DE69222413T2 - Burstfehlererkennung - Google Patents

Burstfehlererkennung

Info

Publication number
DE69222413T2
DE69222413T2 DE69222413T DE69222413T DE69222413T2 DE 69222413 T2 DE69222413 T2 DE 69222413T2 DE 69222413 T DE69222413 T DE 69222413T DE 69222413 T DE69222413 T DE 69222413T DE 69222413 T2 DE69222413 T2 DE 69222413T2
Authority
DE
Germany
Prior art keywords
speech
probabilities
error
demodulated
decoder
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 - Lifetime
Application number
DE69222413T
Other languages
English (en)
Other versions
DE69222413D1 (de
Inventor
Michael Carey
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE69222413D1 publication Critical patent/DE69222413D1/de
Publication of DE69222413T2 publication Critical patent/DE69222413T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • 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)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69222413T 1991-03-11 1992-03-11 Burstfehlererkennung Expired - Lifetime DE69222413T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919105101A GB9105101D0 (en) 1991-03-11 1991-03-11 Error burst detection
PCT/GB1992/000437 WO1992016065A1 (en) 1991-03-11 1992-03-11 Error burst detection

Publications (2)

Publication Number Publication Date
DE69222413D1 DE69222413D1 (de) 1997-10-30
DE69222413T2 true DE69222413T2 (de) 1998-03-19

Family

ID=10691345

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222413T Expired - Lifetime DE69222413T2 (de) 1991-03-11 1992-03-11 Burstfehlererkennung

Country Status (10)

Country Link
US (1) US5416788A (de)
EP (1) EP0575422B1 (de)
JP (1) JP3165150B2 (de)
AT (1) ATE158681T1 (de)
DE (1) DE69222413T2 (de)
DK (1) DK0575422T3 (de)
ES (1) ES2109346T3 (de)
GB (1) GB9105101D0 (de)
SG (1) SG52316A1 (de)
WO (1) WO1992016065A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2876497B2 (ja) * 1991-08-23 1999-03-31 松下電器産業株式会社 誤り訂正符復号化方法およびその装置
WO1993022853A1 (en) * 1992-04-27 1993-11-11 The Commonwealth Of Australia Optimum estimation of data and parameters for communication systems
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
JPH06334697A (ja) * 1993-05-20 1994-12-02 Matsushita Electric Ind Co Ltd 誤り検出方法
FI98164C (fi) * 1994-01-24 1997-04-25 Nokia Mobile Phones Ltd Puhekooderin parametrien käsittely tietoliikennejärjestelmän vastaanottimessa
FI944739A (fi) 1994-10-07 1996-04-08 Nokia Telecommunications Oy Häiriönpoistomenetelmä ja vastaanotin
US5710781A (en) * 1995-06-02 1998-01-20 Ericsson Inc. Enhanced fading and random pattern error protection for dynamic bit allocation sub-band coding
JP2838994B2 (ja) * 1995-12-27 1998-12-16 日本電気株式会社 データ信号受信装置
DE19825398A1 (de) * 1998-05-27 1999-12-02 Deutsche Telekom Ag Verfahren und Vorrichtung zur Übertragung digitalisierter Daten
WO2001093488A1 (en) * 2000-05-29 2001-12-06 Telefonaktiebolaget Lm Ericsson (Publ) Error detection and error concealment for encoded speech data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333028A (ja) * 1986-07-26 1988-02-12 Nec Corp 信号検出方式
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
GB2215567B (en) * 1988-03-05 1992-11-18 Plessey Co Plc Improvements in or relating to equalisers
JP2960436B2 (ja) * 1989-06-26 1999-10-06 株式会社日立製作所 非線形データ伝送システム用受信器
SG44761A1 (en) * 1991-01-09 1997-12-19 Philips Electronics Uk Ltd Signal transmission system

Also Published As

Publication number Publication date
EP0575422B1 (de) 1997-09-24
JP3165150B2 (ja) 2001-05-14
ES2109346T3 (es) 1998-01-16
WO1992016065A1 (en) 1992-09-17
EP0575422A1 (de) 1993-12-29
US5416788A (en) 1995-05-16
DK0575422T3 (da) 1998-04-27
DE69222413D1 (de) 1997-10-30
ATE158681T1 (de) 1997-10-15
GB9105101D0 (en) 1991-04-24
SG52316A1 (en) 1998-09-28
JPH06505374A (ja) 1994-06-16

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Legal Events

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8364 No opposition during term of opposition