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AU2001294844A1 - A method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations - Google Patents

A method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations

Info

Publication number
AU2001294844A1
AU2001294844A1 AU2001294844A AU9484401A AU2001294844A1 AU 2001294844 A1 AU2001294844 A1 AU 2001294844A1 AU 2001294844 A AU2001294844 A AU 2001294844A AU 9484401 A AU9484401 A AU 9484401A AU 2001294844 A1 AU2001294844 A1 AU 2001294844A1
Authority
AU
Australia
Prior art keywords
sensitivity
reducing
maximum likelihood
likelihood detection
channel variations
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
AU2001294844A
Inventor
Douglas C. Hansen
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.)
Storage Technology Corp
Original Assignee
Storage Technology 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 Storage Technology Corp filed Critical Storage Technology Corp
Publication of AU2001294844A1 publication Critical patent/AU2001294844A1/en
Abandoned legal-status Critical Current

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
    • H03M13/6331—Error control coding in combination with equalisation
    • 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
    • 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
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • 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
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6502—Reduction of hardware complexity or efficient processing

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
AU2001294844A 2000-09-27 2001-09-27 A method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations Abandoned AU2001294844A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09671546 2000-09-27
US09/671,546 US6795511B1 (en) 2000-09-27 2000-09-27 Method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations
PCT/US2001/030374 WO2002027946A2 (en) 2000-09-27 2001-09-27 A method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations

Publications (1)

Publication Number Publication Date
AU2001294844A1 true AU2001294844A1 (en) 2002-04-08

Family

ID=24694946

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001294844A Abandoned AU2001294844A1 (en) 2000-09-27 2001-09-27 A method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations

Country Status (3)

Country Link
US (1) US6795511B1 (en)
AU (1) AU2001294844A1 (en)
WO (1) WO2002027946A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3852401B2 (en) * 2002-12-18 2006-11-29 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 Signal processing apparatus and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888775A (en) * 1988-03-18 1989-12-19 International Business Machines Corporation Trellis codes for partial response channels
US5257272A (en) 1992-04-15 1993-10-26 International Business Machines Corporation Time-varying modulo N trellis codes for input restricted partial response channels
US5341387A (en) * 1992-08-27 1994-08-23 Quantum Corporation Viterbi detector having adjustable detection thresholds for PRML class IV sampling data detection
GB2302486A (en) 1995-06-17 1997-01-15 Hw Communications Limited Nested Trellis Decoder
US5838729A (en) 1996-04-09 1998-11-17 Thomson Multimedia, S.A. Multiple mode trellis decoder for a digital signal processing system
US5974091A (en) 1997-10-30 1999-10-26 Communication Network Systems Composite trellis system and method

Also Published As

Publication number Publication date
US6795511B1 (en) 2004-09-21
WO2002027946A3 (en) 2002-06-13
WO2002027946A2 (en) 2002-04-04

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