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AU2001287794A1 - Method and device for demodulating signals from multiusers - Google Patents

Method and device for demodulating signals from multiusers

Info

Publication number
AU2001287794A1
AU2001287794A1 AU2001287794A AU8779401A AU2001287794A1 AU 2001287794 A1 AU2001287794 A1 AU 2001287794A1 AU 2001287794 A AU2001287794 A AU 2001287794A AU 8779401 A AU8779401 A AU 8779401A AU 2001287794 A1 AU2001287794 A1 AU 2001287794A1
Authority
AU
Australia
Prior art keywords
multiusers
demodulating signals
demodulating
signals
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
AU2001287794A
Inventor
Inbar Fijalkow
Didier Pirez
Aline Roumy
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Publication of AU2001287794A1 publication Critical patent/AU2001287794A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive interference cancellation
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AU2001287794A 2000-09-01 2001-08-31 Method and device for demodulating signals from multiusers Abandoned AU2001287794A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0011198A FR2813726B1 (en) 2000-09-01 2000-09-01 METHOD AND DEVICE FOR DEMODULATING SIGNALS FROM MULTI-USERS
FR0011198 2000-09-01
PCT/FR2001/002717 WO2002019557A1 (en) 2000-09-01 2001-08-31 Method and device for demodulating signals from multiusers

Publications (1)

Publication Number Publication Date
AU2001287794A1 true AU2001287794A1 (en) 2002-03-13

Family

ID=8853908

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001287794A Abandoned AU2001287794A1 (en) 2000-09-01 2001-08-31 Method and device for demodulating signals from multiusers

Country Status (7)

Country Link
US (1) US7298801B2 (en)
EP (1) EP1221206B1 (en)
AU (1) AU2001287794A1 (en)
CA (1) CA2389588A1 (en)
ES (1) ES2386344T3 (en)
FR (1) FR2813726B1 (en)
WO (1) WO2002019557A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7110439B2 (en) * 2002-03-25 2006-09-19 Bae Systems Information And Electronic Systems Integration Inc. System for decreasing processing time in an iterative multi-user detector system
AU2003903826A0 (en) * 2003-07-24 2003-08-07 University Of South Australia An ofdm receiver structure
EP1589673B1 (en) * 2004-04-22 2014-06-04 Orange Iterative multiuser detection method for CDMA communications systems on MIMO canal
EP1589672B1 (en) * 2004-04-22 2014-06-04 Orange Iterative vectorized equalization method for CDMA communications systems on MIMO channel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685839A1 (en) 1991-12-26 1993-07-02 Thomson Csf METHOD FOR COHERENT MODULATION AND DEMODULATION FOR TRANSMITTING HIGH FREQUENCY HF DATA.
GB9317604D0 (en) * 1993-08-24 1993-10-06 Philips Electronics Uk Ltd Receiver for ds-cdma signals
US5414699A (en) * 1993-09-27 1995-05-09 Motorola, Inc. Method and apparatus for receiving and decoding communication signals in a CDMA receiver using partial de-correlation
FR2742619B1 (en) 1995-12-15 1998-02-06 Thomson Csf MULTI-SENSOR EQUALIZATION METHOD FOR MULTI-SENSOR RECEPTION IN THE PRESENCE OF INTERFERENCE AND MULTI-TRAVEL PATHWAYS, AND RECEIVER FOR IMPLEMENTING SAME
US6496543B1 (en) * 1996-10-29 2002-12-17 Qualcomm Incorporated Method and apparatus for providing high speed data communications in a cellular environment
SG77607A1 (en) * 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver
JP3024750B2 (en) * 1998-04-07 2000-03-21 日本電気株式会社 DS-CDMA multi-user interference canceller and DS-CDMA communication system
US20020110206A1 (en) * 1998-11-12 2002-08-15 Neal Becker Combined interference cancellation with FEC decoding for high spectral efficiency satellite communications
US6671338B1 (en) * 1998-11-12 2003-12-30 Hughes Electronics Corporation Combined interference cancellation with FEC decoding for high spectral efficiency satellite communications
JP3121319B2 (en) * 1998-12-17 2000-12-25 日本電気株式会社 DS-CDMA multi-user interference canceller and its system
US6567475B1 (en) * 1998-12-29 2003-05-20 Ericsson Inc. Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols

Also Published As

Publication number Publication date
EP1221206A1 (en) 2002-07-10
ES2386344T3 (en) 2012-08-17
FR2813726B1 (en) 2006-06-23
EP1221206B1 (en) 2012-05-23
WO2002019557A1 (en) 2002-03-07
FR2813726A1 (en) 2002-03-08
CA2389588A1 (en) 2002-03-07
US20020181555A1 (en) 2002-12-05
US7298801B2 (en) 2007-11-20

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