SG150594G - Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel - Google Patents

Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel

Info

Publication number
SG150594G
SG150594G SG150594A SG150594A SG150594G SG 150594 G SG150594 G SG 150594G SG 150594 A SG150594 A SG 150594A SG 150594 A SG150594 A SG 150594A SG 150594 G SG150594 G SG 150594G
Authority
SG
Singapore
Prior art keywords
decoding
recording
partial
output signal
device channel
Prior art date
Application number
SG150594A
Other languages
English (en)
Inventor
Francois Bernard Dolivo
Gottfried Ungerboeck
Thomas David Howell
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
Priority to US06/520,666 priority Critical patent/US4571734A/en
Priority to EP84108096A priority patent/EP0133480B1/fr
Priority to JP59144585A priority patent/JPH0634483B2/ja
Priority to US06/787,277 priority patent/US4644564A/en
Application filed by Ibm filed Critical Ibm
Priority to SG150594A priority patent/SG150594G/en
Priority to HK138294A priority patent/HK138294A/xx
Publication of SG150594G publication Critical patent/SG150594G/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03184—Details concerning the metric
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03356—Baseband transmission
    • H04L2025/03369—Partial response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
SG150594A 1983-08-05 1994-10-17 Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel SG150594G (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US06/520,666 US4571734A (en) 1983-08-05 1983-08-05 Method and apparatus for decoding the output signal of a partial-response class-IV communication or recording-device channel
EP84108096A EP0133480B1 (fr) 1983-08-05 1984-07-11 Procédé et dispositif pour décoder le signal sortant d'un canal de communication ou d'un dispositif d'enregistrement à réponse partielle
JP59144585A JPH0634483B2 (ja) 1983-08-05 1984-07-13 出力信号復合方法
US06/787,277 US4644564A (en) 1983-08-05 1985-10-15 Decoding the output signal of a partial-response class-IV communication or recording device channel
SG150594A SG150594G (en) 1983-08-05 1994-10-17 Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel
HK138294A HK138294A (en) 1983-08-05 1994-12-08 Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/520,666 US4571734A (en) 1983-08-05 1983-08-05 Method and apparatus for decoding the output signal of a partial-response class-IV communication or recording-device channel
SG150594A SG150594G (en) 1983-08-05 1994-10-17 Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel

Publications (1)

Publication Number Publication Date
SG150594G true SG150594G (en) 1995-03-17

Family

ID=26664433

Family Applications (1)

Application Number Title Priority Date Filing Date
SG150594A SG150594G (en) 1983-08-05 1994-10-17 Method and apparatus for decoding the output signal of a partial-response communication or recording-device channel

Country Status (5)

Country Link
US (1) US4571734A (fr)
EP (1) EP0133480B1 (fr)
JP (1) JPH0634483B2 (fr)
HK (1) HK138294A (fr)
SG (1) SG150594G (fr)

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US4888779A (en) * 1988-03-18 1989-12-19 International Business Machines Corporation Matched spectral null trellis codes for partial response channels
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US5430744A (en) * 1993-09-30 1995-07-04 International Business Machines Corporation Method and means for detecting partial response waveforms using a modified dynamic programming heuristic
US6302576B1 (en) 1993-11-29 2001-10-16 Oki Electric Industry Co., Ltd. Soft decision estimation unit and maximum-likelihood sequence estimation unit
US5916315A (en) * 1994-08-23 1999-06-29 Ampex Systems Corporation Viterbi detector for class II partial response equalized miller-squared signals
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US5493454A (en) * 1994-10-04 1996-02-20 Quantum Corporation Write precompensation optimization in a PRML channel using a selected PRML signal level
US6282251B1 (en) * 1995-03-21 2001-08-28 Seagate Technology Llc Modified viterbi detector which accounts for correlated noise
KR970002572A (ko) * 1995-06-17 1997-01-28 김광호 데이타 저장기기의 데이타 검출방법 및 장치
US5734680A (en) * 1995-08-09 1998-03-31 Hewlett-Packard Co. Analog implementation of a partial response maximum likelihood (PRML) read channel
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US5808573A (en) * 1996-08-01 1998-09-15 Nec Electronics Incorporated Methods and structure for sampled-data timing recovery with reduced complexity and latency
US5905743A (en) * 1996-12-31 1999-05-18 Ericsson Inc. Apparatus, methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path metrics
US5914989A (en) * 1997-02-19 1999-06-22 Nec Electronics, Inc. PRML system with reduced complexity maximum likelihood detector
US5938790A (en) * 1997-03-04 1999-08-17 Silicon Systems Research Ltd. Sequence error event detection and correction using fixed block digital sum codes
DE19882604T1 (de) 1997-08-11 2000-08-10 Seagate Technology Statischer Viterbi-Detektor für Kanäle, die einen Code mit zeitveränderlichen Constraints verwenden
JP2001519583A (ja) 1997-10-08 2001-10-23 シーゲイト テクノロジー エルエルシー 判定帰還を用いる磁気記録におけるデータの検出方法および装置
US6493162B1 (en) 1997-12-05 2002-12-10 Seagate Technology Llc Frame synchronization for viterbi detector
GB2341764B (en) * 1998-09-19 2003-09-10 Mitel Semiconductor Ltd Read arrangements
US6268742B1 (en) * 2000-01-12 2001-07-31 Xilinx, Inc. Tap and matched filter arrangement
US6289060B1 (en) * 2000-05-12 2001-09-11 Motorola, Inc. Method and apparatus for performing a generalized viterbi search to demodulate a sequence of symbols
JP4324316B2 (ja) * 2000-10-23 2009-09-02 株式会社日立グローバルストレージテクノロジーズ 垂直磁気記録再生装置
US7127665B2 (en) * 2001-10-03 2006-10-24 Sony Corporation Trellis code detector and decoder
FR2833167B1 (fr) * 2001-12-07 2004-05-21 Oreal Compositions cosmetiques antisolaires a base d'un melange synergique de filtres et utilisations
JP2004039130A (ja) * 2002-07-04 2004-02-05 Sony Corp 最尤復号方法及び最尤復号装置
WO2004032398A1 (fr) * 2002-09-30 2004-04-15 Seagate Technology Llc Egalisation iterative et decodage iteratif d'un signal code selon les codes de reed-muller
TWI390506B (zh) * 2009-05-20 2013-03-21 Novatek Microelectronics Corp 資料復原之校正電路與方法
US8566381B2 (en) * 2010-08-05 2013-10-22 Lsi Corporation Systems and methods for sequence detection in data processing

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US3508153A (en) * 1967-09-11 1970-04-21 Bell Telephone Labor Inc Automatic equalizer for partial-response data transmission systems
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US3792356A (en) * 1971-12-27 1974-02-12 Ibm Receiver structure for equalization of partial-response coded data
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US4472813A (en) * 1981-03-30 1984-09-18 Nippon Electric Co., Ltd. Transmission system for intentionally violating a class IV partial response code to distinguish subsidiary signals from an error
US4504872A (en) * 1983-02-08 1985-03-12 Ampex Corporation Digital maximum likelihood detector for class IV partial response

Also Published As

Publication number Publication date
HK138294A (en) 1994-12-16
US4571734A (en) 1986-02-18
EP0133480B1 (fr) 1992-01-08
EP0133480A3 (en) 1988-03-16
EP0133480A2 (fr) 1985-02-27
JPH0634483B2 (ja) 1994-05-02
JPS6047538A (ja) 1985-03-14

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