FR3089735B1 - Procédé d’estimation de la distance séparant un dispositif d’authentification d’un véhicule automobile - Google Patents

Procédé d’estimation de la distance séparant un dispositif d’authentification d’un véhicule automobile Download PDF

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Publication number
FR3089735B1
FR3089735B1 FR1872720A FR1872720A FR3089735B1 FR 3089735 B1 FR3089735 B1 FR 3089735B1 FR 1872720 A FR1872720 A FR 1872720A FR 1872720 A FR1872720 A FR 1872720A FR 3089735 B1 FR3089735 B1 FR 3089735B1
Authority
FR
France
Prior art keywords
distance separating
vehicle
estimating
authentication device
motor vehicle
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1872720A
Other languages
English (en)
Other versions
FR3089735A1 (fr
Inventor
Sylvain Godet
Dawid Durka
Rachid Benbouhout
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.)
Continental Automotive GmbH
Continental Automotive France SAS
Original Assignee
Continental Automotive GmbH
Continental Automotive France SAS
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 Continental Automotive GmbH, Continental Automotive France SAS filed Critical Continental Automotive GmbH
Priority to FR1872720A priority Critical patent/FR3089735B1/fr
Priority to PCT/EP2019/084359 priority patent/WO2020120445A1/fr
Priority to US17/294,060 priority patent/US11436880B2/en
Priority to CN201980081774.2A priority patent/CN113167881A/zh
Publication of FR3089735A1 publication Critical patent/FR3089735A1/fr
Application granted granted Critical
Publication of FR3089735B1 publication Critical patent/FR3089735B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder

Abstract

La présente invention a pour objet un procédé d’estimation de la distance séparant un dispositif (20) d’authentification d’un véhicule (10), notamment automobile, ledit véhicule (10) comprenant un calculateur et une pluralité de modules de communication apte à communiquer avec ledit dispositif (20) en échangeant des signaux sur un lien de communication (L1) sans fil, chaque module de communication comprenant une horloge électronique qui définit la fréquence d’échantillonnage des signaux reçus du dispositif (20). Le procédé comprend une pluralité de phases de mesure comprenant chacune une détermination, par le calculateur, de la distance séparant le véhicule (10) et le dispositif (20) et un arrêt et un redémarrage de l’horloge électronique, et une estimation de la distance réelle séparant le véhicule (10) et le dispositif (20) à partir de la pluralité de distances déterminées pendant les phases de mesure. Figure pour l’abrégé : Fig. 2
FR1872720A 2018-12-11 2018-12-11 Procédé d’estimation de la distance séparant un dispositif d’authentification d’un véhicule automobile Active FR3089735B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1872720A FR3089735B1 (fr) 2018-12-11 2018-12-11 Procédé d’estimation de la distance séparant un dispositif d’authentification d’un véhicule automobile
PCT/EP2019/084359 WO2020120445A1 (fr) 2018-12-11 2019-12-10 Procédé d'estimation de la distance séparant un dispositif d'authentification d'un véhicule automobile
US17/294,060 US11436880B2 (en) 2018-12-11 2019-12-10 Method for estimating the distance separating an authentication device and a motor vehicle
CN201980081774.2A CN113167881A (zh) 2018-12-11 2019-12-10 用于估计认证装置与机动车辆相隔的距离的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1872720A FR3089735B1 (fr) 2018-12-11 2018-12-11 Procédé d’estimation de la distance séparant un dispositif d’authentification d’un véhicule automobile

Publications (2)

Publication Number Publication Date
FR3089735A1 FR3089735A1 (fr) 2020-06-12
FR3089735B1 true FR3089735B1 (fr) 2022-06-24

Family

ID=66218241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1872720A Active FR3089735B1 (fr) 2018-12-11 2018-12-11 Procédé d’estimation de la distance séparant un dispositif d’authentification d’un véhicule automobile

Country Status (4)

Country Link
US (1) US11436880B2 (fr)
CN (1) CN113167881A (fr)
FR (1) FR3089735B1 (fr)
WO (1) WO2020120445A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2880508A1 (fr) * 2005-01-03 2006-07-07 France Telecom Procede de mesure d'une distance entre deux equipements de radiocommunication, et equipement adapte pour mettre en oeuvre un tel procede
US7561048B2 (en) * 2005-12-15 2009-07-14 Invisitrack, Inc. Methods and system for reduced attenuation in tracking objects using RF technology
FR2937074B1 (fr) * 2008-10-14 2010-10-01 Continental Automotive France Procede et dispositif de commande a distance de toit ouvrant de vehicule
FR3042631B1 (fr) * 2015-10-19 2019-09-13 Valeo Comfort And Driving Assistance Procede d'evaluation de la distance separant un identifiant et un vehicule, unite electronique et identifiant associes
US10701514B2 (en) * 2016-03-15 2020-06-30 Dialog Semiconductor B.V. Determining the distance between devices in a wireless data exchange protocol
FR3049065B1 (fr) * 2016-03-16 2018-03-23 Continental Automotive France Procede de determination de la position d'un equipement portable d'utilisateur autour d'un vehicule et dispositif de localisation associe
CN105844904B (zh) * 2016-04-22 2019-09-27 北京航空航天大学 一种基于dsrc的异常车辆行为检测及追踪方法

Also Published As

Publication number Publication date
WO2020120445A1 (fr) 2020-06-18
FR3089735A1 (fr) 2020-06-12
US20210407228A1 (en) 2021-12-30
US11436880B2 (en) 2022-09-06
CN113167881A (zh) 2021-07-23

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