KR19990064118A - 소프트 디시젼 중첩 복호기내의 확인 및 프레임 신호 품질 검출방법 및 장치 - Google Patents

소프트 디시젼 중첩 복호기내의 확인 및 프레임 신호 품질 검출방법 및 장치 Download PDF

Info

Publication number
KR19990064118A
KR19990064118A KR1019980702599A KR19980702599A KR19990064118A KR 19990064118 A KR19990064118 A KR 19990064118A KR 1019980702599 A KR1019980702599 A KR 1019980702599A KR 19980702599 A KR19980702599 A KR 19980702599A KR 19990064118 A KR19990064118 A KR 19990064118A
Authority
KR
South Korea
Prior art keywords
signal
frame
bits
bit
received
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.)
Ceased
Application number
KR1019980702599A
Other languages
English (en)
Korean (ko)
Inventor
윙 택 케네스 웡
대니 육-쿤 웡
Original Assignee
세모스 로버트 어니스트 빅커스
브리티쉬 텔리커뮤니케이션즈 파블릭 리미티드 캄퍼니
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 세모스 로버트 어니스트 빅커스, 브리티쉬 텔리커뮤니케이션즈 파블릭 리미티드 캄퍼니 filed Critical 세모스 로버트 어니스트 빅커스
Publication of KR19990064118A publication Critical patent/KR19990064118A/ko
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H03M13/27—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 using interleaving techniques
    • H03M13/275—Interleaver wherein the permutation pattern is obtained using a congruential operation of the type y=ax+b modulo c
    • 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
    • H03M13/3723—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using means or methods for the initialisation of the decoder
    • 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
    • H03M13/3738—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with judging correct decoding
    • 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
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H04L1/0069—Puncturing patterns
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • 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
    • H04L2001/0098—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1019980702599A 1995-10-06 1996-10-03 소프트 디시젼 중첩 복호기내의 확인 및 프레임 신호 품질 검출방법 및 장치 Ceased KR19990064118A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9520445.9 1995-10-06
GBGB9520445.9A GB9520445D0 (en) 1995-10-06 1995-10-06 Convolutional codes
PCT/GB1996/002423 WO1997014235A1 (en) 1995-10-06 1996-10-03 Confidence and frame signal quality detection in a soft decision convolutional decoder

Publications (1)

Publication Number Publication Date
KR19990064118A true KR19990064118A (ko) 1999-07-26

Family

ID=10781891

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980702599A Ceased KR19990064118A (ko) 1995-10-06 1996-10-03 소프트 디시젼 중첩 복호기내의 확인 및 프레임 신호 품질 검출방법 및 장치

Country Status (13)

Country Link
US (2) US5983174A (https=)
EP (2) EP0853848B1 (https=)
JP (1) JP3681759B2 (https=)
KR (1) KR19990064118A (https=)
CN (1) CN1140084C (https=)
AU (1) AU728399B2 (https=)
CA (1) CA2233980C (https=)
DE (1) DE69634155T2 (https=)
GB (1) GB9520445D0 (https=)
NO (1) NO981525L (https=)
NZ (1) NZ319215A (https=)
SG (1) SG92637A1 (https=)
WO (1) WO1997014235A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101109527B1 (ko) * 2004-01-15 2012-01-31 소니 에릭슨 모빌 커뮤니케이션즈 재팬, 아이엔씨. 데이터 전송 방법 및 장치

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320663B (en) * 1996-12-20 2001-09-12 Motorola Ltd Signal processing in digital radio receivers
FI112894B (fi) 1997-04-10 2004-01-30 Nokia Corp Menetelmä kehysvirhetodennäköisyyden pienentämiseksi tietokehysmuotoisessa tiedonsiirrossa
JPH1117555A (ja) 1997-06-26 1999-01-22 Mitsubishi Electric Corp データ伝送システム、受信装置および記録媒体
WO1999023760A1 (en) 1997-11-03 1999-05-14 Harris Corporation Receiver for a reconfigurable radio system and method therefor
JP3249457B2 (ja) * 1997-11-28 2002-01-21 沖電気工業株式会社 ディジタル通信用音声送受信装置
JP2002501328A (ja) 1998-01-07 2002-01-15 シーメンス アクチエンゲゼルシヤフト 情報を、ソース制御チャネルデコーディングを使用してコーディング、デコーディングおよび伝送するための方法および装置
US6192500B1 (en) * 1998-02-11 2001-02-20 Conexant Systems, Inc. Method and apparatus for enhanced performance in a system employing convolutional decoding
EP1062758A1 (en) 1998-03-12 2000-12-27 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for signal degradation measurement
DE19845888A1 (de) * 1998-10-06 2000-05-11 Bosch Gmbh Robert Verfahren zur Codierung oder Decodierung von Sprachsignalabtastwerten sowie Coder bzw. Decoder
GB2348087B (en) 1999-03-13 2003-08-13 Nec Technologies Detection of unreliable frames in digital data transmission systems
EP1914895B1 (en) * 1999-05-10 2017-11-01 NTT DoCoMo, Inc. Data multiplexing method and data multiplexer, and data transmitting method and data transmitter
JP4449108B2 (ja) * 1999-08-05 2010-04-14 パナソニック株式会社 音声復号装置
US6915263B1 (en) * 1999-10-20 2005-07-05 Sony Corporation Digital audio decoder having error concealment using a dynamic recovery delay and frame repeating and also having fast audio muting capabilities
US6799294B1 (en) * 2000-04-06 2004-09-28 Lucent Technologies Inc. Method and apparatus for generating channel error flags for error mitigation and/or concealment in source decoders
US6760699B1 (en) * 2000-04-24 2004-07-06 Lucent Technologies Inc. Soft feature decoding in a distributed automatic speech recognition system for use over wireless channels
KR100403738B1 (ko) * 2000-05-24 2003-10-30 삼성전자주식회사 복합 재전송형식을 사용하는 데이터 통신시스템의 데이터송수신장치 및 방법
US7109970B1 (en) * 2000-07-01 2006-09-19 Miller Stephen S Apparatus for remotely controlling computers and other electronic appliances/devices using a combination of voice commands and finger movements
US7051268B1 (en) * 2000-09-29 2006-05-23 Qualcomm Incorporated Method and apparatus for reducing power consumption of a decoder in a communication system
FI115178B (fi) 2000-10-31 2005-03-15 Nokia Corp Menetelmä ja järjestely bittien suojaamiseksi parhaalla mahdollisella tavalla tiedonsiirtovirheitä vastaan
US6583735B2 (en) * 2001-02-01 2003-06-24 Nec Corporation Method and apparatus for adaptive bus coding for low power deep sub-micron designs
FR2821096A1 (fr) 2001-02-20 2002-08-23 Clotilde Martine Griguer Systeme de revetement permettant de former des pistes de circulation temporaire
GB2386808B (en) * 2001-06-28 2004-07-07 Samsung Electronics Co Ltd Apparatus and method for transmitting TFCI bits for a hard split mode in a CDMA mobile communication system
US6901550B2 (en) * 2001-10-17 2005-05-31 Actelis Networks Inc. Two-dimensional interleaving in a modem pool environment
WO2004100475A2 (en) * 2003-05-05 2004-11-18 Thomson Licensing S.A. Adaptive soft demodulation for reception of distorted signals
CN1788479A (zh) * 2003-05-12 2006-06-14 西门子公司 用于在无线lan中分配比特的信令
WO2005086138A1 (ja) * 2004-03-05 2005-09-15 Matsushita Electric Industrial Co., Ltd. エラー隠蔽装置およびエラー隠蔽方法
US7949074B2 (en) * 2004-04-24 2011-05-24 Thomson Licensing Apparatus and method for decoding in a hierarchical, modulation system
US7327714B2 (en) * 2004-06-02 2008-02-05 Samsung Electronics Co., Ltd. Apparatus and method for detecting a time division multiplexing frame in a mobile communication system
US8166354B2 (en) * 2006-11-30 2012-04-24 Research In Motion Limited Apparatus, and associated method, for estimating a bit error rate of data communicated in a communication system
JP5385513B2 (ja) * 2007-06-18 2014-01-08 富士通モバイルコミュニケーションズ株式会社 ディジタル通信システム、ディジタル無線送信装置、ディジタル無線受信装置
US8135015B2 (en) * 2009-03-27 2012-03-13 Qualcomm Incorporated System and method of transmitting and receiving data frames
US9489950B2 (en) * 2012-05-31 2016-11-08 Agency For Science, Technology And Research Method and system for dual scoring for text-dependent speaker verification
US12462814B2 (en) * 2023-10-06 2025-11-04 Digital Voice Systems, Inc. Bit error correction in digital speech
US20250336405A1 (en) * 2024-04-24 2025-10-30 Digital Voice Systems, Inc. Voicing Smoother

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930010271A (ko) * 1991-07-10 1993-06-22 도요다 요시또시 직기에 대한 크로스 롤러 교환장치
JPH05336080A (ja) * 1992-06-03 1993-12-17 Matsushita Electric Ind Co Ltd 誤り制御システム
JPH0964849A (ja) * 1995-08-18 1997-03-07 Nippon Telegr & Teleph Corp <Ntt> 誤り訂正装置
KR0161709B1 (ko) * 1993-01-07 1998-12-01 사또 후미오 데이타 통신장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805169A1 (de) * 1988-02-19 1989-08-31 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen eines digital-codierten tonsignals
US5144644A (en) * 1989-10-13 1992-09-01 Motorola, Inc. Soft trellis decoding
US5214656A (en) * 1990-12-13 1993-05-25 At&T Bell Laboratories Multiplexed coded modulation with unequal error protection
DE9218980U1 (de) * 1991-09-05 1996-08-22 Motorola Inc., Schaumburg, Ill. Fehlerschutz für Mehrmoden-Sprachcoder
DE4229654A1 (de) * 1991-09-25 1993-04-22 Thomson Brandt Gmbh Verfahren zur uebertragung eines audio- und/oder videosignals
SE470372B (sv) * 1992-06-23 1994-01-31 Ericsson Telefon Ab L M Metod jämte anordning att uppskatta kvaliten vid ramfelsdetektering i mottagaren hos ett radiokommunikationssystem
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
US5363413A (en) * 1993-05-20 1994-11-08 Motorola, Inc. Data decoder and method for use therein using a dynamically indexed channel state metric

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930010271A (ko) * 1991-07-10 1993-06-22 도요다 요시또시 직기에 대한 크로스 롤러 교환장치
JPH05336080A (ja) * 1992-06-03 1993-12-17 Matsushita Electric Ind Co Ltd 誤り制御システム
KR0161709B1 (ko) * 1993-01-07 1998-12-01 사또 후미오 데이타 통신장치
JPH0964849A (ja) * 1995-08-18 1997-03-07 Nippon Telegr & Teleph Corp <Ntt> 誤り訂正装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101109527B1 (ko) * 2004-01-15 2012-01-31 소니 에릭슨 모빌 커뮤니케이션즈 재팬, 아이엔씨. 데이터 전송 방법 및 장치

Also Published As

Publication number Publication date
NO981525D0 (no) 1998-04-03
EP0853848A1 (en) 1998-07-22
JP3681759B2 (ja) 2005-08-10
CA2233980A1 (en) 1997-04-17
US6081778A (en) 2000-06-27
JPH11513551A (ja) 1999-11-16
CN1198861A (zh) 1998-11-11
NZ319215A (en) 2000-02-28
EP1508990A1 (en) 2005-02-23
EP0853848B1 (en) 2005-01-05
DE69634155D1 (de) 2005-02-10
CA2233980C (en) 2002-12-17
WO1997014235A1 (en) 1997-04-17
CN1140084C (zh) 2004-02-25
DE69634155T2 (de) 2006-01-05
AU7138996A (en) 1997-04-30
SG92637A1 (en) 2002-11-19
AU728399B2 (en) 2001-01-11
NO981525L (no) 1998-06-03
US5983174A (en) 1999-11-09
GB9520445D0 (en) 1995-12-06

Similar Documents

Publication Publication Date Title
KR19990064118A (ko) 소프트 디시젼 중첩 복호기내의 확인 및 프레임 신호 품질 검출방법 및 장치
CA2284638C (en) List output viterbi decoding with crc outer code for multi-rate signal
CN100382479C (zh) 掩蔽传输信道产生的差错的声码器数据设置的方法和系统
US5502713A (en) Soft error concealment in a TDMA radio system
US5923679A (en) Error correction encoder, error correction decoder, and communication system
US5327439A (en) Efficiency of the Viterbi algorithm
US5917837A (en) Method and apparatus for performing decoding of codes with the use of side information associated with the encoded data
JPH09288871A (ja) 誤り検出方法
US6519740B1 (en) Bit detection method in a radio communications system
JP3990278B2 (ja) 送信エラーに対して最適のビット保護を行う方法及び構成
US7716554B2 (en) System and method for blind transport format detection with cyclic redundancy check
JP2002517120A (ja) 簡単化されたチャンネルデコーダを有する伝送システム
US7043678B2 (en) Method for identifying bad frames
CN100505069C (zh) 检测数据中的错误的系统与方法
GB2252702A (en) Channel coding for speech
Tzeng et al. Error protection for low rate speech transmission over a mobile satellite channel
KR100893053B1 (ko) 길쌈 부호화 및 복호화를 위한 프레임 구성 및 에러 검출방법
Josie An alternative soft-decision decoder
HK1035976B (en) Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors
MXPA98009332A (en) Method for decoding data signals using length decision window f
HK1011110B (en) Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19980406

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20011004

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20030728

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20031223

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20030728

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I