SG42404A1 - Maximum -likelihood symbol detection for RLL-coded data - Google Patents

Maximum -likelihood symbol detection for RLL-coded data

Info

Publication number
SG42404A1
SG42404A1 SG1996009788A SG1996009788A SG42404A1 SG 42404 A1 SG42404 A1 SG 42404A1 SG 1996009788 A SG1996009788 A SG 1996009788A SG 1996009788 A SG1996009788 A SG 1996009788A SG 42404 A1 SG42404 A1 SG 42404A1
Authority
SG
Singapore
Prior art keywords
vector
vectors
current state
state
rll
Prior art date
Application number
SG1996009788A
Other languages
English (en)
Inventor
Martin Aureliano Hassner
Tetsuya Tamura
Shmuel Winograde
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG42404A1 publication Critical patent/SG42404A1/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
    • 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
    • G11B20/10009—Improvement or modification of read or write signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Dc Digital Transmission (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Optical Recording Or Reproduction (AREA)
SG1996009788A 1995-06-13 1996-05-13 Maximum -likelihood symbol detection for RLL-coded data SG42404A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/489,863 US5638065A (en) 1995-06-13 1995-06-13 Maximum-likelihood symbol detection for RLL-coded data

Publications (1)

Publication Number Publication Date
SG42404A1 true SG42404A1 (en) 1997-08-15

Family

ID=23945578

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996009788A SG42404A1 (en) 1995-06-13 1996-05-13 Maximum -likelihood symbol detection for RLL-coded data

Country Status (9)

Country Link
US (1) US5638065A (ko)
EP (1) EP0749123B1 (ko)
JP (1) JP3329185B2 (ko)
KR (1) KR100230554B1 (ko)
CN (1) CN1077713C (ko)
AT (1) ATE205012T1 (ko)
DE (1) DE69614772T2 (ko)
ES (1) ES2160770T3 (ko)
SG (1) SG42404A1 (ko)

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US5854809A (en) * 1996-04-29 1998-12-29 Eastman Kodak Company Data recovery method and apparatus for jitter tolerant peak detected channels
KR100243218B1 (ko) * 1997-07-10 2000-02-01 윤종용 데이터 복호장치와 그 방법
JP3998307B2 (ja) * 1997-12-25 2007-10-24 富士通株式会社 磁気ディスク装置及び磁気ディスク装置のエラー訂正方法
US6115418A (en) 1998-02-09 2000-09-05 National Semiconductor Corporation Simplified equalizer for twisted pair channel
US7034719B2 (en) * 2002-09-27 2006-04-25 Samsung Electronics Co., Ltd. Data modulating method and apparatus, data demodulating method and apparatus, and code arranging method
US6233714B1 (en) 1998-07-29 2001-05-15 International Business Machines Corporation Generalized method and means for defining and operating a (d, k) partial-response ML detector of binary-coded sequences
US6415003B1 (en) 1998-09-11 2002-07-02 National Semiconductor Corporation Digital baseline wander correction circuit
US6438163B1 (en) 1998-09-25 2002-08-20 National Semiconductor Corporation Cable length and quality indicator
US6418172B1 (en) * 1999-04-21 2002-07-09 National Semiconductor Corporation Look-ahead maximum likelihood sequence estimation decoder
US7050517B1 (en) 2000-04-28 2006-05-23 National Semiconductor Corporation System and method suitable for receiving gigabit ethernet signals
US7254198B1 (en) 2000-04-28 2007-08-07 National Semiconductor Corporation Receiver system having analog pre-filter and digital equalizer
JP4100878B2 (ja) * 2001-05-31 2008-06-11 富士通株式会社 データ再生装置に用いられるクロック調整装置、オフセット検出装置及びデータ再生装置
TW565829B (en) * 2002-03-19 2003-12-11 Via Tech Inc Method and device for recovering decoded data
KR100983991B1 (ko) * 2002-10-23 2010-09-30 파나소닉 주식회사 주파수 및 위상 제어 장치와 최대 우도 디코더
US6819512B2 (en) * 2003-02-18 2004-11-16 Protoscience, Inc. Triple-attribute method of encoding and decoding magnetic data
US8284870B1 (en) * 2006-02-07 2012-10-09 Link—A—Media Devices Corporation Timing loop

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403331A (en) * 1981-05-01 1983-09-06 Microdyne Corporation Method and apparatus for transmitting data over limited bandwidth channels
DE3422828A1 (de) * 1984-06-20 1986-01-02 Robert Bosch Gmbh, 7000 Stuttgart Datenempfaenger fuer aufgezeichnete daten
US4888779A (en) * 1988-03-18 1989-12-19 International Business Machines Corporation Matched spectral null trellis codes for partial response channels
US4945538A (en) * 1988-11-14 1990-07-31 International Business Machines Corporation Method and apparatus for processing sample values in a coded signal processing channel
EP0463752A3 (en) * 1990-06-29 1993-02-03 Digital Equipment Corporation Pattern matching circuit
US5138314A (en) * 1990-07-18 1992-08-11 Sony Corporation Method for converting and/or detecting data
JPH05234279A (ja) * 1992-02-24 1993-09-10 Sony Corp 最尤復号装置及びこれを用いた再生データ復調装置
US5341249A (en) * 1992-08-27 1994-08-23 Quantum Corporation Disk drive using PRML class IV sampling data detection with digital adaptive equalization
US5381359A (en) * 1992-08-27 1995-01-10 Quantum Corporation Adaptation and training of digital finite impulse response filter within PRML sampling data detection channel
US5491698A (en) * 1993-12-16 1996-02-13 International Business Machines Corporation Setting optimal boundary thresholds in a decoder for coded signal processing channels
EP0684605B1 (en) * 1994-05-23 1999-10-06 STMicroelectronics S.r.l. Parallel architecture PRML device for processing signals from a magnetic head during a reading step of data stored on a magnetic support

Also Published As

Publication number Publication date
ES2160770T3 (es) 2001-11-16
US5638065A (en) 1997-06-10
EP0749123A3 (en) 1998-03-11
EP0749123B1 (en) 2001-08-29
JPH097311A (ja) 1997-01-10
EP0749123A2 (en) 1996-12-18
JP3329185B2 (ja) 2002-09-30
CN1143809A (zh) 1997-02-26
DE69614772D1 (de) 2001-10-04
CN1077713C (zh) 2002-01-09
DE69614772T2 (de) 2002-07-04
KR970003107A (ko) 1997-01-28
ATE205012T1 (de) 2001-09-15
KR100230554B1 (ko) 1999-11-15

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