SG10201809217YA - Geolocation method and device therefor - Google Patents

Geolocation method and device therefor

Info

Publication number
SG10201809217YA
SG10201809217YA SG10201809217YA SG10201809217YA SG10201809217YA SG 10201809217Y A SG10201809217Y A SG 10201809217YA SG 10201809217Y A SG10201809217Y A SG 10201809217YA SG 10201809217Y A SG10201809217Y A SG 10201809217YA SG 10201809217Y A SG10201809217Y A SG 10201809217YA
Authority
SG
Singapore
Prior art keywords
beacons
radio terminal
arrival
radio
device therefor
Prior art date
Application number
SG10201809217YA
Inventor
Dominique Heurguier
Original Assignee
Thales Sa
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 Thales Sa filed Critical Thales Sa
Publication of SG10201809217YA publication Critical patent/SG10201809217YA/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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

GEOLOCATION METHOD AND DEVICE THEREFOR 5 The invention relates to a method for geolocating at least one radio terminal R 1 using an opportunistic cellular radio network without knowledge of its synchronization, comprising a plurality of beacons and at least one second collaborative radio terminal, characterized in that it comprises at least the 10 following steps: • using at least five stations or beacons having known positions and at least said two radio terminals R1, R2 having unknown positions, (501), • calculating the time differences of arrival for at least four pairs formed from said five beacons, for the first radio terminal R 1 and for the 15 second radio terminal R2 upon reception of a signal containing a discriminating sequence S common to the beacons, q • from these time difference of arrival values, collecting the measurements of R 1 and R2 so as to calculate the time difference of arrival differences between the receivers for at least said four pairs of 20 beacons and determine the coordinates of at least the first radio terminal R1. Figure 5 to be published
SG10201809217YA 2017-10-19 2018-10-18 Geolocation method and device therefor SG10201809217YA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1701089A FR3072782B1 (en) 2017-10-19 2017-10-19 GEOLOCATION METHOD AND ITS DEVICE

Publications (1)

Publication Number Publication Date
SG10201809217YA true SG10201809217YA (en) 2019-05-30

Family

ID=61750167

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201809217YA SG10201809217YA (en) 2017-10-19 2018-10-18 Geolocation method and device therefor

Country Status (3)

Country Link
EP (1) EP3474031A1 (en)
FR (1) FR3072782B1 (en)
SG (1) SG10201809217YA (en)

Also Published As

Publication number Publication date
EP3474031A1 (en) 2019-04-24
FR3072782A1 (en) 2019-04-26
FR3072782B1 (en) 2020-02-21

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