FI940175A - Viterbi-algoritmeja extended list -lähdöllä ja soft-symbol -lähdöllä - Google Patents

Viterbi-algoritmeja extended list -lähdöllä ja soft-symbol -lähdöllä Download PDF

Info

Publication number
FI940175A
FI940175A FI940175A FI940175A FI940175A FI 940175 A FI940175 A FI 940175A FI 940175 A FI940175 A FI 940175A FI 940175 A FI940175 A FI 940175A FI 940175 A FI940175 A FI 940175A
Authority
FI
Finland
Prior art keywords
output
soft
extended list
symbol
viterbi algorithms
Prior art date
Application number
FI940175A
Other languages
English (en)
Swedish (sv)
Other versions
FI940175A0 (fi
Inventor
Christiane Gabriele Nill
Carl-Erik Wilhelm Sundberg
Original Assignee
American Telephone & Telegraph
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 American Telephone & Telegraph filed Critical American Telephone & Telegraph
Publication of FI940175A0 publication Critical patent/FI940175A0/fi
Publication of FI940175A publication Critical patent/FI940175A/fi

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/37Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4138Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions
    • H03M13/4146Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors soft-output Viterbi algorithm based decoding, i.e. Viterbi decoding with weighted decisions soft-output Viterbi decoding according to Battail and Hagenauer in which the soft-output is determined using path metric differences along the maximum-likelihood path, i.e. "SOVA" decoding
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/37Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4115Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors list output Viterbi decoding
FI940175A 1993-01-14 1994-01-13 Viterbi-algoritmeja extended list -lähdöllä ja soft-symbol -lähdöllä FI940175A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/004,360 US5537444A (en) 1993-01-14 1993-01-14 Extended list output and soft symbol output viterbi algorithms

Publications (2)

Publication Number Publication Date
FI940175A0 FI940175A0 (fi) 1994-01-13
FI940175A true FI940175A (fi) 1994-07-15

Family

ID=21710403

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940175A FI940175A (fi) 1993-01-14 1994-01-13 Viterbi-algoritmeja extended list -lähdöllä ja soft-symbol -lähdöllä

Country Status (7)

Country Link
US (1) US5537444A (fi)
EP (1) EP0606724A1 (fi)
JP (1) JPH0795099A (fi)
KR (1) KR940019106A (fi)
CA (1) CA2110244C (fi)
FI (1) FI940175A (fi)
NO (1) NO940081L (fi)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431237A1 (de) * 1994-09-02 1996-03-07 Bosch Gmbh Robert Verfahren zur Gewinnung von bitspezifischen Zuverlässigkeitsinformationen
ATE217461T1 (de) * 1994-10-31 2002-05-15 Koninkl Philips Electronics Nv Digitales übertragungs- und aufzeichungsystem mit einfacher fehlerkorrektur
FI950843A (fi) * 1995-02-23 1996-08-24 Nokia Telecommunications Oy Menetelmä yhteyden laadun määrittämiseksi sekä vastaanotin
US5684811A (en) * 1995-09-01 1997-11-04 Motorola, Inc. Method and apparatus for decoding convolutionally encoded information
US6028899A (en) * 1995-10-24 2000-02-22 U.S. Philips Corporation Soft-output decoding transmission system with reduced memory requirement
EP0771080B1 (en) * 1995-10-25 1999-01-13 Nec Corporation Maximum-likelihood decoding with soft decisions
US5889823A (en) * 1995-12-13 1999-03-30 Lucent Technologies Inc. Method and apparatus for compensation of linear or nonlinear intersymbol interference and noise correlation in magnetic recording channels
US5802116A (en) * 1996-04-04 1998-09-01 Lucent Technologies Inc. Soft decision Viterbi decoding with large constraint lengths
US5822340A (en) * 1996-05-10 1998-10-13 Telefonaktiebolaget Lm Ericsson Method for decoding data signals using fixed-length decision window
EP0861524B1 (en) * 1996-09-17 2002-11-27 Koninklijke Philips Electronics N.V. Transmission system with improved lock detection
US5809043A (en) * 1996-10-08 1998-09-15 Ericsson Inc. Method and apparatus for decoding block codes
JP3310185B2 (ja) * 1996-11-21 2002-07-29 松下電器産業株式会社 誤り訂正装置
US5881093A (en) * 1997-02-10 1999-03-09 Motorola, Inc. Method of interleaving a convolutionally coded signal in a spread spectrum communication system
FI102230B1 (fi) * 1997-02-28 1998-10-30 Nokia Telecommunications Oy Vastaanottomenetelmä ja vastaanotin
US5930272A (en) * 1997-06-10 1999-07-27 Efficient Channel Coding, Inc. Block decoding with soft output information
JP3180761B2 (ja) * 1997-07-23 2001-06-25 三菱電機株式会社 系列推定方法及び系列推定装置
US6081562A (en) 1997-10-22 2000-06-27 Hitachi Ltd. Implementing reduced-state viterbi detectors
JP3567067B2 (ja) * 1997-11-04 2004-09-15 株式会社日立グローバルストレージテクノロジーズ ディジタル磁気記録再生装置
US6029267A (en) * 1997-11-25 2000-02-22 Lucent Technologies Inc. Single-cycle, soft decision, compare-select operation using dual-add processor
US6108386A (en) * 1998-04-03 2000-08-22 Lucent Technologies Inc. List Viterbi algorithms for continuous data transmission
US6161210A (en) * 1998-04-03 2000-12-12 Lucent Technologies Inc. List Viterbi algorithms for tailbiting convolutional codes
US6105158A (en) * 1998-04-03 2000-08-15 Lucent Technologies, Inc. Screening for undetected errors in data transmission systems
US6272660B1 (en) 1998-04-03 2001-08-07 Agere Systems Guardian Corp. Screening for errors in data transmission systems
US6334202B1 (en) * 1998-07-22 2001-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Fast metric calculation for Viterbi decoder implementation
US6381728B1 (en) * 1998-08-14 2002-04-30 Qualcomm Incorporated Partitioned interleaver memory for map decoder
US6643338B1 (en) * 1998-10-07 2003-11-04 Texas Instruments Incorporated Space time block coded transmit antenna diversity for WCDMA
US6418549B1 (en) * 1998-10-30 2002-07-09 Merunetworks, Inc. Data transmission using arithmetic coding based continuous error detection
FI106416B (fi) * 1999-02-09 2001-01-31 Nokia Mobile Phones Ltd Menetelmä ja laite dekoodatun symbolisarjan luotettavuuden määrittämiseksi
FI106493B (fi) 1999-02-09 2001-02-15 Nokia Mobile Phones Ltd Menetelmä ja järjestelmä pakettimuotoisen datan luotettavaksi siirtämiseksi
US6499128B1 (en) 1999-02-18 2002-12-24 Cisco Technology, Inc. Iterated soft-decision decoding of block codes
US7031406B1 (en) 1999-08-09 2006-04-18 Nortel Networks Limited Information processing using a soft output Viterbi algorithm
US6405342B1 (en) 1999-09-10 2002-06-11 Western Digital Technologies, Inc. Disk drive employing a multiple-input sequence detector responsive to reliability metrics to improve a retry operation
DE69923970T2 (de) * 1999-09-14 2006-04-27 Lucent Technologies Inc. Kanaldecodiereinrichtung und Verfahren zum Kanaldecodieren
KR100580160B1 (ko) * 1999-09-14 2006-05-15 삼성전자주식회사 변형된 역추적 방식의 2단 연출력 비터비 알고리즘 복호화기
US6400290B1 (en) 1999-11-29 2002-06-04 Altera Corporation Normalization implementation for a logmap decoder
JP2001251200A (ja) * 2000-03-03 2001-09-14 Nec Corp 符号化方法
US7184486B1 (en) 2000-04-27 2007-02-27 Marvell International Ltd. LDPC encoder and decoder and method thereof
US6888897B1 (en) 2000-04-27 2005-05-03 Marvell International Ltd. Multi-mode iterative detector
US6594393B1 (en) * 2000-05-12 2003-07-15 Thomas P. Minka Dynamic programming operation with skip mode for text line image decoding
US7072417B1 (en) 2000-06-28 2006-07-04 Marvell International Ltd. LDPC encoder and method thereof
US7000177B1 (en) 2000-06-28 2006-02-14 Marvell International Ltd. Parity check matrix and method of forming thereof
US6965652B1 (en) 2000-06-28 2005-11-15 Marvell International Ltd. Address generator for LDPC encoder and decoder and method thereof
US20020034269A1 (en) * 2000-07-28 2002-03-21 Victor Demjanenko Use of soft-decision or sum-product inner coders to improve the performance of outer coders
US7117418B2 (en) 2000-09-11 2006-10-03 Comtech Aha Corporation Soft input-soft output forward error correction decoding for turbo codes
US7099411B1 (en) 2000-10-12 2006-08-29 Marvell International Ltd. Soft-output decoding method and apparatus for controlled intersymbol interference channels
US7020185B1 (en) 2000-11-28 2006-03-28 Lucent Technologies Inc. Method and apparatus for determining channel conditions in a communication system
US6973615B1 (en) 2000-12-15 2005-12-06 Conexant Systems, Inc. System of and method for decoding trellis codes
US6865711B2 (en) * 2000-12-15 2005-03-08 Conexant Systems, Inc. System of and method for decoding trellis codes
EP2627008A3 (en) 2000-12-29 2013-09-11 Intel Mobile Communications GmbH Channel codec processor configurable for multiple wireless communications standards
US6708308B2 (en) 2001-01-10 2004-03-16 International Business Machines Corporation Soft output viterbi algorithm (SOVA) with error filters
US6823027B2 (en) 2001-03-05 2004-11-23 Telefonaktiebolaget Lm Ericsson (Publ) Method for enhancing soft-value information
US6691263B2 (en) * 2001-05-03 2004-02-10 Agere Systems Inc. Interative decoding based on dominant error events
US7398451B2 (en) * 2001-08-09 2008-07-08 Adaptive Networks, Inc. Error correction process and mechanism
KR20040065559A (ko) * 2001-11-13 2004-07-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 가변 길이 코드워드 시퀀스를 디코딩하는 방법
JP2003152553A (ja) * 2001-11-13 2003-05-23 Ntt Docomo Inc 復号方法及び通信装置
AU2003263514A1 (en) * 2002-10-30 2004-05-25 Koninklijke Philips Electronics N.V. Trellis-based receiver
US7346833B2 (en) * 2002-11-05 2008-03-18 Analog Devices, Inc. Reduced complexity turbo decoding scheme
US7103831B1 (en) 2003-01-22 2006-09-05 Conexant Systems, Inc. Burst reliability and error locator for trellis codes
US7577892B1 (en) 2005-08-25 2009-08-18 Marvell International Ltd High speed iterative decoder
US7861131B1 (en) 2005-09-01 2010-12-28 Marvell International Ltd. Tensor product codes containing an iterative code
US20080123210A1 (en) * 2006-11-06 2008-05-29 Wei Zeng Handling synchronization errors potentially experienced by a storage device
CN101558626A (zh) * 2006-12-12 2009-10-14 维斯塔斯风力系统有限公司 多协议风力涡轮机系统和方法
ES2281309B2 (es) * 2007-04-19 2008-03-01 Universidad Politecnica De Madrid Procedimiento y arquitectura electronica para la deteccion sova optimabasado en el rastreo de puntos de fusion.
US20090016469A1 (en) * 2007-07-11 2009-01-15 The Hong Kong University Of Science And Technology Robust joint erasure marking and list viterbi algorithm decoder
US7752531B2 (en) * 2007-09-12 2010-07-06 Seagate Technology Llc Defect sensing Viterbi based detector
US8127216B2 (en) * 2007-11-19 2012-02-28 Seagate Technology Llc Reduced state soft output processing
US20090132894A1 (en) * 2007-11-19 2009-05-21 Seagate Technology Llc Soft Output Bit Threshold Error Correction
US8321769B1 (en) 2008-11-06 2012-11-27 Marvell International Ltd. Multi-parity tensor-product code for data channel
EP2442451A1 (en) * 2009-08-18 2012-04-18 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Soft output Viterbi algorithm method and decoder
WO2011033237A1 (fr) * 2009-09-17 2011-03-24 France Telecom Procede de transmission d'un signal numerique pour un systeme marc avec relais full-duplex, produit programme et dispositif relais correspondants
US9362933B1 (en) 2011-07-12 2016-06-07 Marvell International Ltd. Noise-predictive detector adaptation with corrected data
US9286894B1 (en) * 2012-01-31 2016-03-15 Google Inc. Parallel recognition
JP6155959B2 (ja) * 2013-08-19 2017-07-05 富士通株式会社 復号化装置、及び、復号化方法
KR102375951B1 (ko) 2015-07-29 2022-03-17 삼성전자주식회사 오류 감소를 위한 디코딩 장치 및 방법
US11336306B2 (en) 2018-06-08 2022-05-17 Nec Corporation Decoding apparatus, decoding method, and non-transitory computer readable medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660214A (en) * 1985-08-01 1987-04-21 Infinet, Inc. QANI Trellis-coded signal structure
DE3910739C3 (de) * 1989-04-03 1996-11-21 Deutsche Forsch Luft Raumfahrt Verfahren zum Verallgemeinern des Viterbi-Algorithmus und Einrichtungen zur Durchführung des Verfahrens
CA2020899C (en) * 1989-08-18 1995-09-05 Nambirajan Seshadri Generalized viterbi decoding algorithms
US5208816A (en) * 1989-08-18 1993-05-04 At&T Bell Laboratories Generalized viterbi decoding algorithms
US5263033A (en) * 1990-06-22 1993-11-16 At&T Bell Laboratories Joint data and channel estimation using fast blind trellis search

Also Published As

Publication number Publication date
FI940175A0 (fi) 1994-01-13
CA2110244C (en) 1998-09-22
CA2110244A1 (en) 1994-07-15
JPH0795099A (ja) 1995-04-07
NO940081L (no) 1994-07-15
NO940081D0 (no) 1994-01-10
EP0606724A1 (en) 1994-07-20
KR940019106A (ko) 1994-08-19
US5537444A (en) 1996-07-16

Similar Documents

Publication Publication Date Title
FI940175A0 (fi) Viterbi-algoritmeja extended list -lähdöllä ja soft-symbol -lähdöllä
FI932402A0 (fi) Foerfarande och anordning foer saendning, mottagning och oeverfoering av datasignaler med motsvarande programdatasignaler
DE59208263D1 (de) 3-Aryl-4-hydroxy-delta3-dihydrofuranon- und 3-Aryl-4-hydroxy-delta3-dihydrothiophenon-Derivate
NO985227D0 (no) Alkylaminobenzothiazol og -benzoksazol - derivater
FI952063A (fi) Peneemejä, joissa 6-metyyleeni on substituoitu, ja välituotteita
DE59108611D1 (de) Picolinoxide
FI971376A0 (fi) Trofinin och trofininmedlande proteiner
IT1288262B1 (it) Fresa bitagliente monoinserto ad elevata robustezza e precisione
NO922934D0 (no) Cykloheksan- og tetrahydropyranderivater
FI935559A0 (fi) Foerfarande foer faestning av haordmetallstift i en borrkrona och en borrkrona
DE69032674T2 (de) Bereichs- und Textkodierung
DE69119398T2 (de) Kontrollwaagen mit Längenberücksichtigung
BR9205281A (pt) Pentapeptideos imuno-reguladores e neuro-reguladores
ITMI921694A0 (it) Tegole canale perfezionate e tettoia realizzata con queste tegole
FI1031U1 (fi) En troakar
FI950720A0 (fi) Foerfarande foer framstaellning av ett konstruktionselement och med foerfarande framstaellt konstruktionselement
FI97921B (fi) Integroitu akku-kondensaattori sekä sen käyttö
KR950009251U (ko) 거울 및 사물꽂이가 형성된 선풍기
FI944556A0 (fi) Foerfarande foer producering av antracykliner och deras mellanprodukter
DK75794A (da) Fryseapparat samt anvendelse af samme
KR910018410U (ko) 길이조절 및 개폐 가능한 난간
BR9002261A (pt) Termokit-aquecedor e microsecadora
KR960000225U (ko) 선풍기를 내부에 부착한 우산
FI962064A0 (fi) Kantokassi ja sen käyttö
FI962741A0 (fi) Sollins och braennpunktsvaermare i kombination med vaermeackumulator