DE19882604T1 - Statischer Viterbi-Detektor für Kanäle, die einen Code mit zeitveränderlichen Constraints verwenden - Google Patents

Statischer Viterbi-Detektor für Kanäle, die einen Code mit zeitveränderlichen Constraints verwenden

Info

Publication number
DE19882604T1
DE19882604T1 DE19882604T DE19882604T DE19882604T1 DE 19882604 T1 DE19882604 T1 DE 19882604T1 DE 19882604 T DE19882604 T DE 19882604T DE 19882604 T DE19882604 T DE 19882604T DE 19882604 T1 DE19882604 T1 DE 19882604T1
Authority
DE
Germany
Prior art keywords
viterbi
channels
code
time
static detector
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.)
Withdrawn
Application number
DE19882604T
Other languages
English (en)
Inventor
Bernardo Rub
Hamid R Shafiee
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE19882604T1 publication Critical patent/DE19882604T1/de
Withdrawn legal-status Critical Current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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • 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)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE19882604T 1997-08-11 1998-08-10 Statischer Viterbi-Detektor für Kanäle, die einen Code mit zeitveränderlichen Constraints verwenden Withdrawn DE19882604T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5535197P 1997-08-11 1997-08-11
PCT/US1998/016608 WO1999008376A1 (en) 1997-08-11 1998-08-10 Static viterbi detector for channels utilizing a code having time varying constraints

Publications (1)

Publication Number Publication Date
DE19882604T1 true DE19882604T1 (de) 2000-08-10

Family

ID=21997265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882604T Withdrawn DE19882604T1 (de) 1997-08-11 1998-08-10 Statischer Viterbi-Detektor für Kanäle, die einen Code mit zeitveränderlichen Constraints verwenden

Country Status (7)

Country Link
US (1) US6212661B1 (de)
JP (1) JP2001512945A (de)
KR (1) KR100543381B1 (de)
CN (1) CN1166052C (de)
DE (1) DE19882604T1 (de)
GB (1) GB2343819B (de)
WO (1) WO1999008376A1 (de)

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US6606728B1 (en) * 1999-06-23 2003-08-12 Agere Systems Inc. Rate (M/N) code encoder, detector, and decoder for control data
WO2002001561A2 (en) * 2000-06-27 2002-01-03 Seagate Technology Llc Method and apparatus for encoding with unequal protection in magnetic recording channels having concatenated error correction codes
US7058422B2 (en) * 2000-09-20 2006-06-06 Bae Systems Information And Electronic Systems Integration Inc. Method for overusing frequencies to permit simultaneous transmission of signals from two or more users on the same frequency and time slot
US6373906B1 (en) * 2000-10-26 2002-04-16 International Business Machines Corporation Method and apparatus for Viterbi detection of generalized partial response signals including two-way add/compare/select for improved channel speed
US6377635B1 (en) * 2000-10-26 2002-04-23 International Business Machines Corporation Method and apparatus for viterbi detection of generalized partial response signals using partial matched filter and matched filter metrics
US20020172305A1 (en) * 2000-11-24 2002-11-21 Younggyun Kim Fixed decision delay detectors for timing recovery loop
US7415075B2 (en) * 2002-10-29 2008-08-19 Conexant Systems, Inc. Multi-rate encoding and decoding system
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WO2007013361A1 (ja) * 2005-07-29 2007-02-01 Evolvable Systems Research Institute Inc. 信号処理装置および信号処理方法
US8817849B2 (en) * 2007-05-25 2014-08-26 Rambus Inc. Methods and systems for transmitting data by modulating transmitter filter coefficients
US9124299B1 (en) * 2012-04-04 2015-09-01 Sk Hynix Memory Solutions Inc. Fixed-point detector pruning for constrained codes
US9525436B2 (en) * 2014-12-24 2016-12-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Data detector with extended states

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US5327440A (en) * 1991-10-15 1994-07-05 International Business Machines Corporation Viterbi trellis coding methods and apparatus for a direct access storage device
JPH05174496A (ja) 1991-12-25 1993-07-13 Sony Corp ディジタル記録装置のｉｄ信号処理装置
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Also Published As

Publication number Publication date
US6212661B1 (en) 2001-04-03
JP2001512945A (ja) 2001-08-28
WO1999008376A9 (en) 1999-05-14
CN1266549A (zh) 2000-09-13
KR100543381B1 (ko) 2006-01-20
WO1999008376A1 (en) 1999-02-18
GB2343819B (en) 2002-09-11
KR20010022800A (ko) 2001-03-26
GB0001554D0 (en) 2000-03-15
CN1166052C (zh) 2004-09-08
GB2343819A (en) 2000-05-17

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8139 Disposal/non-payment of the annual fee