NO20006273L - Pilotmåling av signalstyrke og flerbaneforsinkelsessöker for CDMA-mottager - Google Patents

Pilotmåling av signalstyrke og flerbaneforsinkelsessöker for CDMA-mottager

Info

Publication number
NO20006273L
NO20006273L NO20006273A NO20006273A NO20006273L NO 20006273 L NO20006273 L NO 20006273L NO 20006273 A NO20006273 A NO 20006273A NO 20006273 A NO20006273 A NO 20006273A NO 20006273 L NO20006273 L NO 20006273L
Authority
NO
Norway
Prior art keywords
signal strength
path delay
cdma receiver
pilot measurement
delay search
Prior art date
Application number
NO20006273A
Other languages
English (en)
Norwegian (no)
Other versions
NO20006273D0 (no
Inventor
Essam Abdelfattah Sourour
Gregory E Bottomley
Rajaram Ramesh
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
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of NO20006273L publication Critical patent/NO20006273L/no
Publication of NO20006273D0 publication Critical patent/NO20006273D0/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/76Pilot transmitters or receivers for control of transmission or for equalising
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
NO20006273A 1998-06-12 2000-12-11 Pilotmåling av signalstyrke og flerbaneforsinkelsessöker for CDMA-mottager NO20006273D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/096,960 US6157820A (en) 1998-06-12 1998-06-12 Pilot strength measurement and multipath delay searcher for CDMA receiver
PCT/US1999/013026 WO1999065157A2 (fr) 1998-06-12 1999-06-11 Dispositif de mesure d'intensite de signaux pilote et de recherche de voies de propagation par trajets multiples pour recepteur amcr

Publications (2)

Publication Number Publication Date
NO20006273L true NO20006273L (no) 2000-12-11
NO20006273D0 NO20006273D0 (no) 2000-12-11

Family

ID=22259961

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20006273A NO20006273D0 (no) 1998-06-12 2000-12-11 Pilotmåling av signalstyrke og flerbaneforsinkelsessöker for CDMA-mottager

Country Status (15)

Country Link
US (1) US6157820A (fr)
EP (1) EP1084538B1 (fr)
JP (1) JP4425467B2 (fr)
KR (1) KR100668204B1 (fr)
CN (1) CN1178411C (fr)
AU (1) AU754056B2 (fr)
BR (1) BR9911166B1 (fr)
CA (1) CA2333723C (fr)
DE (1) DE69907183T2 (fr)
EE (1) EE200000746A (fr)
HK (1) HK1040468B (fr)
ID (1) ID30268A (fr)
IL (2) IL140080A0 (fr)
NO (1) NO20006273D0 (fr)
WO (1) WO1999065157A2 (fr)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1198108A (ja) * 1997-09-22 1999-04-09 Advantest Corp Cdma信号測定方法
US6539205B1 (en) * 1998-03-23 2003-03-25 Skyworks Solutions, Inc. Traffic channel quality estimation from a digital control channel
US6560273B1 (en) * 1998-10-07 2003-05-06 Ericsson Inc. Delay searcher and delay trackers interaction for new delays assignment to rake fingers
US6330271B1 (en) * 1998-10-13 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) CDMA receiver that shares a tracking device among multiple rake branches
US6542743B1 (en) * 1999-08-31 2003-04-01 Qualcomm, Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information
DE60037371T2 (de) * 1999-09-06 2008-11-27 Ntt Docomo Inc. Steuerungsverfahren zum Suchen benachbarten Zellen, Mobilstation und Mobilkommunikationssystem
JP3554240B2 (ja) * 1999-12-28 2004-08-18 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムのパスタイミング検出方法および基地局装置
US6839325B2 (en) * 2000-06-09 2005-01-04 Texas Instruments Incorporated Wireless communication system which uses ARQ packets to ACK a plurality of packets from an 802.15 superpacket
US7443942B2 (en) 2000-06-15 2008-10-28 Sanyo Electric Co., Ltd. Receiving device and receiving method
KR100374027B1 (ko) * 2000-08-17 2003-02-26 삼성전자주식회사 송신 다이버시티를 채택하는 통신시스템의 이동국에서파일럿 세기 측정 장치 및 방법
GB0022634D0 (en) * 2000-09-15 2000-11-01 Koninkl Philips Electronics Nv Secondary station and method of operating the station
US6922435B2 (en) * 2000-09-29 2005-07-26 Qualcomm Inc Method and apparatus for generating PN sequences at arbitrary phases
US20020128026A1 (en) * 2001-01-15 2002-09-12 Derryberry Roy Thomas System and method for channel prediction for closed loop diversity
FR2821517B1 (fr) * 2001-02-23 2004-03-19 Nortel Networks Ltd Procede de communication, controleur de reseau radio et noeud de base pour mettre en oeuvre ce procede
US6680968B2 (en) * 2001-05-17 2004-01-20 Qualcomm Incorporated CDMA searcher with time offset compensation
CN1238985C (zh) * 2001-11-09 2006-01-25 株式会社Ntt都科摩 传输系统、传输方法和传输装置
US7050483B2 (en) * 2001-12-13 2006-05-23 Motorola, Inc. Low-cost two-stage receiver system for DS-CDMA
US20030114125A1 (en) * 2001-12-14 2003-06-19 Essam Sourour Interference suppression in a radio receiver
US7394877B2 (en) * 2001-12-20 2008-07-01 Texas Instruments Incorporated Low-power packet detection using decimated correlation
US7966497B2 (en) * 2002-02-15 2011-06-21 Qualcomm Incorporated System and method for acoustic two factor authentication
DE10210236B4 (de) * 2002-03-08 2006-01-19 Advanced Micro Devices, Inc., Sunnyvale WLAN-Empfänger-Synchronisation
US7401224B2 (en) * 2002-05-15 2008-07-15 Qualcomm Incorporated System and method for managing sonic token verifiers
KR20020050213A (ko) * 2002-06-03 2002-06-26 김용철 Binary CDMA 통신 방식 송신부의 상관도평활화(Correlation Flattening) 방식
US6985727B2 (en) * 2002-09-12 2006-01-10 Qualcomm Incorporated Method and apparatus for optimizing search rate and finger assignment rate
EP1401112A1 (fr) * 2002-09-18 2004-03-24 Telefonaktiebolaget L M Ericsson (Publ) Estimation du retard par trajets multiples et sélection des trajets pour le canal commun et le canal spécialisé
US20040072553A1 (en) * 2002-09-20 2004-04-15 Xiaohui Wang Methods, systems, and computer program products for selecting delay positions for a RAKE receiver by adjusting the delay positions based on comparisons of signal to interference ratios and/or powers for multi-path signals over time
US20040066841A1 (en) * 2002-09-23 2004-04-08 Elias Jonsson Systems, methods of operating, and computer program products for selecting delays for a rake receiver based on signal to interference ratios and/or powers
JP2006514470A (ja) * 2003-02-22 2006-04-27 テレフォンアクチーボラゲット エル エム エリクソン(パブル) 電力推定のための装置及び方法
GB2401269A (en) * 2003-04-30 2004-11-03 Secr Defence Digital electronic support measures
JP4323229B2 (ja) * 2003-06-17 2009-09-02 Okiセミコンダクタ株式会社 受信データ再生装置およびその周波数調整方法
US7738881B2 (en) * 2003-07-22 2010-06-15 Microsoft Corporation Systems for determining the approximate location of a device from ambient signals
US7202816B2 (en) * 2003-07-22 2007-04-10 Microsoft Corporation Utilization of the approximate location of a device determined from ambient signals
US7319877B2 (en) * 2003-07-22 2008-01-15 Microsoft Corporation Methods for determining the approximate location of a device from ambient signals
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US7689239B2 (en) * 2003-09-16 2010-03-30 Motorola, Inc. System, method, and apparatus for establishing headroom for a mobile station
US20050113142A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Temporal joint searcher and channel estimators
US7453920B2 (en) * 2004-03-09 2008-11-18 Atc Technologies, Llc Code synchronization in CDMA satellite wireless communications system using uplink channel detection
GB0410617D0 (en) * 2004-05-12 2004-06-16 Ttp Communications Ltd Path searching
US8599972B2 (en) * 2004-06-16 2013-12-03 Telefonaktiebolaget L M Ericsson (Publ) SIR estimation in a wireless receiver
US7773950B2 (en) 2004-06-16 2010-08-10 Telefonaktiebolaget Lm Ericsson (Publ) Benign interference suppression for received signal quality estimation
EP1647418B1 (fr) 2004-10-13 2012-06-27 Nsk Ltd. Moyeu avec support de roue et bague de palier, et procédé de fabrication d'un tel moyeu
DE602004009456T2 (de) * 2004-10-26 2008-07-24 Alcatel Lucent Durchführung von zusätzlichen Leistungsmessungen zwecks Weiterleitung in einem WLAN
US8666387B2 (en) * 2004-12-30 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for determining transmit signal parameters using real-time channel measurements
KR100594086B1 (ko) 2005-01-04 2006-06-30 삼성전자주식회사 채널 추정을 위한 적응적 파일럿 할당 방법 및 장치
US7019691B1 (en) 2005-04-07 2006-03-28 Pctel,Maryland, Inc. Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system
US8594151B2 (en) * 2005-10-31 2013-11-26 Nokia Corporation Pilot sequence detection
US8396141B2 (en) * 2005-11-29 2013-03-12 Telefonaktiebolaget L M Ericsson (Publ) Efficient cell selection
KR101319115B1 (ko) * 2006-01-27 2013-10-17 톰슨 라이센싱 다중 해상도/다중 경로 검색기의 방법 및 장치
US20070248191A1 (en) * 2006-04-25 2007-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Baseband sample selection
CN101136650B (zh) * 2006-09-30 2010-06-23 中兴通讯股份有限公司 多径搜索方法及装置
US8244174B1 (en) * 2006-11-15 2012-08-14 The Board Of Trustees Of The Leland Stanford Junior University System for mobile station positioning
US8655283B2 (en) * 2007-04-23 2014-02-18 Lingna Holdings Pte., Llc Cluster-based cooperative spectrum sensing in cognitive radio systems
US9425851B2 (en) 2011-11-10 2016-08-23 Telefonaktiebolaget L M Ericsson (Publ) Method for controlling performance in a radio base station arranged for communication in TDD mode, and radio base station
DE102017206248B3 (de) 2017-04-11 2018-07-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sender und empfänger und entsprechende verfahren
DE102017012191B4 (de) * 2017-04-11 2018-12-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sender und Empfänger und entsprechende Verfahren

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989221A (en) * 1987-03-30 1991-01-29 Codex Corporation Sample rate converter
KR960009925B1 (ko) * 1989-05-26 1996-07-24 모토로라 인코포레이티드 고속 수신 신호 세기 표시방법
GB2234354B (en) * 1989-07-05 1993-05-05 Marconi Co Ltd Radio communication apparatus
DE4311933A1 (de) * 1993-04-10 1994-10-13 Blaupunkt Werke Gmbh Schaltungsanordnung zur Erzeugung eines Stopp-Signals für einen Sendersuchlauf
US5504785A (en) * 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications
CN1064494C (zh) * 1993-06-02 2001-04-11 罗克马诺尔研究有限公司 组合了扩频信号所有可用多径组件的瑞克接收机
JP2531353B2 (ja) * 1993-07-21 1996-09-04 日本電気株式会社 無線受信機
GB2293730B (en) * 1994-09-28 1998-08-05 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
US5673259A (en) * 1995-05-17 1997-09-30 Qualcomm Incorporated Random access communications channel for data services
FR2737362B1 (fr) * 1995-07-25 1997-10-10 Matra Communication Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre
US5953660A (en) * 1995-11-22 1999-09-14 Telefonaktiebolaget Lm Ericsson Supervisory audio tone detection using digital signal processing
US5787348A (en) * 1995-12-06 1998-07-28 Motorola, Inc. Method of measuring speed of a mobile unit and a receiver for use in a wireless communication system
US5793805A (en) * 1995-12-14 1998-08-11 Motorola, Inc. Signal measurement system and method for measuring the signal quality of a received radio frequency signal
US5796777A (en) * 1996-02-27 1998-08-18 Motorola, Inc. Apparatus and method for digitizing and detecting a received radio frequency signal
FR2768155B1 (fr) * 1997-09-11 2000-03-31 Rhodia Chimie Sa Composition a base d'un sol organique d'oxyde tetravalent, et d'un compose organique d'alcalin ou d'alcalino-terreux, son utilisation comme additif de composes hydrocarbones
US6052598A (en) * 1997-09-30 2000-04-18 At&T Corp Method for predicting the location of a mobile station in a mobile communications network

Also Published As

Publication number Publication date
WO1999065157A3 (fr) 2000-02-24
US6157820A (en) 2000-12-05
JP2002518873A (ja) 2002-06-25
IL140080A (en) 2006-10-31
IL140080A0 (en) 2002-02-10
CA2333723C (fr) 2009-02-10
BR9911166B1 (pt) 2013-12-03
CA2333723A1 (fr) 1999-12-16
EP1084538A2 (fr) 2001-03-21
AU754056B2 (en) 2002-10-31
CN1178411C (zh) 2004-12-01
HK1040468A1 (en) 2002-06-07
DE69907183T2 (de) 2003-10-30
KR20010072601A (ko) 2001-07-31
WO1999065157A2 (fr) 1999-12-16
EP1084538B1 (fr) 2003-04-23
NO20006273D0 (no) 2000-12-11
BR9911166A (pt) 2001-03-27
CN1312986A (zh) 2001-09-12
HK1040468B (zh) 2005-07-22
AU5082299A (en) 1999-12-30
EE200000746A (et) 2002-04-15
JP4425467B2 (ja) 2010-03-03
KR100668204B1 (ko) 2007-01-11
ID30268A (id) 2001-11-15
DE69907183D1 (de) 2003-05-28

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