SG45490A1 - A rate 16/17 (d=0 g=6 i=7) modulation code for a magnetic recording channel - Google Patents

A rate 16/17 (d=0 g=6 i=7) modulation code for a magnetic recording channel

Info

Publication number
SG45490A1
SG45490A1 SG1996010174A SG1996010174A SG45490A1 SG 45490 A1 SG45490 A1 SG 45490A1 SG 1996010174 A SG1996010174 A SG 1996010174A SG 1996010174 A SG1996010174 A SG 1996010174A SG 45490 A1 SG45490 A1 SG 45490A1
Authority
SG
Singapore
Prior art keywords
rate
magnetic recording
modulation code
recording channel
channel
Prior art date
Application number
SG1996010174A
Other languages
English (en)
Inventor
James Fitzpatrick
Kelly K Fitzpatrick
Original Assignee
Quantum 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 Quantum Corp filed Critical Quantum Corp
Publication of SG45490A1 publication Critical patent/SG45490A1/en

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
    • 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
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded 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
    • 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
    • H03M13/31—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 coding for error detection or correction and efficient use of the spectrum
    • 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
    • H03M5/145—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
    • G11B20/14—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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
SG1996010174A 1995-06-30 1996-06-28 A rate 16/17 (d=0 g=6 i=7) modulation code for a magnetic recording channel SG45490A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/497,182 US5635933A (en) 1995-06-30 1995-06-30 Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel

Publications (1)

Publication Number Publication Date
SG45490A1 true SG45490A1 (en) 1998-01-16

Family

ID=23975796

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996010174A SG45490A1 (en) 1995-06-30 1996-06-28 A rate 16/17 (d=0 g=6 i=7) modulation code for a magnetic recording channel

Country Status (6)

Country Link
US (1) US5635933A (de)
EP (1) EP0751522A3 (de)
JP (1) JPH0927171A (de)
KR (1) KR970002869A (de)
DE (1) DE751522T1 (de)
SG (1) SG45490A1 (de)

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KR0135793B1 (ko) * 1994-11-29 1998-05-15 김광호 (4,20)런렝쓰 리미티드 코드 생성방법 및 장치
US5757822A (en) * 1995-08-24 1998-05-26 Quantum Corporation Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ECC
US5790571A (en) * 1995-12-11 1998-08-04 Seagate Technology, Inc. Coding data in a disc drive according to a code having desired algebraic characteristics
US5717395A (en) * 1996-07-29 1998-02-10 Cirrus Logic, Inc. Rate 16/17 ENDEC with independent high/low byte decoding
KR100408532B1 (ko) * 1996-10-31 2004-01-24 삼성전자주식회사 데이타저장기기의prml코드생성방법
US5757294A (en) * 1996-12-31 1998-05-26 Quantum Corporation Rate 24/25 modulation code for PRML recording channels
US5784010A (en) * 1997-02-03 1998-07-21 International Business Machines Corporation Method and apparatus for implementing a set rate code for data channels with alternate 9-bit code words and 8-bit code words
KR100506070B1 (ko) * 1997-10-07 2005-09-30 삼성전자주식회사 고밀도데이터의기록/재생을위한부호화/복호화방법
JP3155499B2 (ja) * 1997-11-26 2001-04-09 インターナショナル・ビジネス・マシーンズ・コーポレ−ション 光ディスクのビット変換の方法、復調方法および装置
US6018304A (en) * 1997-12-18 2000-01-25 Texas Instruments Incorporated Method and apparatus for high-rate n/n+1 low-complexity modulation codes with adjustable codeword length and error control capability
US6097320A (en) * 1998-01-20 2000-08-01 Silicon Systems, Inc. Encoder/decoder system with suppressed error propagation
JP4058153B2 (ja) * 1998-02-25 2008-03-05 株式会社日立グローバルストレージテクノロジーズ 符号化方法およびそれを用いた記録再生装置
US6184806B1 (en) 1998-03-13 2001-02-06 Quantum Corporation Rate 32/33 (D=0, K=6) run length limited modulation code having optimized error propagation
US6317856B1 (en) * 1998-03-19 2001-11-13 Seagate Technology Llc Encoder and a method of encoding for partial response channels
US6046691A (en) * 1998-04-13 2000-04-04 Lucent Technologies Inc. Rate 16/17 (0,5) modulation code apparatus and method for partial response magnetic recording channels
US6081210A (en) * 1998-05-13 2000-06-27 Texas Instruments Incorporated Sliding block (rate 8/9) trellis code for magnetic recording
CN1306665A (zh) * 1998-06-24 2001-08-01 西加特技术有限责任公司 有效运行带有短交叉存取约束的长度限制代码
EP0977411B1 (de) * 1998-07-07 2005-04-27 Agilent Technologies, Inc. (a Delaware corporation) Blockkode mit begrenzter Disparität
US6158027A (en) * 1998-08-31 2000-12-05 International Business Machines Corporation Enhanced noise-predictive maximum likelihood (NPML) data detection method and apparatus for direct access storage device (DASD)
US6204781B1 (en) * 1999-03-18 2001-03-20 Lucent Technologies Inc. General rate N/(N+1) (0, G) code construction for data coding
US6201485B1 (en) * 1999-07-09 2001-03-13 Quantum Corp. High rate runlength limited codes for 8-bit ECC symbols
US6259384B1 (en) 1999-07-09 2001-07-10 Quantum Corporation High rate runlength limited codes for 10-bit ECC symbols
US6460150B1 (en) * 2000-03-02 2002-10-01 International Business Machines Corporation Noise-predictive post-processing for PRML data channel
US6505320B1 (en) 2000-03-09 2003-01-07 Cirrus Logic, Incorporated Multiple-rate channel ENDEC in a commuted read/write channel for disk storage systems
JP2001266499A (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
US6456208B1 (en) * 2000-06-30 2002-09-24 Marvell International, Ltd. Technique to construct 32/33 and other RLL codes
FR2817683B1 (fr) * 2000-12-05 2003-01-31 Bull Sa Procede de codage/decodage de donnees numeriques transmises sur une liaison serie, notamment du type dit "8b/10b", et dispositif de mise en oeuvre
US6661356B1 (en) 2001-03-05 2003-12-09 Marvell International, Ltd. Method and apparatus for DC-level constrained coding
MXPA04004788A (es) * 2001-11-21 2004-08-11 Interdigital Tech Corp Metodo empleado por una estacion base para la transferencia de datos.
US7069464B2 (en) * 2001-11-21 2006-06-27 Interdigital Technology Corporation Hybrid parallel/serial bus interface
US6985320B2 (en) * 2002-01-02 2006-01-10 International Business Machines Corporation Method and apparatus for encoding data to guarantee isolated transitions in a magnetic recording system
US7116736B2 (en) 2002-01-02 2006-10-03 International Business Machines Corporation Method, system, and program for synchronization and resynchronization of a data stream
US6959412B2 (en) * 2002-03-04 2005-10-25 Seagate Technology Llc Error correction coding utilizing numerical base conversion for modulation coding
US7212483B2 (en) * 2002-09-25 2007-05-01 Victor Company Of Japan, Limited Modulation device, modulation method and recording medium
US6788223B2 (en) * 2002-09-25 2004-09-07 Infineon Technolgies Na Corp. High rate coding for media noise
US20050002728A1 (en) * 2003-07-01 2005-01-06 Isaac Weiser Plastic connector for connecting parts and method therefor
JP4536412B2 (ja) * 2004-04-12 2010-09-01 富士通株式会社 記録再生装置および信号処理回路
US8139628B1 (en) 2005-01-10 2012-03-20 Marvell International Ltd. Method and device to compensate for baseline wander
JP2006286084A (ja) 2005-03-31 2006-10-19 Fujitsu Ltd 符号器、復号器および符号化方法
US7486208B2 (en) * 2007-05-16 2009-02-03 International Business Machines Corporation High-rate RLL encoding
DE102011078642A1 (de) * 2011-07-05 2013-01-10 Robert Bosch Gmbh Verfahren zum Prüfen eines m aus n Codes
DE102011078645A1 (de) * 2011-07-05 2013-01-10 Robert Bosch Gmbh Verfahren zum sicheren Prüfen eines Codes
WO2015116084A1 (en) * 2014-01-30 2015-08-06 Hewlett-Packard Development Company, L.P. Data storing in memory arrays

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US4486739A (en) * 1982-06-30 1984-12-04 International Business Machines Corporation Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code
US4707681A (en) * 1986-04-24 1987-11-17 International Business Machines Corporation Method and apparatus for implementing optimum PRML codes
US5390041A (en) * 1991-11-06 1995-02-14 Cray Research, Inc. Fiber optic channel extender interface method and apparatus
US5387911A (en) * 1992-02-21 1995-02-07 Gleichert; Marc C. Method and apparatus for transmitting and receiving both 8B/10B code and 10B/12B code in a switchable 8B/10B transmitter and receiver
US5260703A (en) * 1992-08-27 1993-11-09 Quantum Corporation Data encoding and decoding within PRML class IV sampling data detection channel of disk drive
US5537112A (en) * 1994-01-12 1996-07-16 Seagate Technology, Inc. Method and apparatus for implementing run length limited codes in partial response channels

Also Published As

Publication number Publication date
JPH0927171A (ja) 1997-01-28
DE751522T1 (de) 1997-05-15
US5635933A (en) 1997-06-03
KR970002869A (ko) 1997-01-28
EP0751522A2 (de) 1997-01-02
EP0751522A3 (de) 1999-04-07

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