JP2001266499A - データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法 - Google Patents

データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法

Info

Publication number
JP2001266499A
JP2001266499A JP2000087127A JP2000087127A JP2001266499A JP 2001266499 A JP2001266499 A JP 2001266499A JP 2000087127 A JP2000087127 A JP 2000087127A JP 2000087127 A JP2000087127 A JP 2000087127A JP 2001266499 A JP2001266499 A JP 2001266499A
Authority
JP
Japan
Prior art keywords
data
modulation
decoding
recording
coding
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
JP2000087127A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001266499A5 (enExample
Inventor
Masayuki Hattori
雅之 服部
Atsushi Murayama
淳 村山
Toshiyuki Miyauchi
俊之 宮内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP2000087127A priority Critical patent/JP2001266499A/ja
Priority to US09/814,379 priority patent/US7196999B2/en
Priority to EP01302599A priority patent/EP1143440A3/en
Publication of JP2001266499A publication Critical patent/JP2001266499A/ja
Priority to US10/898,043 priority patent/US20040260999A1/en
Publication of JP2001266499A5 publication Critical patent/JP2001266499A5/ja
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/63Joint error correction and other techniques
    • H03M13/6325Error control coding in combination with demodulation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1866Error detection or correction; Testing, e.g. of drop-outs by interleaving
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/27Coding, 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/29Coding, 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
    • H03M13/2957Turbo codes and decoding
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/29Coding, 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
    • H03M13/2957Turbo codes and decoding
    • H03M13/296Particular turbo code structure
    • H03M13/2972Serial concatenation using convolutional component codes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/37Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/45Soft decoding, i.e. using symbol reliability information
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/63Joint error correction and other techniques
    • H03M13/6343Error control coding in combination with techniques for partial response channels, e.g. recording
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00Conversion of the form of the representation of individual digits
    • H03M5/02Conversion to or from representation by pulses
    • H03M5/04Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/14348 to 9 modulation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/144616 to 17 modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
JP2000087127A 2000-03-23 2000-03-23 データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法 Abandoned JP2001266499A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000087127A JP2001266499A (ja) 2000-03-23 2000-03-23 データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法
US09/814,379 US7196999B2 (en) 2000-03-23 2001-03-21 Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data
EP01302599A EP1143440A3 (en) 2000-03-23 2001-03-21 Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data
US10/898,043 US20040260999A1 (en) 2000-03-23 2004-07-22 Method and apparatus for reproducing data and method and apparatus for recording and/or reproducing data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000087127A JP2001266499A (ja) 2000-03-23 2000-03-23 データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法

Publications (2)

Publication Number Publication Date
JP2001266499A true JP2001266499A (ja) 2001-09-28
JP2001266499A5 JP2001266499A5 (enExample) 2007-06-14

Family

ID=18603187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000087127A Abandoned JP2001266499A (ja) 2000-03-23 2000-03-23 データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法

Country Status (3)

Country Link
US (2) US7196999B2 (enExample)
EP (1) EP1143440A3 (enExample)
JP (1) JP2001266499A (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002019538A1 (en) * 2000-08-31 2002-03-07 Sony Corporation Decoding device
WO2005022756A1 (ja) * 2003-08-28 2005-03-10 Sony Corporation 復号装置および方法、プログラム記録媒体、並びにプログラム
US6996764B2 (en) 2001-04-18 2006-02-07 Sharp Kabushiki Kaisha Coding method, recording medium, decoding method, and recording-medium reproducing apparatus
JP2007515035A (ja) * 2003-12-18 2007-06-07 インターナショナル・ビジネス・マシーンズ・コーポレーション データ・ストレージ・システム
US7234096B2 (en) 2001-04-18 2007-06-19 Sharp Kabushiki Kaisha Decoding method and recording-medium reproducing apparatus
JP2010505200A (ja) * 2006-09-28 2010-02-18 サンディスク コーポレイション ソフト入力ソフト出力(siso)復号器を有する不揮発性メモリにおける統計ユニットおよび適応操作
US8276038B2 (en) 2007-08-03 2012-09-25 International Business Machines Corporation Data storage systems

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JP4185314B2 (ja) * 2002-06-07 2008-11-26 富士通株式会社 情報記録再生装置、光ディスク装置及び、データ再生方法
KR100559730B1 (ko) * 2003-09-22 2006-03-15 삼성전자주식회사 기록 시스템을 위한 데이터 부호화/복호화 방법 및 장치
US7386780B2 (en) * 2005-02-03 2008-06-10 Agere Systems Inc. Method and apparatus for encoding and precoding digital data within modulation code constraints
US7848465B2 (en) * 2007-04-02 2010-12-07 Broadcom Corporation Joint decoding of ISI (inter-symbol interference) channel and modulation codes
US8352840B2 (en) * 2008-03-25 2013-01-08 Her Majesty The Queen in Right of Canada, As Represented by The Minister of Industry, Through The Commincations Research Centre Canada Event cleanup processing for improving the performance of sequence-based decoders
WO2011162735A1 (en) * 2010-06-25 2011-12-29 Thomson Licensing A priori training in a mobile dtv system

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JP2829963B2 (ja) * 1988-05-16 1998-12-02 ソニー株式会社 ディジタルデータ記録/再生装置
US5263051A (en) * 1991-07-05 1993-11-16 Codex Corporation Device and method of interleaving for a trellis precoding system
KR100200801B1 (ko) * 1991-08-31 1999-06-15 윤종용 오류정정장치
US5392299A (en) * 1992-01-15 1995-02-21 E-Systems, Inc. Triple orthogonally interleaed error correction system
US5241563A (en) * 1992-08-10 1993-08-31 General Instrument Corporation Method and apparatus for communicating interleaved data
US5438369A (en) * 1992-08-17 1995-08-01 Zenith Electronics Corporation Digital data interleaving system with improved error correctability for vertically correlated interference
MY116522A (en) * 1995-05-31 2004-02-28 Sony Corp Data recording/reproducing apparatus, method thereof, and data recording medium
US5635933A (en) * 1995-06-30 1997-06-03 Quantum Corporation Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel
US6356555B1 (en) * 1995-08-25 2002-03-12 Terayon Communications Systems, Inc. Apparatus and method for digital data transmission using orthogonal codes
KR100189906B1 (ko) 1996-04-17 1999-06-01 윤종용 비터비 복호화방법 및 그 회로
US6141384A (en) * 1997-02-14 2000-10-31 Philips Electronics North America Corporation Decoder for trellis encoded interleaved data stream and HDTV receiver including such a decoder
US6233598B1 (en) * 1998-09-11 2001-05-15 International Business Machines Corporation Interleaved finite impulse response (FIR) filter functions for servo and data detection in a direct access storage device (DASD)
EP0998087A1 (en) * 1998-10-30 2000-05-03 Lucent Technologies Inc. Multilevel transmission system and method with adaptive mapping
US6546518B1 (en) * 1999-05-19 2003-04-08 Texas Instruments Incorporated Detector error suppression circuit and method
US6366418B1 (en) * 1999-06-30 2002-04-02 Maxtor Corporation Method for reducing data overhead in PRML data channel
US6405342B1 (en) * 1999-09-10 2002-06-11 Western Digital Technologies, Inc. Disk drive employing a multiple-input sequence detector responsive to reliability metrics to improve a retry operation
JP2001266501A (ja) * 2000-03-23 2001-09-28 Sony Corp データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法
US6694477B1 (en) * 2000-09-28 2004-02-17 Western Digital Technologies, Inc. Communication channel employing an ECC decoder enhanced by likely error events of a trellis sequence detector

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002019538A1 (en) * 2000-08-31 2002-03-07 Sony Corporation Decoding device
US6996764B2 (en) 2001-04-18 2006-02-07 Sharp Kabushiki Kaisha Coding method, recording medium, decoding method, and recording-medium reproducing apparatus
US7234096B2 (en) 2001-04-18 2007-06-19 Sharp Kabushiki Kaisha Decoding method and recording-medium reproducing apparatus
WO2005022756A1 (ja) * 2003-08-28 2005-03-10 Sony Corporation 復号装置および方法、プログラム記録媒体、並びにプログラム
US7388525B2 (en) 2003-08-28 2008-06-17 Sony Corporation Decoding device and method, program recording medium, and program using modulation code encoded in accordance with a variable length table
JP2007515035A (ja) * 2003-12-18 2007-06-07 インターナショナル・ビジネス・マシーンズ・コーポレーション データ・ストレージ・システム
JP2010505200A (ja) * 2006-09-28 2010-02-18 サンディスク コーポレイション ソフト入力ソフト出力(siso)復号器を有する不揮発性メモリにおける統計ユニットおよび適応操作
US8276038B2 (en) 2007-08-03 2012-09-25 International Business Machines Corporation Data storage systems

Also Published As

Publication number Publication date
US7196999B2 (en) 2007-03-27
US20020057640A1 (en) 2002-05-16
US20040260999A1 (en) 2004-12-23
EP1143440A3 (en) 2005-01-05
EP1143440A2 (en) 2001-10-10

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