DE3788143T2 - Sequenzielles Dekodierungsgerät zur Dekodierung von Systemkodes. - Google Patents

Sequenzielles Dekodierungsgerät zur Dekodierung von Systemkodes.

Info

Publication number
DE3788143T2
DE3788143T2 DE87101556T DE3788143T DE3788143T2 DE 3788143 T2 DE3788143 T2 DE 3788143T2 DE 87101556 T DE87101556 T DE 87101556T DE 3788143 T DE3788143 T DE 3788143T DE 3788143 T2 DE3788143 T2 DE 3788143T2
Authority
DE
Germany
Prior art keywords
path
address
circuit
memory
output
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
DE87101556T
Other languages
German (de)
English (en)
Other versions
DE3788143D1 (de
Inventor
Yuzo Ageno
Tadayoshi Katoh
Kaneyasu Shimoda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3788143D1 publication Critical patent/DE3788143D1/de
Publication of DE3788143T2 publication Critical patent/DE3788143T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M13/37—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

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
DE87101556T 1986-02-07 1987-02-05 Sequenzielles Dekodierungsgerät zur Dekodierung von Systemkodes. Expired - Fee Related DE3788143T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61023972A JPS62183226A (ja) 1986-02-07 1986-02-07 シ−ケンシャル復号器

Publications (2)

Publication Number Publication Date
DE3788143D1 DE3788143D1 (de) 1993-12-23
DE3788143T2 true DE3788143T2 (de) 1994-04-28

Family

ID=12125464

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87101556T Expired - Fee Related DE3788143T2 (de) 1986-02-07 1987-02-05 Sequenzielles Dekodierungsgerät zur Dekodierung von Systemkodes.

Country Status (5)

Country Link
US (1) US4710746A (https=)
EP (1) EP0231943B1 (https=)
JP (1) JPS62183226A (https=)
CA (1) CA1260142A (https=)
DE (1) DE3788143T2 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8609711D0 (en) * 1986-04-21 1986-05-29 Clark A P Channel estimation & detection
US4847871A (en) * 1987-01-28 1989-07-11 Matsushita Electric Industrial Co., Ltd. Viterbi detector for digital signal
US4748626A (en) * 1987-01-28 1988-05-31 Racal Data Communications Inc. Viterbi decoder with reduced number of data move operations
EP0293620A1 (de) * 1987-05-25 1988-12-07 BBC Brown Boveri AG Signalübertragungsverfahren
US5710785A (en) * 1987-08-07 1998-01-20 Nec Corporation Sequential decoder having short synchronization recovery time
JPH0624348B2 (ja) * 1988-05-24 1994-03-30 日本電気株式会社 誤り訂正装置における同期検出方法およびその装置並びに該装置を用いる同期方法
JP2531533B2 (ja) * 1988-08-25 1996-09-04 富士通株式会社 逐次復号器
US5295142A (en) * 1989-07-18 1994-03-15 Sony Corporation Viterbi decoder
JPH03195129A (ja) * 1989-12-22 1991-08-26 Mitsubishi Electric Corp 最尤系列推定装置
FR2660503B1 (fr) * 1990-03-30 1992-06-05 Alcatel Transmission Procede et dispositif de decodage sequentiel d'un train numerique code par un code correcteur d'erreurs de type convolutif.
EP0566672A1 (en) * 1991-01-09 1993-10-27 Welch Allyn, Inc. Low wattage metal halide lamp apparatus
GB2255482B (en) * 1991-05-01 1995-05-10 Silicon Systems Inc Maximum likelihood sequence metric calculator
US5491705A (en) * 1992-06-18 1996-02-13 The United States Of America As Represented By The Secretary Of The Air Force De bruijn graph based VLSI viterbi decoder
CA2115445A1 (en) * 1992-06-22 1994-01-06 Masami Abe Device for and method of continuing bit errors and device for and method of identifying signals
JP3467343B2 (ja) * 1994-03-24 2003-11-17 シリコン システムズ インコーポレーテッド Ｐｒｍｌチャネルのためのビタビ検出器を実現するための装置
US6134277A (en) * 1997-09-04 2000-10-17 Ericsson Inc System and method for self-adaptive maximum likelihood sequence detection
EP1001543B1 (en) * 1998-06-02 2004-11-03 NTT Mobile Communications Network Inc. Sequential decoder, and receiver using sequential decoder
DE60117421T2 (de) * 2000-11-15 2006-09-07 Texas Instruments Inc., Dallas Vollen Pfadmetrikrechner in Viterbidekodierung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457562A (en) * 1964-06-22 1969-07-22 Massachusetts Inst Technology Error correcting sequential decoder
US3665396A (en) * 1968-10-11 1972-05-23 Codex Corp Sequential decoding
US4583078A (en) * 1984-11-13 1986-04-15 Communications Satellite Corporation Serial Viterbi decoder

Also Published As

Publication number Publication date
US4710746A (en) 1987-12-01
DE3788143D1 (de) 1993-12-23
EP0231943A2 (en) 1987-08-12
CA1260142A (en) 1989-09-26
EP0231943B1 (en) 1993-11-18
JPH0345582B2 (https=) 1991-07-11
EP0231943A3 (en) 1990-07-11
JPS62183226A (ja) 1987-08-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee