CN110166942B - Navigation method, server and user terminal - Google Patents
Navigation method, server and user terminal Download PDFInfo
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- CN110166942B CN110166942B CN201910437436.XA CN201910437436A CN110166942B CN 110166942 B CN110166942 B CN 110166942B CN 201910437436 A CN201910437436 A CN 201910437436A CN 110166942 B CN110166942 B CN 110166942B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/069—Authentication using certificates or pre-shared keys
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/024—Guidance services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The application discloses a navigation method, a server and a user terminal. The method comprises the following steps: acquiring a navigation request of a user terminal, wherein the navigation request comprises a vehicle identifier; acquiring the position information of a target vehicle corresponding to the vehicle identification, and sending the position information of the target vehicle to the user terminal; requesting location information of the user terminal; processing the received position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle; judging whether the distance is greater than a preset distance; and planning a navigation route according to the judgment result, sending the navigation route to the user terminal and displaying the navigation route on the user terminal. A corresponding server and a user terminal are also disclosed. The embodiment of the application can realize navigation through the near field communication technology.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a navigation method, a server, and a user terminal.
Background
With the development of society, more and more applications require automatic positioning services, in order to solve the problem of automatic positioning, a Global Positioning System (GPS) based on satellite communication appears, and the good positioning accuracy of the GPS solves many practical military and civil problems. However, when an object to be positioned is located inside a building, such as an office building, an underground parking lot, and the like, the positioning accuracy of the GPS is not sufficient, and indoor positioning and navigation can be achieved through a short-distance wireless communication technology, but the information safety hazard of navigation positioning through the wireless communication technology is large at present.
Disclosure of Invention
The application provides a navigation method, a server and a user terminal to realize navigation.
In a first aspect, a navigation method is provided, the method comprising: acquiring a navigation request of a user terminal, wherein the navigation request comprises a vehicle identifier; acquiring the position information of a target vehicle corresponding to the vehicle identification, and sending the position information of the target vehicle to the user terminal; requesting location information of the user terminal; processing the received position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle; judging whether the distance is greater than a preset distance; and planning a navigation route according to the judgment result, sending the navigation route to the user terminal and displaying the navigation route on the user terminal.
In a possible implementation manner, the planning a navigation route according to the determination result specifically includes: when the judgment result shows that the distance is not greater than the preset distance, planning a navigation route according to the position information of the user terminal and the position information of the target vehicle; and prompting the user terminal to establish close range communication connection with the target vehicle, and pushing the navigation route to the user terminal for displaying.
In another possible implementation manner, the planning a navigation route according to the determination result specifically includes: when the judgment result shows that the distance is larger than the preset distance, the position information of at least one second vehicle is obtained, and the at least one second vehicle meets the following conditions: the distance between the second vehicle closest to the user terminal and the user terminal is not more than the preset distance; the distance between a second vehicle closest to the target vehicle and the vehicle is not more than the preset distance; the distance between the adjacent second vehicles is not more than the preset distance; and planning a navigation route according to the position information of the user terminal, the position information of the at least one second vehicle and the position information of the target vehicle.
In yet another possible implementation manner, the method further includes: obtaining a pass certification request submitted by the user terminal; issuing a digital certificate to the user terminal according to the pass certification request so that the user terminal sends the digital certificate to the at least one second vehicle and receives authentication feedback information of the at least one second vehicle; receiving authentication passing information of the at least one second vehicle fed back by the user terminal; and marking the position information of the at least one second vehicle on the navigation route and presenting the position information to the user terminal.
In a second aspect, a navigation method is provided, which is applied to a user terminal, and the method includes: initiating a navigation request to a server, wherein the navigation request comprises a vehicle identifier; receiving location information of a target vehicle sent by the server in response to the navigation request, the target vehicle having the vehicle identification; sending the position information of the user terminal to the server so that the server processes the position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle, and feeding back a navigation route according to the relation between the distance and a preset distance; and receiving the navigation route sent by the server.
In a possible implementation manner, when the distance between the user terminal and the target vehicle is not greater than the preset distance, the receiving the navigation route sent by the server specifically includes: receiving a prompt to establish the close range communication connection with the target vehicle; receiving and displaying the navigation route; establishing a close range communication connection with the target vehicle; navigating based on the close-proximity communication connection and the navigation route.
In another possible implementation manner, when the distance between the user terminal and the target vehicle is greater than the preset distance, the receiving the navigation route sent by the server specifically includes: and receiving and displaying a navigation route including the position information of the user terminal, the position information of the target vehicle and the position information of at least one second vehicle.
In yet another possible implementation manner, the method further includes: submitting a pass certification request to the server; receiving a digital certificate of the server; determining that the second vehicle closest to the user terminal in the at least one second vehicle is a current target second vehicle; establishing a communication connection with the current target second vehicle; sending the digital certificate to the current target second vehicle so that the current target second vehicle authenticates the user terminal and feeds back an authentication result; and receiving the authentication result, and navigating based on the communication connection with the current target second vehicle and the navigation route when the authentication result is passed.
In a third aspect, a server is provided, including: the system comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring a navigation request of a user terminal, and the navigation request comprises a vehicle identifier; the acquiring unit is further configured to acquire position information of a target vehicle corresponding to the vehicle identifier, and send the position information of the target vehicle to the user terminal; a sending unit, configured to request location information of the user terminal; the processing unit is used for processing the received position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle; the judging unit is used for judging whether the distance is greater than a preset distance; and the processing unit is also used for planning a navigation route according to the judgment result, sending the navigation route to the user terminal and displaying the navigation route on the user terminal.
In a possible implementation manner, the processing unit is specifically further configured to: when the judgment result shows that the distance is not greater than the preset distance, planning a navigation route according to the position information of the user terminal and the position information of the target vehicle; and prompting the user terminal to establish close range communication connection with the target vehicle, and pushing the navigation route to the user terminal for displaying.
In another possible implementation manner, the processing unit is specifically further configured to: when the judgment result shows that the distance is larger than the preset distance, the position information of at least one second vehicle is obtained, and the at least one second vehicle meets the following conditions: and the distance between a second vehicle closest to the user terminal and the user terminal is not more than the preset distance; and the distance between a second vehicle closest to the target vehicle and the vehicle is not more than the preset distance; and the distance between adjacent second vehicles is not greater than a preset distance; and planning a navigation route according to the position information of the user terminal, the position information of the at least one second vehicle and the position information of the target vehicle.
In yet another possible implementation manner, the server further includes: the obtaining unit is further configured to obtain a pass certification request submitted by the user terminal; the sending unit is further configured to issue a digital certificate to the user terminal according to the pass certification request, so that the user terminal sends the digital certificate to the at least one second vehicle and receives authentication feedback information of the at least one second vehicle; a receiving unit, configured to receive authentication passing information of the at least one second vehicle fed back by the user terminal; the sending unit is further configured to mark the position information of the at least one second vehicle on the navigation route and present the position information to the user terminal.
In a fourth aspect, a user terminal is provided, which includes: the device comprises a sending unit, a receiving unit and a processing unit, wherein the sending unit is used for initiating a navigation request to a server, and the navigation request comprises a vehicle identifier; a receiving unit configured to receive position information of a target vehicle transmitted by the server in response to the navigation request, the target vehicle having the vehicle identification; the sending unit is further configured to send the location information of the user terminal to the server, so that the server processes the location information of the user terminal and the location information of the target vehicle to obtain a distance between the user terminal and the target vehicle, and feeds back a navigation route according to a relationship between the distance and a preset distance; the receiving unit is further configured to receive the navigation route sent by the server.
In a possible implementation manner, when the distance between the user terminal and the target vehicle is not greater than the preset distance, the receiving unit is further specifically configured to: receiving a prompt to establish the close range communication connection with the target vehicle; and receiving and displaying the navigation route; and establishing a close range communication connection with the target vehicle; and navigating based on the close-range communication connection and the navigation route.
In another possible implementation manner, when the distance between the user terminal and the target vehicle is greater than the preset distance, the receiving unit is further specifically configured to: and receiving and displaying a navigation route including the position information of the user terminal, the position information of the target vehicle and the position information of at least one second vehicle.
In another possible implementation manner, the user terminal further includes: the sending unit is also used for submitting a pass certification request to the server; the receiving unit is further used for receiving the digital certificate of the server; the determining unit is further used for determining that the second vehicle closest to the user terminal in the at least one second vehicle is a current target second vehicle; a communication connection establishing unit for establishing a communication connection with the current target second vehicle; the sending unit is further configured to send the digital certificate to the current target second vehicle, so that the current target second vehicle authenticates the user terminal, and feeds back an authentication result; the receiving unit is further configured to receive the authentication result, and perform navigation based on the communication connection with the current target second vehicle and the navigation route when the authentication result is passed.
In a fifth aspect, a server is provided, including: a processor and a memory, the processor and the memory coupler; wherein the memory stores program instructions, which, when executed by the processor, cause the processor to perform the corresponding functions of the method of the first aspect and any possible implementation manner thereof.
A sixth aspect provides a computer readable storage medium having stored therein a computer program comprising program instructions which, when executed by a processor of a batch processing apparatus, cause the processor to perform the method of the first aspect and any of its possible implementations.
In a seventh aspect, a user terminal is provided, including: a processor and a memory, the processor and the memory coupler; wherein the memory stores program instructions which, when executed by the processor, cause the processor to perform the corresponding functions of the method of the second aspect and any possible implementation manner thereof.
In an eighth aspect, there is provided a computer readable storage medium having stored therein a computer program comprising program instructions which, when executed by a processor of a batch processing apparatus, cause the processor to perform the method of the second aspect and any possible implementation thereof.
The embodiment of the application realizes navigation by a near field communication technology, and can reduce navigation errors caused by poor GPS signals. The server is used for respectively carrying out data transmission with the user terminal and encrypting the transmission data, so that the information safety hidden danger during navigation through a near field communication technology is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present application, the drawings required to be used in the embodiments or the background art of the present application will be described below.
Fig. 1 is a schematic flowchart of a navigation method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a server according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a user terminal according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a server according to an embodiment of the present application;
fig. 5 is a schematic diagram of a hardware structure of a user terminal according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The navigation method provided by the embodiment of the application can be applied to places with poor GPS signals, and specifically, the navigation method comprises a user terminal, a target vehicle, a second vehicle and a server, wherein the user of the user terminal needs to reach the position of the target vehicle. The user terminal sends the position information of the target vehicle to the server and requests the server to provide a navigation route to navigate to the position of the target vehicle, and due to the fact that GPS signals of the user terminal and the area where the target vehicle is located are poor, positioning and navigation cannot be conducted through a GPS, and positioning and navigation are conducted through near field communication technologies such as Bluetooth and Wi-Fi. Since the transmission distance of the short-range communication technology is limited, when the distance between the user terminal and the target vehicle exceeds the maximum transmission distance of the short-range communication technology, the user terminal needs to reach the position of the target vehicle smoothly by using the second vehicle as a bridge, and therefore, the user terminal needs to establish a short-range communication connection with the second vehicle.
In the embodiment of the present application, the user terminal may be a mobile intelligent terminal with a bluetooth function, such as a mobile phone, a tablet computer, and a notebook computer, and the second vehicle and the target vehicle refer to vehicles including an intelligent terminal with a bluetooth function (e.g., a mobile phone and a vehicle-mounted terminal).
The embodiments of the present application will be described below with reference to the drawings.
Referring to fig. 1, fig. 1 is a schematic flow chart of a navigation method according to an embodiment of the present disclosure.
101. The method comprises the steps of obtaining a navigation request of a user terminal, wherein the navigation request comprises a vehicle identifier.
In an embodiment of the present application, the navigation request includes a vehicle identifier, and in a possible implementation, the vehicle identifier may be a number of the vehicle in a database of the server. In another possible implementation, the vehicle identification may be a license plate number of the vehicle. In yet another possible implementation manner, the vehicle identifier may be registration information of the vehicle-mounted terminal on the server.
And under the condition that the user terminal receives the navigation request input by the user, prompting the user to input the vehicle identification, receiving the vehicle identification input by the user terminal, and sending the navigation request comprising the vehicle identification to the server. The navigation request and the vehicle identifier may be input manually or by voice, which is not limited in the present application.
102. And acquiring the position information of the target vehicle corresponding to the vehicle identification, and sending the position information of the target vehicle to the user terminal.
In this embodiment, the location information includes longitude and latitude, and the server may determine the location information of the target vehicle according to the vehicle identifier sent by the user terminal, for example: determining a vehicle according to the license plate number, taking the vehicle as a target vehicle, and acquiring longitude information and latitude information of the target vehicle through a GPS signal; another example is: and determining the vehicle-mounted terminal according to the registration information of the vehicle-mounted terminal on the server, acquiring the longitude information and the latitude information of the vehicle-mounted terminal through a GPS signal, and taking the longitude information and the latitude information of the vehicle-mounted terminal as the position information of the target vehicle.
It should be understood that the position information of the target vehicle may be obtained through a GPS signal, or may be obtained through bluetooth or Wi-Fi, and each position information corresponds to a time stamp of the time of the obtaining.
In a possible implementation manner, the target vehicle is loaded with a GPS module, the GPS module periodically acquires the position information of the target vehicle and sends the position information of the target vehicle to the server, and the server stores the received position information of the target vehicle and sends the position information of the target vehicle with the largest timestamp to the user terminal.
Optionally, before the server sends the location information of the target vehicle to the user terminal, the server may encrypt the location information of the target vehicle by using a public key of the user terminal to obtain the location information after the first encryption; signing the position information after the first encryption processing by using a private key of the server to obtain the position information after the first signature; and sending the position information after the first signature to the user terminal. Correspondingly, after receiving the position information after the first signature sent by the server, the user terminal uses the public key of the server to perform signature verification processing on the position information after the first signature to obtain the position information after the first signature verification; and decrypting the position information subjected to the first signature verification by using a private key of the user terminal to obtain the position information of the target vehicle.
The encryption process may be implemented by an encryption algorithm, optionally, the encryption algorithm may be an SM2 algorithm, an SM3 algorithm, the hash function may be a Message Digest (MD) 4 algorithm, a Message Digest (MD) 5 algorithm, a secure hash algorithm 1, and the like, which is not limited in this application. And the encryption process presented below may also employ the encryption algorithm described above.
103. Requesting location information of the user terminal.
Since the position information of the user terminal is required to be acquired when the navigation route is planned for the user terminal, the server sends a request for acquiring the position information to the user terminal.
Optionally, the sending of the request for obtaining the location information to the user terminal may be performed simultaneously with the sending of the location information of the target vehicle to the user terminal, or may be performed after the sending of the location information of the target vehicle to the user terminal, which is not limited in the present application.
104. And processing the received position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle.
And the user terminal receives the position information of the target vehicle sent by the server and stores the position information. Optionally, the position information of the target vehicle may also be displayed on a map.
After the user terminal receives the request for acquiring the position information sent by the server, the user can send the real-time position information of the user terminal to the server. In a possible implementation manner, the user terminal prompts the user whether to send the location information of the user terminal to the server in a dialog box or voice manner, and when receiving an instruction that the user selects to send the location information of the user terminal to the server, the user terminal obtains the real-time location information of the user terminal and sends the real-time location information of the user terminal to the server.
Optionally, before the user terminal sends the location information of the user terminal to the user terminal, the public key of the server may be used to encrypt the location information of the user terminal, so as to obtain the location information after the second encryption; signing the position information after the second encryption processing by using a private key of the user terminal to obtain position information after the second signature; and sending the position information after the second signature to the user terminal. Correspondingly, after receiving the position information after the second signature sent by the user terminal, the server uses the public key of the user terminal to perform signature verification processing on the position information after the second signature to obtain the position information after the second signature verification; and decrypting the checked and signed position information by using a private key of the server to obtain the position information of the user terminal.
105. And judging whether the distance is greater than a preset distance.
Since the position information of the user terminal and the target vehicle terminal cannot be obtained through the GPS signal at a location where the GPS signal is weak, and both the user terminal and the target vehicle terminal may move before the user terminal reaches the location where the target vehicle terminal is located, that is, both the position information of the user terminal and the target vehicle may change. Therefore, it is necessary to determine real-time location information of the user terminal and the target vehicle and plan a navigation route according to the real-time location information. In order to ensure that the real-time position information of the user terminal and the target vehicle can be determined before the user terminal reaches the position of the target vehicle, the embodiment of the application acquires the real-time position information of the user terminal and the target vehicle through the near field communication technology. Wherein, the near field communication technology comprises: bluetooth communication technology, WI-FI communication technology, Zigbee (Zigbee) communication technology.
In a possible implementation manner, the area where the user terminal and the target vehicle are located includes a plurality of bluetooth nodes, and the user terminal and the target vehicle both have bluetooth modules, wherein the location information of the bluetooth nodes is known, the server can obtain the distances from the user terminal or the target vehicle to different bluetooth nodes according to the strength of bluetooth signals between the user terminal or the target vehicle and different bluetooth nodes, and then the location information of the user terminal or the target vehicle can be determined by combining the location information of different bluetooth nodes.
It is obvious from the above that, the key to determine the position information of the user terminal or the target vehicle through bluetooth is to determine the distances from the user terminal or the target vehicle to different bluetooth nodes, and since the effective transmission distance between bluetooth devices is limited, in order to ensure that the distances from the user terminal or the target vehicle to different bluetooth nodes can be determined through the signal strength between the user terminal or the target vehicle and the bluetooth nodes, it is required to ensure that the distance between the user terminal or the target vehicle and the bluetooth nodes is less than or equal to the effective transmission distance, which is the preset distance in the embodiment of the present application. Therefore, it is necessary to determine whether the distance between the user terminal and the target vehicle is greater than a preset distance.
It should be understood that the preset distance may be different in size according to the different near field communication technologies. For example, in the case of bluetooth communication technology, the preset distance may be 100 meters. In the case of WI-FI communication technology, the preset distance may be 300 meters. In the case of the purple peak communication technique, the preset distance may be 1 km.
106. And planning a navigation route according to the judgment result, sending the navigation route to the user terminal and displaying the navigation route on the user terminal.
The server plans a navigation route according to the judgment result, and specifically comprises the following steps:
when the judgment result shows that the distance is not greater than the preset distance, planning a navigation route according to the position information of the user terminal and the position information of the target vehicle;
and prompting the user terminal to establish close range communication connection with the target vehicle, and pushing the navigation route to the user terminal for displaying.
And when the judgment result shows that the distance is greater than the preset distance, the representation that the user terminal and the target terminal cannot navigate in a near field communication mode is carried out, so that a second vehicle needs to be determined, and the position of the second vehicle is used as a bridging position from the user terminal to the position of the target vehicle to plan a navigation route. The second vehicle is a vehicle in an area where the user terminal and the target vehicle are located, and the second vehicle has a Bluetooth function.
It should be understood that the server stores the position information of the second vehicle, and the number of the second vehicles is at least one. Therefore, when the server determines that the distance between the user terminal and the target vehicle is greater than the preset distance, the server acquires the position information of at least one second vehicle, wherein the at least one second vehicle meets the following conditions: the distance between a second vehicle closest to the user terminal and the user terminal is not more than a preset distance; the distance between a second vehicle closest to the target vehicle and the vehicle is not more than a preset distance; the distance between adjacent second vehicles is not greater than a preset distance.
For example, A, B, C, D are the second vehicles, the distance between a and B is a first distance, the distance between B and C is a second distance, the distance between B and D is a third distance, and the third distance is greater than the first distance and the second distance, then the adjacent vehicles of B are a and C, and the distance between the adjacent second vehicles is the first distance or the second distance.
In this way, by bridging of the at least one second vehicle, navigation of the user terminal to the target vehicle by means of the near field communication technology can be ensured.
After the position information of the at least one second vehicle is acquired, a navigation route can be planned according to the position information of the user terminal, the position information of the at least one second vehicle and the position information of the target vehicle.
In a possible implementation manner, since the position information of the bluetooth node or the terminal with the bluetooth function is known, in the process that the user terminal moves to the target vehicle, the real-time position information of the user terminal can be determined by a triangulation method based on the position information of at least 3 bluetooth nodes or the terminal with the bluetooth function, so as to ensure that the user terminal can smoothly reach the position of the second vehicle and further reach the position of the target vehicle.
Optionally, the real-time location of the user terminal may also be determined by using an algorithm such as a centroid algorithm, a neighbor method, or the like.
107. And acquiring a pass certification request submitted by the user terminal.
As described above, in order to ensure that the user of the user terminal can smoothly reach the target vehicle, it is necessary to establish a short-range communication connection with the second vehicle on the navigation route, and therefore, the user terminal transmits a connection request for establishing a short-range communication connection with the second vehicle to the server. In the embodiment of the application, the pass certification request comprises a connection request and identity information of the user terminal.
Because the near field communication technologies such as Bluetooth and Wi-Fi adopt radio frequency technology, data is sent and received through air, the data is easily interfered by the outside, data packets can be detected or received by the outside in the transmission process, information safety is a hidden danger, and although the data can be transmitted after being encrypted, the data packets are still likely to be cracked by hackers under the condition that the data packets are enough. Therefore, according to the embodiment of the application, the potential safety hazard of data transmission can be reduced by encrypting the connection request sent by the user terminal, sending the connection request to the server and then sending the connection request to the second vehicle through the server.
In one possible implementation, the user terminal obtains a pass certification request; encrypting the pass certification request by using a public key of the server to obtain an encrypted pass certification request, and signing the encrypted pass certification request by using a private key of the user terminal to obtain a signed pass certification request; and sending the signed pass certification request to a server.
108. And issuing a digital certificate to the user terminal according to the pass certification request so that the user terminal sends the digital certificate to the at least one second vehicle and receives authentication feedback information of the at least one second vehicle.
Optionally, if the pass certification request sent by the user terminal is encrypted data, after receiving the signed pass certification request, the server performs signature verification processing on the signed pass certification request by using the public key of the user terminal to obtain a signed pass certification request; and decrypting the checked and signed pass certification request by using a private key of the server to obtain the pass certification request.
In order to ensure that the connection request of the user terminal may be rejected because the second vehicle does not trust the user terminal when the navigation is performed through the short-distance communication, in the application, the server issues the digital certificate to the user terminal according to the connection request of the user terminal so as to prove the identity of the user terminal.
In a possible implementation manner, after obtaining a pass certification request sent by a user terminal, a server determines a network address of at least one second vehicle according to a connection request in the pass certification request, and encrypts the network address and a digital certificate by using a public key of the user terminal to obtain encrypted information; and then, carrying out signature processing on the encrypted information by using a private key of the server to obtain the signed information. And finally, sending the signed information to the user terminal. The digital certificate includes identity information of the user terminal, that is, an identity certificate of the server to the user terminal.
After receiving the signed information sent by the server, the user terminal uses the public key of the server to check the signature of the signed information to obtain the checked information; and decrypting the checked and signed information by using a private key of the user terminal to obtain the network address and the digital certificate of at least one second vehicle.
The user terminal sends a connection request and a digital certificate to the at least one second vehicle according to the network address of the at least one second vehicle.
The second vehicle can confirm the identity of the user terminal according to the identity information of the user terminal in the digital certificate, and the identity information of the user terminal and the connection request are presented to the user of the second vehicle, so that the user of the second vehicle can select whether to establish the near field communication connection with the user terminal. And after receiving the selection of the user of the second vehicle, the second vehicle feeds back the selection result to the user terminal.
109. And receiving authentication passing information of the at least one second vehicle fed back by the user terminal.
And in the case that the user of the second vehicle agrees to establish the short-distance communication connection with the user terminal as a selection result, namely when the information fed back by at least one second vehicle passes the authentication, the user terminal sends the feedback information to the server so that the server determines the second vehicle which successfully establishes the communication connection.
In addition, when receiving the feedback result of passing the authentication, the user terminal establishes a short-distance communication connection with the second vehicle (namely, the target second vehicle) passing the authentication, and performs navigation based on the short-distance communication connection with the target second vehicle until the user terminal reaches the target second vehicle. The near field communication connection with the target second vehicle is disconnected and information is sent to the server so that the server determines that the user terminal has reached the target second vehicle. And after determining that the user terminal reaches the target second terminal, the server deletes the target second terminal from the navigation route to obtain an updated navigation route, and sends an instruction to the user terminal so that the user terminal establishes a short-distance communication connection with a second vehicle which is closest to the user terminal in the updated navigation route.
110. And marking the position information of the at least one second vehicle on the navigation route and presenting the position information to the user terminal.
And under the condition that the authentication passing information of at least one second vehicle fed back by the user terminal is received, the server marks the position information of the second vehicle which establishes the close-range communication connection with the user terminal on the navigation route and sends the position information to the user terminal so as to be presented to the user.
The embodiment of the application realizes navigation by a near field communication technology, and can reduce navigation errors caused by poor GPS signals, such as: the location of the target vehicle is quickly located within the underground parking lot. And navigating the user terminal based on a plurality of devices with the Bluetooth function (including the Bluetooth nodes and the second vehicle) can determine the position of the user terminal in real time, and the user terminal does not plan an accurate navigation route until the user terminal reaches the position of the target vehicle. By carrying out encryption processing and signature processing on data transmitted between the user terminal and the server, the information safety hidden danger during communication connection through the near field communication technology can be reduced.
The method of the embodiments of the present application is set forth above in detail and the apparatus of the embodiments of the present application is provided below.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a server according to an embodiment of the present application, where the server 1 includes: an acquisition unit 11, a transmission unit 12, a processing unit 13, a judgment unit 14, and a reception unit 15. Wherein:
the device comprises an acquisition unit 11, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a navigation request of a user terminal, and the navigation request comprises a vehicle identifier;
the obtaining unit 11 is further configured to obtain position information of a target vehicle corresponding to the vehicle identifier, and send the position information of the target vehicle to the user terminal;
a sending unit 12, configured to request location information of the user terminal;
the processing unit 13 is configured to process the received position information of the user terminal and the position information of the target vehicle to obtain a distance between the user terminal and the target vehicle;
a judging unit 14, configured to judge whether the distance is greater than a preset distance; and the processing unit is also used for planning a navigation route according to the judgment result, sending the navigation route to the user terminal and displaying the navigation route on the user terminal.
In a possible implementation manner, the processing unit 13 is further specifically configured to: when the judgment result shows that the distance is not greater than the preset distance, planning a navigation route according to the position information of the user terminal and the position information of the target vehicle; and prompting the user terminal to establish close range communication connection with the target vehicle, and pushing the navigation route to the user terminal for displaying.
In another possible implementation manner, the processing unit 13 is further specifically configured to: when the judgment result shows that the distance is larger than the preset distance, the position information of at least one second vehicle is obtained, and the at least one second vehicle meets the following conditions: and the distance between a second vehicle closest to the user terminal and the user terminal is not more than the preset distance; and the distance between a second vehicle closest to the target vehicle and the vehicle is not more than the preset distance; and the distance between adjacent second vehicles is not greater than a preset distance; and planning a navigation route according to the position information of the user terminal, the position information of the at least one second vehicle and the position information of the target vehicle.
In yet another possible implementation manner, the server 1 further includes: the obtaining unit 11 is further configured to obtain a pass certification request submitted by the user terminal; the sending unit 12 is further configured to issue a digital certificate to the user terminal according to the pass certification request, so that the user terminal sends the digital certificate to the at least one second vehicle and receives authentication feedback information of the at least one second vehicle; a receiving unit 15, configured to receive authentication passing information of the at least one second vehicle fed back by the user terminal; the sending unit 12 is further configured to mark the position information of the at least one second vehicle on the navigation route and present the position information to the user terminal.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a user terminal according to an embodiment of the present application, where the terminal 2 includes: a transmitting unit 21, a receiving unit 22, a determining unit 23 and a communication connection establishing unit 24.
Wherein:
a sending unit 21, configured to initiate a navigation request to a server, where the navigation request includes a vehicle identifier;
a receiving unit 22 for receiving position information of a target vehicle transmitted by the server in response to the navigation request, the target vehicle having the vehicle identification;
the sending unit 21 is further configured to send the location information of the user terminal to the server, so that the server processes the location information of the user terminal and the location information of the target vehicle to obtain a distance between the user terminal and the target vehicle, and feeds back a navigation route according to a relationship between the distance and a preset distance;
the receiving unit 22 is further configured to receive the navigation route sent by the server.
In a possible implementation manner, when the distance between the user terminal and the target vehicle is not greater than the preset distance, the receiving unit 22 is further specifically configured to: receiving a prompt to establish the close range communication connection with the target vehicle; and receiving and displaying the navigation route; and establishing a close range communication connection with the target vehicle; and navigating based on the close-range communication connection and the navigation route.
In another possible implementation manner, when the distance between the user terminal and the target vehicle is greater than the preset distance, the receiving unit 22 is further specifically configured to: and receiving and displaying a navigation route including the position information of the user terminal, the position information of the target vehicle and the position information of at least one second vehicle.
In another possible implementation manner, the user terminal 2 further includes: the sending unit 21 is further configured to submit a pass certification request to the server; the receiving unit 22 is further configured to receive a digital certificate of the server; the determining unit 23 is further configured to determine that a second vehicle closest to the user terminal in the at least one second vehicle is a current target second vehicle; a communication connection establishing unit 24 for establishing a communication connection with the current target second vehicle; the sending unit 21 is further configured to send the digital certificate to the current target second vehicle, so that the current target second vehicle authenticates the user terminal, and feeds back an authentication result; the receiving unit 22 is further configured to receive the authentication result, and perform navigation based on the communication connection with the current target second vehicle and the navigation route when the authentication result is passed.
Fig. 4 is a schematic diagram of a hardware structure of a server according to an embodiment of the present application. The server 3 comprises a processor 31 and may further comprise an input device 32, an output device 33 and a memory 34. The input device 32, the output device 33, the memory 34, and the processor 31 are connected to each other via a bus.
The memory includes, but is not limited to, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM), which is used for storing instructions and data.
The input means are for inputting data and/or signals and the output means are for outputting data and/or signals. The output means and the input means may be separate devices or may be an integral device.
The processor may include one or more processors, for example, one or more Central Processing Units (CPUs), and in the case of one CPU, the CPU may be a single-core CPU or a multi-core CPU.
The memory is used to store program codes and data of the network device.
The processor is used for calling the program codes and data in the memory and executing the following steps: acquiring a navigation request of a user terminal, wherein the navigation request comprises a vehicle identifier; acquiring the position information of a target vehicle corresponding to the vehicle identification, and sending the position information of the target vehicle to the user terminal; requesting location information of the user terminal; processing the received position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle; judging whether the distance is greater than a preset distance; and planning a navigation route according to the judgment result, sending the navigation route to the user terminal and displaying the navigation route on the user terminal.
In a possible implementation manner, the processor, when executing the planning of the navigation route according to the determination result, specifically executes the following steps: when the judgment result shows that the distance is not greater than the preset distance, planning a navigation route according to the position information of the user terminal and the position information of the target vehicle; and prompting the user terminal to establish close range communication connection with the target vehicle, and pushing the navigation route to the user terminal for displaying.
In another possible implementation manner, the processor, when executing the planning of the navigation route according to the determination result, specifically executes the following steps: when the judgment result shows that the distance is larger than the preset distance, the position information of at least one second vehicle is obtained, and the at least one second vehicle meets the following conditions: the distance between a second vehicle closest to the user terminal and the user terminal is not more than the preset distance; the distance between a second vehicle closest to the target vehicle and the vehicle is not more than the preset distance; the distance between the adjacent second vehicles is not more than the preset distance; and planning a navigation route according to the position information of the user terminal, the position information of the at least one second vehicle and the position information of the target vehicle.
In one possible implementation, the processor is further configured to perform the following steps: obtaining a pass certification request submitted by the user terminal; issuing a digital certificate to the user terminal according to the pass certification request so that the user terminal sends the digital certificate to the at least one second vehicle and receives authentication feedback information of the at least one second vehicle; receiving authentication passing information of the at least one second vehicle fed back by the user terminal; and marking the position information of the at least one second vehicle on the navigation route and presenting the position information to the user terminal.
It will be appreciated that figure 4 only shows a simplified design of a server. In practical applications, the servers may also respectively include other necessary elements, including but not limited to any number of input/output devices, processors, controllers, memories, etc., and all servers that can implement the embodiments of the present application are within the protection scope of the present application.
Fig. 5 is a schematic diagram of a hardware structure of a user terminal according to an embodiment of the present application. The terminal 4 comprises a processor 41 and may further comprise an input device 42, an output device 43 and a memory 44. The input device 42, the output device 43, the memory 44, and the processor 41 are connected to each other via a bus.
The memory includes, but is not limited to, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM), which is used for storing instructions and data.
The input means are for inputting data and/or signals and the output means are for outputting data and/or signals. The output means and the input means may be separate devices or may be an integral device.
The processor may include one or more processors, for example, one or more Central Processing Units (CPUs), and in the case of one CPU, the CPU may be a single-core CPU or a multi-core CPU.
The memory is used to store program codes and data of the network device.
The processor is used for calling the program codes and data in the memory and executing the following steps: initiating a navigation request to a server, wherein the navigation request comprises a vehicle identifier; receiving location information of a target vehicle sent by the server in response to the navigation request, the target vehicle having the vehicle identification; sending the position information of the user terminal to the server so that the server processes the position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle, and feeding back a navigation route according to the relation between the distance and a preset distance; and receiving the navigation route sent by the server.
In a possible implementation manner, when the distance between the user terminal and the target vehicle is not greater than the preset distance, the processor specifically performs the following steps when executing the receiving of the navigation route sent by the server: receiving a prompt to establish the close range communication connection with the target vehicle; receiving and displaying the navigation route; establishing a close range communication connection with the target vehicle; navigating based on the close-proximity communication connection and the navigation route.
In another possible implementation manner, when the distance between the user terminal and the target vehicle is greater than the preset distance, the processor is configured to specifically perform the following steps when the navigation route sent by the server is received: and receiving and displaying a navigation route including the position information of the user terminal, the position information of the target vehicle and the position information of at least one second vehicle.
In yet another possible implementation manner, the processor is further configured to perform the following steps: submitting a pass certification request to the server; receiving a digital certificate of the server; determining that the second vehicle closest to the user terminal in the at least one second vehicle is a current target second vehicle; establishing a communication connection with the current target second vehicle; sending the digital certificate to the current target second vehicle so that the current target second vehicle authenticates the user terminal and feeds back an authentication result; and receiving the authentication result, and navigating based on the communication connection with the current target second vehicle and the navigation route when the authentication result is passed.
It will be appreciated that figure 5 only shows a simplified design of a user terminal. In practical applications, the user terminal may further include necessary other components, including but not limited to any number of input/output devices, processors, controllers, memories, etc., and all user terminals that can implement the embodiments of the present application are within the protection scope of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in or transmitted over a computer-readable storage medium. The computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)), or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., Digital Versatile Disk (DVD)), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
One of ordinary skill in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, which may be stored in a computer-readable storage medium, and when executed, may include the processes of the above method embodiments. And the aforementioned storage medium includes: various media that can store program codes, such as a read-only memory (ROM) or a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Claims (8)
1. A method of navigation, the method comprising:
acquiring a navigation request of a user terminal, wherein the navigation request comprises a vehicle identifier;
acquiring the position information of a target vehicle corresponding to the vehicle identification, and sending the position information of the target vehicle to the user terminal;
requesting location information of the user terminal;
processing the received position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle;
judging whether the distance is greater than a preset distance;
when the judgment result shows that the distance is not greater than the preset distance, planning a navigation route according to the position information of the user terminal and the position information of the target vehicle;
prompting the user terminal to establish close range communication connection with the target vehicle;
when the judgment result shows that the distance is larger than the preset distance, the position information of at least one second vehicle is obtained, and the at least one second vehicle meets the following conditions: the distance between a second vehicle closest to the user terminal and the user terminal is not more than the preset distance; the distance between a second vehicle closest to the target vehicle and the vehicle is not more than the preset distance; the distance between the adjacent second vehicles is not more than the preset distance;
prompting the user terminal to establish a near field communication connection with a target second vehicle in the at least one second vehicle, and navigating the user terminal to the target second vehicle through the near field communication connection, wherein the position of the target second vehicle and the user terminal is not greater than the preset distance;
under the condition that an arrived message sent by the user terminal is received and the distance between the target second vehicle and the target vehicle is not larger than the preset distance, a navigation route for navigating the user terminal to the target vehicle is planned according to the position information of the user terminal and the position information of the target vehicle, the arrived message indicates that the user terminal arrives at the target second vehicle, and the arrived message is obtained through encryption processing and signature processing;
and sending the navigation route to the user terminal and displaying the navigation route on the user terminal.
2. The method of claim 1, further comprising:
obtaining a pass certification request submitted by the user terminal;
issuing a digital certificate to the user terminal according to the pass certification request so that the user terminal sends the digital certificate to the at least one second vehicle and receives authentication feedback information of the at least one second vehicle;
receiving authentication passing information of the at least one second vehicle fed back by the user terminal;
and marking the position information of the at least one second vehicle on the navigation route and presenting the position information to the user terminal.
3. A navigation method is applied to a user terminal, and the method comprises the following steps:
initiating a navigation request to a server, wherein the navigation request comprises a vehicle identifier;
receiving location information of a target vehicle sent by the server in response to the navigation request, the target vehicle having the vehicle identification;
sending the position information of the user terminal to the server so that the server processes the position information of the user terminal and the position information of the target vehicle to obtain the distance between the user terminal and the target vehicle, and feeding back a navigation route according to the relation between the distance and a preset distance;
receiving prompt information sent by the server, wherein the prompt information is used for indicating the user terminal to establish a close-range communication connection with a target second vehicle in the at least one second vehicle, and navigating the user terminal to the target second vehicle through the close-range communication connection, and the at least one second vehicle meets the following conditions: the distance between a second vehicle closest to the user terminal and the user terminal is not more than the preset distance; the distance between a second vehicle closest to the target vehicle and the vehicle is not more than the preset distance; the distance between the adjacent second vehicles is not more than the preset distance;
sending an arrived message to the server, wherein the arrived message indicates that the user terminal arrives at the target second vehicle, and the arrived message is obtained through encryption processing and signature processing;
and receiving the navigation route sent by the server.
4. The method according to claim 3, wherein when the distance between the user terminal and the target vehicle is not greater than the preset distance, the receiving the navigation route sent by the server specifically comprises:
receiving a prompt to establish a close range communication connection with the target vehicle;
receiving and displaying the navigation route;
establishing a close range communication connection with the target vehicle;
navigating based on the close-proximity communication connection and the navigation route.
5. The method according to claim 4, wherein when the distance between the user terminal and the target vehicle is greater than the preset distance, the receiving the navigation route sent by the server specifically includes:
and receiving and displaying a navigation route including the position information of the user terminal, the position information of the target vehicle and the position information of at least one second vehicle.
6. The method of claim 5, further comprising:
submitting a pass certification request to the server;
receiving a digital certificate of the server;
determining that the second vehicle closest to the user terminal in the at least one second vehicle is a current target second vehicle;
establishing a communication connection with the current target second vehicle;
sending the digital certificate to the current target second vehicle so that the current target second vehicle authenticates the user terminal and feeds back an authentication result;
and receiving the authentication result, and navigating based on the communication connection with the current target second vehicle and the navigation route when the authentication result is passed.
7. A server, comprising: a processor and a memory, the processor and memory coupler; wherein the memory stores program instructions that, when executed by the processor, cause the processor to perform the method of any of claims 1 to 2.
8. A user terminal, comprising: a processor and a memory, the processor and memory coupler; wherein the memory stores program instructions that, when executed by the processor, cause the processor to perform the method of any of claims 3 to 6.
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| CN113794981A (en) * | 2021-08-10 | 2021-12-14 | 荣耀终端有限公司 | Terminal positioning method, electronic device and storage medium |
| CN115056728A (en) * | 2021-11-29 | 2022-09-16 | 博泰车联网科技(上海)股份有限公司 | Vehicle control method, apparatus, and storage medium |
| CN115355926B (en) * | 2022-10-19 | 2023-09-19 | 北京百度网讯科技有限公司 | Method, device, equipment and storage medium for vehicle navigation |
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