Summary of the invention
In view of this, the embodiment of the present invention provides a kind of V2X upgrade-system and upgrade method, make the upgrading system based on V2XSystem has certain mobility management capabilities, and vehicle need not wait in current RSU coverage area, until under OTA upgrade file packetThe coverage area for completing just to leave current RSU is carried, user experience is enhanced.
It is as follows that the present invention solves technical solution used by above-mentioned technical problem:
According to an aspect of an embodiment of the present invention, a kind of V2X upgrade-system provided, comprising: vehicle-mounted OBU terminal, OTAService platform, several RSU, in which:
Each RSU is communicated to connect by wired or wireless with the OTA service platform;
The vehicle-mounted OBU terminal is communicated to connect by V2I interface and some RSU, and using VPN by the RSU with it is describedOTA service platform establishes tunnel communication connection.
In a possible design, the vehicle-mounted OBU terminal is communicated to connect by V2I wireless protocols and each RSU.
In a possible design, the vehicle-mounted OBU terminal includes one the oneth VPN module, the OTA service platform packetInclude one the 2nd VPN module, the first VPN module and the 2nd VPN module for make the vehicle-mounted OBU terminal with it is describedOTA service platform establishes vpn tunneling communication connection.
In a possible design, the vehicle-mounted OBU terminal is being built using VPN by current RSU and OTA service platformAfter vertical tunnel communication connection, the downloading of Xiang Suoshu OTA service platform application OTA upgrade file packet is requested.
In a possible design, the OTA service platform is according to the OTA upgrade file packet of the vehicle-mounted OBU terminalDownloading request, communicated by vpn tunneling to the vehicle-mounted OBU terminal offer OTA upgrade file packet using breakpoint transmission technologyDownloading.
In a possible design, the OTA service platform is according to the OTA upgrade file packet of the vehicle-mounted OBU terminalDownloading request, comprising: the OTA service platform receive the OTA upgrade file packet of the vehicle-mounted OBU terminal downloading request;According to the current version information of the vehicle-mounted OBU terminal in the downloading request, whether there is in acknowledgment of your inquiry database hasOTA upgrade file packet relevant to the vehicle-mounted OBU terminal.
In a possible design, if there is there is OTA upgrade file packet relevant to the vehicle-mounted OBU terminal, thenThe OTA service platform provides OTA upgrade file packet to the vehicle-mounted OBU terminal using breakpoint transmission technology and downloads;If noThere are OTA upgrade file packets relevant to the vehicle-mounted OBU terminal, then " do not find correlation to the vehicle-mounted OBU terminal returnOTA upgrade file packet " information alert.
In a possible design, enter in the vehicle for configuring vehicle-mounted OBU terminal from current RSU coverage area nextRSU coverage area, when the OTA upgrade file packet does not complete downloading, the vehicle-mounted OBU terminal is using VPN by under describedOne RSU establishes tunnel communication with same OTA service platform and connect;The OTA service platform uses breakpoint transmission technology to instituteIt states vehicle-mounted OBU terminal and the lasting downloading of increment OTA upgrade file packet is provided.
In a possible design, the OTA upgrade file packet that the vehicle-mounted OBU terminal is returned according to downloading completes vehicleCarry the upgrading of OBU terminal.
Other side according to an embodiment of the present invention, a kind of V2X upgrade method provided are applied to V2X upgrade-system,The V2X upgrade-system includes: vehicle-mounted OBU terminal, OTA service platform, several RSU, and the V2X upgrade method includes:
In RSU coverage area, the vehicle-mounted OBU terminal establishes tunnel by RSU and OTA service platform using VPNCommunication connection;
The vehicle-mounted OBU terminal is requested to the downloading of OTA service platform application OTA upgrade file packet;
The OTA service platform is requested according to the downloading of the OTA upgrade file packet of the vehicle-mounted OBU terminal, uses breakpointIt resumes technology and provides the downloading of OTA upgrade file packet to the vehicle-mounted OBU terminal.
Compared with the relevant technologies, the embodiment of the present invention provides a kind of V2X upgrade-system and upgrade method, comprising: vehicle-mounted OBUTerminal, OTA service platform, several RSU, in which: each RSU passes through the wired or wireless and OTA service platform communication linkIt connects;The vehicle-mounted OBU terminal is communicated to connect by V2I interface and some RSU, and is taken using VPN by the RSU and OTABusiness platform establishes tunnel communication connection.Through the embodiment of the present invention, it between vehicle-mounted OBU terminal and OTA service platform, usesVPN technologies are transferred by RSU establishes tunnel communication connection, and the vehicle-mounted OBU terminal can be made to be passed through each RSU using VPN and be somebody's turn to doOTA service platform establishes tunnel communication connection, and especially when wireless network signal is bad, the vehicle-mounted OBU terminal is logical using VPNIt crosses RSU and establishes tunnel communication with the OTA service platform and connect, under continuing within the scope of current service RSU from the OTA service platformOTA upgrade file packet is carried, and sails out of current RSU coverage area in vehicle, when into next RSU coverage area, vehicle-mounted OBU is wholeEnd, which continues to use VPN technologies and establishes tunnel with the same OTA platform by next RSU, to be connected, by breakpoint transmission technology,Continue increment and download upgrade file, successively go down, until completing the downloading of upgrade file.The embodiment of the present invention, vehicle pass through VPNIt is direct-connected that technology and OTA service platform establish tunnel, in conjunction with breakpoint transmission technology, has the upgrade-system based on V2X certainMobility management capabilities, vehicle need not wait in current RSU coverage area, until complete could be from for the downloading of OTA upgrade file packetOpen the coverage area of current RSU.Also, when vehicle comes back to wireless network covering good area, it can also pass through V2N'sMode connects OTA service platform, to continue to complete the downloading of OTA upgrade file packet, enhances user experience.
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie belowDrawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is onlyTo explain the present invention, it is not intended to limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of elementBe conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mixGround uses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
In one embodiment, the present invention provides a kind of V2X upgrade-system, as shown in Figure 1, the upgrade-system, comprising: vehicleCarry OBU (On board Unit, on board unit) terminal, OTA service platform, several RSU (Road Side Unit, trackside listsMember), wherein each RSU is communicated to connect by wired or wireless with the OTA service platform;The vehicle-mounted OBU terminal is connect by V2IMouth is communicated to connect with some RSU, and passes through the RSU using VPN (Virtual Private Network, Virtual Private Network)Tunnel communication is established with the OTA service platform to connect.
Wherein, several RSU refer at least two RSU.
Optionally, which is communicated to connect by V2I wireless protocols and each RSU.
In the present embodiment, which is corresponding with an OTA service platform.It is taken in vehicle-mounted OBU terminal and OTAIt is engaged between platform, tunnel communication is established by RSU switching using VPN technologies and is connected, the vehicle-mounted OBU terminal can be made to use VPNTunnel communication is established with the OTA service platform by some RSU to connect.Especially when wireless network signal is bad, this is vehicle-mountedOBU terminal is established tunnel communication with the OTA service platform by RSU using VPN and is connect, to obtain from the OTA service platformOTA upgrade file packet.
In one embodiment, as shown in Fig. 2, the vehicle-mounted OBU terminal includes one the oneth VPN module, the OTA service platform packetIt is flat for servicing the vehicle-mounted OBU terminal and the OTA to include one the 2nd VPN module, the first VPN module and the 2nd VPN modulePlatform establishes vpn tunneling communication connection.
In the present embodiment, the first VPN module and second is respectively set in the vehicle-mounted OBU terminal and the OTA service platformVPN module makes the vehicle-mounted OBU terminal pass through RSU and the OTA service platform by the first VPN module and the 2nd VPN moduleEstablish vpn tunneling communication connection.
In one embodiment, which is being established using VPN by current first RSU and OTA service platformIt after tunnel communication connection, is requested to the downloading of the OTA service platform application OTA upgrade file packet, and according to the OTA of downloading returnUpgrade file packet completes the upgrading of vehicle-mounted OBU terminal.
Optionally, downloading request includes the current version information of the vehicle-mounted OBU terminal.
The RSU be used in coverage area for the vehicle-mounted OBU terminal and the OTA service platform between switching establish tunnel lead toLetter connection.
The OTA service platform, the downloading for the OTA upgrade file packet according to the vehicle-mounted OBU terminal are requested, and breakpoint is usedTechnology is resumed to communicate by vpn tunneling to the vehicle-mounted OBU terminal offer OTA upgrade file packet downloading.
Optionally, the downloading which receives the OTA upgrade file packet of the vehicle-mounted OBU terminal is requested, and according toThe current version information of the vehicle-mounted OBU terminal in downloading request, it is vehicle-mounted with this with the presence or absence of having in acknowledgment of your inquiry databaseThe relevant OTA upgrade file packet of OBU terminal then makes if there is there is OTA upgrade file packet relevant to the vehicle-mounted OBU terminalIt is communicated by vpn tunneling to the vehicle-mounted OBU terminal with breakpoint transmission technology and the downloading of OTA upgrade file packet is provided;If there is noThere is OTA upgrade file packet relevant to the vehicle-mounted OBU terminal, then " is not found and the vehicle-mounted OBU to vehicle-mounted OBU terminal returnThe information alert of the relevant OTA upgrade file packet of terminal ".
In the present embodiment, it is being built using VPN by current first RSU and OTA service platform in the vehicle-mounted OBU terminalAfter vertical tunnel communication connection, which starts to request downloading OTA upgrade file packet, the OTA to the OTA service platformService platform passes through VPN tunnel using breakpoint transmission technology according to the request of the downloading OTA upgrade file packet of the vehicle-mounted OBU terminalRoad communication provides the lasting downloading of OTA upgrade file packet to the vehicle-mounted OBU terminal in first RSU coverage area.
In one embodiment, as shown in figure 3, configuring vehicle-mounted OBU terminal if the OTA upgrade file packet does not download completionVehicle when sailing out of from current first RSU into second RSU, then the vehicle-mounted OBU terminal passes through second RSU using VPNIt establishes tunnel communication with same OTA service platform to connect, the OTA service platform is logical by vpn tunneling using breakpoint transmission technologyBelieve and provides the lasting downloading of increment OTA upgrade file packet to the vehicle-mounted OBU terminal in second RSU coverage area.
It in the present embodiment, should when vehicle enters second RSU coverage area from current first RSU coverage areaOTA upgrade file packet is not completed to download, at this point, the vehicle-mounted OBU terminal is taken using VPN by the second RSU and same OTABusiness platform establishes tunnel communication connection, which uses breakpoint transmission technology, in the case where OTA upgrade file packet does not completeOn the basis of load, continue to provide the lasting downloading of increment OTA upgrade file packet to the vehicle-mounted OBU terminal.
If when vehicle entered third RSU coverage area from current second RSU coverage area, OTA upgrading textPart packet is not completed to download, then according to above-mentioned VPN connection method and breakpoint transmission increment OTA upgrade file packet method for down loading, afterContinue to the vehicle-mounted OBU terminal and the lasting downloading of increment OTA upgrade file packet is provided, until completing the downloading of OTA upgrade file packet.
In one embodiment, as shown in figure 4, vehicle can also pass through V2N when wireless network covers good regionMode connect the OTA server, carry out the downloading of OTA upgrade file packet.
A kind of V2X upgrade-system of the offer of the embodiment of the present invention, comprising: vehicle-mounted OBU terminal, OTA service platform, severalA RSU, in which: each RSU is communicated to connect by wired or wireless with the OTA service platform;The vehicle-mounted OBU terminal passes throughV2I interface and some RSU are communicated to connect, and are established tunnel communication with the OTA service platform by the RSU using VPN and connect.Through the embodiment of the present invention, between vehicle-mounted OBU terminal and OTA service platform, tunnel is established by RSU switching using VPN technologiesRoad communication connection can make the vehicle-mounted OBU terminal establish tunnel communication by some RSU and the OTA service platform using VPN and connectIt connects, especially when wireless network signal is bad, which is established using VPN by RSU and the OTA service platformTunnel communication connection, persistently downloads OTA upgrade file packet from the OTA service platform within the scope of current service RSU, and in vehicleCurrent RSU coverage area is sailed out of, when into next RSU coverage area, vehicle-mounted OBU terminal continues to use VPN technologies by shouldNext RSU establishes tunnel with the same OTA platform and connects, and by breakpoint transmission technology, continues increment and downloads upgrade file, according toIt is secondary, until completing the downloading of upgrade file.The embodiment of the present invention, vehicle establish tunnel by VPN technologies and OTA service platformRoad is direct-connected, in conjunction with breakpoint transmission technology, so that the upgrade-system based on V2X is had certain mobility management capabilities, vehicle need notDeng in current RSU coverage area, until the coverage area that can just leave current RSU is completed in the downloading of OTA upgrade file packet.AndAnd when vehicle comes back to wireless network covering good area, OTA service platform can also be connected by way of V2N, is comeThe downloading of OTA upgrade file packet is continued to complete, user experience is enhanced.
In one embodiment, the present invention provides a kind of V2X upgrade method, is applied to V2X upgrade-system, V2X upgradingSystem includes: vehicle-mounted OBU terminal, OTA service platform, several RSU, as shown in figure 5, the upgrade method includes:
Step S1, in RSU coverage area, which is established using VPN by RSU and OTA service platformTunnel communication connection;
Step S2, the vehicle-mounted OBU terminal are requested to the downloading of OTA service platform application OTA upgrade file packet;
Step S3, the OTA service platform are requested according to the downloading of the OTA upgrade file packet of the vehicle-mounted OBU terminal, using disconnectedPoint resumes technology and is communicated by vpn tunneling to the vehicle-mounted OBU terminal offer OTA upgrade file packet downloading.
In the present embodiment, it using VPN technologies, between vehicle-mounted OBU terminal and OTA service platform, is built by RSU switchingVertical tunnel communication connection can make the vehicle-mounted OBU terminal establish tunnel by each RSU and the OTA service platform using VPN and lead toLetter connection.It connect in the vehicle-mounted OBU terminal establishing tunnel communication with OTA service platform by current first RSU using VPNAfterwards, which starts to request downloading OTA upgrade file packet to the OTA service platform, and the OTA service platform is according to thisVehicle-mounted OBU terminal downloading OTA upgrade file packet request, using breakpoint transmission technology by vpn tunneling communication this firstThe lasting downloading of OTA upgrade file packet is provided to the vehicle-mounted OBU terminal in a RSU coverage area.Especially believe in wireless networkWhen number bad, which establishes tunnel communication with the OTA service platform by RSU using VPN and connect, thus from thisOTA service platform obtains OTA upgrade file packet.
In one embodiment, in step s3, the OTA service platform is according to the OTA upgrade file of the vehicle-mounted OBU terminalThe downloading of packet is requested, comprising:
The OTA service platform receives the downloading request of the OTA upgrade file packet of the vehicle-mounted OBU terminal, and according to the downloadingThe current version information of the vehicle-mounted OBU terminal in request, with the presence or absence of having and the vehicle-mounted OBU terminal in acknowledgment of your inquiry databaseRelevant OTA upgrade file packet, it is if there is there is OTA upgrade file packet relevant to the vehicle-mounted OBU terminal, then continuous using breakpointArt is taught skill to communicate by vpn tunneling to the vehicle-mounted OBU terminal offer OTA upgrade file packet downloading;If there is no having and the vehicleThe relevant OTA upgrade file packet of OBU terminal is carried, then " is not found related to the vehicle-mounted OBU terminal to the vehicle-mounted OBU terminal returnOTA upgrade file packet " information alert.
In one embodiment, which may further comprise: in the vehicle for configuring vehicle-mounted OBU terminal from current theOne RSU coverage area enters second RSU coverage area, when which does not complete downloading, the vehicle-mounted OBUTerminal is established tunnel communication with same OTA service platform by second RSU using VPN and is connect;The OTA service platform uses disconnectedPoint resumes technology and provides increment OTA liter to the vehicle-mounted OBU terminal in second RSU coverage area by vpn tunneling communicationThe lasting downloading of grade file packet.
It in the present embodiment, should when vehicle enters second RSU coverage area from current first RSU coverage areaOTA upgrade file packet is not completed to download, at this point, the vehicle-mounted OBU terminal is taken using VPN by the second RSU and same OTABusiness platform establishes tunnel communication connection, which uses breakpoint transmission technology, in the case where OTA upgrade file packet does not completeOn the basis of load, continue to provide the lasting downloading of increment OTA upgrade file packet to the vehicle-mounted OBU terminal.
In one embodiment, which may further comprise: the OTA that the vehicle-mounted OBU terminal is returned according to downloadingUpgrade file packet completes the upgrading of vehicle-mounted OBU terminal.
It should be noted that above method embodiment and system embodiment belong to same design, specific implementation process is detailedSee system embodiment, and the technical characteristic in system embodiment is corresponding applicable in the method embodiment, it is no longer superfluous hereIt states.
Technical solution of the present invention is described in further detail below in conjunction with more specifically embodiment.
In one embodiment, Fig. 1 is please referred to Fig. 3.A kind of V2X upgrade-system is flat with vehicle-mounted OBU terminal, OTA servicePlatform, two RSU1 and RSU2, OTA upgrade file packet can be completed to be said for downloading in RSU1 and RSU2 coverage areaIt is bright.
In embodiment, the present invention provides a kind of V2X upgrade-system, comprising: vehicle-mounted OBU terminal, OTA service platform, twoA RSU1 and RSU2, wherein RSU1 and RSU2 is communicated to connect by wired or wireless with the OTA service platform;The vehicle-mounted OBU is wholeEnd is communicated to connect by V2I interface and some RSU, and establishes tunnel communication by the RSU and the OTA service platform using VPNConnection.
Wherein, which is communicated to connect by V2I wireless protocols and RSU1 and RSU2.
The vehicle-mounted OBU terminal includes one the oneth VPN module, which includes one the 2nd VPN module, this firstVPN module and the 2nd VPN module are for making the vehicle-mounted OBU terminal and the OTA service platform establish vpn tunneling communication connection.
The vehicle for configuring vehicle-mounted OBU terminal is in RSU1 coverage area, which passes through RSU1 using VPNTunnel communication is established with OTA service platform to connect.
The vehicle-mounted OBU terminal is established after tunnel communication connect using VPN by RSU1 and OTA service platform, is taken to the OTAThe downloading request of business platform application OTA upgrade file packet.
The OTA service platform receives the downloading request of the OTA upgrade file packet of the vehicle-mounted OBU terminal, is asked according to the downloadingThe current version information of the vehicle-mounted OBU terminal in asking, with the presence or absence of having and the vehicle-mounted OBU terminal phase in acknowledgment of your inquiry databaseThe OTA upgrade file packet of pass, if there is there is OTA upgrade file packet relevant to the vehicle-mounted OBU terminal, then OTA service is flatPlatform provides OTA upgrade file packet to the vehicle-mounted OBU terminal using breakpoint transmission technology and downloads.It is vehicle-mounted with this if there is no havingThe relevant OTA upgrade file packet of OBU terminal " is not found relevant to the vehicle-mounted OBU terminal to the vehicle-mounted OBU terminal return thenThe information alert of OTA upgrade file packet ".
The vehicle for configuring vehicle-mounted OBU terminal enters RSU2 coverage area from current RSU1 coverage area, confirms that the OTA upgradesWhether file packet downloads completion, if the OTA upgrade file packet is not completed to download, which is passed through using VPNRSU2 establishes tunnel communication with same OTA service platform and connect, which is covered using the breakpoint transmission technology RSU2The lasting downloading of increment OTA upgrade file packet is provided to the vehicle-mounted OBU terminal in range.If the OTA upgrade file packet is completeAt the OTA upgrade file packet that downloading, the vehicle-mounted OBU terminal are returned according to downloading, the upgrading of vehicle-mounted OBU terminal is completed.So far, vehicleCarrying OBU terminal upgrade process terminates.
The embodiment of the present invention provides a kind of upgrade-system, comprising: vehicle-mounted OBU terminal, OTA service platform, two RSU1 andRSU2, wherein RSU1 and RSU2 is communicated to connect by wired or wireless with the OTA service platform;The vehicle-mounted OBU terminal passes throughV2I interface and some RSU are communicated to connect, and are established tunnel communication with the OTA service platform by the RSU using VPN and connect.MatchThe vehicle for setting vehicle-mounted OBU terminal is in RSU1 coverage area, which is serviced using VPN by RSU1 and OTA flatPlatform establishes tunnel communication connection;The vehicle-mounted OBU terminal is requested to the downloading of the OTA service platform application OTA upgrade file packet;It shouldOTA service platform receives the downloading request of the OTA upgrade file packet of the vehicle-mounted OBU terminal, using breakpoint transmission technology to the vehicleIt carries OBU terminal and the downloading of OTA upgrade file packet is provided;Vehicle enters RSU2 coverage area from current RSU1 coverage area, if shouldOTA upgrade file packet is not completed to download, which establishes tunnel by RSU2 and same OTA service platform using VPNRoad communication connection, the OTA service platform provide increasing to the vehicle-mounted OBU terminal using in the breakpoint transmission technology RSU2 coverage areaMeasure the lasting downloading of OTA upgrade file packet.Through the embodiment of the present invention, between vehicle-mounted OBU terminal and OTA service platform, vehicleIt establishes that tunnel is direct-connected by VPN technologies and OTA service platform, the vehicle-mounted OBU terminal can be made to pass through the bridge of RSU1 and RSU2It connects routing module and establishes direct communication with the OTA service platform and connect, especially when wireless network signal is bad, this is vehicle-mountedOBU terminal is established direct communication with the OTA service platform by RSU1 and RSU2 using VPN and is connect, in current service RSU1 modelOTA upgrade file packet is persistently downloaded from the OTA service platform in enclosing, and sails out of current RSU1 coverage area in vehicle, is enteredWhen RSU2 coverage area, vehicle-mounted OBU terminal continues to use VPN and establishes direct communication company by the RSU2 and the same OTA platformIt connects, by breakpoint transmission technology, continues increment and download upgrade file, complete the downloading of upgrade file.The embodiment of the present invention, vehicleIt is direct-connected that tunnel is established by VPN technologies and OTA service platform, in conjunction with breakpoint transmission technology, there is the upgrade-system based on V2XCertain mobility management capabilities, vehicle need not wait in current RSU coverage area, until the downloading of OTA upgrade file packet is completedThe coverage area of current RSU can just be left.Also, when vehicle comes back to wireless network covering good area, it can also lead toThe mode for crossing V2N connects OTA service platform, to continue to complete the downloading of OTA upgrade file packet, enhances user experience.
In one embodiment, Fig. 3 and Fig. 6 are please referred to.V2X upgrade-system is with vehicle-mounted OBU terminal, OTA service platform, twoA RSU1 and RSU2, OTA upgrade file packet can be completed to be illustrated for downloading in RSU1 and RSU2 coverage area.
In embodiment, the present invention provides a kind of V2X upgrade method, is applied to V2X upgrade-system, the V2X upgrade-systemIt include: vehicle-mounted OBU terminal, OTA service platform, two RSU1 and RSU2, wherein RSU1 and RSU2 with the OTA by wirelessly takingBusiness Platform communication connection;The vehicle-mounted OBU terminal is communicated to connect by V2I wireless protocols and RSU1 and RSU2, and is passed through using VPNRSU1 or RSU2 establishes tunnel communication with the OTA service platform and connect;The upgrade method includes:
Step S401, the vehicle for configuring vehicle-mounted OBU terminal are in RSU1 coverage area, which uses VPNTunnel communication is established with OTA service platform by RSU1 to connect.
Step S402, the vehicle-mounted OBU terminal are requested to the downloading of OTA service platform application OTA upgrade file packet.
Step S403, the OTA service platform receive the downloading request of the OTA upgrade file packet of the vehicle-mounted OBU terminal.
Step S404, the OTA service platform according to the downloading request in the vehicle-mounted OBU terminal current version information,With the presence or absence of there is OTA upgrade file packet relevant to the vehicle-mounted OBU terminal in acknowledgment of your inquiry database, if it does, being transferred to stepRapid S405, if it does not, being transferred to step S410.
Step S405, there are OTA upgrade file packets relevant to the vehicle-mounted OBU terminal, then the OTA service platform usesBreakpoint transmission technology is communicated to the vehicle-mounted OBU terminal by vpn tunneling and provides the downloading of OTA upgrade file packet.
Step S406, the vehicle for configuring vehicle-mounted OBU terminal enter RSU2 coverage area from current RSU1 coverage area, confirmationWhether the OTA upgrade file packet downloads completion, if having downloaded completion, is transferred to step S409, if not downloading completion, is transferred to stepRapid S407.
Step S407, the OTA upgrade file packet are not completed to download, the vehicle-mounted OBU terminal using VPN by the RSU2 withSame OTA service platform establishes tunnel communication connection.
Step S408, the OTA service platform are communicated by vpn tunneling in the RSU2 coverage area using breakpoint transmission technologyThe introversive vehicle-mounted OBU terminal provides the lasting downloading of increment OTA upgrade file packet.It is transferred to step S406.
Step S409, the OTA upgrade file packet which returns according to downloading, completes the liter of vehicle-mounted OBU terminalGrade.It is transferred to step S411, vehicle-mounted OBU terminal upgrade process terminates.
Step S410, there is no there is OTA upgrade file packet relevant to the vehicle-mounted OBU terminal, then to the vehicle-mounted OBU terminalReturn to the information alert of " not finding OTA upgrade file packet relevant to the vehicle-mounted OBU terminal ".
Step S411, vehicle-mounted OBU terminal upgrade process terminate.
The embodiment of the present invention provides a kind of V2X upgrade method, is applied to V2X upgrade-system, comprising: vehicle-mounted OBU terminal,OTA service platform, RSU1 and RSU2;The vehicle for configuring vehicle-mounted OBU terminal is in RSU1 coverage area, the vehicle-mounted OBU terminalTunnel communication is established with OTA service platform by RSU1 using VPN to connect;The vehicle-mounted OBU terminal is to OTA service platform applicationThe downloading of OTA upgrade file packet is requested;The OTA service platform is asked according to the downloading of the OTA upgrade file packet of the vehicle-mounted OBU terminalIt asks, is communicated by vpn tunneling to the vehicle-mounted OBU terminal using breakpoint transmission technology and the downloading of OTA upgrade file packet is provided.Vehicle fromCurrent RSU1 coverage area enters RSU2 coverage area, if the OTA upgrade file packet is not completed to download, the vehicle-mounted OBU is wholeEnd is established tunnel communication with the OTA service platform by RSU2 using VPN and is connect, which uses breakpoint transmission skillThe lasting downloading of increment OTA upgrade file packet is provided to the vehicle-mounted OBU terminal in the art RSU2 coverage area.It is real through the inventionExample is applied, between vehicle-mounted OBU terminal and OTA service platform, tunnel communication is established by RSU switching using VPN technologies and is connected, it canSo that the vehicle-mounted OBU terminal is established tunnel communication with the OTA service platform by RSU1 and RSU2 using VPN and is connect, especiallyWhen wireless network signal is bad, which establishes tunnel by RSU1 and RSU2 and the OTA service platform using VPNRoad communication connection, persistently downloads OTA upgrade file packet from the OTA service platform within the scope of current service RSU1, and in vehicleCurrent RSU1 coverage area is sailed out of, when into RSU2 coverage area, vehicle-mounted OBU terminal continues to use VPN technologies and passes through the RSU2Tunnel is established with the same OTA platform to connect, and by breakpoint transmission technology, is continued increment and is downloaded upgrade file, completes upgrading textThe downloading of part.The embodiment of the present invention, it is direct-connected that vehicle by VPN technologies and OTA service platform establishes tunnel, in conjunction with breakpoint transmission skillArt makes the upgrade-system based on V2X have certain mobility management capabilities, and vehicle need not wait in current RSU coverage area,Until the coverage area that can just leave current RSU is completed in the downloading of OTA upgrade file packet.Also, wireless network is come back in vehicleWhen network covers good area, OTA service platform can also be connected, by way of V2N to continue to complete OTA upgrade file packetDownloading enhances user experience.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-rowHis property includes, so that the process, method, article or the device that include a series of elements not only include those elements, andAnd further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsicElement.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to doThere is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specificEmbodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the artUnder the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very muchForm, all of these belong to the protection of the present invention.