NO971594L - Fremgangsmåte og apparat for feilkorreksjon - Google Patents

Fremgangsmåte og apparat for feilkorreksjon

Info

Publication number
NO971594L
NO971594L NO971594A NO971594A NO971594L NO 971594 L NO971594 L NO 971594L NO 971594 A NO971594 A NO 971594A NO 971594 A NO971594 A NO 971594A NO 971594 L NO971594 L NO 971594L
Authority
NO
Norway
Prior art keywords
procedure
error correction
correction
error
Prior art date
Application number
NO971594A
Other languages
English (en)
Norwegian (no)
Other versions
NO971594D0 (no
Inventor
Kazuo Shida
Mitsuru Uesugi
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 NO971594D0 publication Critical patent/NO971594D0/no
Publication of NO971594L publication Critical patent/NO971594L/no

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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2927—Decoding strategies
    • 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
    • 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
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
NO971594A 1996-04-19 1997-04-08 Fremgangsmåte og apparat for feilkorreksjon NO971594L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09846996A JP3340618B2 (ja) 1996-04-19 1996-04-19 誤り検出方法

Publications (2)

Publication Number Publication Date
NO971594D0 NO971594D0 (no) 1997-04-08
NO971594L true NO971594L (no) 1997-10-20

Family

ID=14220540

Family Applications (1)

Application Number Title Priority Date Filing Date
NO971594A NO971594L (no) 1996-04-19 1997-04-08 Fremgangsmåte og apparat for feilkorreksjon

Country Status (5)

Country Link
US (1) US5968201A (de)
EP (1) EP0802636B1 (de)
JP (1) JP3340618B2 (de)
DE (1) DE69730894T2 (de)
NO (1) NO971594L (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318912B1 (ko) * 1999-04-28 2002-01-04 윤종용 이동통신시스템에서 구성복호기의 상태값 정규화 장치 및 방법
US6378106B1 (en) * 1999-05-28 2002-04-23 Lucent Technologies Inc. Viterbi decoding using single-wrong-turn correction
JP4315558B2 (ja) * 2000-01-13 2009-08-19 オリンパス株式会社 システム
JP3297668B2 (ja) 2000-04-26 2002-07-02 松下電器産業株式会社 符号／復号化装置及び符号／復号化方法
GB2390513A (en) * 2002-07-02 2004-01-07 Hewlett Packard Co Improved error detection using forward error correction and a CRC check
KR100899735B1 (ko) 2002-07-03 2009-05-27 삼성전자주식회사 이동 통신 시스템에서 적응적 전송 안테나 다이버시티장치 및 방법
JP4006294B2 (ja) 2002-08-07 2007-11-14 富士通株式会社 タイミングリカバリ方法及び記憶装置
GB2396083A (en) * 2002-12-03 2004-06-09 Matsushita Electric Ind Co Ltd Frame error detection
JP2005348412A (ja) * 2004-06-02 2005-12-15 Samsung Electronics Co Ltd 移動通信システムにおける時分割多重フレームを検出する装置及び方法
US8046662B2 (en) 2004-08-20 2011-10-25 Broadcom Corporation Method and system for decoding control data in GSM-based systems using inherent redundancy
US7716565B2 (en) * 2004-08-20 2010-05-11 Broadcom Corporation Method and system for decoding video, voice, and speech data using redundancy
KR20080070366A (ko) * 2007-01-26 2008-07-30 엘지전자 주식회사 데이터 인코딩/디코딩 방법 및 장치와, 데이터 기록/재생방법 및 장치
US7840873B2 (en) * 2006-12-13 2010-11-23 Globalfoundries Inc. Partial CRC insertion in data packets for early forwarding
US7881303B2 (en) 2006-12-13 2011-02-01 GlobalFoundries, Inc. Command packet packing to mitigate CRC overhead
US20110083065A1 (en) * 2009-10-01 2011-04-07 Telefonaktiebolaget L M Ericsson (Publ) False Detection Reduction in Communication Systems
CN102684820B (zh) * 2011-03-16 2016-03-09 深圳市中兴微电子技术有限公司 物理下行控制信道误检测判断方法及装置
US9558062B2 (en) 2014-07-28 2017-01-31 Qualcomm Incorporated Cyclic redundancy check (CRC) false detection reduction in communication systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01209827A (ja) * 1988-02-17 1989-08-23 Matsushita Electric Ind Co Ltd 復号化装置
JP2618023B2 (ja) * 1988-10-24 1997-06-11 松下電器産業株式会社 音声信号復調回路
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
JP2591242B2 (ja) * 1990-04-02 1997-03-19 松下電器産業株式会社 誤り検出方法
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
FI94810C (fi) * 1993-10-11 1995-10-25 Nokia Mobile Phones Ltd Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
US5502713A (en) * 1993-12-07 1996-03-26 Telefonaktiebolaget Lm Ericsson Soft error concealment in a TDMA radio system
SE504396C2 (sv) * 1994-04-28 1997-01-27 Ericsson Telefon Ab L M Detektering av felaktigt mottagna dataramar i ett kommunikationssystem

Also Published As

Publication number Publication date
EP0802636A3 (de) 2001-01-31
NO971594D0 (no) 1997-04-08
EP0802636B1 (de) 2004-09-29
DE69730894T2 (de) 2006-02-23
JPH09288871A (ja) 1997-11-04
US5968201A (en) 1999-10-19
JP3340618B2 (ja) 2002-11-05
DE69730894D1 (de) 2004-11-04
EP0802636A2 (de) 1997-10-22

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application