FI114515B - Menetelmä ja laite dekooderin optimoimiseksi - Google Patents

Menetelmä ja laite dekooderin optimoimiseksi Download PDF

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Publication number
FI114515B
FI114515B FI962030A FI962030A FI114515B FI 114515 B FI114515 B FI 114515B FI 962030 A FI962030 A FI 962030A FI 962030 A FI962030 A FI 962030A FI 114515 B FI114515 B FI 114515B
Authority
FI
Finland
Prior art keywords
bits
bit
candidate
message
error detection
Prior art date
Application number
FI962030A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI962030A0 (fi
FI962030A (fi
Inventor
Paul W Dent
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of FI962030A0 publication Critical patent/FI962030A0/fi
Publication of FI962030A publication Critical patent/FI962030A/fi
Application granted granted Critical
Publication of FI114515B publication Critical patent/FI114515B/fi

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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
    • 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
    • H04L1/0057—Block 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Semiconductor Lasers (AREA)
FI962030A 1994-09-14 1996-05-13 Menetelmä ja laite dekooderin optimoimiseksi FI114515B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30573094 1994-09-14
US08/305,730 US5577053A (en) 1994-09-14 1994-09-14 Method and apparatus for decoder optimization
PCT/US1995/011687 WO1996008895A1 (fr) 1994-09-14 1995-09-13 Dispositif et procede servant a optimiser un decodeur
US9511687 1995-09-13

Publications (3)

Publication Number Publication Date
FI962030A0 FI962030A0 (fi) 1996-05-13
FI962030A FI962030A (fi) 1996-07-11
FI114515B true FI114515B (fi) 2004-10-29

Family

ID=23182088

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962030A FI114515B (fi) 1994-09-14 1996-05-13 Menetelmä ja laite dekooderin optimoimiseksi

Country Status (9)

Country Link
US (1) US5577053A (fr)
EP (1) EP0728390B1 (fr)
JP (1) JP3652701B2 (fr)
CN (1) CN1083189C (fr)
AT (1) ATE265770T1 (fr)
AU (1) AU3676295A (fr)
DE (1) DE69532949T2 (fr)
FI (1) FI114515B (fr)
WO (1) WO1996008895A1 (fr)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784392A (en) * 1995-06-26 1998-07-21 Nokia Mobile Phones Ltd. Viterbi decoder with l=2 best decoding paths
US5721745A (en) * 1996-04-19 1998-02-24 General Electric Company Parallel concatenated tail-biting convolutional code and decoder therefor
US5721746A (en) * 1996-04-19 1998-02-24 General Electric Company Optimal soft-output decoder for tail-biting trellis codes
US5910182A (en) * 1996-05-03 1999-06-08 Ericsson Inc. Data communications systems and methods using interspersed error detection bits
US5917837A (en) * 1996-09-11 1999-06-29 Qualcomm, Incorporated Method and apparatus for performing decoding of codes with the use of side information associated with the encoded data
US5745502A (en) * 1996-09-27 1998-04-28 Ericsson, Inc. Error detection scheme for ARQ systems
UA53669C2 (uk) * 1996-11-18 2003-02-17 Сіменс Акцієнгезельшафт Спосіб та система базової станції для конфігурування радіоінтерфейсу між мобільною станцією та базовою станцією мобільної радіосистеми пакетної передачі даних з часовим мультиплексуванням
US6208655B1 (en) 1996-11-27 2001-03-27 Sony Europa, B.V., Method and apparatus for serving data
US6094465A (en) * 1997-03-21 2000-07-25 Qualcomm Incorporated Method and apparatus for performing decoding of CRC outer concatenated codes
US5938787A (en) * 1997-03-27 1999-08-17 Ericsson Inc. Communications systems and methods employing code rate partitioning with nonorthogonal modulation
JP3239795B2 (ja) * 1997-04-23 2001-12-17 三菱電機株式会社 誤り訂正復号装置および誤り訂正復号方式
US6085349A (en) * 1997-08-27 2000-07-04 Qualcomm Incorporated Method for selecting cyclic redundancy check polynomials for linear coded systems
US6581170B1 (en) 1997-10-23 2003-06-17 Sony Corporation Source coding to provide for robust error recovery during transmission losses
US6282684B1 (en) * 1997-10-23 2001-08-28 Sony Corporation Apparatus and method for recovery of data in a lossy transmission environment
US6298085B1 (en) 1997-10-23 2001-10-02 Sony Corporation Source encoding using shuffling of data to provide robust error recovery in a burst error-environment
FI104769B (fi) * 1997-12-01 2000-03-31 Nokia Networks Oy Menetelmä ja laitteisto loogisen kanavan tunnistamiseksi
US6141388A (en) * 1998-03-11 2000-10-31 Ericsson Inc. Received signal quality determination method and systems for convolutionally encoded communication channels
US6347125B1 (en) 1999-01-11 2002-02-12 Ericsson Inc. Reduced complexity demodulator for multi-bit symbols
US6307979B1 (en) 1999-02-12 2001-10-23 Sony Corporation Classified adaptive error recovery method and apparatus
US6307560B1 (en) 1999-02-12 2001-10-23 Sony Corporation Classified adaptive spatio-temporal format conversion method and apparatus
US6519369B1 (en) 1999-02-12 2003-02-11 Sony Corporation Method and apparatus for filter tap expansion
US7010737B2 (en) * 1999-02-12 2006-03-07 Sony Corporation Method and apparatus for error data recovery
US6418548B1 (en) 1999-02-12 2002-07-09 Sony Corporation Method and apparatus for preprocessing for peripheral erroneous data
US6535148B1 (en) 1999-02-12 2003-03-18 Sony Corporation Method and apparatus for truncated decoding
US6363118B1 (en) 1999-02-12 2002-03-26 Sony Corporation Apparatus and method for the recovery of compression constants in the encoded domain
US6170074B1 (en) 1999-02-12 2001-01-02 Sony Corporation Source coding to provide for robust error recovery
US6591398B1 (en) 1999-02-12 2003-07-08 Sony Corporation Multiple processing system
US6621936B1 (en) 1999-02-12 2003-09-16 Sony Corporation Method and apparatus for spatial class reduction
US6389562B1 (en) 1999-06-29 2002-05-14 Sony Corporation Source code shuffling to provide for robust error recovery
US6493842B1 (en) 1999-06-29 2002-12-10 Sony Corporation Time-varying randomization for data synchronization and implicit information transmission
US6473876B1 (en) 1999-06-29 2002-10-29 Sony Corporation Method and apparatus for encoding of bitstreams using rotation
US6549672B1 (en) 1999-06-29 2003-04-15 Sony Corporation Method and apparatus for recovery of encoded data using central value
US6351494B1 (en) 1999-09-24 2002-02-26 Sony Corporation Classified adaptive error recovery method and apparatus
US6522785B1 (en) 1999-09-24 2003-02-18 Sony Corporation Classified adaptive error recovery method and apparatus
US6539517B1 (en) 1999-11-09 2003-03-25 Sony Corporation Data transformation for explicit transmission of control information
US6754371B1 (en) 1999-12-07 2004-06-22 Sony Corporation Method and apparatus for past and future motion classification
JP3286289B2 (ja) * 1999-12-28 2002-05-27 松下電器産業株式会社 Ｃｄｍａ受信装置及び誤り訂正方法
US6484285B1 (en) 2000-02-07 2002-11-19 Ericsson, Inc. Tailbiting decoder and method
US7080307B2 (en) * 2000-03-02 2006-07-18 Kawasaki Steel Corporation Error correction decoder with correction of lowest soft decisions
US6542559B1 (en) * 2000-05-15 2003-04-01 Qualcomm, Incorporated Decoding method and apparatus
US6606726B1 (en) * 2000-06-13 2003-08-12 Telefonaktiebolaget L M Ericsson (Publ) Optimization of acceptance of erroneous codewords and throughput
JP2002247025A (ja) * 2001-02-22 2002-08-30 Hitachi Ltd 情報処理装置
GB2377142A (en) * 2001-06-29 2002-12-31 Motorola Inc Encoder for generating an error checkword
AU2002363786B2 (en) * 2001-10-17 2007-10-04 General Electric Company Signal error detection in railroad communication system
GB2387302B (en) * 2002-04-05 2005-11-30 Phyworks Ltd Error correcting decoder
US7278128B1 (en) * 2003-04-11 2007-10-02 Xilinx, Inc. Method of altering a bitstream
US7191385B2 (en) * 2003-04-24 2007-03-13 Locus Location Systems, Llc Error correction in a locating method and system
SG113465A1 (en) * 2003-05-30 2005-08-29 Oki Techno Ct Singapore Pte Method of estimating reliability of decoded message bits
US7392459B2 (en) * 2004-04-14 2008-06-24 Lucent Technologies Inc. Method and apparatus for preventing a false pass of a cyclic redundancy check at a receiver during weak receiving conditions in a wireless communications system
US7646829B2 (en) * 2004-12-23 2010-01-12 Agere Systems, Inc. Composite data detector and a method for detecting data
US7469373B2 (en) * 2005-02-17 2008-12-23 Broadcom Corporation Application of a Meta-Viterbi algorithm for communication systems without intersymbol interference
JP4597700B2 (ja) 2005-02-21 2010-12-15 株式会社リコー 画像形成装置
US7712013B2 (en) * 2005-03-18 2010-05-04 Intel Corporation Block decoding methods and apparatus
KR100734307B1 (ko) * 2006-01-23 2007-07-02 삼성전자주식회사 포스트 비터비 에러 정정 방법 및 이에 적합한 장치
JP5251000B2 (ja) * 2006-11-01 2013-07-31 富士通株式会社 誤り訂正回路及び媒体記憶装置
EP1973256A1 (fr) 2007-03-22 2008-09-24 Nxp B.V. Détection d'erreurs
CN102299778B (zh) * 2007-08-21 2014-02-19 华为技术有限公司 反馈方法、反馈信息的区分方法及装置
US8000411B2 (en) * 2008-01-04 2011-08-16 Qualcomm Incorporated Decoding scheme using multiple hypotheses about transmitted messages
JP4922242B2 (ja) * 2008-06-05 2012-04-25 パナソニック株式会社 符号化装置、符号化方法、及びビタビ復号装置
US8181098B2 (en) * 2008-06-11 2012-05-15 Freescale Semiconductor, Inc. Error correcting Viterbi decoder
US8099657B2 (en) * 2008-07-11 2012-01-17 Freescale Semiconductor, Inc. Error correcting Viterbi decoder
US20120079349A1 (en) * 2010-09-24 2012-03-29 Arkady Bramnik Method and apparatus for multi-bit upset protection
RU2706171C1 (ru) * 2019-01-25 2019-11-14 Федеральное государственное казенное военное образовательное учреждение высшего образования Академия Федеральной службы охраны Российской Федерации Способ декодирования блочных помехоустойчивых кодов по критерию минимального среднего риска
CN116722954B (zh) * 2023-08-08 2023-10-20 珠海星云智联科技有限公司 一种编解码验证系统、方法、设备以及存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134071A (en) * 1971-07-19 1979-01-09 Licentia Patent-Verwaltungs-G.M.B.H. SSMA Data transmission system
US4108359A (en) * 1977-03-30 1978-08-22 The United States Of America As Represented By The Secretary Of The Army Apparatus for verifying the execution of a sequence of coded instructions
GB2033699B (en) * 1978-11-01 1982-11-10 Philips Electronic Associated Error detection
US4368534A (en) * 1979-01-29 1983-01-11 General Signal Corporation Keyboard controlled vital digital communication system
US4307463A (en) * 1980-02-08 1981-12-22 General Signal Corporation Vital rate decoder
JPS5710558A (en) * 1980-06-20 1982-01-20 Sony Corp Error correcting method
JPS6333028A (ja) * 1986-07-26 1988-02-12 Nec Corp 信号検出方式
US4949273A (en) * 1988-11-04 1990-08-14 General Signal Corporation Vital processing system including a vital power controller with forgiveness feature
US5208816A (en) * 1989-08-18 1993-05-04 At&T Bell Laboratories Generalized viterbi decoding algorithms
FI84866C (fi) * 1990-03-12 1992-01-27 Nokia Mobile Phones Ltd Foerbaettring av en viterbi-algoritm.
US5230003A (en) * 1991-02-08 1993-07-20 Ericsson-Ge Mobile Communications Holding, Inc. Decoding system for distinguishing different types of convolutionally-encoded signals
US5349589A (en) * 1991-07-01 1994-09-20 Ericsson Ge Mobile Communications Inc. Generalized viterbi algorithm with tail-biting
JPH05199124A (ja) * 1992-01-21 1993-08-06 Nec Corp 音声通信方式
EP0609934B1 (fr) * 1993-02-01 1999-04-07 Koninklijke Philips Electronics N.V. Récepteur de télévision muni d'un décodeur de télétexte
US5355376A (en) * 1993-02-11 1994-10-11 At&T Bell Laboratories Circular viterbi decoder

Also Published As

Publication number Publication date
JPH09509808A (ja) 1997-09-30
AU3676295A (en) 1996-03-29
CN1138396A (zh) 1996-12-18
JP3652701B2 (ja) 2005-05-25
DE69532949D1 (de) 2004-06-03
ATE265770T1 (de) 2004-05-15
CN1083189C (zh) 2002-04-17
DE69532949T2 (de) 2005-05-25
WO1996008895A1 (fr) 1996-03-21
EP0728390A1 (fr) 1996-08-28
US5577053A (en) 1996-11-19
FI962030A0 (fi) 1996-05-13
FI962030A (fi) 1996-07-11
EP0728390B1 (fr) 2004-04-28

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