DE60129945D1 - Dekodierungssystem und verfahren für digitale kommunikation - Google Patents

Dekodierungssystem und verfahren für digitale kommunikation

Info

Publication number
DE60129945D1
DE60129945D1 DE60129945T DE60129945T DE60129945D1 DE 60129945 D1 DE60129945 D1 DE 60129945D1 DE 60129945 T DE60129945 T DE 60129945T DE 60129945 T DE60129945 T DE 60129945T DE 60129945 D1 DE60129945 D1 DE 60129945D1
Authority
DE
Germany
Prior art keywords
bits
decoding
valued parameters
many
unreliable
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
DE60129945T
Other languages
English (en)
Inventor
Ardavan M Tehrani
Jeffrey M Gilbert
William J Mcfarland
Lars E Thon
Yi-Hsiu Wang
John S Thomson
Paul J Husted
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.)
Qualcomm Atheros Inc
Original Assignee
Atheros Communications 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
Priority claimed from US09/535,902 external-priority patent/US6507619B1/en
Application filed by Atheros Communications Inc filed Critical Atheros Communications Inc
Application granted granted Critical
Publication of DE60129945D1 publication Critical patent/DE60129945D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • 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
    • H03M13/3961—Arrangements of methods for branch or transition metric calculation
    • 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
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6325—Error control coding in combination with demodulation
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/635—Error control coding in combination with rate matching
    • H03M13/6362—Error control coding in combination with rate matching by puncturing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/228—Elimination in the received signal of jamming or of data corrupted by jamming
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
DE60129945T 2000-03-24 2001-03-23 Dekodierungssystem und verfahren für digitale kommunikation Expired - Lifetime DE60129945D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/535,902 US6507619B1 (en) 2000-03-24 2000-03-24 Decoding system and method for digital communications
US27161501P 2001-02-26 2001-02-26
PCT/US2001/009599 WO2001073999A1 (en) 2000-03-24 2001-03-23 Decoding system and method for digital communications

Publications (1)

Publication Number Publication Date
DE60129945D1 true DE60129945D1 (de) 2007-09-27

Family

ID=26955030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60129945T Expired - Lifetime DE60129945D1 (de) 2000-03-24 2001-03-23 Dekodierungssystem und verfahren für digitale kommunikation

Country Status (9)

Country Link
US (3) US7173972B2 (de)
EP (1) EP1275214B1 (de)
JP (1) JP4943619B2 (de)
KR (1) KR100804176B1 (de)
AT (1) ATE370566T1 (de)
AU (1) AU2001243707A1 (de)
DE (1) DE60129945D1 (de)
TW (1) TWI225348B (de)
WO (1) WO2001073999A1 (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7366088B2 (en) * 2000-09-12 2008-04-29 Siemens Aktiengesellschaft Method and orthogonal frequency division multiplexing (OFDM) receiver for reducing the influence of harmonic interference on OFDM transmission systems
US7072392B2 (en) * 2000-11-13 2006-07-04 Micronas Semiconductors, Inc. Equalizer for time domain signal processing
US9979580B2 (en) * 2001-02-01 2018-05-22 Qualcomm Incorporated Coding scheme for a wireless communication system
US20030054755A1 (en) * 2001-03-09 2003-03-20 Ephraim Zehavi Wireless receiver with anti-jamming
US6829297B2 (en) * 2001-06-06 2004-12-07 Micronas Semiconductors, Inc. Adaptive equalizer having a variable step size influenced by output from a trellis decoder
US7190744B2 (en) * 2001-06-07 2007-03-13 Micronas Semiconductors, Inc. Error generation for adaptive equalizer
US7366258B2 (en) * 2001-06-08 2008-04-29 Broadcom Corporation Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion
US7418034B2 (en) * 2001-06-19 2008-08-26 Micronas Semiconductors. Inc. Combined trellis decoder and decision feedback equalizer
WO2003017500A1 (en) * 2001-08-17 2003-02-27 The National University Of Singapore Coded modulation scheme for a wireless communication system and methods thereof
US7773699B2 (en) 2001-10-17 2010-08-10 Nortel Networks Limited Method and apparatus for channel quality measurements
US20030081696A1 (en) * 2001-10-29 2003-05-01 In-Kyung Kim System and method for estimating signal to noise ratio
US7315576B1 (en) * 2002-02-05 2008-01-01 Qualcomm Incorporated System for soft symbol decoding with MIMO log-map detection
US8259753B2 (en) * 2002-02-26 2012-09-04 General Electric Company Systems and methods for short range RF communication
US7236503B2 (en) * 2002-02-26 2007-06-26 General Electric Company Short range RF communication for jet engine control
US6995617B2 (en) * 2002-04-05 2006-02-07 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop
US7376181B2 (en) * 2002-04-05 2008-05-20 Micronas Semiconductors, Inc. Transposed structure for a decision feedback equalizer combined with a trellis decoder
US7321642B2 (en) * 2002-04-05 2008-01-22 Micronas Semiconductors, Inc. Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
US7272203B2 (en) * 2002-04-05 2007-09-18 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot
US7173991B2 (en) * 2002-06-17 2007-02-06 Hitachi, Ltd. Methods and apparatus for spectral filtering channel estimates
US7423990B2 (en) * 2002-06-18 2008-09-09 Vixs Systems Inc. Dynamically adjusting data rate of wireless communications
US20070234178A1 (en) * 2003-02-26 2007-10-04 Qualcomm Incorporated Soft information scaling for interactive decoding
WO2004082182A1 (ja) * 2003-03-14 2004-09-23 Matsushita Electric Industrial Co., Ltd. Ｏｆｄｍ受信装置及びｏｆｄｍ受信方法
KR100918717B1 (ko) * 2003-04-21 2009-09-24 삼성전자주식회사 다입다출력 직교주파수분할다중화 이동통신 시스템에서의신호 시퀀스 추정 방법 및 장치
DE10321743B4 (de) * 2003-05-14 2005-07-07 Infineon Technologies Ag Verbesserte Kanaldecodierung bei der Mehrträger-Signalübertragung durch DC-Offset- und Trägerfrequenz-Offset-abhängige Gewichtung von Zuverlässigkeitsinformationen
US8064528B2 (en) 2003-05-21 2011-11-22 Regents Of The University Of Minnesota Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
US7292650B2 (en) * 2003-07-01 2007-11-06 Silicon Integrated Systems Corp. OFDM receiver and metric generator thereof
US7126979B2 (en) * 2003-08-18 2006-10-24 Networkfab Corporation System and method to autonomously and selectively jam frequency hopping signals in near real-time
US20050059366A1 (en) * 2003-09-16 2005-03-17 Atheros Communications, Inc. Spur mitigation techniques
US7623467B1 (en) * 2003-09-17 2009-11-24 Atheros Communications, Inc. Wireless channel estimation
US20050190800A1 (en) * 2003-12-17 2005-09-01 Intel Corporation Method and apparatus for estimating noise power per subcarrier in a multicarrier system
US20050220322A1 (en) * 2004-01-13 2005-10-06 Interdigital Technology Corporation Watermarks/signatures for wireless communications
US7929409B2 (en) * 2004-01-13 2011-04-19 Interdigital Technology Corporation Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital information
US20070121939A1 (en) * 2004-01-13 2007-05-31 Interdigital Technology Corporation Watermarks for wireless communications
US20050226421A1 (en) * 2004-02-18 2005-10-13 Interdigital Technology Corporation Method and system for using watermarks in communication systems
US7558582B2 (en) * 2004-04-21 2009-07-07 Agilent Technologies, Inc. Method and system for collecting and surveying radio communications from a specific protected area of operations in or around a compound
US7099369B2 (en) * 2004-08-06 2006-08-29 Networkfab Corporation Method and apparatus for surgical high speed follower jamming based on selectable target direction
US7095779B2 (en) * 2004-08-06 2006-08-22 Networkfab Corporation Method and apparatus for automatic jammer frequency control of surgical reactive jammers
US7817706B2 (en) * 2004-08-06 2010-10-19 Agilent Technologies, Inc. Method and apparatus to perform reactive jamming while simultaneously avoiding friendly pseudo-random frequency hopping communications
US7653035B2 (en) * 2004-12-20 2010-01-26 Intel Corporation Interference rejection in wireless receivers
US7379445B2 (en) 2005-03-31 2008-05-27 Yongfang Guo Platform noise mitigation in OFDM receivers
WO2007015143A2 (en) * 2005-08-01 2007-02-08 Nokia Corporation Method, apparatus and computer program product providing widely linear interference cancellation for multi-carrier systems
WO2007022628A1 (en) 2005-08-23 2007-03-01 Nortel Networks Limited Adaptive two-dimensional channel interpolation
US7613260B2 (en) 2005-11-21 2009-11-03 Provigent Ltd Modem control using cross-polarization interference estimation
RU2303330C1 (ru) * 2006-02-13 2007-07-20 Самсунг Электроникс Ко., Лтд. Способ приема сигнала в системе связи с несколькими каналами передачи и приема
US7466287B1 (en) * 2006-02-22 2008-12-16 Lockheed Martin Corporation Sparse trifilar array antenna
US7796708B2 (en) * 2006-03-29 2010-09-14 Provigent Ltd. Adaptive receiver loops with weighted decision-directed error
US7643512B2 (en) 2006-06-29 2010-01-05 Provigent Ltd. Cascaded links with adaptive coding and modulation
US7839952B2 (en) * 2006-12-05 2010-11-23 Provigent Ltd Data rate coordination in protected variable-rate links
US7720136B2 (en) 2006-12-26 2010-05-18 Provigent Ltd Adaptive coding and modulation based on link performance prediction
US8315574B2 (en) * 2007-04-13 2012-11-20 Broadcom Corporation Management of variable-rate communication links
US7821938B2 (en) * 2007-04-20 2010-10-26 Provigent Ltd. Adaptive coding and modulation for synchronous connections
US8001445B2 (en) * 2007-08-13 2011-08-16 Provigent Ltd. Protected communication link with improved protection indication
KR100941045B1 (ko) * 2007-09-18 2010-02-05 주식회사 라온테크놀로지 디지털 멀티미디어 근거리 무선 송수신 시스템과 이를이용한 무선전송방법
US8040985B2 (en) * 2007-10-09 2011-10-18 Provigent Ltd Decoding of forward error correction codes in the presence of phase noise
US7733596B2 (en) * 2007-12-13 2010-06-08 Dell Products L.P. System and method for identifying the signal integrity of a signal from a tape drive
US8149929B2 (en) * 2008-06-17 2012-04-03 Telefonaktiebolaget L M Ericsson (Publ) Receiver and method for processing radio signals using soft pilot symbols
WO2010011500A1 (en) * 2008-07-25 2010-01-28 Smith International, Inc. Pdc bit having split blades
FR2946480B1 (fr) * 2009-06-09 2011-06-17 Thales Sa Recepteur equipe d'un decodeur de viterbi a treillis
US9178738B2 (en) * 2009-11-03 2015-11-03 Telefonaktiebolaget L M Ericsson (Publ) Channel estimation in OFDM receiver equipment
US8495480B2 (en) * 2010-06-09 2013-07-23 Topcon Positioning Systems, Inc. Method and apparatus for signal-to-noise ratio estimation in convolutional codes (Viterbi) decoder
US8959419B1 (en) * 2011-12-20 2015-02-17 Marvell International Ltd. Viterbi architecture for BDR/BLE
EP2658194B1 (de) * 2012-04-23 2014-10-08 Nxp B.V. Kanalschätzung mit reduzierter Latenz
US9325427B1 (en) * 2012-10-31 2016-04-26 Ciena Corporation Maximum likelihood decoding
US9577618B2 (en) 2012-12-20 2017-02-21 Advanced Micro Devices, Inc. Reducing power needed to send signals over wires
US20150049651A1 (en) * 2013-08-14 2015-02-19 Qualcomm Incorporated Dynamically updating filtering configuration in modem baseband processing
US10019223B2 (en) 2015-09-03 2018-07-10 Shure Acquisition Holdings, Inc. Soft decision audio decoding system
CN110971560B (zh) * 2019-12-11 2020-11-03 北京邮电大学 一种qam信号调制方法、装置及电子设备
JP2021149286A (ja) * 2020-03-17 2021-09-27 キオクシア株式会社 学習装置
US11949435B2 (en) * 2021-09-15 2024-04-02 Seagate Technology Llc Markov encoder-decoder optimized for cyclo-stationary communications channel or storage media

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309772A (en) * 1980-01-24 1982-01-05 Motorola, Inc. Soft quantizer for FM radio binary digital signaling
US4520490A (en) * 1983-08-05 1985-05-28 At&T Information Systems Inc. Differentially nonlinear convolutional channel coding with expanded set of signalling alphabets
US5363408A (en) 1992-03-24 1994-11-08 General Instrument Corporation Mode selective quadrature amplitude modulation communication system
JPH05315977A (ja) * 1992-05-12 1993-11-26 Hitachi Ltd 軟判定最尤復号方法および復号器
FI943613A (fi) * 1994-08-03 1996-02-04 Nokia Technology Gmbh Menetelmä ja kanavakorjain digitaalisen signaalin taajuustasossa suoritettavaa kanavakorjausta varten
US5812613A (en) * 1995-03-20 1998-09-22 Rockwell International Corporation Bitwise soft decision symbol decoder
JP3582139B2 (ja) * 1995-03-31 2004-10-27 ソニー株式会社 データ復調装置およびデータ伝送方法
JPH09321736A (ja) * 1996-05-27 1997-12-12 Sony Corp 受信方法及び受信装置
JP3654392B2 (ja) * 1996-09-02 2005-06-02 ソニー株式会社 データ受信装置および方法
JP3684560B2 (ja) * 1996-09-03 2005-08-17 ソニー株式会社 データ受信装置および方法
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
JP3304844B2 (ja) 1997-08-29 2002-07-22 本田技研工業株式会社 プラントの制御装置
US6269129B1 (en) 1998-04-24 2001-07-31 Lsi Logic Corporation 64/256 quadrature amplitude modulation trellis coded modulation decoder
JP3782237B2 (ja) * 1998-06-18 2006-06-07 日本放送協会 Ｏｆｄｍ信号復調装置
US6317470B1 (en) * 1998-09-15 2001-11-13 Ibiquity Digital Corporation Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates
US6158041A (en) * 1998-10-14 2000-12-05 Cisco Technology System and method for I/Q trellis coded modulation
US6442130B1 (en) * 1999-01-21 2002-08-27 Cisco Technology, Inc. System for interference cancellation
US6430401B1 (en) * 1999-03-29 2002-08-06 Lucent Technologies Inc. Technique for effectively communicating multiple digital representations of a signal

Also Published As

Publication number Publication date
EP1275214B1 (de) 2007-08-15
ATE370566T1 (de) 2007-09-15
KR20030017482A (ko) 2003-03-03
KR100804176B1 (ko) 2008-02-18
US7924932B2 (en) 2011-04-12
US20070274407A1 (en) 2007-11-29
US20020051498A1 (en) 2002-05-02
TWI225348B (en) 2004-12-11
US7173972B2 (en) 2007-02-06
JP2003529287A (ja) 2003-09-30
US20100098183A1 (en) 2010-04-22
JP4943619B2 (ja) 2012-05-30
EP1275214A1 (de) 2003-01-15
US7636400B2 (en) 2009-12-22
WO2001073999A1 (en) 2001-10-04
AU2001243707A1 (en) 2001-10-08

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