DE69225635D1 - Datenübertragungsgerät mit Fehler- und maximal Wahrscheinlichkeitsrechner - Google Patents

Datenübertragungsgerät mit Fehler- und maximal Wahrscheinlichkeitsrechner

Info

Publication number
DE69225635D1
DE69225635D1 DE69225635T DE69225635T DE69225635D1 DE 69225635 D1 DE69225635 D1 DE 69225635D1 DE 69225635 T DE69225635 T DE 69225635T DE 69225635 T DE69225635 T DE 69225635T DE 69225635 D1 DE69225635 D1 DE 69225635D1
Authority
DE
Germany
Prior art keywords
error
data transmission
transmission device
maximum probability
probability calculator
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
DE69225635T
Other languages
English (en)
Other versions
DE69225635T2 (de
Inventor
Mitsuru Uesugi
Kazuhisa Tsubaki
Kouichi Honma
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69225635D1 publication Critical patent/DE69225635D1/de
Application granted granted Critical
Publication of DE69225635T2 publication Critical patent/DE69225635T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Information Transfer Systems (AREA)
  • Traffic Control Systems (AREA)
  • Shift Register Type Memory (AREA)
DE69225635T 1991-03-07 1992-02-27 Datenübertragungsgerät mit Fehler- und maximal Wahrscheinlichkeitsrechner Expired - Fee Related DE69225635T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3041715A JP2673389B2 (ja) 1991-03-07 1991-03-07 データ伝送装置

Publications (2)

Publication Number Publication Date
DE69225635D1 true DE69225635D1 (de) 1998-07-02
DE69225635T2 DE69225635T2 (de) 1998-10-15

Family

ID=12616121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225635T Expired - Fee Related DE69225635T2 (de) 1991-03-07 1992-02-27 Datenübertragungsgerät mit Fehler- und maximal Wahrscheinlichkeitsrechner

Country Status (6)

Country Link
US (1) US5425037A (de)
EP (1) EP0507444B1 (de)
JP (1) JP2673389B2 (de)
DE (1) DE69225635T2 (de)
ES (1) ES2116314T3 (de)
NO (1) NO305629B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4318977A1 (de) * 1993-06-08 1995-01-05 Kommunikations Elektronik Verfahren zur Ausnutzung der Störungskorrelation bei Digitalsignalübertragung
US5651032A (en) * 1993-11-04 1997-07-22 Kabushiki Kaisha Toshiba Apparatus and method for trellis decoder
JP2864988B2 (ja) * 1994-06-21 1999-03-08 日本電気株式会社 軟判定信号出力形受信機
US6035007A (en) * 1996-03-12 2000-03-07 Ericsson Inc. Effective bypass of error control decoder in a digital radio system
DE19647653A1 (de) * 1996-11-18 1998-05-20 Philips Patentverwaltung Digitales Übertragungssystem mit trellisbasiertem, zustandsreduziertem Schätzverfahren
EP0967761A1 (de) * 1998-06-24 1999-12-29 Ascom Systec AG Verfahren zum Übertragen von digitalen Daten über einen mit gebündelt auftretenden Störungen behafteten Übertragungskanal
JP3405258B2 (ja) * 1999-03-12 2003-05-12 日本電気株式会社 軟判定復号用復調結果出力方法及び受信機
DE10046312B4 (de) * 2000-09-19 2004-02-26 Siemens Ag Verfahren zur Ermittlung von Netzwerktopologien
JP3545726B2 (ja) * 2001-02-27 2004-07-21 松下電器産業株式会社 受信側装置
JP2004088189A (ja) * 2002-08-23 2004-03-18 Matsushita Electric Ind Co Ltd データ受信装置およびデータ受信方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309772A (en) * 1980-01-24 1982-01-05 Motorola, Inc. Soft quantizer for FM radio binary digital signaling
US4322848A (en) * 1980-06-26 1982-03-30 Communications Satellite Corporation Reliability-weighted analog threshold decoder
US4945549A (en) * 1986-11-13 1990-07-31 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Trellis coded modulation for transmission over fading mobile satellite channel
JPH0748750B2 (ja) * 1988-11-15 1995-05-24 日本電気株式会社 同期復調装置
US5208816A (en) * 1989-08-18 1993-05-04 At&T Bell Laboratories Generalized viterbi decoding algorithms
US5271042A (en) * 1989-10-13 1993-12-14 Motorola, Inc. Soft decision decoding with channel equalization
JPH0626346B2 (ja) * 1990-04-26 1994-04-06 郵政省通信総合研究所長 畳込み符号化直交ｆｍ・ビタビ受信方式
JP2553743B2 (ja) * 1990-07-05 1996-11-13 松下電器産業株式会社 ディジタル信号磁気記録再生装置
US5351249A (en) * 1991-07-19 1994-09-27 Interdigital Technology Corporation Trellis coded FM digital communications system and method
US5233629A (en) * 1991-07-26 1993-08-03 General Instrument Corporation Method and apparatus for communicating digital data using trellis coded qam
US5204874A (en) * 1991-08-28 1993-04-20 Motorola, Inc. Method and apparatus for using orthogonal coding in a communication system
US5159608A (en) * 1991-08-28 1992-10-27 Falconer David D Method and apparatus for using orthogonal coding in a communication system
US5229767A (en) * 1991-09-05 1993-07-20 Motorola, Inc. Decoder for convolutionally encoded information
IL100029A (en) * 1991-11-11 1994-02-27 Motorola Inc Method and apparatus for improving detection of data bits in a slow frequency hopping communication system

Also Published As

Publication number Publication date
NO305629B1 (no) 1999-06-28
JPH04278743A (ja) 1992-10-05
JP2673389B2 (ja) 1997-11-05
EP0507444B1 (de) 1998-05-27
US5425037A (en) 1995-06-13
NO920874D0 (no) 1992-03-05
EP0507444A2 (de) 1992-10-07
NO920874L (no) 1992-09-08
EP0507444A3 (en) 1993-11-18
ES2116314T3 (es) 1998-07-16
DE69225635T2 (de) 1998-10-15

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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