TW200711323A - Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus - Google Patents

Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus

Info

Publication number
TW200711323A
TW200711323A TW095131727A TW95131727A TW200711323A TW 200711323 A TW200711323 A TW 200711323A TW 095131727 A TW095131727 A TW 095131727A TW 95131727 A TW95131727 A TW 95131727A TW 200711323 A TW200711323 A TW 200711323A
Authority
TW
Taiwan
Prior art keywords
soft
error correction
defect signal
codeword
decoding
Prior art date
Application number
TW095131727A
Other languages
English (en)
Inventor
Sung-Hee Hwang
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200711323A publication Critical patent/TW200711323A/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
TW095131727A 2005-08-31 2006-08-29 Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus TW200711323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050080964A KR20070025145A (ko) 2005-08-31 2005-08-31 소프트 복호화 방법 및 장치, 에러 정정 방법 및 장치,소프트 출력 방법 및 장치

Publications (1)

Publication Number Publication Date
TW200711323A true TW200711323A (en) 2007-03-16

Family

ID=37809093

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095131727A TW200711323A (en) 2005-08-31 2006-08-29 Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus

Country Status (6)

Country Link
US (1) US20070061687A1 (zh)
JP (1) JP2009506474A (zh)
KR (1) KR20070025145A (zh)
CN (1) CN101218644A (zh)
TW (1) TW200711323A (zh)
WO (1) WO2007027054A1 (zh)

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JP2010541120A (ja) * 2007-10-01 2010-12-24 アギア システムズ インコーポレーテッド 媒体欠陥検出のためのシステム及び方法
US8095855B2 (en) * 2008-03-17 2012-01-10 Agere Systems Inc. Systems and methods for regenerating data from a defective medium
US8161357B2 (en) * 2008-03-17 2012-04-17 Agere Systems Inc. Systems and methods for using intrinsic data for regenerating data from a defective medium
US8121224B2 (en) * 2008-04-29 2012-02-21 Agere Systems Inc. Systems and methods for filter based media defect detection
US7849385B2 (en) * 2008-04-29 2010-12-07 Agere Systems Inc. Systems and methods for media defect detection utilizing correlated DFIR and LLR data
US8149527B2 (en) * 2008-04-29 2012-04-03 Agere Systems Inc. Systems and methods for reducing attenuation of information derived from a defective medium
KR101497545B1 (ko) * 2008-09-12 2015-03-03 삼성전자주식회사 프리 페이지 검출 방법 및 장치와 이를 이용한 에러 정정 코드 디코딩 방법 및 장치
US8139457B2 (en) * 2008-09-23 2012-03-20 Agere Systems Inc. Systems and methods for low latency media defect detection
US8949701B2 (en) 2008-09-23 2015-02-03 Agere Systems Inc. Systems and methods for low latency media defect detection
US8560917B2 (en) 2009-01-27 2013-10-15 International Business Machines Corporation Systems and methods for efficient low density parity check (LDPC) decoding
US8411537B2 (en) * 2009-03-06 2013-04-02 Agere Systems Inc. Systems and methods for recovering information from a defective medium
US8219892B2 (en) * 2009-03-06 2012-07-10 Agere Systems Inc. Systems and methods for enhanced media defect detection
US7952824B2 (en) * 2009-03-06 2011-05-31 Agere Systems Inc. Systems and methods for defective media region identification
CN101847447A (zh) * 2009-03-27 2010-09-29 联发科技股份有限公司 存储控制器、存储控制方法及数据存取系统
US8745439B2 (en) * 2009-04-17 2014-06-03 Lsi Corporation Systems and methods for multilevel media defect detection
US8347155B2 (en) * 2009-04-17 2013-01-01 Lsi Corporation Systems and methods for predicting failure of a storage medium
US8176400B2 (en) 2009-09-09 2012-05-08 Lsi Corporation Systems and methods for enhanced flaw scan in a data processing device
US8345369B2 (en) * 2010-02-24 2013-01-01 Lsi Corporation Systems and methods for data recovery using enhanced sync mark location
US20110205653A1 (en) * 2010-02-24 2011-08-25 Lsi Corporation Systems and Methods for Data Recovery
US8089713B2 (en) * 2010-03-25 2012-01-03 Lsi Corporation Detection of hard-disc defect regions using soft decisions
US8826108B1 (en) * 2010-11-03 2014-09-02 Marvell International Ltd. Pre-scaling soft-decoder inputs
US8612843B2 (en) 2011-08-19 2013-12-17 Lsi Corporation Systems and methods for qualitative media defect determination
US8788921B2 (en) 2011-10-27 2014-07-22 Lsi Corporation Detector with soft pruning
US9294132B1 (en) * 2011-11-21 2016-03-22 Proton Digital Systems, Inc. Dual-stage data decoding for non-volatile memories
US9129653B2 (en) 2012-04-20 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for calibration coasting in a data processing system
US8819521B2 (en) 2012-04-30 2014-08-26 Lsi Corporation Systems and methods for short media defect detection using non-binary coded information
US8675297B2 (en) 2012-06-15 2014-03-18 Lsi Corporation Media defect classification
US9076492B2 (en) 2012-07-12 2015-07-07 Lsi Corporation Systems and methods for rapid erasure retry decoding
US8826110B2 (en) 2012-07-17 2014-09-02 Lsi Corporation Systems and methods for defect scanning
US9110821B2 (en) * 2012-07-25 2015-08-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for improved short media defect detection
US8732562B2 (en) 2012-07-25 2014-05-20 Lsi Corporation Systems and methods for improved short media defect detection
US8972800B2 (en) 2012-07-30 2015-03-03 Lsi Corporation Systems and methods for enhanced media defect detection
US9245586B2 (en) 2012-10-18 2016-01-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for short media defect detection using multi-iteration soft data feedback
US8996970B2 (en) 2012-10-24 2015-03-31 Lsi Corporation Systems and methods for positive feedback short media defect detection
US9244752B2 (en) 2013-05-02 2016-01-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for detecting media flaws
US8917468B1 (en) 2013-06-06 2014-12-23 Lsi Corporation Systems and methods for media defect detection with pattern qualification
US10877840B2 (en) * 2018-08-02 2020-12-29 SK Hynix Inc. Dynamic neighbor and bitline assisted correction for NAND flash storage
CN114640862A (zh) * 2020-12-16 2022-06-17 西安诺瓦星云科技股份有限公司 视频处理方法、装置、计算机可读存储介质和处理器
US11979163B2 (en) * 2022-10-03 2024-05-07 Western Digital Technologies, Inc. Oversampled phase lock loop in a read channel

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WO2001084720A1 (en) * 2000-05-03 2001-11-08 University Of Southern California Reduced-latency soft-in/soft-out module
US6697441B1 (en) * 2000-06-06 2004-02-24 Ericsson Inc. Baseband processors and methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits
US6901119B2 (en) * 2001-02-22 2005-05-31 International Business Machines Corporation Method and apparatus for implementing soft-input/soft-output iterative detectors/decoders
KR20040046649A (ko) * 2002-11-28 2004-06-05 삼성전자주식회사 에러 정정을 위한 부호화 장치 및 방법과 복호화 장치 및방법
US7237181B2 (en) * 2003-12-22 2007-06-26 Qualcomm Incorporated Methods and apparatus for reducing error floors in message passing decoders
US7398454B2 (en) * 2004-12-21 2008-07-08 Tyco Telecommunications (Us) Inc. System and method for forward error correction decoding using soft information

Also Published As

Publication number Publication date
US20070061687A1 (en) 2007-03-15
KR20070025145A (ko) 2007-03-08
WO2007027054A1 (en) 2007-03-08
CN101218644A (zh) 2008-07-09
JP2009506474A (ja) 2009-02-12

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