DE69918562D1 - Turbo produktkode decodierer - Google Patents

Turbo produktkode decodierer

Info

Publication number
DE69918562D1
DE69918562D1 DE69918562T DE69918562T DE69918562D1 DE 69918562 D1 DE69918562 D1 DE 69918562D1 DE 69918562 T DE69918562 T DE 69918562T DE 69918562 T DE69918562 T DE 69918562T DE 69918562 D1 DE69918562 D1 DE 69918562D1
Authority
DE
Germany
Prior art keywords
product code
code decoder
hard decision
decision vector
turbo product
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.)
Expired - Lifetime
Application number
DE69918562T
Other languages
English (en)
Inventor
Eric Hewitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comtech Telecommunications Corp
Original Assignee
Comtech Telecommunications Corp
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 Comtech Telecommunications Corp filed Critical Comtech Telecommunications Corp
Application granted granted Critical
Publication of DE69918562D1 publication Critical patent/DE69918562D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03M13/29Coding, 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
    • H03M13/2957Turbo codes and decoding
    • H03M13/296Particular turbo code structure
    • H03M13/2963Turbo-block codes, i.e. turbo codes based on block codes, e.g. turbo decoding of product codes
    • 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
    • H03M13/29Coding, 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
    • H03M13/2906Coding, 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
    • H03M13/2918Coding, 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 with error correction codes in three or more dimensions, e.g. 3-dimensional product code where the bits are arranged in a cube
    • 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
    • H03M13/45Soft decoding, i.e. using symbol reliability information
    • 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
    • H03M13/65Purpose and implementation aspects
    • H03M13/6577Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/6583Normalization other than scaling, e.g. by subtraction
    • H03M13/6586Modulo/modular normalization, e.g. 2's complement modulo implementations
    • 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
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error 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
    • H03M13/13Linear codes
    • H03M13/19Single error correction without using particular properties of the cyclic codes, e.g. Hamming codes, extended or generalised Hamming codes
    • 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
    • H03M13/61Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
    • H03M13/618Shortening and extension of codes

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Details Of Television Scanning (AREA)
  • Detection And Correction Of Errors (AREA)
DE69918562T 1998-09-28 1999-09-27 Turbo produktkode decodierer Expired - Lifetime DE69918562D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10216898P 1998-09-28 1998-09-28
PCT/US1999/022441 WO2000019616A2 (en) 1998-09-28 1999-09-27 Turbo product code decoder

Publications (1)

Publication Number Publication Date
DE69918562D1 true DE69918562D1 (de) 2004-08-12

Family

ID=22288467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918562T Expired - Lifetime DE69918562D1 (de) 1998-09-28 1999-09-27 Turbo produktkode decodierer

Country Status (8)

Country Link
US (2) US6526538B1 (de)
EP (2) EP1118159B1 (de)
JP (1) JP2002526965A (de)
AT (1) ATE270795T1 (de)
CA (1) CA2344046C (de)
DE (1) DE69918562D1 (de)
HK (1) HK1041373A1 (de)
WO (1) WO2000019616A2 (de)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118159B1 (de) 1998-09-28 2004-07-07 Comtech Telecommunications Corp. Turbo produktkode decodierer
US7035897B1 (en) 1999-01-15 2006-04-25 California Institute Of Technology Wireless augmented reality communication system
US7016401B1 (en) * 1999-12-22 2006-03-21 Motorola, Inc Method and apparatus for automated correlation of digital modulation impairment
IL133896A0 (en) * 2000-01-06 2001-04-30 Telescicom Ltd Method and system for encoding data for transmission channels
US6810502B2 (en) * 2000-01-28 2004-10-26 Conexant Systems, Inc. Iteractive decoder employing multiple external code error checks to lower the error floor
US7356752B2 (en) * 2000-03-14 2008-04-08 Comtech Telecommunications Corp. Enhanced turbo product codes
AU2001289296A1 (en) * 2000-04-04 2001-10-15 Advanced Hardware Architectures, Inc. Enhanced turbo product code decoder system
US6888897B1 (en) 2000-04-27 2005-05-03 Marvell International Ltd. Multi-mode iterative detector
US7184486B1 (en) 2000-04-27 2007-02-27 Marvell International Ltd. LDPC encoder and decoder and method thereof
US6728927B2 (en) * 2000-05-26 2004-04-27 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Method and system for high-spread high-distance interleaving for turbo-codes
US6965652B1 (en) 2000-06-28 2005-11-15 Marvell International Ltd. Address generator for LDPC encoder and decoder and method thereof
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
US7099411B1 (en) 2000-10-12 2006-08-29 Marvell International Ltd. Soft-output decoding method and apparatus for controlled intersymbol interference channels
US7120213B2 (en) * 2000-10-27 2006-10-10 Texas Instruments Incorporated Using SISO decoder feedback to produce symbol probabilities for use in wireless communications that utilize single encoder turbo coding and transmit diversity
FR2816773B1 (fr) * 2000-11-10 2004-11-26 France Telecom Module, dispositif et procede de decodage a haut debit, d'un code concatene
JP3540224B2 (ja) * 2001-03-06 2004-07-07 シャープ株式会社 ターボ復号器とターボ復号方法及びその方法を記憶した記憶媒体
EP1407555A1 (de) * 2001-05-09 2004-04-14 Comtech Telecommunications Corp. Wenig dichte paritätsprüfcodes und wenig dichte turboproduktcodes
US7389463B2 (en) * 2001-05-29 2008-06-17 Thomson Licensing Hierarchical block coding for a packet-based communications system
US6633856B2 (en) * 2001-06-15 2003-10-14 Flarion Technologies, Inc. Methods and apparatus for decoding LDPC codes
US7673223B2 (en) 2001-06-15 2010-03-02 Qualcomm Incorporated Node processors for use in parity check decoders
US6775801B2 (en) * 2001-09-26 2004-08-10 Texas Instruments Incorporated Turbo decoder extrinsic normalization
US6883131B2 (en) * 2001-09-28 2005-04-19 Sun Microsystems, Inc. XOR processing incorporating error correction code data protection
AU2002334863A1 (en) * 2001-10-04 2003-04-14 Comtech Aha Corporation Method of decoding a turbo product code utilizing a scalable and hardware efficient forward error correction decoder
US20030093740A1 (en) * 2001-10-19 2003-05-15 Nebojsa Stojanovic Iterative hard decoding method for multidimensional SPC
US20030093741A1 (en) * 2001-11-14 2003-05-15 Cenk Argon Parallel decoder for product codes
FR2834146A1 (fr) * 2001-12-20 2003-06-27 St Microelectronics Sa Turbo-decodeur compact a haute efficacite
JP3889286B2 (ja) * 2002-01-31 2007-03-07 三菱電機株式会社 復号方法、復号装置及びディジタル伝送システム
CN100514866C (zh) * 2002-06-21 2009-07-15 汤姆森特许公司 前向纠错的方法
AU2002320749A1 (en) * 2002-07-01 2004-01-19 Linkair Communications, Inc. Iterative decoding method and apparatus for product code based on adjoint formula
KR100703307B1 (ko) * 2002-08-06 2007-04-03 삼성전자주식회사 터보 복호화 장치 및 방법
US6961888B2 (en) * 2002-08-20 2005-11-01 Flarion Technologies, Inc. Methods and apparatus for encoding LDPC codes
US7100101B1 (en) * 2002-11-08 2006-08-29 Xilinx, Inc. Method and apparatus for concatenated and interleaved turbo product code encoding and decoding
US7296212B1 (en) * 2002-11-15 2007-11-13 Broadwing Corporation Multi-dimensional irregular array codes and methods for forward error correction, and apparatuses and systems employing such codes and methods
US20040157626A1 (en) * 2003-02-10 2004-08-12 Vincent Park Paging methods and apparatus
US6957375B2 (en) * 2003-02-26 2005-10-18 Flarion Technologies, Inc. Method and apparatus for performing low-density parity-check (LDPC) code operations using a multi-level permutation
US20070234178A1 (en) * 2003-02-26 2007-10-04 Qualcomm Incorporated Soft information scaling for interactive decoding
AU2003261440C1 (en) * 2003-02-26 2010-06-03 Qualcomm Incorporated Soft information scaling for iterative decoding
US6931583B2 (en) * 2003-03-21 2005-08-16 Arraycomm, Inc. Decoding extended error correcting codes using soft information
JP3892872B2 (ja) * 2003-03-31 2007-03-14 富士通株式会社 ターボ復号器
US8196000B2 (en) * 2003-04-02 2012-06-05 Qualcomm Incorporated Methods and apparatus for interleaving in a block-coherent communication system
US7434145B2 (en) * 2003-04-02 2008-10-07 Qualcomm Incorporated Extracting soft information in a block-coherent communication system
US7231557B2 (en) * 2003-04-02 2007-06-12 Qualcomm Incorporated Methods and apparatus for interleaving in a block-coherent communication system
US7738736B2 (en) * 2003-05-09 2010-06-15 Inphase Technologies, Inc. Methods and systems for holographic data recovery
IL157885A0 (en) * 2003-09-11 2004-03-28 Bamboo Mediacasting Ltd Iterative forward error correction
US7237181B2 (en) * 2003-12-22 2007-06-26 Qualcomm Incorporated Methods and apparatus for reducing error floors in message passing decoders
US7383484B2 (en) * 2004-03-12 2008-06-03 Seagate Technology Llc Cyclic redundancy check based message passing in turbo product code decoding
US7441175B2 (en) * 2004-03-12 2008-10-21 Seagate Technology Llc Turbo product code implementation and decoding termination method and apparatus
US7415659B2 (en) * 2004-05-07 2008-08-19 Comtech Aha Corporation SISO decoder
US7415651B2 (en) * 2004-06-02 2008-08-19 Seagate Technology Data communication system with multi-dimensional error-correction product codes
US7395490B2 (en) 2004-07-21 2008-07-01 Qualcomm Incorporated LDPC decoding methods and apparatus
US7346832B2 (en) * 2004-07-21 2008-03-18 Qualcomm Incorporated LDPC encoding methods and apparatus
US7310767B2 (en) 2004-07-26 2007-12-18 Motorola, Inc. Decoding block codes
US7260762B2 (en) 2004-07-26 2007-08-21 Motorola, Inc. Decoder performance for block product codes
US7127659B2 (en) * 2004-08-02 2006-10-24 Qualcomm Incorporated Memory efficient LDPC decoding methods and apparatus
JP4494238B2 (ja) * 2005-02-03 2010-06-30 株式会社エヌ・ティ・ティ・ドコモ Mimo多重送信装置およびmimo多重送信方法
US7571369B2 (en) * 2005-02-17 2009-08-04 Samsung Electronics Co., Ltd. Turbo decoder architecture for use in software-defined radio systems
FR2888062A1 (fr) * 2005-07-04 2007-01-05 Groupe Ecoles Telecomm Codeur et turbo decodeur de code produit
US7861131B1 (en) 2005-09-01 2010-12-28 Marvell International Ltd. Tensor product codes containing an iterative code
US20070071139A1 (en) * 2005-09-23 2007-03-29 Guner Arslan Channel decoding using hard and soft decisions
EP1980074A4 (de) * 2006-02-13 2012-12-19 Digital Fountain Inc Kontinuierliche vorwärtsfehlerkorrektur-übertragung mit summierung paralleler datenströme zur berechnung der vorwärtsfehlerkorrektur
US8024645B2 (en) * 2006-06-29 2011-09-20 Motorola Solutions, Inc. Method for error detection in a decoded digital signal stream
KR101037243B1 (ko) * 2006-08-02 2011-05-26 후지쯔 가부시끼가이샤 수신 장치 및 그 복호 방법
US7783952B2 (en) * 2006-09-08 2010-08-24 Motorola, Inc. Method and apparatus for decoding data
US7649965B2 (en) * 2006-09-15 2010-01-19 Applied Micro Circuits Corporation Maximum likelihood channel estimator
US8761144B2 (en) * 2007-06-28 2014-06-24 Telefonaktiebolaget Lm Ericsson (Publ) HS-PDSCH blind decoding
US8259868B1 (en) * 2007-09-25 2012-09-04 University Of Southern California Conditionally cycle-free generalized tanner graphs based decoding
EP2269338B1 (de) 2008-03-31 2015-09-16 Marvell World Trade Ltd. Verfahren und vorrichtung zum selektiven kombinieren und dekodieren der mehreren codeblöcke eines transportblocks
US8321769B1 (en) 2008-11-06 2012-11-27 Marvell International Ltd. Multi-parity tensor-product code for data channel
US8443267B2 (en) * 2009-04-28 2013-05-14 Lsi Corporation Systems and methods for hard decision assisted decoding
US20110202819A1 (en) * 2010-02-12 2011-08-18 Yuan Lin Configurable Error Correction Encoding and Decoding
EP2579468B1 (de) * 2011-10-05 2020-05-06 Telefonaktiebolaget LM Ericsson (publ) Verfahren und Vorrichtung zum Decodieren eines Transportblocks eines Kommunikationssignals
US9231623B1 (en) * 2013-09-11 2016-01-05 SK Hynix Inc. Chase decoding for turbo-product codes (TPC) using error intersections
US9425952B2 (en) * 2014-03-27 2016-08-23 Samsung Israel Research Corporation Algebraic manipulation detection codes from algebraic curves
GB2525877B (en) 2014-05-07 2016-08-10 Cisco Tech Inc Forward error correction with turbo/non-turbo switching
CN104022786B (zh) * 2014-05-21 2017-09-01 上海宏光经济信息发展中心青岛电子技术部 乘积码译码方法
US9906241B2 (en) * 2014-11-20 2018-02-27 SK Hynix Inc. Apparatus and method for turbo product codes
US9935659B2 (en) * 2015-05-18 2018-04-03 SK Hynix Inc. Performance optimization in soft decoding for turbo product codes
US10200066B2 (en) 2016-03-09 2019-02-05 SK Hynix Inc. Code reconstruction scheme for multiple code rate TPC decoder
KR101858123B1 (ko) * 2017-04-25 2018-05-17 고려대학교 산학협력단 혼합형 반복 복호 방법 및 장치
US10998922B2 (en) * 2017-07-28 2021-05-04 Mitsubishi Electric Research Laboratories, Inc. Turbo product polar coding with hard decision cleaning
JP6957392B2 (ja) * 2018-03-15 2021-11-02 キオクシア株式会社 メモリシステム
KR102118899B1 (ko) * 2019-03-07 2020-06-04 한양대학교 산학협력단 연판정 기반으로 선형 부호를 고속 복호화하는 방법 및 장치
JP2023137091A (ja) 2022-03-17 2023-09-29 キオクシア株式会社 メモリシステムおよびメモリ制御方法

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295218A (en) 1979-06-25 1981-10-13 Regents Of The University Of California Error-correcting coding system
US4763331A (en) 1985-12-11 1988-08-09 Nippon Telegraph And Telephone Corporation Method for decoding error correcting block codes
US4845714A (en) 1987-06-08 1989-07-04 Exabyte Corporation Multiple pass error correction process and apparatus for product codes
US5157671A (en) 1990-05-29 1992-10-20 Space Systems/Loral, Inc. Semi-systolic architecture for decoding error-correcting codes
FR2675971B1 (fr) 1991-04-23 1993-08-06 France Telecom Procede de codage correcteur d'erreurs a au moins deux codages convolutifs systematiques en parallele, procede de decodage iteratif, module de decodage et decodeur correspondants.
FR2675968B1 (fr) 1991-04-23 1994-02-04 France Telecom Procede de decodage d'un code convolutif a maximum de vraisemblance et ponderation des decisions, et decodeur correspondant.
US5574834A (en) 1992-01-09 1996-11-12 Matsushita Graphic Communications Systems, Inc. Image communication system for following a communication procedure to simultaneously transmit image code data
AU5550694A (en) * 1992-11-06 1994-06-08 Pericle Communications Company Adaptive data rate modem
US5457704A (en) 1993-05-21 1995-10-10 At&T Ipm Corp. Post processing method and apparatus for symbol reliability generation
FR2712760B1 (fr) 1993-11-19 1996-01-26 France Telecom Procédé pour transmettre des bits d'information en appliquant des codes en blocs concaténés.
JP3321976B2 (ja) * 1994-04-01 2002-09-09 富士通株式会社 信号処理装置および信号処理方法
US5559506A (en) 1994-05-04 1996-09-24 Motorola, Inc. Method and apparatus for encoding and decoding a digital radio signal
US5499254A (en) 1994-08-31 1996-03-12 Nec Corporation Apparatus for error-correct decoding in a digital data communications system
US5657354A (en) * 1995-05-15 1997-08-12 Thesling, Iii; William H. Planar approximating method for computing the log-likelihood ratio optimal signal metric of each component code decoder in 8-PSK block coded modulation systems
DE59610391D1 (de) 1995-06-12 2003-06-05 Siemens Ag Verfahren und Codiereinrichtung zur gesicherten Übertragung von Daten mittels Mehrkomponenten-Codierung
DE19526416A1 (de) 1995-07-19 1997-01-23 Siemens Ag Verfahren und Anordnung zur Bestimmung eines adaptiven Abbruchkriteriums beim iterativen Decodieren multidimensional codierter Infomation
US5719884A (en) 1995-07-27 1998-02-17 Hewlett-Packard Company Error correction method and apparatus based on two-dimensional code array with reduced redundancy
US5703911A (en) 1995-08-17 1997-12-30 Chung-Chin Chen Decoding method for trellis codes with large free distances
JP3171772B2 (ja) 1995-08-23 2001-06-04 沖電気工業株式会社 ビタビ復号方法及びビタビ復号装置
US5684811A (en) 1995-09-01 1997-11-04 Motorola, Inc. Method and apparatus for decoding convolutionally encoded information
US5841818A (en) 1996-01-17 1998-11-24 Chung-Chin Chen Decoding method for trellis codes employing a convolutional processor
US5802116A (en) 1996-04-04 1998-09-01 Lucent Technologies Inc. Soft decision Viterbi decoding with large constraint lengths
US5721746A (en) 1996-04-19 1998-02-24 General Electric Company Optimal soft-output decoder for tail-biting trellis codes
US5721745A (en) 1996-04-19 1998-02-24 General Electric Company Parallel concatenated tail-biting convolutional code and decoder therefor
FR2753025B1 (fr) 1996-08-28 1998-11-13 Pyndiah Ramesh Procede de transmission de bits d'information avec codage correcteur d'erreurs, codeur et decodeur pour la mise en oeuvre de ce procede
FR2753026B1 (fr) 1996-08-28 1998-11-13 Pyndiah Ramesh Procede de transmission de bits d'information avec codage correcteur d'erreurs, codeur et decodeur pour la mise en oeuvre de ce procede
US5901182A (en) 1997-03-26 1999-05-04 Sharp Laboratories Of America, Inc. Metric sifting in breadth-first decoding of convolutional coded data
US5930272A (en) 1997-06-10 1999-07-27 Efficient Channel Coding, Inc. Block decoding with soft output information
US5907582A (en) 1997-08-11 1999-05-25 Orbital Sciences Corporation System for turbo-coded satellite digital audio broadcasting
FR2778289B1 (fr) 1998-05-04 2000-06-09 Alsthom Cge Alcatel Decodage iteratif de codes produits
EP1118159B1 (de) 1998-09-28 2004-07-07 Comtech Telecommunications Corp. Turbo produktkode decodierer
US6499128B1 (en) 1999-02-18 2002-12-24 Cisco Technology, Inc. Iterated soft-decision decoding of block codes
US6594318B1 (en) * 1999-12-02 2003-07-15 Qualcomm Incorporated Method and apparatus for computing soft decision input metrics to a turbo decoder
US6539367B1 (en) 2000-05-26 2003-03-25 Agere Systems Inc. Methods and apparatus for decoding of general codes on probability dependency graphs
WO2002009300A2 (en) 2000-07-21 2002-01-31 Catena Networks, Inc. Method and system for turbo encoding in adsl
US20020150167A1 (en) 2001-02-17 2002-10-17 Victor Demjanenko Methods and apparatus for configurable or assymetric forward error correction

Also Published As

Publication number Publication date
ATE270795T1 (de) 2004-07-15
US6526538B1 (en) 2003-02-25
EP1118159A2 (de) 2001-07-25
EP1118159B1 (de) 2004-07-07
HK1041373A1 (zh) 2002-07-05
JP2002526965A (ja) 2002-08-20
WO2000019616A2 (en) 2000-04-06
EP1443657A1 (de) 2004-08-04
CA2344046C (en) 2008-02-05
US20030106012A1 (en) 2003-06-05
CA2344046A1 (en) 2000-04-06
WO2000019616A3 (en) 2000-11-16
US6763494B2 (en) 2004-07-13

Similar Documents

Publication Publication Date Title
ATE270795T1 (de) Turbo produktkode decodierer
CA2147816C (en) Punctured convolutional encoder
JP4975301B2 (ja) 連結された反復型と代数型の符号化
WO2002031983A3 (en) Soft decision maximum likelihood encoder and decoder
WO2001076079A3 (en) Enhanced turbo product code decoder system
AU2052392A (en) Method and apparatus for communicating digital data using trellis coded qam
CA2273169A1 (en) Variable length decoder and decoding method
JP2004502264A5 (de)
TW200711323A (en) Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus
SE8605236D0 (sv) Forfarande for att avkoda felkorrigerande blockkoder
DE602004021438D1 (de) Sprachdekodierung
WO1998016016A3 (en) Error correction with two block codes and error correction with transmission repetition
KR100276780B1 (ko) 신호 전송 시스템
WO2003085842A3 (en) Method for iterative hard-input forward error correction
EP0823787A3 (de) Kodierer/dekodierer mit Verhältnis 16/17 mit unabhängiger Dekodierung von hohen/niedrigen Bytes
CA2131242C (en) Apparatus for error-correct decoding in a digital data communications system
RU2005132772A (ru) Способ кодирования-декодирования информации в системах передачи данных
ATE243896T1 (de) Turbo-code-decoder und turbo-code- decodierverfahren mit iterativer kanalparameterschätzung
JP2000201085A (ja) 符号化方法および復号方法
EP1137006A3 (de) Datenaufzeichnung und/oder Wiedergabe
RU97117474A (ru) Устройство для измерения коэффициента ошибок в битах с помощью декодера витерби
DE69901765D1 (de) Turbo-Code Dekodierer
CA2116069A1 (en) Method and Apparatus for Error-Control Coding in a Digital Data Communications System
JP2004201323A (ja) 複雑度を減らしたコードテーブルを使用する復調装置及びその方法
KR970705241A (ko) 가변 블럭 길이 데이타 엔코딩(Encoding Data with Variable Block Lengths)

Legal Events

Date Code Title Description
8332 No legal effect for de