DE69921155D1 - Adaptiver empfänger für vielfachwegausbreitung in einen kodemultiplex-vielfachzugriff-kommunikationssystem - Google Patents

Adaptiver empfänger für vielfachwegausbreitung in einen kodemultiplex-vielfachzugriff-kommunikationssystem

Info

Publication number
DE69921155D1
DE69921155D1 DE1999621155 DE69921155T DE69921155D1 DE 69921155 D1 DE69921155 D1 DE 69921155D1 DE 1999621155 DE1999621155 DE 1999621155 DE 69921155 T DE69921155 T DE 69921155T DE 69921155 D1 DE69921155 D1 DE 69921155D1
Authority
DE
Germany
Prior art keywords
communication system
codemultiplex
receiver
access communication
adaptive receiver
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
DE1999621155
Other languages
English (en)
Other versions
DE69921155T2 (de
Inventor
Tapani Westman
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE69921155D1 publication Critical patent/DE69921155D1/de
Application granted granted Critical
Publication of DE69921155T2 publication Critical patent/DE69921155T2/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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Structure Of Receivers (AREA)
  • Transplanting Machines (AREA)
DE69921155T 1998-08-21 1999-08-10 Adaptiver empfänger für vielfachwegausbreitung in einen kodemultiplex-vielfachzugriff-kommunikationssystem Expired - Lifetime DE69921155T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9818378.3A GB9818378D0 (en) 1998-08-21 1998-08-21 Receiver
GB9818378 1998-08-21
PCT/EP1999/005827 WO2000011798A1 (en) 1998-08-21 1999-08-10 Adaptive receiver for multipach propagation in a cdma communication system

Publications (2)

Publication Number Publication Date
DE69921155D1 true DE69921155D1 (de) 2004-11-18
DE69921155T2 DE69921155T2 (de) 2006-02-23

Family

ID=10837705

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69921155T Expired - Lifetime DE69921155T2 (de) 1998-08-21 1999-08-10 Adaptiver empfänger für vielfachwegausbreitung in einen kodemultiplex-vielfachzugriff-kommunikationssystem

Country Status (10)

Country Link
US (1) US6680967B1 (de)
EP (1) EP1105977B1 (de)
JP (1) JP2002523961A (de)
KR (1) KR20010072840A (de)
CN (1) CN1117434C (de)
AT (1) ATE279815T1 (de)
AU (1) AU5513599A (de)
DE (1) DE69921155T2 (de)
GB (1) GB9818378D0 (de)
WO (1) WO2000011798A1 (de)

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JP4011582B2 (ja) * 2003-01-30 2007-11-21 富士通株式会社 フェージング周波数推定装置
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US20050047491A1 (en) * 2003-08-28 2005-03-03 Haitao Zhang Method and apparatus for improving channel estimate based on short synchronization code
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WO2005025262A1 (ja) * 2003-09-04 2005-03-17 Fujitsu Limited 通信システム及びハンドオーバ通信方法
KR100712323B1 (ko) * 2003-10-02 2007-05-02 삼성전자주식회사 패킷 통신 시스템에서 빠른 전송율 변화를 지원하는 역방향 전송율 스케쥴링 방법 및 장치
US7903617B2 (en) * 2003-12-03 2011-03-08 Ruey-Wen Liu Method and system for multiuser wireless communications using anti-interference to increase transmission data rate
US20050193315A1 (en) * 2004-02-18 2005-09-01 Massimo Bertinelli Method and apparatus for performing a TFCI reliability check in E-DCH
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US8503328B2 (en) * 2004-09-01 2013-08-06 Qualcomm Incorporated Methods and apparatus for transmission of configuration information in a wireless communication network
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US7610025B2 (en) * 2005-03-29 2009-10-27 Qualcomm Incorporated Antenna array pattern distortion mitigation
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EP2122844B1 (de) * 2007-03-06 2012-10-17 ST-Ericsson SA Verbesserungen an oder im zusammenhang mit cdma-empfängern und cdma-kommunikationssystemen
ATE492939T1 (de) * 2007-06-04 2011-01-15 Nxp Bv Schaltung zur verarbeitung digitaler signale und entsprechendes verfahren mit bandauswahl
FR2943192B1 (fr) * 2009-03-13 2011-06-03 St Wireless Sa Procede d'affectation d'un doigt (finger) pour un recepteur de type rateau (rake) en mode de veille,et dispositif pour la mise en oeuvre du procede
FR2943193B1 (fr) * 2009-03-13 2011-04-01 St Ericsson Sa Procede d'affectation et de liberation d'un correlateur dans un recepteur de type rake et recepteur pour la mise en oeuvre du procede
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US8737457B2 (en) 2012-09-28 2014-05-27 Telefonaktiebolaget L M Ericsson (Publ) Adaptive smoothing of channel estimates
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Also Published As

Publication number Publication date
EP1105977A1 (de) 2001-06-13
CN1117434C (zh) 2003-08-06
EP1105977B1 (de) 2004-10-13
AU5513599A (en) 2000-03-14
DE69921155T2 (de) 2006-02-23
WO2000011798A1 (en) 2000-03-02
US6680967B1 (en) 2004-01-20
GB9818378D0 (en) 1998-10-21
JP2002523961A (ja) 2002-07-30
KR20010072840A (ko) 2001-07-31
CN1324522A (zh) 2001-11-28
ATE279815T1 (de) 2004-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN