ATE340438T1 - Einrichtung zur gleichzeitigen detektion von cdma codes für eine mehrwege-absatzstrecke - Google Patents

Einrichtung zur gleichzeitigen detektion von cdma codes für eine mehrwege-absatzstrecke

Info

Publication number
ATE340438T1
ATE340438T1 AT02760384T AT02760384T ATE340438T1 AT E340438 T1 ATE340438 T1 AT E340438T1 AT 02760384 T AT02760384 T AT 02760384T AT 02760384 T AT02760384 T AT 02760384T AT E340438 T1 ATE340438 T1 AT E340438T1
Authority
AT
Austria
Prior art keywords
channels
cdma codes
propagation channel
coefficients
equalization filters
Prior art date
Application number
AT02760384T
Other languages
English (en)
Inventor
Laurent Ros
Genevieve Jourdain
Marylin Arndt
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE340438T1 publication Critical patent/ATE340438T1/de

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
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • 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
    • H04B1/71075—Parallel 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Radio Relay Systems (AREA)
  • Peptides Or Proteins (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT02760384T 2001-07-30 2002-07-08 Einrichtung zur gleichzeitigen detektion von cdma codes für eine mehrwege-absatzstrecke ATE340438T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0110293A FR2828032B1 (fr) 2001-07-30 2001-07-30 Dispositif de detection conjointe de codes cdma pour liaison descendante a trajets multiples

Publications (1)

Publication Number Publication Date
ATE340438T1 true ATE340438T1 (de) 2006-10-15

Family

ID=8866161

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02760384T ATE340438T1 (de) 2001-07-30 2002-07-08 Einrichtung zur gleichzeitigen detektion von cdma codes für eine mehrwege-absatzstrecke

Country Status (7)

Country Link
US (1) US20040228314A1 (de)
EP (1) EP1413066B1 (de)
AT (1) ATE340438T1 (de)
DE (1) DE60214863T2 (de)
ES (1) ES2274078T3 (de)
FR (1) FR2828032B1 (de)
WO (1) WO2003013016A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1416652A1 (de) * 2002-10-29 2004-05-06 Alcatel Adaptiver elektrischer Entzerrer mit unipolaren Koeffizienten
WO2006073893A2 (en) * 2005-01-05 2006-07-13 Atc Technologies, Llc Adaptive beam forming with multi-user detection and interference reduction in satellite communiation systems and methods
US20080089403A1 (en) * 2007-11-26 2008-04-17 Nokia Corporation Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations
US8175068B2 (en) * 2008-03-26 2012-05-08 Advanced Receiver Technologies, Llc Active spread code detection
FR2931600B1 (fr) * 2008-05-23 2012-10-12 Thales Sa Systeme et procede de multi-correlation avec filtre adapte a la modulation pour l'acquisition rapide et la poursuite d'un signal de radionavigation en presence de brouillage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5740208A (en) * 1993-06-25 1998-04-14 Roke Manor Research Limited Interference cancellation apparatus for mitigating the effects of poor affiliation between a base station and a mobile unit
US5343496A (en) * 1993-09-24 1994-08-30 Bell Communications Research, Inc. Interference suppression in CDMA systems
JP2655092B2 (ja) * 1994-08-11 1997-09-17 日本電気株式会社 符号分割多重式受信機
JP2697648B2 (ja) * 1994-12-26 1998-01-14 日本電気株式会社 判定帰還形等化器
US5757791A (en) * 1996-04-18 1998-05-26 American Wireless Technology, Inc. Multistage linear receiver for DS-CDMA systems
KR100204599B1 (ko) * 1996-12-21 1999-06-15 정선종 적응형 직병렬 혼합 잡음 제거 방법

Also Published As

Publication number Publication date
EP1413066A1 (de) 2004-04-28
DE60214863T2 (de) 2007-04-19
EP1413066B1 (de) 2006-09-20
DE60214863D1 (de) 2006-11-02
FR2828032B1 (fr) 2003-09-12
WO2003013016A1 (fr) 2003-02-13
US20040228314A1 (en) 2004-11-18
ES2274078T3 (es) 2007-05-16
FR2828032A1 (fr) 2003-01-31

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