TW520444B - Wireless position measurement terminal and wireless position measurement system - Google Patents

Wireless position measurement terminal and wireless position measurement system Download PDF

Info

Publication number
TW520444B
TW520444B TW90103947A TW90103947A TW520444B TW 520444 B TW520444 B TW 520444B TW 90103947 A TW90103947 A TW 90103947A TW 90103947 A TW90103947 A TW 90103947A TW 520444 B TW520444 B TW 520444B
Authority
TW
Taiwan
Prior art keywords
base station
window
position measurement
wireless
delay profile
Prior art date
Application number
TW90103947A
Other languages
English (en)
Chinese (zh)
Inventor
Nobukazu Doi
Mikio Kuwahara
Takashi Yano
Tomoaki Ishifuji
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of TW520444B publication Critical patent/TW520444B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0045—Transmission from base station to mobile station
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0236—Assistance data, e.g. base station almanac
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/008—Transmission of position information to remote stations using a mobile telephone network
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
TW90103947A 2000-06-13 2001-02-21 Wireless position measurement terminal and wireless position measurement system TW520444B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000182317A JP3740953B2 (ja) 2000-06-13 2000-06-13 無線位置測定端末および無線位置測定システム

Publications (1)

Publication Number Publication Date
TW520444B true TW520444B (en) 2003-02-11

Family

ID=18683105

Family Applications (1)

Application Number Title Priority Date Filing Date
TW90103947A TW520444B (en) 2000-06-13 2001-02-21 Wireless position measurement terminal and wireless position measurement system

Country Status (6)

Country Link
US (1) US20010051527A1 (enExample)
EP (1) EP1164383A3 (enExample)
JP (1) JP3740953B2 (enExample)
KR (1) KR20010112053A (enExample)
CN (1) CN1329257A (enExample)
TW (1) TW520444B (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6775242B2 (en) * 2001-07-09 2004-08-10 Qualcomm Incorporated Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system
GB2382270B (en) * 2001-11-16 2006-06-14 Nec Technologies Improved location systems in cellular communications networks
US7237007B2 (en) * 2001-12-05 2007-06-26 Qualcomm Incorporated Method and system for flow control between a base station controller and a base transceiver station
CN1173509C (zh) * 2001-12-30 2004-10-27 华为技术有限公司 Cdma移动通信系统中可视与非可视信道的识别方法
US7359707B2 (en) * 2002-01-23 2008-04-15 Leap Wireless International, Inc. Wireless communications handoff method and system employing such
WO2003085414A2 (en) 2002-04-02 2003-10-16 Randazzo William S Navigation system for locating and communicating with wireless mesh network
JP3972755B2 (ja) * 2002-07-11 2007-09-05 株式会社日立製作所 位置測定方法、およびそれに用いる端末装置およびサーバー
JP2004135247A (ja) * 2002-10-15 2004-04-30 Oki Electric Ind Co Ltd 同期位置検出回路
CN100536594C (zh) * 2002-12-02 2009-09-02 诺基亚公司 信号延迟的估计
US20050270228A1 (en) * 2003-07-03 2005-12-08 Stephens Scott A Radar system for local positioning
US7450080B2 (en) * 2003-07-03 2008-11-11 Navcom Technology, Inc. Decoherence plate for use in a communications system
US7250901B2 (en) * 2003-07-03 2007-07-31 Navcom Technology Inc. Synthetic aperture radar system and method for local positioning
US7315275B2 (en) * 2003-07-03 2008-01-01 Navcom Technology, Inc. Positioning system with intentional multi-path signal
US7427945B2 (en) * 2003-07-03 2008-09-23 Navcom Technology, Inc. Positioning system with co-polarized and cross-polarized mapping
US7286624B2 (en) * 2003-07-03 2007-10-23 Navcom Technology Inc. Two-way RF ranging system and method for local positioning
US7466262B2 (en) * 2003-07-03 2008-12-16 Navcom Technology, Inc. Positioning system with a sparse antenna array
US6943729B2 (en) * 2003-10-01 2005-09-13 S5 Wireless, Inc. Method and system for time difference of arrival (TDOA) location services
US7839916B1 (en) * 2003-10-08 2010-11-23 L-3 Communications Corporation Systems and methods for communication in a global positioning system (GPS) device
GB0410617D0 (en) 2004-05-12 2004-06-16 Ttp Communications Ltd Path searching
US7702338B2 (en) * 2004-09-29 2010-04-20 Qualcomm Incorporated Method for finding the location of a mobile terminal in a cellular radio system
US7647177B2 (en) * 2005-03-31 2010-01-12 Deere & Company System and method for determining a position of a vehicle
US7653483B2 (en) * 2005-03-31 2010-01-26 Deere & Company System and method for determining a position of a vehicle
US7720598B2 (en) * 2005-03-31 2010-05-18 Deere & Company System and method for determining a position of a vehicle with compensation for noise or measurement error
US7593811B2 (en) * 2005-03-31 2009-09-22 Deere & Company Method and system for following a lead vehicle
US7026992B1 (en) 2005-03-31 2006-04-11 Deere & Company Method for configuring a local positioning system
US7479922B2 (en) * 2005-03-31 2009-01-20 Deere & Company Method and system for determining the location of a vehicle
EP1882374A4 (en) * 2005-05-17 2008-05-21 Andrew Corp METHOD AND DEVICE FOR DETERMINING COUPLED PATH LOSSES
KR100736419B1 (ko) 2005-06-01 2007-07-09 노키아 코포레이션 신호 지연 추정
US7062381B1 (en) 2005-08-30 2006-06-13 Deere & Company Method and system for determining relative position of mobile vehicles
JP4843625B2 (ja) * 2008-01-24 2011-12-21 株式会社東芝 無線通信システム、無線基地局制御装置、および無線基地局制御装置用プログラム
ATE524747T1 (de) * 2008-07-24 2011-09-15 Ses Astra Sa System und verfahren zur berechnung einer raumflugkörperposition
US20100137001A1 (en) * 2008-12-01 2010-06-03 Electronics And Telecommunications Research Institute Terminal and method for providing terminal position
US8180887B2 (en) * 2008-12-16 2012-05-15 Microsoft Corporation Geolocation mapping of network devices
CN102034736B (zh) * 2009-09-27 2013-01-16 中芯国际集成电路制造(上海)有限公司 接触孔的光刻方法
US20110074635A1 (en) * 2009-09-30 2011-03-31 Electronics And Telecommunications Research Institute. Method and apparatus for positioning
US10206193B2 (en) 2016-08-31 2019-02-12 At&T Intellectual Property, L.P. Mobile device location based on detection of radiation sources
CN108761434B (zh) * 2018-03-27 2022-06-28 中国电子科技集团公司第二十九研究所 一种基于cdma下行信号的伪距测量方法及系统
US20230164466A1 (en) * 2020-06-17 2023-05-25 Mitsubishi Electric Corporation FACILITY DEVICE CONTROL SYSTEM, USER TERMINAL, FACILITY DEVICE CONTROL METHOD, AND RECORDING MEDIUM [as amended]

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5317323A (en) * 1993-03-05 1994-05-31 E-Systems, Inc. Passive high accuracy geolocation system and method
JP3393417B2 (ja) * 1993-12-22 2003-04-07 ソニー株式会社 測位システム
FI101445B (fi) * 1995-10-03 1998-06-15 Nokia Mobile Phones Ltd Matkaviestimen paikannusjärjestelmä
AU4338597A (en) * 1996-09-09 1998-03-26 Dennis Jay Dupray Location of a mobile station using a plurality of commercial wireless infrastructures
US5890068A (en) * 1996-10-03 1999-03-30 Cell-Loc Inc. Wireless location system
US5952969A (en) * 1997-08-18 1999-09-14 Telefonakiebolaget L M Ericsson (Publ) Method and system for determining the position of mobile radio terminals
FR2769442B1 (fr) * 1997-10-02 1999-12-31 Dassault Electronique Recepteur de radionavigation perfectionne, en particulier du type gps
KR100249045B1 (ko) * 1997-12-29 2000-03-15 김영환 기지국의 탐색창크기 조절방법
JP3257522B2 (ja) * 1998-10-06 2002-02-18 日本電気株式会社 移動通信端末機
US6665282B1 (en) * 1998-12-04 2003-12-16 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for configuring a RAKE receiver
GB2350018B (en) * 1999-05-08 2003-07-30 Motorola Ltd A method of and apparatus for estimating a characteristic of a signal
US6191738B1 (en) * 1999-09-30 2001-02-20 Motorola, Inc. Method and apparatus for locating a remote unit within a communication system

Also Published As

Publication number Publication date
CN1329257A (zh) 2002-01-02
KR20010112053A (ko) 2001-12-20
JP3740953B2 (ja) 2006-02-01
EP1164383A3 (en) 2004-11-03
JP2001359140A (ja) 2001-12-26
EP1164383A2 (en) 2001-12-19
US20010051527A1 (en) 2001-12-13

Similar Documents

Publication Publication Date Title
TW520444B (en) Wireless position measurement terminal and wireless position measurement system
DE60016933T2 (de) Verfahren und einrichtung zur ortung eines mobil-endgeräts mittels zeitgebern von geringer genauigkeit
US6658258B1 (en) Method and apparatus for estimating the location of a mobile terminal
CN100354647C (zh) 双模式上行链路/下行链路定位测量和多协议定位测量
EP1229756B1 (en) Method and system for locating a mobile terminal in a cellular radio system
KR100767550B1 (ko) 무선 단말 장치 및 측위 시스템
EP1018032B1 (en) Method and system for determining position of a cellular mobile terminal
WO1999027735A1 (en) Method for determining position of mobile communication terminals
CN102143578A (zh) 用于在通信网络中估计节点位置的方法和设备
EP2199820B1 (en) Terminal positioning technique
WO2000075684A1 (en) Positioning device using cellular communication
IL161680A (en) Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
WO2003038467A3 (en) Parameter estimator with dynamically variable integration time
EP1068762B1 (en) Method of measuring time difference between transmitters, and radio system
JPH11326484A (ja) 測位システム
JP2001268622A (ja) 移動局の現在位置認識方法および現在位置認識装置とその移動局と基地局
US6961543B2 (en) Pilot phase measurement error estimator for position location
US6397071B1 (en) System and method for configuring generic equipment measurement units with a mobile services switching center
KR20020094736A (ko) 무선 측위 시스템을 위한 비가시경로 오차 보정 방법
CN1312869C (zh) 一种测量无线通信系统传播延迟的方法
KR100671685B1 (ko) 무선통신시스템에서의 이동국 위치 추정 방법
CN100553167C (zh) 一种td-scdma系统时隙上下行方向的检测方法及装置
JP4938778B2 (ja) 移動電気通信ネットワークにおける方法および配置構成
JP2004301850A (ja) 測位システム
CN100364248C (zh) 一种从多重路径中选择便携式终端机同步路径的方法

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees