NO20012134L - Fremgangsmåte for prosessering av CDMA signalkomponenter - Google Patents

Fremgangsmåte for prosessering av CDMA signalkomponenter

Info

Publication number
NO20012134L
NO20012134L NO20012134A NO20012134A NO20012134L NO 20012134 L NO20012134 L NO 20012134L NO 20012134 A NO20012134 A NO 20012134A NO 20012134 A NO20012134 A NO 20012134A NO 20012134 L NO20012134 L NO 20012134L
Authority
NO
Norway
Prior art keywords
deviation
signal components
filter
pins
cdma signal
Prior art date
Application number
NO20012134A
Other languages
English (en)
Norwegian (no)
Other versions
NO20012134D0 (no
Inventor
Jaakko Vihriaelae
Original Assignee
Nokia Networks Oy
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 Networks Oy filed Critical Nokia Networks Oy
Publication of NO20012134D0 publication Critical patent/NO20012134D0/no
Publication of NO20012134L publication Critical patent/NO20012134L/no

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Amplifiers (AREA)
NO20012134A 1999-09-02 2001-04-30 Fremgangsmåte for prosessering av CDMA signalkomponenter NO20012134L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991871A FI19991871A7 (fi) 1999-09-02 1999-09-02 Menetelmä signaalikomponenttien käsittelemiseksi kommunikaatiojärjestelmässä ja vastanotin
PCT/FI2000/000739 WO2001018985A1 (en) 1999-09-02 2000-09-01 Method of processing cdma signal components

Publications (2)

Publication Number Publication Date
NO20012134D0 NO20012134D0 (no) 2001-04-30
NO20012134L true NO20012134L (no) 2001-04-30

Family

ID=8555236

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20012134A NO20012134L (no) 1999-09-02 2001-04-30 Fremgangsmåte for prosessering av CDMA signalkomponenter

Country Status (10)

Country Link
US (1) US7016397B1 (de)
EP (1) EP1127417B1 (de)
JP (1) JP4681180B2 (de)
CN (1) CN1154250C (de)
AT (1) ATE426272T1 (de)
AU (1) AU7002200A (de)
DE (1) DE60041806D1 (de)
FI (1) FI19991871A7 (de)
NO (1) NO20012134L (de)
WO (1) WO2001018985A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3031354B1 (ja) * 1998-09-30 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそのマルチパスのフィンガ割り当て方法並びにその制御プログラムを記録した記録媒体
US7012952B2 (en) * 2001-08-01 2006-03-14 Qualcomm Incorporated Method and apparatus for adjusting delay in systems with time-burst pilot and fractionally spaced equalizers
JP3581357B2 (ja) * 2002-05-22 2004-10-27 松下電器産業株式会社 通信端末装置及び拡散コード推定方法
JP3637333B2 (ja) 2002-07-05 2005-04-13 株式会社東芝 スペクトラム拡散通信装置およびその制御方法
KR20040074789A (ko) * 2003-02-19 2004-08-26 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP4193589B2 (ja) * 2003-05-28 2008-12-10 日本電気株式会社 携帯通信端末及びそのアンテナ切替方法
US20050063298A1 (en) * 2003-09-02 2005-03-24 Qualcomm Incorporated Synchronization in a broadcast OFDM system using time division multiplexed pilots
CN1310549C (zh) * 2003-10-28 2007-04-11 华为技术有限公司 一种多径统计建模的方法
DE60324613D1 (de) * 2003-12-26 2008-12-18 Zte Corp Mehrweggesuchverfahren eines Codemultiplex-Mehrfachzugriffsystem
US7362792B2 (en) 2004-01-12 2008-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Method of and apparatus for computation of unbiased power delay profile
US6917904B1 (en) 2004-01-12 2005-07-12 Telefonaktiebolaget L M Ericsson (Publ) Method of and apparatus for path-searcher window positioning
US8433005B2 (en) * 2004-01-28 2013-04-30 Qualcomm Incorporated Frame synchronization and initial symbol timing acquisition system and method
US20050163263A1 (en) * 2004-01-28 2005-07-28 Gupta Alok K. Systems and methods for frequency acquisition in a wireless communication network
US8724447B2 (en) * 2004-01-28 2014-05-13 Qualcomm Incorporated Timing estimation in an OFDM receiver
JP4744965B2 (ja) * 2004-08-09 2011-08-10 パナソニック株式会社 無線通信装置
US20090190675A1 (en) * 2004-08-31 2009-07-30 Qualcomm Incorporated Synchronization in a broadcast ofdm system using time division multiplexed pilots
CN100356706C (zh) * 2005-05-26 2007-12-19 北京航空航天大学 基于线性调频序列的扩频通信系统中的分集接收方法
KR101320398B1 (ko) * 2006-07-31 2013-10-22 삼성전자주식회사 셀 간 이종 주파수 호핑을 이용한 랜덤 액세스 방법 및이를 수행하는 이동 통신 장치
CN101162937B (zh) * 2006-10-10 2012-05-30 普天信息技术研究院 一种实现时分cdma系统上行同步控制的方法和基站
FR2913555A1 (fr) * 2007-03-05 2008-09-12 France Telecom Traitement de symboles dans une communication bidirectionnelle par retournement temporel.
CN109975637B (zh) * 2019-04-03 2021-11-19 合肥工业大学 一种用于汽车电能系统的综合效率量化测试与计算方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
FI97581C (fi) * 1995-02-10 1997-01-10 Nokia Telecommunications Oy Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
JP2820918B2 (ja) * 1996-03-08 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散通信装置
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
GB9818378D0 (en) * 1998-08-21 1998-10-21 Nokia Mobile Phones Ltd Receiver
US6363104B1 (en) * 1998-10-02 2002-03-26 Ericsson Inc. Method and apparatus for interference cancellation in a rake receiver
US6507602B1 (en) 1999-01-07 2003-01-14 Ericsson, Inc. Smoothing receiver channel estimates using spectral estimation
JP3930187B2 (ja) * 1999-03-03 2007-06-13 株式会社日立コミュニケーションテクノロジー 同期制御方法、受信機、基地局及び移動端末
US6404760B1 (en) * 1999-07-19 2002-06-11 Qualcomm Incorporated CDMA multiple access interference cancellation using signal estimation

Also Published As

Publication number Publication date
NO20012134D0 (no) 2001-04-30
ATE426272T1 (de) 2009-04-15
CN1321367A (zh) 2001-11-07
EP1127417B1 (de) 2009-03-18
CN1154250C (zh) 2004-06-16
WO2001018985A1 (en) 2001-03-15
JP4681180B2 (ja) 2011-05-11
JP2003509892A (ja) 2003-03-11
US7016397B1 (en) 2006-03-21
WO2001018985A8 (en) 2001-05-31
EP1127417A1 (de) 2001-08-29
FI19991871A7 (fi) 2001-03-03
DE60041806D1 (de) 2009-04-30
AU7002200A (en) 2001-04-10

Similar Documents

Publication Publication Date Title
NO20012134L (no) Fremgangsmåte for prosessering av CDMA signalkomponenter
US6243410B1 (en) Demodulator having an infinite-duration impulse response filter with dynamic coeffiecient scaling
MY131621A (en) Multi-carrier cdma transmission system, transmitting apparatus and receiving apparatus used in this system, and multi-carrier cdma transmission method
CA2146445A1 (en) Receiver and repeater for spread-spectrum communications
WO2002045288A3 (en) Method and apparatus for processing a received signal in a communications system
WO2001097400A3 (en) Method and apparatus for demodulating signals processed in a transmit diversity mode
WO2002052743A3 (en) Apparatus and methods for finger delay selection in rake receivers
WO2002027958A3 (en) Method and apparatus for processing paging indicator bits transmitted on a quick paging channel
WO2002015502A3 (en) Adaptive linear equalisation for walsh-modulated
WO2002033840A3 (en) Method and apparatus for canceling pilot interference in a cdma communication system
AU5695796A (en) A reception method and a receiver
WO2002025831A3 (en) Mmse reception of ds-cdma with transmit diversity
TW373375B (en) Receiver for M-ary FSK signals
WO2004021580A3 (en) System and method for cdma communications
WO2001089109A3 (en) Radio reciever and channel estimator
IL170144A (en) Communication receiver with a rake-based adaptive equalizer
GB2363553A (en) Channel estimation for a CDMA system using pre-defined symbols in addition to pilot symbols
FI19992734A7 (fi) Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin
CA2161258A1 (en) A Communication Method for an Adaptive Direct Sequence CDMA Communication System
MY133417A (en) Processor and method for weight detection in a closed loop diversity mode wcdma system
WO2003030477A3 (en) Single user detection using a fir filter
ATE326084T1 (de) Mehrteilnehmer-detektion mittels rake-empfänger- struktur
WO2003005617A1 (en) Radio communication apparatus and radio communication method
WO2002056492A3 (en) Multiple transceiver amplification apparatus method and system
WO2002067518A3 (en) Matched filter receiver using correlation shaping

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application