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
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
- H03M13/63—Joint error correction and other techniques
- H03M13/6325—Error control coding in combination with demodulation
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1866—Error detection or correction; Testing, e.g. of drop-outs by interleaving
-
- 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
- H03M13/27—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
-
- 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
- H03M13/29—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
- H03M13/296—Particular turbo code structure
- H03M13/2972—Serial concatenation using convolutional component 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
- H03M13/45—Soft decoding, i.e. using symbol reliability information
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/14—Code 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
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1434—8 to 9 modulation
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1446—16 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)
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)
| 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 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2000
- 2000-03-23 JP JP2000087127A patent/JP2001266499A/ja not_active Abandoned
-
2001
- 2001-03-21 EP EP01302599A patent/EP1143440A3/en not_active Withdrawn
- 2001-03-21 US US09/814,379 patent/US7196999B2/en not_active Expired - Fee Related
-
2004
- 2004-07-22 US US10/898,043 patent/US20040260999A1/en not_active Abandoned
Cited By (8)
| 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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