DE60122353D1 - Verfahren und vorrichtung zum subtrahieren von mehreren pfaden empfangener störsignale - Google Patents

Verfahren und vorrichtung zum subtrahieren von mehreren pfaden empfangener störsignale

Info

Publication number
DE60122353D1
DE60122353D1 DE60122353T DE60122353T DE60122353D1 DE 60122353 D1 DE60122353 D1 DE 60122353D1 DE 60122353 T DE60122353 T DE 60122353T DE 60122353 T DE60122353 T DE 60122353T DE 60122353 D1 DE60122353 D1 DE 60122353D1
Authority
DE
Germany
Prior art keywords
symbols
wanted
unquantized
quantized
interference 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.)
Expired - Lifetime
Application number
DE60122353T
Other languages
English (en)
Inventor
Paul Dent
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
Priority claimed from US09/680,901 external-priority patent/US6925127B1/en
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE60122353D1 publication Critical patent/DE60122353D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
DE60122353T 2000-10-06 2001-09-10 Verfahren und vorrichtung zum subtrahieren von mehreren pfaden empfangener störsignale Expired - Lifetime DE60122353D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/680,901 US6925127B1 (en) 1997-07-22 2000-10-06 Method and apparatus for subtracting multiple rays of multiple interfering received signals
PCT/US2001/028317 WO2002031995A2 (en) 2000-10-06 2001-09-10 Method and apparatus for subtracting multiple rays of multiple interfering received signals

Publications (1)

Publication Number Publication Date
DE60122353D1 true DE60122353D1 (de) 2006-09-28

Family

ID=24732987

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60122353T Expired - Lifetime DE60122353D1 (de) 2000-10-06 2001-09-10 Verfahren und vorrichtung zum subtrahieren von mehreren pfaden empfangener störsignale

Country Status (7)

Country Link
US (1) US20050180492A1 (de)
EP (1) EP1323240B1 (de)
JP (1) JP2004511948A (de)
AT (1) ATE336829T1 (de)
AU (1) AU2001288995A1 (de)
DE (1) DE60122353D1 (de)
WO (1) WO2002031995A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10162559B4 (de) * 2001-12-19 2006-08-10 Siemens Ag Verfahren und Vorrichtung zur Unterdrückung von periodischen Störsignalen
FR2860110B1 (fr) * 2003-09-18 2006-01-13 Wavecom Procede de reception d'un signal cdma a annulation d'interference et recepteur correspondant.
US7876806B2 (en) * 2005-03-24 2011-01-25 Interdigital Technology Corporation Orthogonal frequency division multiplexing-code division multiple access system
JP4907133B2 (ja) * 2005-08-08 2012-03-28 三星電子株式会社 無線通信システム及び無線通信方法並びに通信装置
US7746961B2 (en) * 2006-04-11 2010-06-29 Telefonaktiebolaget L M Ericsson (Publ) Efficient detection of predetermined sequences
US8102950B2 (en) * 2008-02-22 2012-01-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient multi-symbol detection
US8510642B2 (en) * 2009-09-25 2013-08-13 Stmicroelectronics, Inc. System and method for map detector for symbol based error correction codes
US9246725B2 (en) * 2011-09-06 2016-01-26 Electronics And Telecommunications Research Institute Method of generating and receiving packets in low energy critical infrastructure monitoring system
US9930114B2 (en) * 2014-10-28 2018-03-27 Empire Technology Development Llc Code-division-multiple-access (CDMA)-based network coding for massive memory servers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151919A (en) * 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
US5204874A (en) * 1991-08-28 1993-04-20 Motorola, Inc. Method and apparatus for using orthogonal coding in a communication system
US5673291A (en) * 1994-09-14 1997-09-30 Ericsson Inc. Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
US5937015A (en) * 1994-01-11 1999-08-10 Dent; Paul W. Interference mitigation by joint decoding of overlapped signals
US5572552A (en) * 1994-01-27 1996-11-05 Ericsson Ge Mobile Communications Inc. Method and system for demodulation of downlink CDMA signals
BR9408527A (pt) * 1994-02-10 1997-08-05 Ibm Método e aparelho para redução da inteferência de sinais de entrada produzida por usuários múltiplos em sistemas de comunicação e sistema de comunicação cdma que os utilizam
JP3202125B2 (ja) * 1994-03-10 2001-08-27 沖電気工業株式会社 符号分割多元接続システム
JPH08195703A (ja) * 1995-01-17 1996-07-30 Toshiba Corp 無線通信装置
GB9509831D0 (en) * 1995-05-15 1995-07-05 Gerzon Michael A Lossless coding method for waveform data
US6134215A (en) * 1996-04-02 2000-10-17 Qualcomm Incorpoated Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel
FI106897B (fi) * 1998-09-14 2001-04-30 Nokia Networks Oy RAKE-vastaanotin
GB9904421D0 (en) * 1999-02-25 1999-04-21 Univ Edinburgh Telecommunications receiver
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals
US6522683B1 (en) * 2000-08-10 2003-02-18 Qualcomm, Incorporated Method and apparatus for adaptive linear equalization for walsh covered modulation
US7236510B2 (en) * 2003-10-01 2007-06-26 S5 Wireless, Inc. Equalizer with decision feedback frequency tracking and bit decoding for spread spectrum communications

Also Published As

Publication number Publication date
EP1323240B1 (de) 2006-08-16
AU2001288995A1 (en) 2002-04-22
EP1323240A2 (de) 2003-07-02
US20050180492A1 (en) 2005-08-18
WO2002031995A3 (en) 2003-02-06
ATE336829T1 (de) 2006-09-15
WO2002031995A2 (en) 2002-04-18
JP2004511948A (ja) 2004-04-15

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