DE69928641D1 - Erzeugung von amplitudenstufen für einen bitdetektor mit partiellen wiedergabe und höchster wahrscheinlichkeit (prml) - Google Patents

Erzeugung von amplitudenstufen für einen bitdetektor mit partiellen wiedergabe und höchster wahrscheinlichkeit (prml)

Info

Publication number
DE69928641D1
DE69928641D1 DE69928641T DE69928641T DE69928641D1 DE 69928641 D1 DE69928641 D1 DE 69928641D1 DE 69928641 T DE69928641 T DE 69928641T DE 69928641 T DE69928641 T DE 69928641T DE 69928641 D1 DE69928641 D1 DE 69928641D1
Authority
DE
Germany
Prior art keywords
input information
information signal
values
prml
generation
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.)
Expired - Fee Related
Application number
DE69928641T
Other languages
English (en)
Other versions
DE69928641T2 (de
Inventor
M Coene
Der Vleuten J Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69928641D1 publication Critical patent/DE69928641D1/de
Application granted granted Critical
Publication of DE69928641T2 publication Critical patent/DE69928641T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
    • G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
    • G11B20/10296—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
    • 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
    • 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
    • H03M13/37—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
    • H03M13/4107—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing add, compare, select [ACS] operations
    • 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)
  • Dc Digital Transmission (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69928641T 1998-09-18 1999-09-03 Erzeugung von amplitudenstufen für einen bitdetektor mit partieller wiedergabe und höchster wahrscheinlichkeit (prml) Expired - Fee Related DE69928641T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98203146 1998-09-18
EP98203146 1998-09-18
PCT/EP1999/006549 WO2000017872A1 (en) 1998-09-18 1999-09-03 Generation of amplitude levels for a partial response maximum likelihood (prml) bit detector

Publications (2)

Publication Number Publication Date
DE69928641D1 true DE69928641D1 (de) 2006-01-05
DE69928641T2 DE69928641T2 (de) 2006-08-10

Family

ID=8234136

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928641T Expired - Fee Related DE69928641T2 (de) 1998-09-18 1999-09-03 Erzeugung von amplitudenstufen für einen bitdetektor mit partieller wiedergabe und höchster wahrscheinlichkeit (prml)

Country Status (9)

Country Link
US (2) US6587520B1 (de)
EP (1) EP1046165B1 (de)
JP (1) JP2002525783A (de)
KR (1) KR100586871B1 (de)
CN (1) CN1192382C (de)
AT (1) ATE311654T1 (de)
DE (1) DE69928641T2 (de)
MY (1) MY121774A (de)
WO (1) WO2000017872A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111373656A (zh) * 2018-02-14 2020-07-03 Oppo广东移动通信有限公司 输出功率调整方法及相关产品

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1046235A1 (de) * 1998-09-18 2000-10-25 Koninklijke Philips Electronics N.V. Vorrichtung zur bilddetektion unter anwendung von maximaler wahrscheinlichkeitstechnikund partial response
TW483038B (en) 2000-05-26 2002-04-11 Koninkl Philips Electronics Nv Display device
US20040156293A1 (en) * 2001-06-19 2004-08-12 Charalampos Pozidis Apparatus for reprocucing a digital information signal
JP3813931B2 (ja) * 2003-01-31 2006-08-23 株式会社東芝 情報再生装置及び情報再生方法
TWI260645B (en) 2003-06-19 2006-08-21 Samsung Electronics Co Ltd Apparatus and method for detecting binary data
JP2005166221A (ja) * 2003-12-05 2005-06-23 Canon Inc 情報再生方法及び情報再生装置
US8842186B2 (en) 2004-10-25 2014-09-23 I-Interactive Llc Control system and method employing identification of a displayed image
US8464188B1 (en) 2005-08-23 2013-06-11 The Mathworks, Inc. Multi-rate hierarchical state diagrams
KR20080068861A (ko) * 2005-10-19 2008-07-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 부분 응답 최대 유사도 디코딩
WO2007113747A2 (en) * 2006-04-04 2007-10-11 Koninklijke Philips Electronics N.V. Maximum likelihood sequence estimation decoding
US8406284B2 (en) * 2007-08-21 2013-03-26 General Instrument Corporation Receiver with adaptive equalizer
US9092682B2 (en) * 2012-05-25 2015-07-28 Metrologic Instruments, Inc. Laser scanning code symbol reading system employing programmable decode time-window filtering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113400A (en) * 1990-11-21 1992-05-12 Motorola, Inc. Error detection system
CA2131674A1 (en) * 1993-09-10 1995-03-11 Kalyan Ganesan High performance error control coding in channel encoders and decoders
US6092230A (en) * 1993-09-15 2000-07-18 Motorola, Inc. Method and apparatus for detecting bad frames of information in a communication system
JP3432003B2 (ja) * 1994-07-06 2003-07-28 キヤノン株式会社 情報再生装置及び情報記録再生装置
AU3364295A (en) * 1994-08-10 1996-03-07 Maxtor Corporation A tuned viterbi detector and equalizer system
JPH0877726A (ja) * 1994-09-06 1996-03-22 Hitachi Ltd ディジタル信号処理装置、誤り検出方法および記録媒体再生装置
EP0887790B1 (de) * 1997-06-24 2011-05-04 Sharp Kabushiki Kaisha Optisches Wiedergabegerät und optisches Speichersystem mit diesem Gerät und einem Medium
US6278748B1 (en) * 1998-04-30 2001-08-21 Texas Instruments Incorporated Rate 5/6 maximum transition run code for read channels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111373656A (zh) * 2018-02-14 2020-07-03 Oppo广东移动通信有限公司 输出功率调整方法及相关产品
CN111373656B (zh) * 2018-02-14 2021-10-29 Oppo广东移动通信有限公司 输出功率调整方法及相关产品

Also Published As

Publication number Publication date
KR20010032122A (ko) 2001-04-16
US7058142B2 (en) 2006-06-06
CN1288567A (zh) 2001-03-21
ATE311654T1 (de) 2005-12-15
US20030189993A1 (en) 2003-10-09
KR100586871B1 (ko) 2006-06-07
MY121774A (en) 2006-02-28
JP2002525783A (ja) 2002-08-13
WO2000017872A1 (en) 2000-03-30
US6587520B1 (en) 2003-07-01
EP1046165A1 (de) 2000-10-25
DE69928641T2 (de) 2006-08-10
EP1046165B1 (de) 2005-11-30
CN1192382C (zh) 2005-03-09

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee