ATE158681T1 - Burstfehlererkennung - Google Patents

Burstfehlererkennung

Info

Publication number
ATE158681T1
ATE158681T1 AT92906492T AT92906492T ATE158681T1 AT E158681 T1 ATE158681 T1 AT E158681T1 AT 92906492 T AT92906492 T AT 92906492T AT 92906492 T AT92906492 T AT 92906492T AT E158681 T1 ATE158681 T1 AT E158681T1
Authority
AT
Austria
Prior art keywords
speech
probabilities
error
demodulated
decoder
Prior art date
Application number
AT92906492T
Other languages
English (en)
Inventor
Michael John Carey
Original Assignee
British Telecomm
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 Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE158681T1 publication Critical patent/ATE158681T1/de

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)
  • Artificial Intelligence (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
AT92906492T 1991-03-11 1992-03-11 Burstfehlererkennung ATE158681T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919105101A GB9105101D0 (en) 1991-03-11 1991-03-11 Error burst detection

Publications (1)

Publication Number Publication Date
ATE158681T1 true ATE158681T1 (de) 1997-10-15

Family

ID=10691345

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92906492T ATE158681T1 (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
NZ251956A (en) * 1992-04-27 1995-08-28 Commw Of Australia Optimum estimation of parameters defining a communications link
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
FI944739A7 (fi) 1994-10-07 1996-04-08 Nokia Corp 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
EP0494709B1 (de) * 1991-01-09 1998-05-27 Philips Electronics Uk Limited Signalübertragungssystem mit getrennter Baum-Kodierung eines jeden Parameters

Also Published As

Publication number Publication date
US5416788A (en) 1995-05-16
DE69222413T2 (de) 1998-03-19
DK0575422T3 (da) 1998-04-27
ES2109346T3 (es) 1998-01-16
GB9105101D0 (en) 1991-04-24
SG52316A1 (en) 1998-09-28
DE69222413D1 (de) 1997-10-30
WO1992016065A1 (en) 1992-09-17
EP0575422A1 (de) 1993-12-29
EP0575422B1 (de) 1997-09-24
JP3165150B2 (ja) 2001-05-14
JPH06505374A (ja) 1994-06-16

Similar Documents

Publication Publication Date Title
CA2110244C (en) Extended list output and soft symbol output viterbi algorithms
US4447908A (en) Method of transmitting binary data sequences and arrangement for enabling the rapid determination of the end of a transmitted binary data sequence
CA2102789A1 (en) Error detection system
JP2595372B2 (ja) 広汎性ビテルビ復号化アルゴリズム
HK1000355A1 (en) Error detection system
US5229767A (en) Decoder for convolutionally encoded information
TW343410B (en) Method and apparatus for detecting communication signals having unequal error protection
BR0013669A (pt) Método e aparelho para detectar frames de taxa zero em um sistema de comunicações
CA2250510A1 (en) Data communications systems and methods using interspersed error detection bits
ATE158681T1 (de) Burstfehlererkennung
EP0333321A3 (de) Modulationskodierung gerader Marken
WO2003047118A3 (en) Method and apparatus for determining the log-likelihood ratio with precoding
US6751774B2 (en) Rate (M/N) code encoder, detector, and decoder for control data
AU1446400A (en) Systems and methods for receiving a modulated signal containing encoded and unencoded bits using multi-pass demodulation
KR100344605B1 (ko) 배드 프레임 검출기 및 터보 디코더
Seshadri et al. Generalized Viterbi algorithms for error detection with convolutional codes
US4710746A (en) Sequential decoding device for decoding systematic code
CA2056328A1 (en) Digital receiver with reduced memory requirement for viterbi equalization
EP0802636A3 (de) Verfahren und Gerät für Fehlerkorrektur
EP0910907B1 (de) Verfahren und vorrichtung zur verketteten kodierung von mobilfunksignalen
US5493584A (en) Method for determining a channel quality metric in a receiver
US6546518B1 (en) Detector error suppression circuit and method
EP0897228A3 (de) Fehlererkennungseinrichtung
JPH0783348B2 (ja) デジタル信号の復号装置
EP0678999B1 (de) Adaptive Einstellung von Entscheidungspegeln

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties