WO2003038466A3 - Base station time calibration using position measurement data sent by mobile stations during regular position location sessions - Google Patents

Base station time calibration using position measurement data sent by mobile stations during regular position location sessions Download PDF

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Publication number
WO2003038466A3
WO2003038466A3 PCT/US2002/034802 US0234802W WO03038466A3 WO 2003038466 A3 WO2003038466 A3 WO 2003038466A3 US 0234802 W US0234802 W US 0234802W WO 03038466 A3 WO03038466 A3 WO 03038466A3
Authority
WO
WIPO (PCT)
Prior art keywords
position location
mobile stations
measurement data
location sessions
during regular
Prior art date
Application number
PCT/US2002/034802
Other languages
French (fr)
Other versions
WO2003038466A2 (en
Inventor
Peter Gaal
Samir S Soliman
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Priority to CA002464928A priority Critical patent/CA2464928A1/en
Priority to JP2003540681A priority patent/JP4313202B2/en
Priority to CNB02825757XA priority patent/CN100385831C/en
Priority to AU2002356872A priority patent/AU2002356872B2/en
Publication of WO2003038466A2 publication Critical patent/WO2003038466A2/en
Publication of WO2003038466A3 publication Critical patent/WO2003038466A3/en
Priority to HK05106707A priority patent/HK1074287A1/en

Links

Classifications

    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
    • 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
    • G01S1/024—Means for monitoring or calibrating of beacon transmitters
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
    • G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
    • 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
    • G01S5/021—Calibration, monitoring or correction
    • 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
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station

Abstract

Base stations in a wireless telecommunications network are calibrated to GPS system time by using position measurement data obtained from one or more hybrid mobile stations during regular position location sessions. Therefore, the calibration data need not be obtained externally from a calibration instrument, and the calibration may occur on a continuous basis to compensate for any disturbances or drift in the base stations. Privacy concerns are alleviated by using regular position location sessions that occur only when the operator of the hybrid mobile station places or answers a wireless telephone call. In a preferred implementation, the network uses Code Division Multiple Access (CDMA), and the hybrid mobile stations may provide Advanced Forward Link Trilateration (AFLT) or GPS position location data to the network.
PCT/US2002/034802 2001-10-29 2002-10-29 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions WO2003038466A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002464928A CA2464928A1 (en) 2001-10-29 2002-10-29 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
JP2003540681A JP4313202B2 (en) 2001-10-29 2002-10-29 Base station time calibration using positioning data sent from a mobile station during a regular location session
CNB02825757XA CN100385831C (en) 2001-10-29 2002-10-29 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
AU2002356872A AU2002356872B2 (en) 2001-10-29 2002-10-29 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
HK05106707A HK1074287A1 (en) 2001-10-29 2005-08-04 Base station time calibration using position measurement data sent by mobile stations during regularposition location sessions

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US33508001P 2001-10-29 2001-10-29
US60/335,080 2001-10-29
US10/034,941 US7006834B2 (en) 2001-10-29 2001-12-21 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions
US10/034,941 2001-12-21

Publications (2)

Publication Number Publication Date
WO2003038466A2 WO2003038466A2 (en) 2003-05-08
WO2003038466A3 true WO2003038466A3 (en) 2003-10-30

Family

ID=26711580

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/034802 WO2003038466A2 (en) 2001-10-29 2002-10-29 Base station time calibration using position measurement data sent by mobile stations during regular position location sessions

Country Status (7)

Country Link
US (1) US7006834B2 (en)
JP (1) JP4313202B2 (en)
CN (1) CN100385831C (en)
AU (1) AU2002356872B2 (en)
CA (1) CA2464928A1 (en)
HK (1) HK1074287A1 (en)
WO (1) WO2003038466A2 (en)

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US9226257B2 (en) 2006-11-04 2015-12-29 Qualcomm Incorporated Positioning for WLANs and other wireless networks
US9247446B2 (en) 2010-04-30 2016-01-26 Qualcomm Incorporated Mobile station use of round trip time measurements

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US9226257B2 (en) 2006-11-04 2015-12-29 Qualcomm Incorporated Positioning for WLANs and other wireless networks
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US9247446B2 (en) 2010-04-30 2016-01-26 Qualcomm Incorporated Mobile station use of round trip time measurements

Also Published As

Publication number Publication date
WO2003038466A2 (en) 2003-05-08
HK1074287A1 (en) 2005-11-04
AU2002356872B2 (en) 2008-01-24
CN100385831C (en) 2008-04-30
US7006834B2 (en) 2006-02-28
US20030119496A1 (en) 2003-06-26
CA2464928A1 (en) 2003-05-08
CN1606840A (en) 2005-04-13
JP2005531940A (en) 2005-10-20
JP4313202B2 (en) 2009-08-12

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