CN115743028A

CN115743028A - Keyless entry control system, keyless entry method and device for vehicle

Info

Publication number: CN115743028A
Application number: CN202211537593.6A
Authority: CN
Inventors: 贾潇
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-07

Abstract

The application discloses a keyless entry control system, a keyless entry method and a keyless entry device of a vehicle, and belongs to the technical field of digital vehicle keys. The keyless entry control system of the vehicle comprises the vehicle, a master electronic device and a first slave electronic device, wherein a data communication connection is established between the master electronic device and the first slave electronic device; the method comprises the steps that under the condition that data communication connection is established between main electronic equipment and a vehicle, distance measurement communication parameters corresponding to the vehicle are obtained from the vehicle; the main electronic equipment initiates ranging communication to the vehicle according to the ranging communication parameters; the method comprises the steps that under the condition that the master electronic device does not receive response information of a vehicle to ranging communication within a preset time length, ranging communication parameters are sent to a first slave electronic device; the first slave electronic equipment initiates ranging communication to the vehicle according to the ranging communication parameters under the condition of receiving the ranging communication parameters; and the first slave electronic equipment sends a control instruction to the vehicle under the condition of receiving the response information, wherein the control instruction is used for controlling the unlocking or locking of the vehicle.

Description

Keyless entry control system, keyless entry method and device for vehicle

Technical Field

The application belongs to the technical field of digital vehicle keys, and particularly relates to a keyless entry control system, a keyless entry method and a keyless entry device for a vehicle.

Background

In the related art, a vehicle with a keyless entry function is automatically unlocked or locked by carrying electronic equipment on a user, so that the user does not need to manually operate a vehicle key to unlock or lock.

The electronic device realizes data interaction with the vehicle through Near Field Communication (NFC), bluetooth Low Energy (BLE) and Ultra wide band Communication (UWB) Communication, thereby realizing automatic unlocking or automatic locking. Among them, the keyless entry of UWB technology has higher security and unlocking accuracy, and is a better solution for keyless entry.

The working frequency of the UWB signal is high, which results in large signal attenuation in space and poor diffraction capability. When a user places the electronic device in a backpack or a pocket, unlocking failure may be caused due to blockage of a human body, clothes or the backpack, and the experience of keyless entry is affected.

Disclosure of Invention

The embodiment of the application aims to provide a keyless entry control system, a keyless entry method and a keyless entry device of a vehicle, which can improve the success rate of keyless entry.

In a first aspect, an embodiment of the present application provides a keyless entry control system for a vehicle, including a vehicle, a master electronic device, and a first slave electronic device, where a data communication connection is established between the master electronic device and the first slave electronic device;

the method comprises the steps that under the condition that data communication connection is established between main electronic equipment and a vehicle, distance measurement communication parameters corresponding to the vehicle are obtained from the vehicle;

the main electronic equipment initiates ranging communication to the vehicle according to the ranging communication parameters;

the method comprises the steps that under the condition that the master electronic device does not receive response information of a vehicle to ranging communication within a preset time length, ranging communication parameters are sent to a first slave electronic device;

the first slave electronic equipment initiates ranging communication to the vehicle according to the ranging communication parameters under the condition of receiving the ranging communication parameters;

and the first slave electronic equipment sends a control instruction to the vehicle when receiving the response information, wherein the control instruction is used for controlling the unlocking or locking of the vehicle.

In a second aspect, embodiments of the present application provide a keyless entry method for a vehicle, which is performed by a main electronic device, and includes:

under the condition of establishing data communication connection with the vehicle, receiving a ranging communication parameter corresponding to the vehicle;

initiating ranging communication to the vehicle according to the ranging communication parameters;

under the condition that response information of the vehicle to the ranging communication request is received, sending a control command to the vehicle, wherein the control command is used for controlling unlocking or locking of the vehicle;

and under the condition that the response information of the vehicle to the ranging communication is not received within the preset time length, transmitting the ranging communication parameters to the first slave electronic equipment.

In a third aspect, an embodiment of the present application provides a keyless entry method of a vehicle, which is performed by a slave electronic device, and includes:

under the condition of receiving the ranging communication parameters sent by the main electronic equipment, initiating ranging communication to the vehicle according to the ranging communication parameters;

under the condition that response information of the vehicle to the ranging communication request is received, sending a control instruction to the vehicle, wherein the control instruction is used for controlling unlocking or locking of the vehicle;

and under the condition that the response information of the vehicle to the ranging communication is not received within the preset time, sending ranging failure information to the main electronic equipment.

In a fourth aspect, an embodiment of the present application provides a keyless entry device, which is applied to a main electronic device, and includes:

the acquisition module is used for acquiring the distance measurement communication parameters corresponding to the vehicle from the vehicle under the condition of establishing data communication connection with the vehicle;

the first ranging communication module is used for initiating ranging communication to the vehicle according to the ranging communication parameters;

the first sending module is used for sending a control instruction to the vehicle under the condition of receiving response information of the vehicle to the ranging communication request, wherein the control instruction is used for controlling the vehicle to be unlocked or locked; and

and under the condition that the response information of the vehicle to the ranging communication is not received within the preset time length, sending the ranging communication parameters to the first slave electronic equipment.

In a fifth aspect, an embodiment of the present application provides a keyless entry device for a vehicle, which is applied to a slave electronic device, and includes:

the second ranging communication module is used for initiating ranging communication to the vehicle according to the ranging communication parameters under the condition of receiving the ranging communication parameters sent by the main electronic equipment;

the second sending module is used for sending a control instruction to the vehicle under the condition of receiving response information of the vehicle to the ranging communication request, wherein the control instruction is used for controlling the vehicle to be unlocked or locked; and

In a sixth aspect, embodiments of the present application provide an electronic device comprising a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the keyless entry method according to the second and/or third aspect.

In a seventh aspect, the present embodiments provide a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the keyless entry method according to the second and/or third aspect.

In an eighth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the keyless entry method according to the second aspect and/or the third aspect.

In a ninth aspect, embodiments of the present application provide a computer program product, stored on a storage medium, which is executed by at least one processor to implement the keyless entry method according to the second and/or third aspect.

In the embodiment of the application, the main electronic device can be an electronic device such as a mobile phone, and under the situation that a vehicle enters without a key, the main electronic device is in data communication connection with the vehicle, so that distance measurement communication parameters sent by the vehicle are obtained, distance measurement communication is carried out between the main electronic device and a distance measurement communication module arranged on the vehicle, and the vehicle can be unlocked after distance measurement and positioning are successfully carried out.

If at this moment, because the range finding communication between main electronic equipment and the vehicle can not be accomplished, then main electronic equipment sends the range finding communication parameter to slave electronic equipment, this slave electronic equipment can be equipment such as intelligent wrist-watch, intelligent glasses, bracelet or earphone that the user wore, at this moment, slave electronic equipment passes through synchronous range finding communication parameter of main electronic equipment, with the vehicle location communication of finding range, thereby when main electronic equipment such as cell-phone leads to the location to fail because of the blocking of human body, clothes or knapsack, still can realize the vehicle unblock through slave electronic equipment, the success rate and the reliability of keyless entry have been guaranteed, the use experience of keyless entry has been improved.

Drawings

FIG. 1 shows a schematic structural diagram of a keyless entry control system of a vehicle according to an embodiment of the application;

FIG. 2 shows one of the flow diagrams of a keyless entry method according to an embodiment of the application;

fig. 3 shows a schematic diagram of communication between a master electronic device and a slave electronic device according to an embodiment of the present application;

FIG. 4 illustrates a second flowchart of a keyless entry method according to an embodiment of the present application;

FIG. 5 illustrates a third flowchart of a keyless entry method according to an embodiment of the present application;

FIG. 6 illustrates a fourth flowchart of a keyless entry method according to an embodiment of the present application;

FIG. 7 illustrates one of the block diagrams of the keyless entry device according to an embodiment of the present application;

FIG. 8 illustrates a second block diagram of the keyless entry device according to an embodiment of the present application;

FIG. 9 shows a block diagram of an electronic device according to an embodiment of the application;

fig. 10 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The keyless entry control system, the keyless entry method and the device of the vehicle according to the embodiments of the present application are described in detail below with reference to the accompanying drawings and specific embodiments and application scenarios thereof.

In some embodiments of the present application, a keyless entry control system of a vehicle is provided, fig. 1 shows a schematic structural diagram of the keyless entry control system of the vehicle according to the embodiments of the present application, as shown in fig. 1, a keyless entry control system 100 of the vehicle includes a vehicle 102, a master electronic device 104 and a first slave electronic device 106, a data communication connection is established between the master electronic device 104 and the first slave electronic device 106;

the main electronic device 104 acquires a ranging communication parameter corresponding to the vehicle 102 from the vehicle 102 under the condition that the data communication connection is established with the vehicle 102;

the master electronic device 104 initiates ranging communications to the vehicle 102 according to the ranging communication parameters;

the master electronic device 104 sends the ranging communication parameters to the first slave electronic device 106 when not receiving the response information of the vehicle 102 to the ranging communication within a preset time period;

the first slave electronic device 106, upon receiving the ranging communication parameter, initiates ranging communication to the vehicle 102 according to the ranging communication parameter;

the first slave electronic device 106, upon receiving the response information, transmits a control instruction to the vehicle 102, where the control instruction is used to control unlocking or locking of the vehicle 102.

In this application embodiment, the master electronic device may be an electronic device such as a mobile phone, and the first slave electronic device may be a wearable device that is in communication connection with the mobile phone, such as a smart watch, a smart bracelet, smart glasses, or an earphone.

The main electronic equipment such as a mobile phone and the like performs data interaction with the vehicle through a ranging communication technology and performs wireless ranging based on ranging communication, so that when the vehicle detects that the electronic equipment entering without a key approaches the vehicle, unlocking operation is performed, and keyless entry is realized.

Specifically, as shown in fig. 1, taking the case of keyless entry via the CCC digital vehicle key protocol as an example, a vehicle 102 with keyless entry is provided with at least one communication module 1022 for establishing ranging communication or data communication, which is commonly referred to as a transponder (responder) in the CCC digital vehicle key.

The master electronic device 104 and the first slave electronic device 106, such as a headset and a watch, form a Wireless Body Area Network (WBAN), and the electronic device that performs Ranging communication with the vehicle to perform Ranging forms a Ranging Area Network (RAN) with the vehicle.

The master electronic device 104 establishes a data communication connection with the vehicle 102 through data communication, and completes a ranging communication parameter negotiation with the vehicle 102 through the data communication connection, so as to obtain a ranging communication parameter corresponding to the vehicle 102, as can be understood, the process follows the CCC digital car key protocol.

After obtaining the ranging communication parameters, the master electronic device and N slave electronic devices including the first slave electronic device form a circular communication queue, specifically, taking the master electronic device as a mobile phone and the first slave electronic device as a smart watch as an example, an example is given. Firstly, the mobile phone establishes ranging communication with the vehicle through the acquired ranging communication parameters, namely initiates communication forming a ranging domain network with the vehicle. And after receiving the ranging communication data packet sent by the mobile phone, the transponder arranged on the vehicle returns corresponding response information to the mobile phone.

If the mobile phone does not receive the response information replied by the vehicle within the preset time after initiating the ranging communication, judging that the ranging data packet sent by the mobile phone is not received by the transponder of the vehicle due to the blocking of a human body, clothes or a backpack and the like, or judging that the ranging communication between the mobile phone and the vehicle fails when the response information returned by the transponder of the vehicle is blocked and not received by the mobile phone.

At this time, the mobile phone sends the ranging communication parameters of the vehicle to the first slave electronic device, namely the smart watch, synchronously through the wireless body area network between the mobile phone and the first slave electronic device, and the mobile phone is possibly prevented from being in a pocket or a backpack, but the watch is generally worn on the wrist by a user, namely the two watches are different in position, so that when the ranging data packet of the mobile phone fails to be sent due to shielding, ranging communication is carried out through the smart watch.

After the ranging communication is successful, the vehicle acquires the master electronic device or the first slave electronic device, namely the distance between the user and the vehicle, and when the fact that the distance between the user and the vehicle is smaller than an unlocking distance threshold value is detected, the vehicle executes corresponding unlocking operation according to a control command sent by the user through the master electronic device or the first slave electronic device, so that keyless entry is achieved.

This application is through when main electronic equipment such as cell-phone does not have the key and gets into failure, through the wireless body area network between main electronic equipment and the slave electronic equipment, send the range finding communication parameter of vehicle to slave electronic equipment, carry out the range finding communication through slave electronic equipment, this slave electronic equipment can be the intelligent wrist-watch that the user wore, intelligent glasses, equipment such as bracelet or earphone, thereby main electronic equipment such as cell-phone is because human, when blocking of clothes or knapsack leads to the range finding failure, still can realize the vehicle unblock through slave electronic equipment, the success rate and the reliability that the no key got into have been guaranteed, the use that the no key got into is experienced has been improved.

In some embodiments of the present application, the keyless entry control system further comprises a second slave electronic device, a data communication connection being established between the master electronic device and the second slave electronic device;

the method comprises the steps that first slave electronic equipment sends first ranging failure information to main electronic equipment under the condition that response information is not received within a preset time length after ranging communication is initiated to a vehicle;

the master electronic device sends the ranging communication parameters to the second slave electronic device under the condition of receiving the first ranging failure information;

the second slave electronic equipment initiates ranging communication to the vehicle according to the ranging communication parameters under the condition of receiving the ranging communication parameters;

the second slave electronic equipment sends a control instruction to the vehicle under the condition of receiving the response information;

and the second slave electronic equipment sends second ranging failure information to the main electronic equipment under the condition that the second slave electronic equipment does not receive the response information within the preset time length.

In this application embodiment, the number of the slave electronic devices is a plurality of, specifically includes first slave electronic device and second slave electronic device, and first slave electronic device and second slave electronic device are wearable device, including smart eye, earphone, smart watch, intelligent bracelet etc. first slave electronic device and second slave electronic device all establish data communication connection with main electronic device.

In some embodiments, a data communication connection may also be established between the first slave electronic device and the second slave electronic device.

When the keyless entry is carried out, the main electronic equipment is responsible for completing the distance measurement communication parameter negotiation with the vehicle, so that the distance measurement communication parameters corresponding to the vehicle are obtained. Wherein the main electronic device is in the RAN network by communication with the vehicle. After obtaining the ranging communication parameters, the master electronic device forms a circular communication queue with the first slave electronic device and the second slave electronic device.

After the ranging communication parameters are obtained, the main electronic device tries to establish ranging communication with the vehicle through the obtained ranging communication parameters, namely, initiates communication with the vehicle to form a ranging domain network. And after receiving the ranging communication data packet sent by the mobile phone, the transponder arranged on the vehicle returns corresponding response information to the mobile phone.

And if the master electronic equipment does not receive response information replied by the vehicle within a preset time after initiating the ranging communication, the master electronic equipment sends the ranging communication parameters to the first slave electronic equipment through WBAN network connection, and initiates the ranging communication to the vehicle through the first slave electronic equipment.

If the first slave electronic device still does not receive response information returned by the vehicle within a preset time length after initiating the ranging communication to the vehicle, it is indicated that the ranging communication between the first slave electronic device and the vehicle is also interfered, and at this moment, the first slave electronic device can send first ranging failure information to the master electronic device to inform the master electronic device that the ranging communication is unsuccessful.

And after receiving the first ranging failure information, the master electronic equipment continues to send the ranging communication parameters to the second slave electronic equipment according to the circulating communication queue. And after receiving the ranging communication parameters, the second slave electronic equipment tries to establish ranging communication connection with the vehicle according to the same ranging communication mode.

And within a preset time length after the second slave electronic equipment initiates positioning communication to the vehicle, if the second slave electronic equipment receives response information of the vehicle for distance measurement communication connection, performing keyless entry control through the distance measurement communication between the second slave electronic equipment and the vehicle.

And if the second slave electronic device does not receive the response information within the preset time length, sending second ranging failure information to the master electronic device. After receiving the second ranging failure information, the master electronic device continues to send ranging communication parameters to the third slave electronic device according to the cyclic communication queue, and tries to enter the vehicle without a key through the third slave electronic device until the nth slave electronic device successfully establishes ranging communication with the vehicle, or when all slave electronic devices in the cyclic communication queue do not successfully establish ranging communication, the master electronic device starts to repeatedly perform ranging communication connection with the vehicle according to the sequence of the cyclic communication queue.

The embodiment of the application can assist the mobile phone to enter without a key by utilizing wearable equipment worn by a user, such as a watch, a bracelet and an earphone, so that additional equipment is not required to be added, the success rate of entering without a key is improved under the condition of not increasing the cost, and the entering without a key is more convenient.

In some embodiments of the present application, the ranging communication parameters comprise ultra-wideband communication parameters.

In the embodiment of the application, the distance between a user and a vehicle can be accurately acquired in real time by performing distance measurement communication through ultra-wideband (UWB) communication, the vehicle can be automatically unlocked when the distance is smaller than an unlocking threshold value, and the vehicle can be automatically locked when the distance is larger than a locking threshold value, so that high-reliability keyless entry is realized

In some embodiments of the present application, there is provided a keyless entry method of a vehicle, performed by a master electronic device, fig. 2 shows one of flowcharts of the keyless entry method according to an embodiment of the present application, as shown in fig. 2, the keyless entry method comprising:

step 202, acquiring corresponding ranging communication parameters from a vehicle under the condition of establishing data communication connection with the vehicle;

step 204, initiating ranging communication to the vehicle according to the ranging communication parameters;

step 206, sending a control instruction to the vehicle under the condition of receiving the response information of the vehicle to the ranging communication request;

the control instruction is used for controlling unlocking or locking of the vehicle;

and step 208, under the condition that the response information of the vehicle to the ranging communication is not received within the preset time length, sending the ranging communication parameters to the first slave electronic equipment.

In this embodiment, the master electronic device may be an electronic device such as a mobile phone, and the slave electronic device may be an electronic device that is in communication connection with the mobile phone, such as a smart watch, a smart bracelet, smart glasses, or an earphone.

The main electronic device can be connected with the vehicle through low-power-consumption data connection such as BLE and the like in a data communication mode. After the communication connection is successfully established with the vehicle, the mobile phone acquires the ranging communication parameters, such as UWB communication parameters, from the vehicle.

After obtaining the ranging communication parameters, the master electronic device and the N slave electronic devices form a circular queue, and specifically, the master electronic device is taken as a mobile phone, and the slave electronic devices include a smart watch and an earphone as an example, which is illustrated. Firstly, the mobile phone establishes distance measurement positioning communication with the vehicle through the acquired distance measurement communication parameters, namely initiates communication forming a distance measurement domain network with the vehicle. And after receiving the positioning communication data packet sent by the mobile phone, the transponder arranged on the vehicle returns corresponding response information to the mobile phone.

If the mobile phone does not receive the response information replied by the vehicle within the preset time after initiating the positioning communication, the mobile phone judges that the ranging positioning data packet sent by the mobile phone is not received by the transponder of the vehicle due to the blocking of a human body, clothes or a backpack and the like, or the response information returned by the transponder of the vehicle is blocked and not received by the mobile phone, and at the moment, the positioning communication between the mobile phone and the vehicle is judged to be failed.

At this moment, the mobile phone sends the ranging communication parameters of the vehicle to the first slave electronic device, namely the smart watch, synchronously through the wireless body area network between the mobile phone and the slave electronic device, and the mobile phone can be prevented from being in a pocket or a backpack, while the watch is generally worn on the wrist by a user, namely the two positions are different, so that when the ranging positioning data packet of the mobile phone fails to be sent due to shielding, ranging positioning communication is carried out through the smart watch.

It can be understood that, if the smart watch also fails to perform positioning communication, the mobile phone continues to send the ranging communication parameters to the headset, and performs positioning communication through the headset.

After the positioning communication is successful, the vehicle acquires the electronic equipment, namely the distance between the user and the vehicle, when the fact that the distance between the user and the vehicle is smaller than an unlocking distance threshold value is detected, the vehicle executes unlocking operation to achieve keyless entry, and when the fact that the distance between the user and the vehicle is larger than a locking distance threshold value is detected, the vehicle executes locking operation to achieve automatic locking.

This application is through when main electronic equipment such as cell-phone does not have key entering failure, through the wireless body area network between main electronic equipment and the slave electronic equipment, send the range finding communication parameter of vehicle to slave electronic equipment, carry out range finding location communication through slave electronic equipment, this slave electronic equipment can be the intelligent wrist-watch that the user wore, intelligent glasses, equipment such as bracelet or earphone, thereby main electronic equipment such as cell-phone is because human, when the blocking of clothes or knapsack leads to the location failure, still can realize the vehicle unblock through slave electronic equipment, the success rate and the reliability that no key got into have been guaranteed, the use that no key got into is experienced has been improved.

In some embodiments of the present application, after transmitting the ranging communication parameters to the first slave electronic device, the keyless entry method further comprises:

and in the case of receiving the first ranging failure information transmitted by the first slave electronic device, transmitting the ranging communication parameters to the second slave electronic device.

In the embodiment of the application, after the positioning communication between the master electronic device and the vehicle fails, the master electronic device sends the ultra-wideband communication parameters corresponding to the vehicle to the first slave electronic device, for example, when the positioning communication between the mobile phone and the vehicle fails, the mobile phone sends the ultra-wideband communication parameters of the vehicle to the watch, and the watch performs the positioning communication for keyless entry.

And if the watch, that is, the positioning communication of the first slave electronic device is unsuccessful, specifically, if the first slave electronic device does not receive the response information returned by the vehicle within the preset time after the positioning communication is performed on the vehicle, the first slave electronic device sends positioning communication failure information to the master electronic device, and if the master electronic device receives the positioning communication failure information of the first slave electronic device, the master electronic device determines a second slave electronic device, such as an earphone, according to the cyclic communication queue, sends the ultra-wideband communication parameters of the vehicle to the second slave electronic device, and performs ranging positioning communication through the second slave electronic device.

According to the embodiment of the application, by utilizing the wireless body area network between the master electronic device and the slave electronic device, under the condition that the master electronic device fails in keyless entry, the distance measurement communication parameters of the vehicle are sent to the slave electronic device through the wireless body area network, and keyless entry is carried out through the slave electronic device, so that the success rate of keyless entry is improved.

In some embodiments of the present application, initiating ranging communications to the vehicle according to the ranging communication parameters comprises:

transmitting polling information to the vehicle and receiving corresponding response information;

and determining that the positioning communication positioning is successful under the condition of repeatedly receiving M response messages, wherein M is a positive integer greater than or equal to 3.

In the embodiment of the application, when the electronic device initiates positioning communication to the vehicle, polling information is sent to the vehicle according to UWB communication parameters of the vehicle, wherein the polling information comprises a Pre-polling (Pre-Poll) data packet and a polling (Poll) data packet.

And after receiving the polling information, the transponder of the vehicle returns response information corresponding to the polling information to the electronic equipment. After receiving the response information, the electronic device repeatedly transmits the polling information and repeatedly receives the response information of the polling information.

When M times of data packets of polling information and response information are completed between a vehicle and the electronic equipment, namely bilateral-bidirectional ranging (DS-TWR) can be realized, at the moment, a vehicle-mounted computing unit of the vehicle can calculate a distance value between a user carrying the electronic equipment and the vehicle, an unlocking operation is executed when the distance between the user and the vehicle is smaller than an unlocking distance threshold value, and a locking operation is executed when the distance between the user and the vehicle is larger than a locking distance threshold value.

According to the embodiment of the application, the distance between the electronic equipment and a vehicle is acquired through bilateral-bidirectional distance measurement based on UWB communication, automatic unlocking or automatic locking is carried out based on a distance measurement result, and high-precision keyless entry is realized.

In some embodiments of the present application, the keyless entry method further comprises:

and under the condition of receiving N pieces of positioning communication failure information sent by the electronic equipment, restarting positioning communication to the vehicle according to the ultra-wideband communication parameters.

In the embodiment of the application, when the positioning communication between the master electronic device and the vehicle fails, the master electronic device sends the UWB communication parameters to the first slave electronic device, and the first slave electronic device performs the positioning communication with the vehicle. And when the positioning communication between the first slave electronic device and the vehicle fails, the first slave electronic device sends positioning communication failure information to the master electronic device, the master electronic device sends the UWB communication parameters to the second slave electronic device after receiving the positioning communication failure information, the second slave electronic device performs positioning communication with the vehicle, and the like.

If all the N slave electronic devices do not successfully establish positioning communication with the vehicle, the master electronic device receives N positioning communication failure messages of all the N slave electronic devices, at this time, the master electronic device re-learns positioning communication with the vehicle, and circulates the positioning communication with the master electronic device as a mobile phone and the slave electronic devices including a watch and a headset, fig. 3 shows a communication schematic diagram of the master electronic device and the slave electronic devices according to an embodiment of the application, and as shown in fig. 3, the positioning communication process is sequentially performed in a circular queue formed by the mobile phone, the watch and the headset, and notification, polling and response are completed. Communication between the handset, watch and headset and the vehicle is performed in the RAN, and communication between the handset, watch and headset is performed in the wireless body area network WBAN.

According to the embodiment of the application, the main electronic device and the N slave electronic devices are circularly communicated with the vehicle in a positioning mode, so that the success rate of positioning communication can be improved, and the success rate of keyless entry is improved.

In some embodiments of the present application, a keyless entry method of a vehicle is provided, which is executed by a slave electronic device, fig. 4 shows a second flowchart of the keyless entry method according to the embodiment of the present application, and as shown in fig. 4, the keyless entry method includes:

step 402, initiating ranging communication to the vehicle according to the ranging communication parameters under the condition of receiving the ranging communication parameters sent by the main electronic equipment;

step 404, sending a control instruction to the vehicle when receiving the response information of the vehicle to the ranging communication request;

and step 406, sending ranging failure information to the main electronic device under the condition that the response information of the vehicle to the ranging communication is not received within the preset time length.

The main electronic equipment such as a mobile phone and the like performs data interaction with the vehicle through a ranging communication technology and performs wireless positioning based on ranging communication, so that when the vehicle detects that the electronic equipment entering without a key approaches the vehicle, unlocking operation is performed, and keyless entry is realized.

The main electronic equipment acquires the distance measurement communication parameters of the vehicle through BLE communication connection, and is in communication connection with the vehicle based on the acquired distance measurement communication parameters. When the master electronic device fails in a ranging communication connection with the vehicle, the master electronic device transmits the ranging communication parameters to the slave electronic devices.

After receiving the ranging communication parameters, the slave electronic device sends polling information to the vehicle through the ranging communication parameters of the vehicle, wherein the polling information comprises a Pre-polling (Pre-Poll) data packet and a polling (Poll) data packet.

If response information returned by the vehicle is not received within preset time after the slave electronic device sends the polling information, the positioning communication between the slave electronic device and the vehicle is determined to be failed, the slave electronic device sends positioning failure information to the master electronic device, the master electronic device further determines a second slave electronic device from N slave electronic devices which are connected with the master device after receiving the current positioning communication failure information of the first slave electronic device, the ultra-wideband communication parameters of the vehicle are sent to the second slave electronic device, and the ranging positioning communication is carried out through the second slave electronic device.

And if the response information returned by the vehicle is received from the electronic equipment, repeatedly transmitting the polling data packet and repeatedly receiving the response information of the polling information.

When M times of polling information and response information data packets are completed between a vehicle and a slave electronic device, bilateral-bidirectional distance measurement can be realized, at the moment, a vehicle-mounted computer of the vehicle can calculate a distance value between a user carrying the slave electronic device and the vehicle, an unlocking operation is executed when the distance between the user and the vehicle is smaller than an unlocking distance threshold value, and a locking operation is executed when the distance between the user and the vehicle is larger than a locking distance threshold value.

In some embodiments of the present application, there is provided a keyless entry method of a vehicle, which is performed by the vehicle, fig. 5 shows a third flowchart of the keyless entry method according to the embodiment of the present application, and as shown in fig. 5, the keyless entry method includes:

step 502, under the condition that the vehicle establishes communication connection with the main electronic equipment, transmitting ultra-wideband communication parameters to the main electronic equipment through the communication connection;

step 504, in the case of receiving the polling information transmitted by the master electronic device or the slave electronic device, transmitting response information to the master electronic device or the slave electronic device which transmits the polling information;

step 506, under the condition that the M pieces of polling information are repeatedly received, determining a distance value between the master electronic device and the slave electronic device which send the M pieces of polling information according to the M pieces of polling information;

step 508, in the case that the distance value is less than or equal to the first threshold, performing an unlocking operation;

step 510, in the case that the distance value is greater than or equal to a second threshold value, executing locking operation;

wherein the second threshold is greater than the first threshold.

In this application embodiment, the master electronic device may be an electronic device such as a mobile phone, and the slave electronic device may be an electronic device that is in communication connection with the mobile phone, such as a smart watch, a smart band, smart glasses, or an earphone.

The main electronic equipment such as a mobile phone and the like performs data interaction with the vehicle through a UWB communication technology and performs wireless positioning based on the UWB communication, so that when the vehicle detects that the electronic equipment entering without a key approaches the vehicle, unlocking operation is performed, and keyless entry is realized.

Specifically, BLE communication connection is established between the main electronic device serving as the CCC digital vehicle key and the vehicle, UWB communication parameter negotiation between the vehicle and the main electronic device is completed through the BLE communication connection, and the vehicle sends the negotiated UWB communication parameters to the main electronic device.

And the master electronic equipment initiates UWB positioning communication to the vehicle based on the received UWB communication parameters, and specifically sends polling information to the vehicle. And if the vehicle receives the polling information sent by the main electronic equipment, corresponding response information is returned to the main electronic equipment. When the polling information transmitted by the master electronic device cannot be received by the vehicle, the master electronic device cannot receive the response information, and at this time, the master electronic device transmits UWB communication parameters of the vehicle to the slave electronic device, and the slave electronic device transmits the polling information to the vehicle based on the UWB communication parameters.

When the vehicle successfully receives the polling information sent by any electronic equipment and returns the corresponding response information to the electronic equipment, the process is repeated, M pieces of polling information are guided to be received, and M pieces of response information are returned. When M times of polling information and response information data packets are completed, bilateral-bidirectional distance measurement can be achieved, at the moment, a vehicle-mounted computing unit of a vehicle can calculate a distance value between a user carrying the electronic equipment and the vehicle, unlocking operation is performed when the distance between the user and the vehicle is smaller than an unlocking distance threshold value, and locking operation is performed when the distance between the user and the vehicle is larger than a unlocking distance threshold value.

This application is through when main electronic equipment such as cell-phone does not have key entering failure, through the wireless body area network between main electronic equipment and the slave electronic equipment, send the UWB communication parameter of vehicle to slave electronic equipment, carry out UWB location communication through slave electronic equipment, this slave electronic equipment can be the intelligent wrist-watch that the user wore, intelligent glasses, equipment such as bracelet or earphone, thereby main electronic equipment such as cell-phone is because human, when the blocking of clothes or knapsack leads to the location failure, still can realize the vehicle unblock through slave electronic equipment, the success rate and the reliability that no key got into have been guaranteed, the use that no key got into is experienced has been improved.

In some embodiments of the present application, fig. 6 illustrates a fourth flowchart of a keyless entry method according to an embodiment of the present application, and as shown in fig. 6, taking a master electronic device as a mobile phone, a first slave electronic device as a watch, and a second slave electronic device as an earphone as an example, the keyless entry method includes:

step 602, the mobile phone and the vehicle finish UWB parameter negotiation;

step 604, the mobile phone sends a pre-polling data packet and a polling data packet in sequence;

step 606, judging whether the mobile phone receives the response data packet; if yes, go to step 608, otherwise go to step 610;

step 608, the mobile phone continues to carry out distance measurement communication with the vehicle, and the mobile phone enters the vehicle without a key according to the distance measurement communication;

step 610, synchronizing UWB parameters between the mobile phone and the watch, and informing the watch and the vehicle to start ranging communication through BLE;

step 612, the watch sequentially sends a pre-polling data packet and a polling data packet;

step 614, judging whether the watch receives a response data packet; if yes, go to step 616, otherwise go to step 618;

step 616, the watch continues to perform distance measurement communication with the vehicle, and the vehicle enters without a key according to the distance measurement communication;

step 618, the watch informs the mobile phone of the UWB ranging failure through BLE;

step 620, synchronizing UWB parameters between the mobile phone and the earphone, and informing the earphone and the vehicle to start ranging communication through BLE;

step 622, the headset sequentially sends a pre-polling data packet and a polling data packet;

step 624, determine if the earphone receives a response packet; if yes, go to step 626, otherwise go to step 628;

step 626, the earphone continues to perform distance measurement communication with the vehicle, and the vehicle enters without a key according to the distance measurement communication;

in step 628, the headset notifies the handset of UWB ranging failure through BLE, and returns to step 604.

In the embodiment of the application, under the circumstance that keyless entry is realized through UWB, the mobile phone of the main electronic equipment is in communication connection with the vehicle, so that UWB communication parameters sent by the vehicle are obtained, positioning communication is carried out on the mobile phone and the UWB communication module arranged on the vehicle, and the vehicle can be unlocked after the positioning is successful. And if this moment because UWB location communication between cell-phone and the vehicle can't be accomplished, then the cell-phone sends UWB communication parameter to the smart watch that the user wore, smart glasses, slave electronic equipment such as bracelet or earphone, this moment, slave electronic equipment such as wrist-watch passes through the synchronous UWB communication parameter of cell-phone, carry out UWB location communication with the vehicle, thereby when the cell-phone leads to the location to fail because of human, the blocking of clothes or knapsack, still can pass through the wrist-watch, realize vehicle unblock such as earphone, the success rate and the reliability of keyless entry have been guaranteed, the use that the keyless entered is experienced has been improved.

According to the keyless entry method provided by the embodiment of the application, the execution main body can be a keyless entry device. In the embodiments of the present application, a method for performing keyless entry by using a keyless entry device is taken as an example to describe a keyless entry device provided in the embodiments of the present application.

In some embodiments of the present application, there is provided a keyless entry device, which is applied to a main electronic device, and fig. 7 shows one of the block diagrams of the keyless entry device according to the embodiments of the present application, and as shown in fig. 7, the keyless entry device 700 includes:

an obtaining module 702, configured to obtain a distance measurement communication parameter corresponding to a vehicle from the vehicle when a data communication connection is established with the vehicle;

the first ranging communication module 704 is used for initiating ranging communication to the vehicle according to the ranging communication parameters;

a first sending module 706, configured to send a control instruction to the vehicle when response information of the vehicle to the ranging communication request is received, where the control instruction is used to control unlocking or locking of the vehicle; and under the condition that the response information of the vehicle to the ranging communication is not received within the preset time length, transmitting the ranging communication parameters to the first slave electronic equipment.

In some embodiments of the present application, the first sending module is further configured to send the ranging communication parameters to the second slave electronic device in a case where the first ranging failure information sent by the first slave electronic device is received.

According to the embodiment of the application, by utilizing the wireless body area network between the master electronic equipment and the slave electronic equipment, under the condition that the keyless entry of the master electronic equipment fails, the distance measurement communication parameters of the vehicle are sent to the slave electronic equipment through the wireless body area network, and the keyless entry is carried out through the slave electronic equipment, so that the success rate of keyless entry is improved.

In some embodiments of the present application, a keyless entry device for a vehicle is provided, which is applied to a slave electronic device, fig. 8 shows a second structural block diagram of the keyless entry device according to the embodiment of the present application, and as shown in fig. 8, the keyless entry device 800 includes:

the second ranging communication module 802 is configured to initiate ranging communication to the vehicle according to the ranging communication parameter when receiving the ranging communication parameter sent by the main electronic device;

the second sending module 804 is configured to send a control instruction to the vehicle when response information of the vehicle to the ranging communication request is received, where the control instruction is used to control unlocking or locking of the vehicle; and

The keyless entry device in the embodiment of the present application may be an electronic device, or may be a component in the electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal, or may be a device other than a terminal. The electronic Device may be, for example, a Mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic Device, a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) Device, a robot, a wearable Device, an ultra-Mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and may also be a server, a Network Attached Storage (Network Attached Storage, NAS), a Television (TV), a teller machine (teller machine), a self-service machine, and the like, and the embodiments of the present application are not limited in particular.

The keyless entry device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system (Android), an iOS operating system, or other possible operating systems, which is not specifically limited in the embodiments of the present application.

The keyless entry device provided by the embodiment of the present application can implement each process implemented by the above method embodiment, and is not described here again to avoid repetition.

Optionally, an embodiment of the present application further provides an electronic device, fig. 9 shows a block diagram of a structure of the electronic device according to the embodiment of the present application, and as shown in fig. 9, an electronic device 900 includes a processor 902, a memory 904, and a program or an instruction stored in the memory 904 and capable of running on the processor 902, where the program or the instruction implements each process of the method embodiment when executed by the processor 902, and can achieve the same technical effect, and is not described herein again to avoid repetition.

It should be noted that the electronic devices in the embodiments of the present application include the mobile electronic device and the non-mobile electronic device described above.

The electronic device 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010.

Those skilled in the art will appreciate that the electronic device 1000 may further comprise a power supply (e.g., a battery) for supplying power to the various components, and the power supply may be logically connected to the processor 1010 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system. The electronic device structure shown in fig. 10 does not constitute a limitation to the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.

The processor 1010 is configured to initiate ranging communication to the vehicle according to the ranging communication parameter when receiving the ranging communication parameter sent by the main electronic device; under the condition that response information of the vehicle to the ranging communication request is received, sending a control instruction to the vehicle; the control instruction is used for controlling unlocking or locking of the vehicle; and under the condition that the response information of the vehicle to the ranging communication is not received within the preset time, sending ranging failure information to the main electronic equipment.

This application is through when the no key entering of main electronic equipment such as cell-phone fails, through the wireless body area network between main electronic equipment and the slave electronic equipment, send the range finding communication parameter of vehicle to slave electronic equipment, carry out range finding location communication through slave electronic equipment, this slave electronic equipment can be the intelligent wrist-watch that the user wore, intelligent glasses, equipment such as bracelet or earphone, thereby when main electronic equipment such as cell-phone results in the location failure because human body, blocking of clothes or knapsack, still can realize the vehicle unblock through slave electronic equipment, the success rate and the reliability that the no key got into have been guaranteed, the use that the no key got into is experienced has been improved.

Optionally, the processor 1010 is further configured to transmit the ranging communication parameter to the second slave electronic device in case of receiving the first ranging failure information transmitted by the first slave electronic device.

Optionally, the processor 1010 is further configured to initiate ranging communication to the vehicle according to the ranging communication parameter when receiving the ranging communication parameter sent by the main electronic device; under the condition that response information of the vehicle to the ranging communication request is received, sending a control instruction to the vehicle, wherein the control instruction is used for controlling unlocking or locking of the vehicle; and sending ranging failure information to the main electronic equipment under the condition that the response information of the vehicle to ranging communication is not received within the preset time length.

It should be understood that, in the embodiment of the present application, the input Unit 1004 may include a Graphics Processing Unit (GPU) 10041 and a microphone 10042, and the Graphics Processing Unit 10041 processes image data of still pictures or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

The memory 1009 may be used to store software programs as well as various data. The memory 1009 may mainly include a first storage area storing a program or an instruction and a second storage area storing data, wherein the first storage area may store an operating system, an application program or an instruction (such as a sound playing function, an image playing function, and the like) required for at least one function, and the like. Further, the memory 1009 may include volatile memory or nonvolatile memory, or the memory 1009 may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM), a Static Random Access Memory (Static RAM, SRAM), a Dynamic Random Access Memory (Dynamic RAM, DRAM), a Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), a Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, ddr SDRAM), an Enhanced Synchronous SDRAM (ESDRAM), a Synchronous Link DRAM (SLDRAM), and a Direct Memory bus RAM (DRRAM). The memory 1009 in the embodiments of the subject application includes, but is not limited to, these and any other suitable types of memory.

Processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor, which primarily handles operations related to the operating system, user interface, and applications, and a modem processor, which primarily handles wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1010.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements the processes of the foregoing method embodiments, and can achieve the same technical effects, and in order to avoid repetition, details are not repeated here.

The processor is the processor in the electronic device in the above embodiment. Readable storage media, including computer-readable storage media, such as computer Read-Only Memory (ROM), random Access Memory (RAM), magnetic or optical disks, etc.

The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the foregoing method embodiment, and the same technical effect can be achieved.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application provide a computer program product, where the program product is stored in a storage medium, and the program product is executed by at least one processor to implement the processes of the foregoing method embodiments, and can achieve the same technical effects, and in order to avoid repetition, details are not described here again.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method of the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A keyless entry control system of a vehicle is characterized by comprising a vehicle, a master electronic device and a first slave electronic device, wherein a data communication connection is established between the master electronic device and the first slave electronic device;

the method comprises the steps that under the condition that data communication connection is established between the main electronic equipment and the vehicle, distance measurement communication parameters corresponding to the vehicle are obtained from the vehicle;

the master electronic device initiates ranging communication to the vehicle according to the ranging communication parameters;

the master electronic device sends the ranging communication parameters to the first slave electronic device under the condition that the master electronic device does not receive response information of the vehicle to the ranging communication within a preset time length;

and the first slave electronic equipment sends a control instruction to the vehicle under the condition of receiving the response information, wherein the control instruction is used for controlling the unlocking or locking of the vehicle.

2. The keyless entry control system of claim 1 further comprising a second slave electronic device, the master electronic device and the second slave electronic device having a data communication connection established therebetween;

the first slave electronic device sends first ranging failure information to the master electronic device when the first slave electronic device does not receive the response information within the preset time after the ranging communication is initiated to the vehicle from the vehicle;

the master electronic device sends the ranging communication parameters to the second slave electronic device under the condition that the first ranging failure information is received;

the second slave electronic device sends the control instruction to the vehicle when receiving the response information;

and the second slave electronic equipment sends second ranging failure information to the master electronic equipment under the condition that the second slave electronic equipment does not receive the response information within the preset time length.

3. The keyless entry control system according to claim 1 or 2 wherein the ranging communication parameter comprises an ultra-wideband communication parameter.

4. A keyless entry method performed by a master electronic device, the method comprising:

under the condition of establishing data communication connection with the vehicle, acquiring corresponding ranging communication parameters from the vehicle;

and under the condition that the response information of the vehicle to the ranging communication is not received within a preset time length, the ranging communication parameters are sent to the first slave electronic equipment.

5. The keyless entry method of claim 4 wherein after the sending the ranging communication parameter to the first slave electronic device, the keyless entry method further comprises:

and transmitting the ranging communication parameters to a second slave electronic device in case of receiving first ranging failure information transmitted by the first slave electronic device.

6. A keyless entry method performed by a slave electronic device, the method comprising:

under the condition of receiving a ranging communication parameter sent by a main electronic device, initiating ranging communication to the vehicle according to the ranging communication parameter;

and sending ranging failure information to the main electronic equipment under the condition that the response information of the vehicle to the ranging communication is not received within a preset time length.

7. A keyless entry device for a main electronic device, the keyless entry control device comprising:

the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring a distance measurement communication parameter corresponding to a vehicle from the vehicle under the condition of establishing data communication connection with the vehicle;

the first sending module is used for sending a control instruction to the vehicle under the condition of receiving response information of the vehicle to the ranging communication request, wherein the control instruction is used for controlling unlocking or locking of the vehicle; and

8. The keyless entry device of claim 7 wherein,

the first sending module is further configured to send the ranging communication parameter to a second slave electronic device on the condition that the first ranging failure information sent by the first slave electronic device is received.

9. A keyless entry device for use with a slave electronic device, the keyless entry control device comprising:

the second sending module is used for sending a control instruction to the vehicle under the condition that response information of the vehicle to the ranging communication request is received, wherein the control instruction is used for controlling unlocking or locking of the vehicle; and

10. An electronic device comprising a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions when executed by the processor looking to the keyless entry method of any of claims 4 to 6.