WO2002001244A3 - Track model constraint for gps position - Google Patents

Track model constraint for gps position Download PDF

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Publication number
WO2002001244A3
WO2002001244A3 PCT/US2001/020009 US0120009W WO0201244A3 WO 2002001244 A3 WO2002001244 A3 WO 2002001244A3 US 0120009 W US0120009 W US 0120009W WO 0201244 A3 WO0201244 A3 WO 0201244A3
Authority
WO
WIPO (PCT)
Prior art keywords
track model
item
gps receiver
planar surface
gps position
Prior art date
Application number
PCT/US2001/020009
Other languages
French (fr)
Other versions
WO2002001244A2 (en
Inventor
Thomas J Ford
Patrick C Fenton
James O Mcguffin
Stanley K Honey
Original Assignee
Sportvision 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 Sportvision Inc filed Critical Sportvision Inc
Priority to AU2001271393A priority Critical patent/AU2001271393A1/en
Priority to CA2413691A priority patent/CA2413691C/en
Priority to EP01950399A priority patent/EP1309878A4/en
Publication of WO2002001244A2 publication Critical patent/WO2002001244A2/en
Publication of WO2002001244A3 publication Critical patent/WO2002001244A3/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
    • G01S19/38—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
    • G01S19/50—Determining position whereby the position solution is constrained to lie upon a particular curve or surface, e.g. for locomotives on railway tracks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
    • 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
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/04—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing carrier phase data
    • 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
    • G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • 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
    • 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
    • G01S5/0054—Transmission from base station to mobile station of actual mobile position, i.e. position calculation on base station

Abstract

A track model is created for use with a GPS receiver. In one embodiment, the track model is a set of planar surfaces [Fig. 1, item 170] which approximate the contiguous surface on which navigation takes place [item 160]. The GPS receiver searches for an appropriate planar surface associated with its approximate position [item 166]. Having found the appropriate planar surface, the GPS receiver constrains its position using the planar surface associated with its approximate position. Using the track model improves the accuracy of the computed position at the time and improves the ambiguity estimation process so that positions with greatly improved accuracy are available sooner.
PCT/US2001/020009 2000-06-23 2001-06-22 Track model constraint for gps position WO2002001244A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2001271393A AU2001271393A1 (en) 2000-06-23 2001-06-22 Track model constraint for gps position
CA2413691A CA2413691C (en) 2000-06-23 2001-06-22 Track model constraint for gps position
EP01950399A EP1309878A4 (en) 2000-06-23 2001-06-22 Track model constraint for gps position

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US21368400P 2000-06-23 2000-06-23
US60/213,684 2000-06-23
US29531001P 2001-06-01 2001-06-01
US60/295,310 2001-06-01

Publications (2)

Publication Number Publication Date
WO2002001244A2 WO2002001244A2 (en) 2002-01-03
WO2002001244A3 true WO2002001244A3 (en) 2002-09-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/020009 WO2002001244A2 (en) 2000-06-23 2001-06-22 Track model constraint for gps position

Country Status (5)

Country Link
US (2) US6728637B2 (en)
EP (1) EP1309878A4 (en)
AU (1) AU2001271393A1 (en)
CA (1) CA2413691C (en)
WO (1) WO2002001244A2 (en)

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Also Published As

Publication number Publication date
AU2001271393A1 (en) 2002-01-08
US20020107636A1 (en) 2002-08-08
CA2413691A1 (en) 2002-01-03
WO2002001244A2 (en) 2002-01-03
CA2413691C (en) 2010-09-14
EP1309878A4 (en) 2005-01-05
US6728637B2 (en) 2004-04-27
EP1309878A2 (en) 2003-05-14
US20030036849A1 (en) 2003-02-20

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