DE60025413D1 - Trelliskode für Kanäle mit eweiterter Teilantwort und Maximalwahrscheinlichkeitsschätzung - Google Patents

Trelliskode für Kanäle mit eweiterter Teilantwort und Maximalwahrscheinlichkeitsschätzung

Info

Publication number
DE60025413D1
DE60025413D1 DE60025413T DE60025413T DE60025413D1 DE 60025413 D1 DE60025413 D1 DE 60025413D1 DE 60025413 T DE60025413 T DE 60025413T DE 60025413 T DE60025413 T DE 60025413T DE 60025413 D1 DE60025413 D1 DE 60025413D1
Authority
DE
Germany
Prior art keywords
channels
maximum likelihood
partial response
likelihood estimation
trellis code
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 - Lifetime
Application number
DE60025413T
Other languages
English (en)
Other versions
DE60025413T2 (de
Inventor
Razmik Karabed
Jonathan J Ashley
James Wilson Rae
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of DE60025413D1 publication Critical patent/DE60025413D1/de
Application granted granted Critical
Publication of DE60025413T2 publication Critical patent/DE60025413T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60025413T 1999-07-01 2000-06-24 Trelliskode für Kanäle mit eweiterter Teilantwort und Maximalwahrscheinlichkeitsschätzung Expired - Lifetime DE60025413T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/347,598 US6408419B1 (en) 1999-07-01 1999-07-01 Trellis code for extended partial response maximum likelihood (EPRML) channel
US347598 1999-07-01

Publications (2)

Publication Number Publication Date
DE60025413D1 true DE60025413D1 (de) 2006-04-06
DE60025413T2 DE60025413T2 (de) 2006-08-24

Family

ID=23364404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025413T Expired - Lifetime DE60025413T2 (de) 1999-07-01 2000-06-24 Trelliskode für Kanäle mit eweiterter Teilantwort und Maximalwahrscheinlichkeitsschätzung

Country Status (6)

Country Link
US (1) US6408419B1 (de)
EP (1) EP1065852B1 (de)
JP (1) JP2001053623A (de)
KR (1) KR100727690B1 (de)
DE (1) DE60025413T2 (de)
SG (1) SG87896A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6718502B1 (en) * 2000-08-11 2004-04-06 Data Storage Institute Precoders for partial response channels
KR100399353B1 (ko) * 2001-07-13 2003-09-26 삼성전자주식회사 시분할 감지 기능을 구비한 불 휘발성 반도체 메모리 장치및 그것의 읽기 방법
KR100559730B1 (ko) 2003-09-22 2006-03-15 삼성전자주식회사 기록 시스템을 위한 데이터 부호화/복호화 방법 및 장치
US8276038B2 (en) * 2007-08-03 2012-09-25 International Business Machines Corporation Data storage systems

Family Cites Families (36)

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CH609510A5 (de) 1976-06-18 1979-02-28 Ibm
FR2565440B1 (fr) 1984-06-01 1986-09-05 Adret Electronique Etage synthetiseur de frequence comportant deux boucles a verrouillage de phase dont la seconde multiplie la frequence de la premiere par un facteur voisin de l'unite.
US4707681A (en) * 1986-04-24 1987-11-17 International Business Machines Corporation Method and apparatus for implementing optimum PRML codes
US5040191A (en) 1987-02-24 1991-08-13 Codex Corporation Partial response channel signaling systems
US4939555A (en) 1987-05-13 1990-07-03 At&T Bell Laboratories Trellis coding arrangement
US4802009A (en) 1987-07-13 1989-01-31 Rca Licensing Corporation Digitally controlled phase locked loop system
US4873701A (en) 1987-09-16 1989-10-10 Penril Corporation Modem and method for 8 dimensional trellis code modulation
US4888779A (en) 1988-03-18 1989-12-19 International Business Machines Corporation Matched spectral null trellis codes for partial response channels
US4888775A (en) 1988-03-18 1989-12-19 International Business Machines Corporation Trellis codes for partial response channels
DE3910739C3 (de) 1989-04-03 1996-11-21 Deutsche Forsch Luft Raumfahrt Verfahren zum Verallgemeinern des Viterbi-Algorithmus und Einrichtungen zur Durchführung des Verfahrens
US5159610A (en) 1989-05-12 1992-10-27 Codex Corporation Trellis precoding for modulation systems
US5111483A (en) 1989-08-07 1992-05-05 Motorola, Inc. Trellis decoder
US5095484A (en) 1989-11-13 1992-03-10 International Business Machines Company Corporation Phase invariant rate 8/10 matched spectral null code for PRML
US5214672A (en) 1990-04-06 1993-05-25 Codex Corporation Trellis precoding for fractional bits/baud
US5052031A (en) 1990-08-14 1991-09-24 At&T Bell Laboratories Phase locked loop including non-integer multiple frequency reference signal
US5301209A (en) 1991-10-09 1994-04-05 At&T Bell Laboratories Multidimensional trellis-coded modulation for fading channels
US5327440A (en) 1991-10-15 1994-07-05 International Business Machines Corporation Viterbi trellis coding methods and apparatus for a direct access storage device
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
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5844922A (en) 1993-02-22 1998-12-01 Qualcomm Incorporated High rate trellis coding and decoding method and apparatus
US5497384A (en) 1993-12-29 1996-03-05 International Business Machines Corporation Permuted trellis codes for input restricted partial response channels
US5619539A (en) 1994-02-28 1997-04-08 International Business Machines Corporation Data detection methods and apparatus for a direct access storage device
US5490091A (en) 1994-03-01 1996-02-06 Guzik Technical Enterprises, Inc. Histograms of processed noise samples for measuring error rate of a PRML data detection channel
JPH08329619A (ja) 1994-10-27 1996-12-13 Hitachi Ltd データ再生方法、データ再生装置、およびデータ再生用回路
US5621761A (en) * 1994-12-09 1997-04-15 General Instrument Corporation Of Delaware Rotationally invariant trellis coding incorporating transparent binary convolutional codes
US5691993A (en) 1995-06-07 1997-11-25 Seagate Technology, Inc. Rate 4/5 trellis code for PR4 channels with improved error propagation
US5521945A (en) 1995-06-30 1996-05-28 Quantum Corporation Reduced complexity EPR4 post-processor for sampled data detection
US5809080A (en) 1995-10-10 1998-09-15 Mitel Semiconductor Americas Inc. System and method for coding partial response channels with noise predictive Viterbi detectors
US5726818A (en) 1995-12-05 1998-03-10 Cirrus Logic, Inc. Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
US5841818A (en) 1996-01-17 1998-11-24 Chung-Chin Chen Decoding method for trellis codes employing a convolutional processor
US5809081A (en) 1996-05-20 1998-09-15 Mitel Semiconductor Americas Inc. System and method for encoding data such that after precoding the data has a pre-selected parity structure
US5771127A (en) 1996-07-29 1998-06-23 Cirrus Logic, Inc. Sampled amplitude read channel employing interpolated timing recovery and a remod/demod sequence detector
US5857002A (en) 1996-08-16 1999-01-05 International Business Machines Corporation PRML channel with EPR4 equalization and clocking
US5757294A (en) 1996-12-31 1998-05-26 Quantum Corporation Rate 24/25 modulation code for PRML recording channels
US6154870A (en) * 1997-06-04 2000-11-28 Seagate Technology Llc Signal error-correction system and method
US6035435A (en) * 1997-09-30 2000-03-07 Datapath Systems, Inc. Method and apparatus for encoding a binary signal

Also Published As

Publication number Publication date
EP1065852A3 (de) 2003-12-03
KR100727690B1 (ko) 2007-06-13
JP2001053623A (ja) 2001-02-23
SG87896A1 (en) 2002-04-16
EP1065852B1 (de) 2006-01-11
EP1065852A2 (de) 2001-01-03
DE60025413T2 (de) 2006-08-24
KR20010021043A (ko) 2001-03-15
US6408419B1 (en) 2002-06-18

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Legal Events

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