JPH0345582B2 - - Google Patents

Info

Publication number
JPH0345582B2
JPH0345582B2 JP61023972A JP2397286A JPH0345582B2 JP H0345582 B2 JPH0345582 B2 JP H0345582B2 JP 61023972 A JP61023972 A JP 61023972A JP 2397286 A JP2397286 A JP 2397286A JP H0345582 B2 JPH0345582 B2 JP H0345582B2
Authority
JP
Japan
Prior art keywords
path
memory
maximum likelihood
signal
circuit
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
Application number
JP61023972A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62183226A (ja
Inventor
Kaneyasu Shimoda
Tadayoshi Kato
Juzo Ageno
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
Priority to JP61023972A priority Critical patent/JPS62183226A/ja
Priority to CA000528732A priority patent/CA1260142A/en
Priority to EP87101556A priority patent/EP0231943B1/en
Priority to DE87101556T priority patent/DE3788143T2/de
Priority to US07/011,537 priority patent/US4710746A/en
Publication of JPS62183226A publication Critical patent/JPS62183226A/ja
Publication of JPH0345582B2 publication Critical patent/JPH0345582B2/ja
Granted 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)
JP61023972A 1986-02-07 1986-02-07 シ−ケンシャル復号器 Granted JPS62183226A (ja)

Priority Applications (5)

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
CA000528732A CA1260142A (en) 1986-02-07 1987-02-02 Sequential decoding device for decoding systematic code
EP87101556A EP0231943B1 (en) 1986-02-07 1987-02-05 Sequential decoding device for decoding systematic code
DE87101556T DE3788143T2 (de) 1986-02-07 1987-02-05 Sequenzielles Dekodierungsgerät zur Dekodierung von Systemkodes.
US07/011,537 US4710746A (en) 1986-02-07 1987-02-06 Sequential decoding device for decoding systematic code

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
JPS62183226A JPS62183226A (ja) 1987-08-11
JPH0345582B2 true JPH0345582B2 (https=) 1991-07-11

Family

ID=12125464

Family Applications (1)

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

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
US4748626A (en) * 1987-01-28 1988-05-31 Racal Data Communications Inc. Viterbi decoder with reduced number of data move operations
US4847871A (en) * 1987-01-28 1989-07-11 Matsushita Electric Industrial Co., Ltd. Viterbi detector for digital signal
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
EP0600095B1 (en) * 1992-06-22 2000-05-10 Oki Electric Industry Company, Limited Bit error counter and its counting method, and signal identifying device and its identifying method
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
JP3349696B2 (ja) * 1998-06-02 2002-11-25 株式会社エヌ・ティ・ティ・ドコモ 逐次復号器及び該逐次復号器を備えた受信機
US6934343B2 (en) * 2000-11-15 2005-08-23 Texas Instruments Incorporated Computing the full path metric in viterbi decoding

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
DE3788143T2 (de) 1994-04-28
EP0231943A3 (en) 1990-07-11
US4710746A (en) 1987-12-01
EP0231943A2 (en) 1987-08-12
DE3788143D1 (de) 1993-12-23
EP0231943B1 (en) 1993-11-18
JPS62183226A (ja) 1987-08-11
CA1260142A (en) 1989-09-26

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