DE60121311D1 - Rake-empfänger und verfahren zum betreiben eines rake-empfängers - Google Patents

Rake-empfänger und verfahren zum betreiben eines rake-empfängers

Info

Publication number
DE60121311D1
DE60121311D1 DE60121311T DE60121311T DE60121311D1 DE 60121311 D1 DE60121311 D1 DE 60121311D1 DE 60121311 T DE60121311 T DE 60121311T DE 60121311 T DE60121311 T DE 60121311T DE 60121311 D1 DE60121311 D1 DE 60121311D1
Authority
DE
Germany
Prior art keywords
rake receiver
fingers
subtractor
multipliers
operating
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 - Fee Related
Application number
DE60121311T
Other languages
English (en)
Other versions
DE60121311T2 (de
Inventor
Diego Giancola
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.)
Aeroflex Cambridge Ltd
Original Assignee
Aeroflex Cambridge Ltd
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 GBGB0007750.3A external-priority patent/GB0007750D0/en
Application filed by Aeroflex Cambridge Ltd filed Critical Aeroflex Cambridge Ltd
Application granted granted Critical
Publication of DE60121311D1 publication Critical patent/DE60121311D1/de
Publication of DE60121311T2 publication Critical patent/DE60121311T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Circuits Of Receivers In General (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE60121311T 2000-03-30 2001-03-27 Rake-empfänger und verfahren zum betreiben eines rake-empfängers Expired - Fee Related DE60121311T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB0007750.3A GB0007750D0 (en) 2000-03-30 2000-03-30 A rake receiver and a method of operating a rake receiver
GB0007750 2000-03-30
GB0011785 2000-05-16
GB0011785A GB2365716B (en) 2000-03-30 2000-05-16 A rake receiver and a method of operating a rake receiver
PCT/GB2001/001376 WO2001076085A1 (en) 2000-03-30 2001-03-27 A rake receiver and a method of operating a rake receiver

Publications (2)

Publication Number Publication Date
DE60121311D1 true DE60121311D1 (de) 2006-08-17
DE60121311T2 DE60121311T2 (de) 2007-08-30

Family

ID=26243994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60121311T Expired - Fee Related DE60121311T2 (de) 2000-03-30 2001-03-27 Rake-empfänger und verfahren zum betreiben eines rake-empfängers

Country Status (8)

Country Link
US (1) US20030108090A1 (de)
EP (1) EP1269647B1 (de)
JP (1) JP2003530001A (de)
CN (1) CN1429432A (de)
AT (1) ATE332591T1 (de)
AU (1) AU2001242612A1 (de)
DE (1) DE60121311T2 (de)
WO (1) WO2001076085A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6901105B1 (en) * 2000-08-28 2005-05-31 Koninklijke Philips Electroncs N.V. Tracking of a multi-path resolved signal in a rake receiver
GB2397986B (en) * 2001-11-02 2004-12-15 Toshiba Res Europ Ltd Receiver processing system
US7372892B2 (en) 2002-04-29 2008-05-13 Interdigital Technology Corporation Simple and robust digital code tracking loop for wireless communication systems
DE10306990B4 (de) * 2003-02-19 2011-04-14 Infineon Technologies Ag Pfadgewichtsunabhängige Nachführung des Abtastzeitpunktes der Signalkomponenten in einem RAKE-Empfänger
KR100547737B1 (ko) * 2003-06-10 2006-01-31 삼성전자주식회사 직접시퀀스 부호분할다중접속 이동통신시스템에서 레이크수신장치 및 방법
US7496080B1 (en) * 2003-07-14 2009-02-24 L-3 Communications System and method for priority communication management in a hybrid TDMA-SS system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
JP3305877B2 (ja) * 1994-06-23 2002-07-24 株式会社東芝 スペクトラム拡散無線通信システムおよびこのシステムで使用される無線通信装置
US6345078B1 (en) * 1997-07-31 2002-02-05 Lucent Technologies Inc. Finger assignment system for a multiple finger receiver and method thereof
JP3031349B2 (ja) * 1998-09-02 2000-04-10 日本電気株式会社 Ｃｄｍａ信号受信装置
US6330271B1 (en) * 1998-10-13 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) CDMA receiver that shares a tracking device among multiple rake branches
KR100378124B1 (ko) * 1998-12-10 2003-06-19 삼성전자주식회사 이동통신시스템에서단말기의위치추정장치및방법
US6873667B2 (en) * 2000-01-05 2005-03-29 Texas Instruments Incorporated Spread spectrum time tracking

Also Published As

Publication number Publication date
US20030108090A1 (en) 2003-06-12
WO2001076085A1 (en) 2001-10-11
JP2003530001A (ja) 2003-10-07
ATE332591T1 (de) 2006-07-15
CN1429432A (zh) 2003-07-09
DE60121311T2 (de) 2007-08-30
EP1269647A1 (de) 2003-01-02
AU2001242612A1 (en) 2001-10-15
EP1269647B1 (de) 2006-07-05

Similar Documents

Publication Publication Date Title
WO2002012978A3 (en) Configurable function processing cell linear array in computation engine coupled to host units
WO2004070958A3 (en) Sub-symbol parallel interference cancellation
EP1355444A3 (de) Taktrückgewinnungsschaltung und Datenempfangsschaltung
WO2004105243A3 (en) Voltage boost circuit for a high frequency switch
BR0010723A (pt) Decodificação de informaçâo em sinais de áudio
CA2199070A1 (en) Switched filterbank for use in audio signal coding
EE04023B1 (et) Seriinproteaaside, eriti C-hepatiidi viiruse NS3-proteaasi inhibiitorid
WO2003007227A3 (en) Touch screen with selective touch sources
EP1205836A3 (de) Verfahren und System zur Gesteneingabe
CA2342542A1 (en) A filter unit and method for filtering with a prescribed real impulse constant and a data recording medium
CA2414231A1 (en) Digital watermark burying method and device, and digital watermark detecting method and device
ATE332591T1 (de) Rake-empfänger und verfahren zum betreiben eines rake-empfängers
SE0104041L (sv) Elektronisk penna och metod för registrering av handskriven information
FR2690261B1 (fr) Traitement des signaux incorporant des procédés de pistage d'estimation et d'élimination des signaux en utilisant un algorithme de maximum a posteriori, et une détection séquentielle des signaux.
WO1998047136A3 (en) Processing of disc-drive pickup signals
DE60015383D1 (de) Tragbare Kommunikationsvorrichtung und Verfahren
EP1335369A4 (de) Informationsprozessor, informationsverarbeitungsverfahren und medium zur aufzeichnung des informationsverarbveitungsverfahrens
EP0798633A3 (de) Datenprozessor mit variabler Anzahl von Pipelinestufen
EP1067774A3 (de) Verfahren und Schaltung zur Pixelinterpolation
WO2004082151A3 (en) Digital if processor
AU2003249878A1 (en) Method and apparatus for phase-domain semi-coherent demodulation
WO2006078314A3 (en) Selective-sampling receiver
KR970062872A (ko) 정전식 디지타이징 태블릿에서의 오프셋 신호 제거 방법 및 장치
NZ509915A (en) Method and system for processing seismic signals including a single type of wavefield extraction
WO2005048096A3 (en) Intermediate software layer

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee