods for retaining non-converged data sets for additional processing
US20160226526A1 (en) Systems and Methods for Soft Data Based Cross Codeword Error Correction
US9112539B2 (en) Systems and methods for iterative data processing using feedback iteration
US8689076B2 (en) Systems and methods for enhanced bit correlation usage
US9324372B2 (en) Systems and methods for local iteration randomization in a data decoder
US20130219233A1 (en) Systems and Methods for Quality Based Priority Data Processing
US9324371B2 (en) Systems and methods for multi-stage decoding processing
TW201346579A (zh) 用於失序資料回報之系統及方法