FR3089304B1 - Method for determining an angular position of a radio wave transmitter, location method and associated systems - Google Patents

Method for determining an angular position of a radio wave transmitter, location method and associated systems Download PDF

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Publication number
FR3089304B1
FR3089304B1 FR1872126A FR1872126A FR3089304B1 FR 3089304 B1 FR3089304 B1 FR 3089304B1 FR 1872126 A FR1872126 A FR 1872126A FR 1872126 A FR1872126 A FR 1872126A FR 3089304 B1 FR3089304 B1 FR 3089304B1
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France
Prior art keywords
angular position
vector
determining
radio wave
wave transmitter
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Active
Application number
FR1872126A
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French (fr)
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FR3089304A1 (en
Inventor
Eric Menard
Christophe Gueble
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.)
Valeo Comfort and Driving Assistance SAS
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Valeo Comfort and Driving Assistance SAS
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Application filed by Valeo Comfort and Driving Assistance SAS filed Critical Valeo Comfort and Driving Assistance SAS
Priority to FR1872126A priority Critical patent/FR3089304B1/en
Publication of FR3089304A1 publication Critical patent/FR3089304A1/en
Application granted granted Critical
Publication of FR3089304B1 publication Critical patent/FR3089304B1/en
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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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user

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

Abstract

L’invention concerne un procédé de détermination d’une position angulaire (α) d’un dispositif portatif (2), par rapport à une antenne (7) d’un véhicule (1) automobile, au cours duquel : - un vecteur d’inclinaison d’une onde radio (W) reçue par l’antenne est mesuré, plusieurs fois successivement, - un vecteur moyen d’inclinaison est estimé, en fonction des vecteurs d’inclinaison mesurés précédemment, - et ladite position angulaire est déterminée en fonction du vecteur moyen d’inclinaison. Lorsque le vecteur d’inclinaison est mesuré à nouveau, une nouvelle estimation du vecteur moyen d’inclinaison est déterminée, en fonction de cette nouvelle mesure et d’un degré de similitude entre cette mesure et une estimation précédente du vecteur moyen d’inclinaison. L’invention concerne aussi un procédé de localisation du dispositif portatif, un système de détermination (6) de position angulaire, et un système de localisation (5) associés.Figure pour l’abrégé : Fig.1The invention relates to a method for determining an angular position (α) of a portable device (2), relative to an antenna (7) of a motor vehicle (1), during which: - a vector d the inclination of a radio wave (W) received by the antenna is measured several times in succession, - an average inclination vector is estimated, as a function of the inclination vectors measured previously, - and said angular position is determined by function of the mean tilt vector. When the tilt vector is measured again, a new estimate of the mean tilt vector is determined, based on this new measurement and a degree of similarity between that measurement and a previous estimate of the mean tilt vector. The invention also relates to a method for locating the portable device, an angular position determination system (6), and an associated locating system (5). Figure for the abstract: Fig.1

FR1872126A 2018-11-30 2018-11-30 Method for determining an angular position of a radio wave transmitter, location method and associated systems Active FR3089304B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1872126A FR3089304B1 (en) 2018-11-30 2018-11-30 Method for determining an angular position of a radio wave transmitter, location method and associated systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1872126A FR3089304B1 (en) 2018-11-30 2018-11-30 Method for determining an angular position of a radio wave transmitter, location method and associated systems

Publications (2)

Publication Number Publication Date
FR3089304A1 FR3089304A1 (en) 2020-06-05
FR3089304B1 true FR3089304B1 (en) 2020-12-04

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ID=66542322

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1872126A Active FR3089304B1 (en) 2018-11-30 2018-11-30 Method for determining an angular position of a radio wave transmitter, location method and associated systems

Country Status (1)

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FR (1) FR3089304B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5895601B2 (en) * 2011-03-28 2016-03-30 株式会社デンソーウェーブ Direction finding device
EP2909647A2 (en) * 2012-10-19 2015-08-26 UCL Business Plc. Apparatus and method for determining the location of a mobile device using multiple wireless access points
US10149133B2 (en) * 2016-09-22 2018-12-04 Qualcomm Incorporated Facilitating a location determination of a user equipment that is connected to a master radio based upon slave radio measurements

Also Published As

Publication number Publication date
FR3089304A1 (en) 2020-06-05

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