EP3669593A1 - Détermination d'angle pour la localisation de terminaux mobiles - Google Patents

Détermination d'angle pour la localisation de terminaux mobiles

Info

Publication number
EP3669593A1
EP3669593A1 EP18752718.9A EP18752718A EP3669593A1 EP 3669593 A1 EP3669593 A1 EP 3669593A1 EP 18752718 A EP18752718 A EP 18752718A EP 3669593 A1 EP3669593 A1 EP 3669593A1
Authority
EP
European Patent Office
Prior art keywords
angle
signal
mobile terminal
vehicle
receiving units
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.)
Ceased
Application number
EP18752718.9A
Other languages
German (de)
English (en)
Inventor
Ahmad EL ASSAAD
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 Technologies GmbH
Original Assignee
Continental Automotive GmbH
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 filed Critical Continental Automotive GmbH
Publication of EP3669593A1 publication Critical patent/EP3669593A1/fr
Ceased legal-status Critical Current

Links

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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional 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
    • 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
    • G01S3/023—Monitoring or calibrating
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/101—Bluetooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/106—Internet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/20—Communication devices for vehicle anti-theft devices
    • B60R2325/205—Mobile phones
    • 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
    • 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
    • B60R25/245—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
    • 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
    • B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
    • B60R25/31—Detection related to theft or to other events relevant to anti-theft systems of human presence inside or outside the vehicle
    • 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
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • 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
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle

Definitions

  • the invention relates to an angle determination device for determining an angle between a vehicle and the position of a mobile terminal, a vehicle with such a
  • Angle determination device a method for determining an angle between a vehicle and the position of a mobile terminal, a program element and a
  • the user's mobile terminal may be used for vehicle access, e.g. as a vehicle key.
  • vehicle access e.g. as a vehicle key.
  • Mobile terminals send out transmission signals in all directions via an antenna. These transmission signals can be transmitted by a vehicle or a vehicle. receive a unit in the vehicle and evaluated.
  • a first aspect of the invention relates to a
  • Angle determination device for determining an angle between a vehicle, a defined point in the vehicle or the angle determination device itself and the position of a mobile terminal.
  • this angle determination device has at least two receiving units and one
  • the receiving units each have at least two antennas and are adapted to receive a transmission signal of the mobile terminal.
  • the evaluation unit is set up to identify, for each of the two receiving units, the received signal which was sent directly from the mobile terminal to one of the receiving units in order to derive therefrom the angle between the vehicle, the defined point in the vehicle or the angle determining device determine yourself and the position of the mobile terminal.
  • the transmission signal transmitted by the mobile terminal can be received by the receiving units of the angle determination device.
  • the received received signals can be used to determine the angle between the position of the mobile terminal and the vehicle, the defined point in the vehicle or the angle determination device.
  • Each receiving unit may have at least two antennas. By means of these two antennas, each receiving unit can filter or extract received signals with respect to a specific receiving direction or a receiving angle by means of spatial filtering. In other words, the receiving unit can receive received signals from just one particular direction. This can be done by the at least two receiving units be performed. Furthermore, the evaluation unit can instruct the receiving units to perform this spatial filtering for all angle or direction combinations of the two receiving units. As a result, some combinations can be excluded from the outset as implausible.
  • the right receiving unit could be any suitable right receiving unit.
  • the right receiving unit could be any suitable right receiving unit.
  • the right receiving unit could be any suitable right receiving unit.
  • Receive signals is the mobile terminal and this terminal can not be located in two different locations at the same time. It follows that one of the two received signals can be a received signal reflected at an object. Thus, the second receiving unit scan a smaller angular range than the first receiving unit. This allows the determination of the angle between the position of the mobile
  • Terminal and the vehicle can be accelerated or simplified.
  • the evaluation unit can evaluate the signal propagation time (Time Of Flight, TOF) of the two received signals. By the signal propagation time and the spatial filtering those received signals can be determined as line of sight (LOS), which is the lowest
  • Signal transit time from the mobile terminal to one of the two receiving units have.
  • the angle or the direction of the received signal can be determined for each receiving unit.
  • the evaluation unit may further comprise the receiving units
  • Receiving units can by means of the geometric arrangement of the receiving units and the signal propagation time of the angle between the Position of the mobile terminal and the vehicle can be determined.
  • a predefined point in or on the vehicle can be used to determine the angle.
  • the spatial filtering also called beamforming, with the help of at least two antennas, the direction of the
  • Receiving signal ie the incident signal to be determined.
  • the two antennas can be interconnected in such a way that received signals can be received only at an angle or from one direction.
  • the antennas are aligned in such a way that targeted interference forms between all received received signals.
  • targeted constructive and destructive interferences can be formed, which result in that only received signals are transmitted at a certain angle to the evaluation unit.
  • a received signal can be extracted or isolated from a particular direction.
  • more than two antennas in each of the receiving units can be used, such as in an array or an array antenna.
  • Distance difference can in turn be determined by a geometric evaluation, such as Angulation, the source or the origin, in particular the angle or the position of the
  • the mobile terminal can be located in the vehicle coordinate system. Also, the determination of the angle can be done with few components: two receiving units, each with two antennas and one
  • the system complexity can be kept small.
  • the problem can be solved that with high-frequency signals, such as WLAN, Bluetooth or mobile, due to the low bandwidth, the line of sight signals can not be distinguished from the reflected signals.
  • the distance between the two receiving units is predefined or known. Furthermore, the two receiving units define an axis to which the angle of the mobile terminal is to be determined.
  • the distance between the receiving units and the arrangement of the antennas in the receiving units can be known, so that the geometry of the angle determination device on the angle and the distance between the mobile terminal and the
  • Angle determination device can be closed.
  • the angle with respect to the center of the axis may be related between the receiving units, but also to any other point in or on the vehicle.
  • the signal received by the at least two receiving units is a WLAN signal, a Bluetooth signal and / or a mobile radio signal, such as UMTS, 3G, LTE, 4G or 5G.
  • the wireless transmission or the wireless reception of the update data via Bluetooth, WLAN (eg WLAN 802. lla / b / g / n or WLAN 802.11p), ZigBee or WiMax or also cellular radio systems such as GPRS, UMTS, 3G, 4G, 5G or LTE. It is also possible to use other transmission protocols.
  • the mentioned protocols offer the advantage of already existing standardization.
  • the above and below mentioned signals or signal types can be determined by the mobile
  • End device emitted and received by the angle determination device.
  • Evaluation unit configured to select the two receiving units based on the signal strength of the received signal.
  • Receiving units on can from the majority
  • RSSI Received Signal Strength Indicator
  • Evaluation of all receiving units compare the received signal strength of the transmitted by the mobile terminal transmission signal.
  • the two receiving units with the highest signal strength can be assumed to be the next receiving units to the mobile terminal. These can advantageously be used for determining the angle between the position of the mobile terminal and the vehicle.
  • Evaluation unit configured to determine the signal delay time difference between the
  • Reception signals can be based on distance difference between the first and the second receiving unit to the mobile terminal getting closed. This information in turn can be used for
  • Determining the angle between the position of the mobile terminal and the vehicle can be used.
  • Signal propagation time differences can be determined, for example, by means of a cross-correlation between the two received signals of the
  • Receiving units are determined. Further, by the signal propagation time difference and the geometrical arrangement of the angle determination means, the source of the received signals can be deduced.
  • the evaluation unit is adapted to perform an action based on the specific angle, such as unlocking and / or opening the vehicle door or the boot.
  • the mobile terminal can be used as a vehicle key, so that when the user approaches the vehicle, the corresponding vehicle door is unlocked and / or opened.
  • the angle at which the user approaches the vehicle is relevant in order to unlock the corresponding door of the vehicle.
  • the interior can be appropriately lit, air conditioned or perfumed.
  • the setting (with respect to
  • the mobile terminal may be associated with a particular user of the vehicle.
  • the vehicle can close by the mobile terminal to the respective user.
  • it can be recognized whether the user is approaching the driver's door, the passenger's door or a door of the rear seat bench.
  • multiple mobile terminals can be recognized by the angle determination system, so that several different actions can be performed.
  • the trunk can be opened and the seat adjustment for the driver's seat can be adjusted.
  • Another aspect of the invention relates to a vehicle having a previously and subsequently described
  • the vehicle is, for example, a
  • Motor vehicle such as car, bus or truck, or even to a rail vehicle, a ship, an aircraft, such as helicopters or aircraft.
  • Another aspect of the invention relates to a method for determining an angle between a vehicle and the position of a mobile terminal.
  • the method comprises the following steps:
  • Another aspect of the invention relates to a program element, which, if it is on an evaluation of a
  • Angle determination device instructs to carry out the method described above and below.
  • Another aspect of this invention relates to
  • Angle determination device instructs to carry out the method described above and below.
  • Fig. 1 shows a block diagram of a
  • Fig. 2 shows a schematic representation of a
  • Fig. 3 shows a vehicle with a
  • Fig. 1 shows a block diagram of a
  • Angle determination device 10 has two receiving units 12, 13 and an evaluation unit 11.
  • the receiving units 12, 13 are arranged at a distance d from each other. This distance d can be predefined or known.
  • FIG. 1 shows a mobile terminal 20 of a user.
  • the mobile terminal 20 transmits a transmission signal which can be received by the two reception units 12, 13 as a reception signal 22, 23.
  • the receiving units 12, 13 are adapted to determine the direction and the angle of the respective received signal 22, 23 by means of spatial filtering. Furthermore, the
  • Receiving units 12,13 are filtered out or determined. In other words, received signals which have been reflected on objects can be filtered out.
  • the evaluation unit 11 is set up, based on the received signals 22, 23 of the receiving units 12, 13, the angle between the position of the mobile terminal 20 to the vehicle or the
  • Angle determining device 10 to determine.
  • the angle may be between the position of the mobile terminal 20 and the center of the distance d between the two
  • Receiving units 12, 13 are determined. This determination of the angle can be based on angulation, ie on a geometric evaluation. For spatial filtering, at least two antennas may be provided in each receiving unit 12, 13.
  • Fig. 2 shows an angle determination device 10 with four
  • Receiving units 12, 13, 14, 15 are connected to the evaluation unit 11 and can be queried synchronously by the evaluation unit 11.
  • the evaluation unit 11 is set up to determine the two receiving units which have the smallest distance to the mobile terminal, this can be done by means of the received by the receiving units 12, 13, 14, 15
  • RSSI Signal strength
  • FIG. 3 shows a vehicle 30 with the angle determination device 10. Further, FIG. 3 shows a mobile terminal 20 which transmits a transmission signal.
  • This transmission signal is received by the receiving units 12, 13 both as a direct reception signal 22, 23 and as a reflected reception signal 26.
  • the reflected received signal 26 is reflected at an object 40 and then passed to the receiving unit 12. However, the reflected received signal 26 travels a longer distance compared to the direct received signal 22, thus having a longer signal propagation time.
  • the received signal 23 is also a direct received signal 23 and is received by the receiving unit 13.
  • the evaluation unit 11 is set up to determine the direct reception signals 22, 23 from all the reception signals 22, 23, 26.
  • FIG. 3 also shows the axis a, which represents the connection axis between the two selected receiving units 12, 13.
  • the axis b describes the axis between the mobile terminal 20 and the center of the distance between the two receiving units 12, 13.
  • the angle at which intersect the two axes a and b corresponds to the angle.
  • step S1 a transmission signal is transmitted by a mobile terminal.
  • the direct component, ie the direct signal, of this transmission signal is identified in step S2 by a first receiving unit and as a direct one
  • a second direct signal of the transmission signal is received as a direct reception signal by a second receiving unit and identified.
  • the determination of the signal propagation time difference between the received signal of the first receiving unit and the second receiving unit follows. Based on the signal propagation time difference of the direct reception signals, the angle between the vehicle and the position of the mobile terminal is determined in step S5.

Landscapes

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

Abstract

La présente invention concerne un dispositif de détermination d'angle (10) destiné à déterminer un angle entre un véhicule (30) et la position d'un terminal mobile (20). Ce dispositif de détermination d'angle (10) comprend au moins deux unités de réception (12, 13), conçues pour recevoir un signal d'émission du terminal mobile (20) et une unité d'évaluation (11). L'unité d'évaluation (11) est conçue pour identifier, pour chacune des deux unités de réception (12, 13), le signal de réception (22, 23, 26), qui a été émis sur le trajet direct allant du terminal (20) à une des unités de réception (12, 13), afin de déterminer à partir de ces signaux l'angle entre le véhicule (30) et la position du terminal mobile (20).
EP18752718.9A 2017-08-18 2018-08-03 Détermination d'angle pour la localisation de terminaux mobiles Ceased EP3669593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017214435.1A DE102017214435A1 (de) 2017-08-18 2017-08-18 Winkelbestimmung zur Lokalisierung von mobilen Endgeräten
PCT/EP2018/071099 WO2019034451A1 (fr) 2017-08-18 2018-08-03 Détermination d'angle pour la localisation de terminaux mobiles

Publications (1)

Publication Number Publication Date
EP3669593A1 true EP3669593A1 (fr) 2020-06-24

Family

ID=63165346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18752718.9A Ceased EP3669593A1 (fr) 2017-08-18 2018-08-03 Détermination d'angle pour la localisation de terminaux mobiles

Country Status (3)

Country Link
EP (1) EP3669593A1 (fr)
DE (1) DE102017214435A1 (fr)
WO (1) WO2019034451A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6414634B1 (en) * 1997-12-04 2002-07-02 Lucent Technologies Inc. Detecting the geographical location of wireless units

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10163456A1 (de) * 2001-12-25 2003-07-10 Detlef Mansel Verfahren zur Richtungserkennung einer Mobilfunkaussendung, insbesondere für GSM, UMTS und Wireless LAN, sowie Schaltungsanordnung zur Durchführung des Verfahrens
DE102009058595A1 (de) * 2009-12-17 2011-06-22 Siemens Aktiengesellschaft, 80333 Detektion einer Verformung eines Flügels einer Windkraftanlage
US9682683B2 (en) * 2015-10-15 2017-06-20 GM Global Technology Operations LLC Determining proximity of a user to a vehicle using a plurality of wireless devices
DE102016201845A1 (de) * 2016-02-08 2017-08-10 Volkswagen Aktiengesellschaft Verfahren und System zum Erfassen einer Eingabe für eine Einrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6414634B1 (en) * 1997-12-04 2002-07-02 Lucent Technologies Inc. Detecting the geographical location of wireless units

Also Published As

Publication number Publication date
WO2019034451A1 (fr) 2019-02-21
DE102017214435A1 (de) 2019-02-21

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