AU2002235151A1 - Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information - Google Patents

Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information

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Publication number
AU2002235151A1
AU2002235151A1 AU2002235151A AU3515102A AU2002235151A1 AU 2002235151 A1 AU2002235151 A1 AU 2002235151A1 AU 2002235151 A AU2002235151 A AU 2002235151A AU 3515102 A AU3515102 A AU 3515102A AU 2002235151 A1 AU2002235151 A1 AU 2002235151A1
Authority
AU
Australia
Prior art keywords
joint probability
extracting
systems
methods
signal
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.)
Abandoned
Application number
AU2002235151A
Inventor
Gregory Edward Bottomley
Ali S. Khayrallah
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
Publication of AU2002235151A1 publication Critical patent/AU2002235151A1/en
Abandoned legal-status Critical Current

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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
    • H04L1/0045—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
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • 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
    • H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
    • 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
    • H03M13/6331—Error control coding in combination with equalisation
    • 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
    • H04L1/0055—MAP-decoding
    • 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
    • H04L1/0071—Use of interleaving
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03171—Arrangements involving maximum a posteriori probability [MAP] detection
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03312—Arrangements specific to the provision of output signals
    • H04L25/03318—Provision of soft decisions
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • 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
    • 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
    • H03M13/27—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 using interleaving techniques
    • H03M13/2703—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 using interleaving techniques the interleaver involving at least two directions
    • H03M13/2707—Simple row-column interleaver, i.e. pure block interleaving
    • 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
    • H03M13/27—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 using interleaving techniques
    • H03M13/2703—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 using interleaving techniques the interleaver involving at least two directions
    • H03M13/2721—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 using interleaving techniques the interleaver involving at least two directions the interleaver involves a diagonal direction, e.g. by using an interleaving matrix with read-out in a diagonal direction
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03337—Arrangements involving per-survivor processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Image Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU2002235151A 2000-12-20 2001-11-15 Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information Abandoned AU2002235151A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/742,173 2000-12-20
US09/742,173 US6798852B2 (en) 2000-06-06 2000-12-20 Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information
PCT/US2001/046036 WO2002051087A2 (en) 2000-12-20 2001-11-15 Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information

Publications (1)

Publication Number Publication Date
AU2002235151A1 true AU2002235151A1 (en) 2002-07-01

Family

ID=24983780

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002235151A Abandoned AU2002235151A1 (en) 2000-12-20 2001-11-15 Methods and systems for extracting a joint probability from a map decision device and processing a signal using the joint probability information

Country Status (4)

Country Link
US (1) US6798852B2 (en)
EP (1) EP1362445A2 (en)
AU (1) AU2002235151A1 (en)
WO (1) WO2002051087A2 (en)

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US6278726B1 (en) 1999-09-10 2001-08-21 Interdigital Technology Corporation Interference cancellation in a spread spectrum communication system
US6115406A (en) * 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
US7016440B1 (en) * 2000-08-16 2006-03-21 The Board Of Trustees Of The University Of Illinois Iterative MMSE equalization-decoder soft information exchange decoding method and device
US6977974B1 (en) * 2000-11-20 2005-12-20 At&T Corp. De-modulation of MOK(M-ary orthogonal modulation)
GB2387515A (en) 2002-04-08 2003-10-15 Ipwireless Inc Mapping bits to at least two channels using two interleavers, one for systematic bits, and the other for parity bits
US7657822B2 (en) * 2002-05-31 2010-02-02 Broadcom Corporation True bit level decoding of TTCM (turbo trellis code modulation) of variable rates and signal constellations
GB0229320D0 (en) * 2002-12-17 2003-01-22 Koninkl Philips Electronics Nv Signal processing method and apparatus
US7437135B2 (en) * 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) * 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US7702968B2 (en) * 2004-02-27 2010-04-20 Qualcomm Incorporated Efficient multi-symbol deinterleaver
US7502982B2 (en) * 2005-05-18 2009-03-10 Seagate Technology Llc Iterative detector with ECC in channel domain
US8046657B2 (en) * 2005-06-17 2011-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Decoding method and apparatus
FR2887713A1 (en) * 2005-06-28 2006-12-29 France Telecom ITERATIVE TREATMENT OF SYMBOL SALVES IN A RECEPTOR
US7310391B2 (en) * 2005-08-12 2007-12-18 At&T Corp. De-modulation of MOK(M-ary orthogonal modulation)
US8091009B2 (en) * 2006-03-23 2012-01-03 Broadcom Corporation Symbol by symbol map detection for signals corrupted by colored and/or signal dependent noise
US7720166B2 (en) * 2006-03-30 2010-05-18 Intel Corporation System, method and device of decoding spatially multiplexed signals
EP2129028B1 (en) * 2008-05-06 2012-10-17 Alcatel Lucent Recovery of transmission errorrs
JP5088304B2 (en) * 2008-11-27 2012-12-05 富士通株式会社 Communications system
US8229040B2 (en) 2008-12-23 2012-07-24 Telefonaktiebolaget L M Ericsson (Publ) Feedforward receiver and method for reducing inter-symbol interference by using joint soft values
JP5721316B2 (en) * 2009-03-03 2015-05-20 シャープ株式会社 Transmitting apparatus, receiving apparatus, and communication system
US8331495B2 (en) 2009-08-17 2012-12-11 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for an improved wireless communication receiver
US20110116515A1 (en) * 2009-11-16 2011-05-19 Nxp B.V. System and method for demodulating and decoding a differentially encoded coded orthogonal frequency division multiplexing modulation code using two-dimensional code blocks
US8290091B2 (en) * 2009-12-01 2012-10-16 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for detecting a plurality of symbol blocks using a decoder
US8605829B2 (en) * 2009-12-01 2013-12-10 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for detecting a plurality of symbol blocks using a decoder
US8416734B2 (en) * 2010-08-02 2013-04-09 Research In Motion Limited System and method for joint voice and data transmission
JP5992292B2 (en) * 2012-10-30 2016-09-14 株式会社東芝 Decoding device, method and program
EP2763321B1 (en) * 2013-02-05 2020-04-08 Semtech Corporation Low power long range transmitter
US9722680B2 (en) * 2015-06-25 2017-08-01 Telefonaktiebolaget Lm Ericsson (Publ) Signaling of antenna associations
US11916668B2 (en) * 2020-12-08 2024-02-27 Meteorcomm, Llc Soft decision differential demodulator for radios in wireless networks supporting train control
CN116861380B (en) * 2023-09-04 2023-11-03 信智慧通科技（北京）有限公司 Watermark processing method and device based on database

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US4631735A (en) 1984-12-28 1986-12-23 Codex Corporation Coded modulation system with feedback
US5233630A (en) 1991-05-03 1993-08-03 Qualcomm Incorporated Method and apparatus for resolving phase ambiguities in trellis coded modulated data
US5438590A (en) 1993-05-24 1995-08-01 Comstream Corporation Transmitting and receiving apparatus and method including punctured convolutional encoding and decoding
US5673291A (en) 1994-09-14 1997-09-30 Ericsson Inc. Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
US5757821A (en) 1996-07-22 1998-05-26 Telefonaktiebolaget Lm Ericsson Method and apparatus for detecting communication signals having unequal error protection
JP2002505051A (en) 1997-06-23 2002-02-12 シーメンス アクチエンゲゼルシヤフト Method and apparatus for source control channel decoding with Kalman filter
CN1201494C (en) * 1999-03-01 2005-05-11 富士通株式会社 Method and apparatus for decoding maximum posterior probaility

Also Published As

Publication number Publication date
WO2002051087A3 (en) 2003-08-21
US6798852B2 (en) 2004-09-28
EP1362445A2 (en) 2003-11-19
WO2002051087A2 (en) 2002-06-27
US20020003846A1 (en) 2002-01-10

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