DE69635085D1 - Anordnung und verfahren zur symboldekodierung mit variabler anzahl der überlebenden pfade - Google Patents

Anordnung und verfahren zur symboldekodierung mit variabler anzahl der überlebenden pfade

Info

Publication number
DE69635085D1
DE69635085D1 DE69635085T DE69635085T DE69635085D1 DE 69635085 D1 DE69635085 D1 DE 69635085D1 DE 69635085 T DE69635085 T DE 69635085T DE 69635085 T DE69635085 T DE 69635085T DE 69635085 D1 DE69635085 D1 DE 69635085D1
Authority
DE
Germany
Prior art keywords
arrangement
variable number
symbol decoding
survivor paths
survivor
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
DE69635085T
Other languages
English (en)
Inventor
Sandeep Chennakeshu
David Koilpillai
B Anderson
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.)
Ericsson Inc
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
Application granted granted Critical
Publication of DE69635085D1 publication Critical patent/DE69635085D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • 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
    • 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
    • H03M13/6502Reduction of hardware complexity or efficient processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03178Arrangements involving sequence estimation techniques
    • H04L25/03203Trellis search techniques
    • H04L25/03216Trellis search techniques using the M-algorithm
DE69635085T 1995-12-27 1996-12-23 Anordnung und verfahren zur symboldekodierung mit variabler anzahl der überlebenden pfade Expired - Lifetime DE69635085D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/579,349 US5905742A (en) 1995-12-27 1995-12-27 Method and apparauts for symbol decoding
PCT/US1996/020091 WO1997024849A1 (en) 1995-12-27 1996-12-23 Method and apparatus for symbol decoding using a variable number of survivor paths

Publications (1)

Publication Number Publication Date
DE69635085D1 true DE69635085D1 (de) 2005-09-22

Family

ID=24316537

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69635085T Expired - Lifetime DE69635085D1 (de) 1995-12-27 1996-12-23 Anordnung und verfahren zur symboldekodierung mit variabler anzahl der überlebenden pfade

Country Status (8)

Country Link
US (1) US5905742A (de)
EP (1) EP0872095B1 (de)
JP (1) JP2000502859A (de)
KR (1) KR100367812B1 (de)
CN (1) CN1211366A (de)
AU (1) AU716138B2 (de)
DE (1) DE69635085D1 (de)
WO (1) WO1997024849A1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998009385A2 (en) 1996-08-29 1998-03-05 Cisco Technology, Inc. Spatio-temporal processing for communication
JP3266052B2 (ja) * 1997-06-06 2002-03-18 日本電気株式会社 データ受信装置
US6333953B1 (en) * 1997-07-21 2001-12-25 Ericsson Inc. System and methods for selecting an appropriate detection technique in a radiocommunication system
US6192503B1 (en) * 1997-08-14 2001-02-20 Ericsson Inc. Communications system and methods employing selective recursive decording
US6215827B1 (en) * 1997-08-25 2001-04-10 Lucent Technologies, Inc. System and method for measuring channel quality information in a communication system
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
CA2276207C (en) * 1997-10-31 2003-02-18 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenated space codes for wireless applications
US6501803B1 (en) 1998-10-05 2002-12-31 At&T Wireless Services, Inc. Low complexity maximum likelihood detecting of concatenated space codes for wireless applications
US6188736B1 (en) 1997-12-23 2001-02-13 At&T Wireless Svcs. Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US6151370A (en) * 1998-02-12 2000-11-21 Lucent Technologies Inc. Path-oriented decoder for signal-dependent noise
US6654365B1 (en) * 1998-02-24 2003-11-25 L-3 Communications Corporation Reduced complexity trellis-based multiuser detector for CDMA
TW377427B (en) * 1998-05-26 1999-12-21 Koninklijke Philips Electronics Nv Transmission system having a simplified channel decoder applicable to mobile phone systems for better reliability in serial transmission
US6459740B1 (en) 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6408418B1 (en) * 1998-10-29 2002-06-18 Lucent Technologies Inc. Reduced-state device and method for decoding data
JP3519291B2 (ja) * 1998-11-06 2004-04-12 松下電器産業株式会社 Ofdm通信装置及び方法
US6618451B1 (en) * 1999-02-13 2003-09-09 Altocom Inc Efficient reduced state maximum likelihood sequence estimator
US6597743B1 (en) 1999-12-07 2003-07-22 Ericsson Inc. Reduced search symbol estimation algorithm
DE19959409A1 (de) * 1999-12-09 2001-06-21 Infineon Technologies Ag Turbo-Code-Decoder und Turbo-Code-Decodierverfahren mit iterativer Kanalparameterschätzung
EP1152576B8 (de) * 2000-05-05 2009-12-23 Agere Systems, Inc. Gesamtschätzung unter Verwendung des M- beziehungsweise T-algorithmus in Mehrantennensystemen
US7515659B2 (en) 2001-05-04 2009-04-07 Agere Systems Inc. Decoding techniques for multi-antenna systems
US6788750B1 (en) * 2000-09-22 2004-09-07 Tioga Technologies Inc. Trellis-based decoder with state and path purging
JP2003141820A (ja) * 2001-11-01 2003-05-16 Fujitsu Ltd データ再生装置
FI111887B (fi) * 2001-12-17 2003-09-30 Nokia Corp Menetelmä ja järjestely trelliksen läpikäymisen tehostamiseksi
US6704376B2 (en) * 2002-01-23 2004-03-09 Bae Systems Information And Electronic Systems Integration Inc. Power and confidence ordered low complexity soft turbomud with voting system
US7986672B2 (en) * 2002-02-25 2011-07-26 Qualcomm Incorporated Method and apparatus for channel quality feedback in a wireless communication
KR100859865B1 (ko) * 2002-05-28 2008-09-24 삼성전자주식회사 채널 상태에 따라 적응적으로 등화를 수행할 수 있는오에프디엠 등화기
FI112570B (fi) * 2002-05-31 2003-12-15 Nokia Corp Menetelmä ja järjestely trelliksen läpikäymisen tehostamiseksi
AU2003223740A1 (en) * 2002-07-24 2004-02-09 Bae Systems Information And Electronic Systems Integration Inc Co-channel interference receiver
KR100618654B1 (ko) * 2003-02-11 2006-09-12 한국전자통신연구원 디지털 방송의 판정 궤환 등화 장치 및 그 방법
KR101225170B1 (ko) 2003-08-20 2013-01-22 파나소닉 주식회사 무선 통신 장치 및 서브 캐리어의 할당 방법
DE10351051A1 (de) * 2003-10-31 2005-06-09 Infineon Technologies Ag Vertifikation der Antennengewichte der Basisstation in einem UMTS-Mobilfunkempfänger durch Verwendung des Viterbi-Algorithmus bei der rückgekoppelten Sendediversität
US7460583B2 (en) * 2003-12-15 2008-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for path searching and verification
US7684521B2 (en) * 2004-02-04 2010-03-23 Broadcom Corporation Apparatus and method for hybrid decoding
JP2005311717A (ja) * 2004-04-21 2005-11-04 Matsushita Electric Ind Co Ltd 復号装置及び通信システムの受信機
US7499452B2 (en) * 2004-12-28 2009-03-03 International Business Machines Corporation Self-healing link sequence counts within a circular buffer
GB0504483D0 (en) * 2005-03-03 2005-04-13 Ttp Communications Ltd Trellis calculations
US7657825B2 (en) * 2006-09-13 2010-02-02 Harris Corporation Programmable trellis decoder and associated methods
US7676736B2 (en) * 2006-09-13 2010-03-09 Harris Corporation Programmable continuous phase modulation (CPM) decoder and associated methods
JP4482835B2 (ja) 2008-03-14 2010-06-16 ソニー株式会社 データ処理装置、データ処理方法、及び、プログラム
US10075195B2 (en) * 2014-08-29 2018-09-11 Samsung Electronics Co., Ltd. Electronic system with Viterbi decoder mechanism and method of operation thereof
CN104537202B (zh) * 2014-10-31 2017-12-22 哈尔滨工业大学深圳研究生院 基于卫星编队协作的空间天线阵列合成方法
US9385896B1 (en) * 2015-07-09 2016-07-05 Huawei Technologies Co., Ltd. Method and apparatus for low-complexity quasi-reduced state soft-output equalizer
CN107645360B (zh) * 2016-07-22 2022-02-18 深圳汇思诺科技有限公司 一种适用于OvXDM系统译码方法、装置及OvXDM系统
WO2018014738A1 (zh) * 2016-07-22 2018-01-25 深圳超级数据链技术有限公司 一种适用于OvXDM系统的快速译码方法、装置及OvXDM系统

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020056A (en) * 1989-05-02 1991-05-28 General Electric Company Reduction of synchronous fading effects by time hopping of user slots in TDMA frames
FR2658016B1 (fr) * 1990-02-06 1994-01-21 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant.
SE465597B (sv) * 1990-02-16 1991-09-30 Ericsson Telefon Ab L M Foerfarande att reducera inverkan av faedning hos en viterbimottagare med minst tvaa antenner
GB2244190A (en) * 1990-05-17 1991-11-20 Orbitel Mobile Communications Receiver systems with equalisers
GB2252221B (en) * 1991-01-24 1995-01-18 Roke Manor Research Improvements in or relating to equalisers for digital radio communication systems
US5151926A (en) * 1991-05-21 1992-09-29 General Electric Company Sample timing and carrier frequency estimation circuit for sine-cosine detectors
US5283815A (en) * 1991-05-21 1994-02-01 General Electric Company Tangental type differential detector for pulse shaped PI/4 shifted differentially encoded quadrature phase shift keying
US5202901A (en) * 1991-05-21 1993-04-13 General Electric Company Digital discriminator for pulse shaped π/4 shifted differentially encoded quadrature phase shift keying
US5349589A (en) * 1991-07-01 1994-09-20 Ericsson Ge Mobile Communications Inc. Generalized viterbi algorithm with tail-biting
US5249205A (en) * 1991-09-03 1993-09-28 General Electric Company Order recursive lattice decision feedback equalization for digital cellular radio
US5283811A (en) * 1991-09-03 1994-02-01 General Electric Company Decision feedback equalization for digital cellular radio
US5177740A (en) * 1991-09-03 1993-01-05 General Electric Company Frame/slot synchronization for U.S. digital cellular TDMA radio telephone system
US5311552A (en) * 1992-06-15 1994-05-10 General Electric Company Trellis coding technique to improve adjacent channel interference protection ratio in land mobile radio systems
US5311553A (en) * 1992-06-15 1994-05-10 General Electric Company Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints
US5363407A (en) * 1992-09-02 1994-11-08 General Electric Company Transmitter optimization for spectrally congested radio communication systems
AU5550694A (en) * 1992-11-06 1994-06-08 Pericle Communications Company Adaptive data rate modem
US5343498A (en) * 1993-03-08 1994-08-30 General Electric Company Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers
US5400362A (en) * 1993-03-29 1995-03-21 General Electric Company Double sided slot traversing decoding for time division multiple access (TDMA) radio systems
US5351274A (en) * 1993-08-20 1994-09-27 General Electric Company Post detection selection combining diversity receivers for mobile and indoor radio channels
US5406593A (en) * 1993-08-20 1995-04-11 General Electric Company Adaptive phase-locked loop employing channel state information estimation from received signal phase angles
US5371471A (en) * 1993-10-29 1994-12-06 General Electric Company Low complexity adaptive equalizer radio receiver employing direct reference state updates
JP2669350B2 (ja) * 1994-07-07 1997-10-27 日本電気株式会社 状態数可変最尤系列推定器
US5586128A (en) * 1994-11-17 1996-12-17 Ericsson Ge Mobile Communications Inc. System for decoding digital data using a variable decision depth

Also Published As

Publication number Publication date
US5905742A (en) 1999-05-18
AU1423897A (en) 1997-07-28
CN1211366A (zh) 1999-03-17
EP0872095B1 (de) 2005-08-17
JP2000502859A (ja) 2000-03-07
AU716138B2 (en) 2000-02-17
KR19990076857A (ko) 1999-10-25
WO1997024849A1 (en) 1997-07-10
KR100367812B1 (ko) 2003-04-21
EP0872095A1 (de) 1998-10-21

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Legal Events

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8332 No legal effect for de