CN1127880C - 下行链路观测时间差测量的改进 - Google Patents

下行链路观测时间差测量的改进 Download PDF

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Publication number
CN1127880C
CN1127880C CN 99811740 CN99811740A CN1127880C CN 1127880 C CN1127880 C CN 1127880C CN 99811740 CN99811740 CN 99811740 CN 99811740 A CN99811740 A CN 99811740A CN 1127880 C CN1127880 C CN 1127880C
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CN
China
Prior art keywords
radio signal
information
time
mobile service
service station
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
CN 99811740
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English (en)
Chinese (zh)
Other versions
CN1322452A (zh
Inventor
A·坎加斯
E·拉松
P·伦德奎斯特
M·赛德瓦尔
S·菲舍尔
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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Filing date
Publication date
Priority claimed from US09/131,150 external-priority patent/US6490454B1/en
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CN1322452A publication Critical patent/CN1322452A/zh
Application granted granted Critical
Publication of CN1127880C publication Critical patent/CN1127880C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/026—Means for monitoring or calibrating of associated receivers
    • 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
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
CN 99811740 1998-08-07 1999-07-27 下行链路观测时间差测量的改进 Expired - Lifetime CN1127880C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/131,150 US6490454B1 (en) 1998-08-07 1998-08-07 Downlink observed time difference measurements
US09/186,192 1998-11-04
US09/186,192 US6356763B1 (en) 1998-08-07 1998-11-04 Downlink observed time difference measurements
US09/131,150 1998-11-04

Publications (2)

Publication Number Publication Date
CN1322452A CN1322452A (zh) 2001-11-14
CN1127880C true CN1127880C (zh) 2003-11-12

Family

ID=26829185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99811740 Expired - Lifetime CN1127880C (zh) 1998-08-07 1999-07-27 下行链路观测时间差测量的改进

Country Status (9)

Country Link
EP (1) EP1103156B1 (enExample)
JP (1) JP4309587B2 (enExample)
CN (1) CN1127880C (enExample)
AU (1) AU772999B2 (enExample)
BR (1) BR9912770B1 (enExample)
CA (1) CA2338544C (enExample)
RU (1) RU2225079C2 (enExample)
TW (1) TW475339B (enExample)
WO (1) WO2000008886A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490454B1 (en) 1998-08-07 2002-12-03 Telefonaktiebolaget Lm Ericsson (Publ) Downlink observed time difference measurements
US6665540B2 (en) * 2001-02-02 2003-12-16 Nokia Mobile Phones, Ltd. Method and system for locating a mobile terminal in a cellular radio network
US7363043B2 (en) * 2001-05-18 2008-04-22 Southwest Research Institute Passive GSM-based self-locating device
US6876859B2 (en) * 2001-07-18 2005-04-05 Trueposition, Inc. Method for estimating TDOA and FDOA in a wireless location system
GB2392801B (en) * 2001-11-05 2005-08-17 Nokia Corp A method for identification of base stations and for checking measurement values of an observed time difference between transmissions from base stations
MXPA05009609A (es) * 2003-03-11 2005-11-04 Koninkl Philips Electronics Nv Metodo para programar periodos de servicio en la red de area local inalambrica (wlan).
US20070258428A1 (en) * 2006-04-24 2007-11-08 Interdigital Technology Corporation Method and apparatus for coordinating timing in a wireless local area network
CN101334463B (zh) * 2008-07-29 2010-05-12 北京航空航天大学 Gnss导航信号模拟器中时间参数的模拟方法
US8699453B2 (en) * 2009-02-02 2014-04-15 Qualcomm Incorporated Reuse of RF receive chain for hand-in assistance
US8725182B2 (en) 2009-06-19 2014-05-13 Htc Corporation Method of enhancing positioning measurement and related communication device
CN101806907B (zh) * 2010-03-12 2012-09-05 清华大学 多站多平台体系下基于相干与非相干混合的飞行器定位法
GB2539364A (en) * 2014-10-02 2016-12-21 Aeroscout Ltd Location system
TWI667908B (zh) * 2016-02-01 2019-08-01 日商日本電氣股份有限公司 Time difference measuring device, system and method
SG11202008665WA (en) * 2018-03-14 2020-10-29 Locata Corp Method and apparatus for synchronising a location network
IL305184A (en) * 2023-08-14 2025-03-01 Elta Systems Ltd Self-positioning based on cellular base stations

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3399623B2 (ja) * 1994-03-16 2003-04-21 富士通株式会社 移動局位置捕捉装置
GB9508884D0 (en) * 1995-05-02 1995-06-21 Telecom Sec Cellular Radio Ltd Cellular radio system
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system

Also Published As

Publication number Publication date
CA2338544A1 (en) 2000-02-17
CA2338544C (en) 2010-01-12
WO2000008886A1 (en) 2000-02-17
RU2225079C2 (ru) 2004-02-27
BR9912770A (pt) 2001-05-08
EP1103156A1 (en) 2001-05-30
EP1103156B1 (en) 2011-11-30
TW475339B (en) 2002-02-01
BR9912770B1 (pt) 2014-06-17
AU5661799A (en) 2000-02-28
CN1322452A (zh) 2001-11-14
AU772999B2 (en) 2004-05-13
JP2002522991A (ja) 2002-07-23
JP4309587B2 (ja) 2009-08-05

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Granted publication date: 20031112