• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention essentially relates to a device for controlling the locking / unlocking and / or starting of a vehicle (V) comprising a first communication device (COM1) mounted in the vehicle (V), said first communication device ( COM1) being connected to the vehicle control unit (ECU) (V), and a second communication device (COM2) disposed in a mobile device (SP), the first communication device (COM1) and the second communication device (COM1). communication (COM2) being able to communicate with each other in a first mode of communication to perform an authentication of the mobile device (SP) by the vehicle (V), said authentication authorizing the locking / unlocking and / or starting of the vehicle ( V), characterized in that the first communication device (COM1) and the second communication device (COM2) are also able to communicate according to a second communication mode, in order to determining data representative of the position of the mobile device (SP) relative to the vehicle (V), and in that the control unit (ECU) executes the lock / unlock command and / or vehicle start (V), is a function of said data representative of the position of the mobile device (SP) relative to the vehicle (V).
    公开号:FR3026212A1
    申请号:FR1402144
    申请日:2014-09-24
    公开日:2016-03-25
    发明作者:Eric Menard；Fabienne Masson；Eric Leconte
    申请人:Valeo Comfort and Driving Assistance SAS；
    IPC主号:
    专利说明:

    [0001] TECHNICAL FIELD OF THE INVENTION The technical field of the invention is that of motor vehicles and more particularly that of vehicles whose access is achieved by means of a motor vehicle. a mobile device. The invention thus relates to a mobile device means any device allowing a person to access data and information regardless of where this person is. Included in this category are mobile phones, especially smartphones, laptops, digital tablets, personal digital assistants (PDAs). BACKGROUND OF THE INVENTION A user can now control the execution of a function of a vehicle by means of a mobile device, such as for example a smartphone. The function concerned is for example one of the following: locking / unlocking the vehicle, starting the vehicle, automatic parking ... In some applications, in order to implement one of these functions, the mobile device must have previously memorized an identification key authorizing the execution of at least one function of the vehicle. The identification key is stored in a secure element of the mobile device, for example its SIM card. The user, keeping the mobile device on it, can for example unlock the lock of a door of the vehicle. To do this, data, including authentication data contained in the identification key, is exchanged between the mobile device and an electronic module of the vehicle that determines whether the vehicle identification key is valid. In advantageous embodiments, these data exchanges are performed in accordance with the BLE (Bluetooth Low Energy) protocol.
    [0002] For safety reasons, the execution of a vehicle function is conditioned by the position of the mobile device relative to the vehicle. Unlocking the vehicle can be done when the user, and especially the mobile device, is close to the vehicle, at a distance of about 50cm. The user must still show his intention to unlock the vehicle by operating a vehicle handle for the unlock function the vehicle runs. Similarly, the locking of the vehicle is effected, the opening of the vehicle being of course closed, when the user away from the vehicle, for example a distance greater than one or two meters. It can therefore be considered that the vehicle is locked while it is still present in the user's field of vision, thus avoiding any malicious intrusion when the user no longer sees his vehicle. Finally, in the case of starting the vehicle, the mobile device must be inside the passenger compartment. Several solutions are currently used to measure the distance between the mobile device and the vehicle, for example the measurement of the power of a received signal whose initial power is known, which makes it possible to deduce the distance between the transmitter and the receiver. This measurement method is called "RSSI" for Received Signal Strength Indication. Another solution is a measurement by GPS or, in the case for example of places where the GPS is not accessible, a measurement using the data provided by the gyroscopic and accelerometer sensors of the mobile device. Indeed, the mobile device uses this data to calculate and record the movements of the user. This method is called "true positionning" in English.
    [0003] The measurements by RSSI and GPS are not precise, of the order of several meters, they do not guarantee that the specifications defined to condition the activation of the functions of the vehicle according to the position of the mobile device by relative to the vehicle is respected. In addition, it is desired to dispense with the use of gyro sensors and acceleration sensors of the mobile device and therefore not to use true positioning. SUMMARY OF THE INVENTION The device according to the invention proposes a solution to the problems that have just been exposed.
    [0004] For this purpose, it is proposed in the invention essentially a control device for locking / unlocking and / or starting a vehicle having a first communication device mounted in the vehicle, said first communication device being connected to the unit vehicle control device, and a second communication device disposed in a mobile device, the first communication device and the second communication device being able to communicate with each other in a first communication mode to perform authentication of the mobile device by the vehicle, said authentication authorizing the locking / unlocking and / or the starting of the vehicle, characterized in that the first communication device and the second communication device are able to communicate also according to a second communication mode, in order to determine data. representative of the position of the device mob ile in relation to the vehicle, and in that the control unit executes the lock / unlock and / or start command of the vehicle, depending on the position of the mobile device with respect to the vehicle . The device according to the invention may comprise, in addition to the main characteristics which have just been mentioned in the preceding paragraph, one or more of the following characteristics considered individually or according to the technically possible combinations: the first mode of communication is operated according to the Bluetooth Low Energy Protocol (BLE); the second communication mode is of the Ultra Wide Band (UWB) type - the second communication device comprises: o a BLE communication module associated with an antenna as a BLE transceiver; o a UWB communication module associated with an antenna as a UWB transceiver; the second communication device comprises: a BLE communication module; o a UWB communication module; said BLE and UWB modules being associated with the same antenna used both as a BLE transceiver and as a UWB transceiver; the first communication device comprises: a BLE communication module, associated with an antenna used as a BLE transceiver; o a UWB communication module, associated with an antenna used as a UWB transceiver; the first communication device comprises: a BLE communication module; o - a UWB communication module; said BLE and UWB modules being associated with the same antenna used both as a BLE transceiver and as a UWB transceiver; the first communication device comprises: a BLE communication module associated with an antenna used as a BLE transceiver; a UWB main communication module, associated with an antenna used as a UWB transceiver, said UWB main communication module being also associated with at least one UWB secondary communication module, associated with an antenna used as an emitter / UWB receiver; the first communication device comprises: a BLE communication module; o-a UWB main communication module; said UWB main communication module being associated with at least one UWB secondary communication module, associated with an antenna used as a UWB transceiver, the BLE module and the main UWB module being associated with one and the same antenna used at a time as a BLE transceiver and as a UWB transceiver; said data representative of the position of the mobile apparatus with respect to the vehicle are obtained on the basis of the measurement of the travel time of the UWB signals exchanged between the UWB antenna associated with the communication module UWB of the first communication device disposed in the vehicle and the UWB antenna associated with the communication module UWB of the second communication device disposed in the mobile device; said data representative of the position of the mobile apparatus with respect to the vehicle are obtained on the basis of the measurement of the travel time of the UWB signals exchanged between, on the one hand, the UWB antennas associated respectively with the main UWB communication module of the first device; communication and UWB secondary communication modules arranged in the vehicle and the UWB antenna associated with the communication module UWB of the second communication device disposed in the mobile device, and secondly on the basis of UWB exchange between the UWB secondary communication modules and the main UWB communication module; the processing for obtaining the data representative of the position of the mobile device relative to the vehicle is performed at the vehicle; the processing for obtaining data representative of the position of the mobile device relative to the vehicle is performed at the mobile device; 8REVE DESCRIPTION OF THE FIGURES These are presented only as an indication and in no way limitative of the invention. The figures show: in Figure 1, a schematic representation of a non-limiting embodiment of a lock / unlock control device and / or starting a vehicle; in Figure 2, a schematic representation of a non-limiting embodiment of a positioning module.
    [0005] DETAILED DESCRIPTION The control device for locking / unlocking and / or starting a vehicle is described in a non-limiting embodiment in FIG. I. In the rest of the description, the locking control device is also referred to. unlocking and / or starting a vehicle, control device. The control device comprises a first communication device COM1 mounted in a vehicle V and a second communication device COM2 disposed in a mobile device SP. The first communication device COM1 and the second communication device COM2 are respectively equipped with communication modules B1, B2 able to communicate with one another according to the Bluetooth Low Energy (BLE) communication protocol. These communication modules B1, B2 communicate with each other via the antennas A1 and A2 acting as a BLE transceiver. It is thus possible, by successive exchanges between the communication module B1 of the first communication device COM1 and the communication module B2 of the second communication device COM2, to an authentication of the mobile device SP with the vehicle V.
    [0006] The authentication of the mobile device SP with the vehicle V requires that the mobile device SP has previously stored an identification key. The authentication is then performed by data exchanges, including authentication data contained in the identification key, between the first communication device COM1 and the second communication device COM2.
    [0007] A user, equipped with his mobile device SP, is then able, following the authentication thereof to the vehicle V according to the BLE protocol to perform locking / unlocking functions and / or starting the vehicle V by the intermediate of an ECU control unit disposed in the vehicle. The ECU control unit and the communication device COM1 preferably being connected via the network of the vehicle of the type for example LIN or CAN. Of course, this first mode of communication between the first communication device COM1 disposed in the vehicle V, and the second communication device COM2 disposed in the mobile device SP, could be replaced by another communication protocol of the radio frequency type as the WiFi protocol, ZigBeee, ... On the other hand, in the context of Thatcham certification, well known to those skilled in the art, it is imposed in the case of a start command for example, that this command does not is actually operated only if the SP mobile device is located inside the passenger compartment or at most within a limit of 20 centimeters (cm) outside the vehicle. The Ultra Wide Band (UWB), or Ultra Wide Band in French (ULB) is a radio modulation technique that is based on the transmission of pulses of very short duration, often less than the nanosecond. Thus, the bandwidth reaches very high values.
    [0008] UWB can be used as a wireless communication technique, which provides very high network transfer rates over relatively short and low power distances. UWB can also be used for positioning moving objects. For this purpose UWB beacons are used from which the propagation time of the signals between the mobile object and the beacons is evaluated, which allows the system to calculate the position of the moving object by triangulation. Current systems can reach accuracies of the order of 15 cm. In order to obtain the Thatcham certification, it is therefore provided according to a first embodiment of the invention illustrated in FIG. 1, to equip the first communication device COM1 and the second communication device COM2 respectively with the communication modules U1 and U2 operating in UWB. Thus, and as indicated above, it will be possible from the UWB, U1 and U2 communication modules to determine with great precision the position of the mobile device SP with respect to the vehicle V. In an advantageous embodiment of the invention the UWB communication modules U1, U2 communicate with each other via the antennas A1 and A2, which also act as UWB transceivers.
    [0009] In an alternative embodiment not shown, it is intended to use antennas different from BLE antennas AI, A2, which act specifically as a UWB transmitter / receiver for one of the UWB communication modules, preferably U1, arranged in the vehicle, or for the two communication modules UWB, U1 and U2.
    [0010] As provided by the UWB protocol, the positioning of the mobile device SP with respect to the vehicle V is obtained from the evaluation of the propagation time of the UWB signals between the antenna A2 of the communication module U2 of the mobile device SP and the antenna A1 of the communication module U1 of the vehicle. Indeed, the propagation time is translated into a distance between the communication module U2 of the mobile device SP and the communication module U1 of the vehicle V, which makes it possible to define the presence area of the mobile device SP, as being approximately the circle, of radius equal to the distance d, centered on the antenna A1 of the communication module U1 of the vehicle V. The positioning calculations according to this method can take place either at the vehicle V, or preferentially at the mobile device SP. Also advantageously, the antenna A1 of the communication module U1 of the vehicle V is located in the center of the passenger compartment.
    [0011] According to a second embodiment of the invention, it is intended to use at the vehicle V, several UWB communication modules, the distance measurement with the mobile device SP being obtained by triangulation. In an advantageous embodiment illustrated in FIG. 2, the vehicle is equipped with: a main UWB communication module UP1 sharing the antenna A1 with the BLE module B1, with several independent secondary UWB modules, US1, US2, US3, c ' that is, not directly connected to the vehicle network, and having their own AS1, AS2, AS3 antennas as UWB transceivers. In this embodiment, the propagation time of the UWB signals between the antenna A1 of the main UWB communication module UP1 and the antenna A2 of the communication module U2 of the mobile device SP is evaluated. Another part is between each of the AS1, AS2, AS3 antennas of the secondary UWB communication modules US1, US2, US3 and the antenna A2 of the communication module U2 of the mobile device SP. The secondary UWB communication modules US1, US2, US3 also communicate with the main unit UP1 by UWB exchanges, to transmit their evaluation of the propagation time with respect to the mobile apparatus, but also to determine their relative positioning. vis-à-vis the main UWB communication module UP1, all the values of UWB signal times being compiled to determine the positioning of the mobile device SP with respect to the vehicle V from a triangulation. In another embodiment, it is possible to provide, at the first power up of the vehicle, a calibration phase of the positioning of the UWB secondary communication modules US1, US2, US3 vis-à-vis the main UWB communication module UP1. Thus during the evaluation phase of the positioning of the mobile device SP, the UWB secondary communication modules US1, US2, US3 will only communicate their evaluation of the propagation time vis-à-vis the mobile device SP. Thus, thanks to the device according to the invention and thus thanks to the combination of the communication protocols BLE and UWB, it is possible to guarantee with precision that the execution of a function of the vehicle V, such as locking / unlocking or starting , or performed when the mobile device is at the required position with respect to the vehicle V.
    权利要求:
    Claims (13)
    [0001]
    REVENDICATIONS1. Locking / unlocking and / or starting control device for a vehicle (V) comprising a first communication device (COM1) mounted in the vehicle (V), said first communication device (COM1) being connected to the unit control unit (ECU) of the vehicle (V), and a second communication device (COM2) disposed in a mobile device (SP), the first communication device (COM1) and the second communication device (COM2) being able to communicate between them according to a first communication mode for performing an authentication of the mobile device (SP) by the vehicle (V), said authentication authorizing the locking / unlocking and / or the starting of the vehicle (V), characterized in that the first communication device (COM1) and the second communication device (COM2) are also able to communicate according to a second communication mode, in order to determine data representative of the positi mobile device (SP) with respect to the vehicle (V), and in that the control unit (ECU) executes the lock / unlock and / or start control of the vehicle ( V), is a function of said data representative of the position of the mobile device (SP) with respect to the vehicle (V).
    [0002]
    2. Device according to claim 1, characterized in that the first communication mode is operated according to Bluetooth Low Energy (BLE) protocol.
    [0003]
    3. Device according to any one of claims 1 or 2, characterized in that the second communication mode is of the Ultra Wide Band (UWB) type.
    [0004]
    4. Device according to claim 3, characterized in that the second communication device (COM2) comprises: a BLE communication module (B2) associated with an antenna (A2) as a BLE transceiver; a UWB communication module (U2) associated with an antenna (A2) as a UWB transceiver.
    [0005]
    5. Device according to claim 3, characterized in that the second communication device (COM2) comprises: a BLE communication module (B2); a UWB communication module (U2), said BLE (B2) and UWB (U2) modules being associated with the same antenna (A2) used both as a BLE transceiver and as a UWB transceiver .
    [0006]
    6. Device according to any one of claims 4 or 5, characterized in that the first communication device (COM1) comprises: - a BLE communication module (B1), associated with an antenna (A1) used as a BLE transceiver; a UWB communication module (U1) associated with an antenna (A1) used as a UWB transceiver.
    [0007]
    7. Device according to any one of claims 4 or 5, characterized in that the first communication device (COM1) comprises: a BLE communication module (B1); a UWB communication module (U1); said BLE modules (B1) and UWB (U1) being associated with the same antenna (A1) used both as a BLE transceiver and as a UWB transceiver.
    [0008]
    8. Device according to any one of claims 4 or 5, characterized in that the first communication device (COM1) comprises: a BLE communication module (B1) associated with an antenna (A1) used as a transmitter / BLE receiver; a UWB main communication module (UP1), associated with an antenna (A1) used as UWB transmitter / receiver, said UWB main communication module (UP1) also being associated with at least one UWB secondary communication module (US1, US2, US3), associated with an antenna (AS1, AS2, AS3) used as a UWB transceiver.
    [0009]
    9. Device according to any one of claims 4 or 5, characterized in that the first communication device (COM1) comprises: a BLE communication module (B1); a UWB main communication module (UP1); Said UWB main communication module (UP1) being associated with at least one UWB secondary communication module (US1, US2, US3) associated with an antenna (AS1, AS2, AS3) used as a UWB transceiver, said BLE module (B1) and said main UWB module (UP1) being associated with the same antenna (A1) used both as a BLE transceiver and as a UWB transceiver.
    [0010]
    10. Device according to any one of claims 6 or 7, characterized in that said data representative of the position of the mobile device (SP) relative to the vehicle (V) are obtained on the basis of the measurement of the time of UWB signal path exchanged between the UWB antenna (A1) associated with the UWB communication module (U1) of the first communication device (COM1) disposed in the vehicle and the UWB antenna (A2) associated with the UWB communication module (U2) ) of the second communication device (COM2) disposed in the mobile device (SP).
    [0011]
    11. Device according to claim 8 or 9, characterized in that said data representative of the position of the mobile device (SP) with respect to the vehicle (V) are obtained on the basis of the measurement of the travel time of the UWB lines. exchanged between on the one hand the UWB antennas (A1AS1, AS2, AS3) associated respectively with the main UWB communication module (UP1) of the first communication device (COM1) and with the UWB secondary communication modules (US1, US2, US3) arranged in the vehicle (V) and the UWB antenna (A2) associated with the UWB communication module (U2) of the second communication device (COM2) disposed in the mobile apparatus (SP), and secondly on the base UWB exchange between the UWB secondary communication modules (US1, US2, US3) and the main UWB communication module (UP1).
    [0012]
    12. Device according to claim 10 or 11, characterized in that the processing for obtaining the data representative of the position of the mobile device (SP) relative to the vehicle (V) is performed at the vehicle (V) . 25
    [0013]
    13. Device according to claim 10 or 11, characterized in that the processing for obtaining the data representative of the position of the mobile device (SP) relative to the vehicle (V) is performed at the mobile device. (SP).
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    CN110300217B|2018-03-23|2020-12-25|比亚迪股份有限公司|Vehicle control method, device and storage medium|
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    KR20200028809A|2018-09-07|2020-03-17|삼성전자주식회사|Method for uwb transaction and electronic device therefor|
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    JP2020172782A|2019-04-10|2020-10-22|トヨタ自動車株式会社|Communication device, system and method|
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    KR20210078245A|2019-12-18|2021-06-28|삼성전자주식회사|Electronic device and method for controlling access using wireless communication|
    法律状态:
    2015-09-30| PLFP| Fee payment|Year of fee payment: 2 |
    2016-03-25| PLSC| Search report ready|Effective date: 20160325 |
    2016-09-28| PLFP| Fee payment|Year of fee payment: 3 |
    2017-09-29| PLFP| Fee payment|Year of fee payment: 4 |
    2018-09-28| PLFP| Fee payment|Year of fee payment: 5 |
    2019-09-30| PLFP| Fee payment|Year of fee payment: 6 |
    2020-09-30| PLFP| Fee payment|Year of fee payment: 7 |
    2021-09-30| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1402144A|FR3026212B1|2014-09-24|2014-09-24|DEVICE FOR CHECKING LOCKING / UNLOCKING AND / OR STARTING A VEHICLE|
    FR1402144|2014-09-24|FR1402144A| FR3026212B1|2014-09-24|2014-09-24|DEVICE FOR CHECKING LOCKING / UNLOCKING AND / OR STARTING A VEHICLE|
    CN201580050754.0A| CN107206966B|2014-09-24|2015-09-21|Device for controlling locking/unlocking and/or starting of a vehicle|
    JP2017516130A| JP6665168B2|2014-09-24|2015-09-21|Device for controlling locking / unlocking and / or starting of a vehicle|
    EP15771883.4A| EP3198568B1|2014-09-24|2015-09-21|Device for controlling locking/unlocking and/or starting of a vehicle|
    PCT/EP2015/071542| WO2016046105A1|2014-09-24|2015-09-21|Device for controlling locking/unlocking and/or starting of a vehicle|
    US15/513,029| US10311661B2|2014-09-24|2015-09-21|Device for controlling locking/unlocking and/or starting of a vehicle|
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