RU2225079C2 - Усовершенствования в измерениях наблюдаемой разности времени нисходящей линии связи - Google Patents

Усовершенствования в измерениях наблюдаемой разности времени нисходящей линии связи Download PDF

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Publication number
RU2225079C2
RU2225079C2 RU2001106637/09A RU2001106637A RU2225079C2 RU 2225079 C2 RU2225079 C2 RU 2225079C2 RU 2001106637/09 A RU2001106637/09 A RU 2001106637/09A RU 2001106637 A RU2001106637 A RU 2001106637A RU 2225079 C2 RU2225079 C2 RU 2225079C2
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RU
Russia
Prior art keywords
radio
mobile communication
information
communication station
time
Prior art date
Application number
RU2001106637/09A
Other languages
English (en)
Russian (ru)
Other versions
RU2001106637A (ru
Inventor
Ари КАНГАС (SE)
Ари КАНГАС
Эрик ЛАРССОН (SE)
Эрик ЛАРССОН
Патрик ЛУНДКВИСТ (US)
Патрик ЛУНДКВИСТ
Матс СЕДЕРВАЛЛЬ (SE)
Матс СЕДЕРВАЛЛЬ
Свен ФИШЕР (DE)
Свен ФИШЕР
Original Assignee
Телефонактиеболагет Лм Эрикссон (Пабл)
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 US09/131,150 external-priority patent/US6490454B1/en
Application filed by Телефонактиеболагет Лм Эрикссон (Пабл) filed Critical Телефонактиеболагет Лм Эрикссон (Пабл)
Publication of RU2001106637A publication Critical patent/RU2001106637A/ru
Application granted granted Critical
Publication of RU2225079C2 publication Critical patent/RU2225079C2/ru

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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)
RU2001106637/09A 1998-08-07 1999-07-27 Усовершенствования в измерениях наблюдаемой разности времени нисходящей линии связи RU2225079C2 (ru)

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
RU2001106637A RU2001106637A (ru) 2003-02-20
RU2225079C2 true RU2225079C2 (ru) 2004-02-27

Family

ID=26829185

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001106637/09A RU2225079C2 (ru) 1998-08-07 1999-07-27 Усовершенствования в измерениях наблюдаемой разности времени нисходящей линии связи

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system
US5629710A (en) * 1994-03-16 1997-05-13 Fujitsu Limited Apparatus for acquiring the position of a mobile station

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9508884D0 (en) * 1995-05-02 1995-06-21 Telecom Sec Cellular Radio Ltd Cellular radio system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5629710A (en) * 1994-03-16 1997-05-13 Fujitsu Limited Apparatus for acquiring the position of a mobile station
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
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
CN1127880C (zh) 2003-11-12
JP2002522991A (ja) 2002-07-23
JP4309587B2 (ja) 2009-08-05

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