NO305629B1 - Dataoverf°ringsanordning - Google Patents

Dataoverf°ringsanordning Download PDF

Info

Publication number
NO305629B1
NO305629B1 NO920874A NO920874A NO305629B1 NO 305629 B1 NO305629 B1 NO 305629B1 NO 920874 A NO920874 A NO 920874A NO 920874 A NO920874 A NO 920874A NO 305629 B1 NO305629 B1 NO 305629B1
Authority
NO
Norway
Prior art keywords
demodulator
reliability
calculator
output
data
Prior art date
Application number
NO920874A
Other languages
English (en)
Norwegian (no)
Other versions
NO920874L (no
NO920874D0 (no
Inventor
Mitsuru Uesugi
Kazuhisa Tsubaki
Kouichi Honma
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NO920874D0 publication Critical patent/NO920874D0/no
Publication of NO920874L publication Critical patent/NO920874L/no
Publication of NO305629B1 publication Critical patent/NO305629B1/no

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)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Traffic Control Systems (AREA)
  • Shift Register Type Memory (AREA)
  • Information Transfer Systems (AREA)
NO920874A 1991-03-07 1992-03-05 Dataoverf°ringsanordning NO305629B1 (no)

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 (3)

Publication Number Publication Date
NO920874D0 NO920874D0 (no) 1992-03-05
NO920874L NO920874L (no) 1992-09-08
NO305629B1 true NO305629B1 (no) 1999-06-28

Family

ID=12616121

Family Applications (1)

Application Number Title Priority Date Filing Date
NO920874A NO305629B1 (no) 1991-03-07 1992-03-05 Dataoverf°ringsanordning

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
JP2673389B2 (ja) 1997-11-05
EP0507444B1 (de) 1998-05-27
JPH04278743A (ja) 1992-10-05
EP0507444A2 (de) 1992-10-07
DE69225635D1 (de) 1998-07-02
NO920874L (no) 1992-09-08
ES2116314T3 (es) 1998-07-16
EP0507444A3 (en) 1993-11-18
DE69225635T2 (de) 1998-10-15
US5425037A (en) 1995-06-13
NO920874D0 (no) 1992-03-05

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