Secondary issuing system and method for OBU (on-board unit)
A vehicle-mounted electronic label and secondary issuance technology, applied in the field of intelligent transportation, can solve the problems of low issuance efficiency, OBU issuance tasks, and high operating costs for ETC operators to build service outlets, saving users time and operating costs.
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Embodiment 1
[0035] figure 1 It is a structural block diagram of a vehicle-mounted electronic tag secondary issuance system provided by the embodiment of this application. As shown in the figure, it includes: ETC operator issuance management subsystem S101, 4S store ETC pre-issuance subsystem S102, and vehicle management station ETC supplementary recording subsystem S104. Among them, the ETC operator issuance management system S101 serves as the hub of the entire issuance system, ensuring the issuance security of the ETC pre-issuance subsystem S102 of the 4S shop and the ETC supplementary recording subsystem S104 of the vehicle management station, and manages key data and security authentication data during the issuance process , to store release information. The 4S shop pre-issuance subsystem S102 is used to write the vehicle information of the posted vehicle except the license plate information to the posted OBU, and realize the activation operation of the posted OBU at the same time. ...
Embodiment 2
[0047] In order to ensure the security of key data in the issuance process, pre-issuance at 4S stores and re-recording at vehicle management offices can choose to use offline or online issuance modes, both of which are protected by the security mechanism of the ETC operator's issuance system.
[0048] figure 2 A schematic structural diagram of an offline issuance system is given, as shown in the figure, which includes a 4S store pre-issuance system / vehicle management office supplementary issuance system S21, issuance equipment S22, secondary issuance of PSAM cards S23, and vehicle electronic tags S24.
[0049] The issuing system S21 includes an issuing information entry module 201 , an issuing information downloading module 202 , an issuing log recording module 203 , and an issuing information uploading module 204 .
[0050] The issue information input module 201 provides the human-computer interaction interface between the issuer and the system, which is convenient for the i...
Embodiment 3
[0058] This embodiment provides a flow chart of secondary issuance instructions of 4S stores and vehicle management offices.
[0059] Such as Figure 4 As shown in the 4S store pre-release instruction diagram, the 4S store pre-release includes updating vehicle information except for the license plate information, and activating the anti-tampering position. Assuming that the pre-release information has been downloaded to the issuing device, the specific release steps are as follows:
[0060] Step 401, the issuing device sends a BST (beacon service table) through DSRC communication, and wakes up the OBU; step 402, the OBU returns the corresponding VST (vehicle service table) according to the BST content, and the issuing device establishes a communication link after receiving the VST, and at the same time according to The system information service provider code in VST judges whether the OBU has been issued once, and the key in the OBU is an informal key if it has not been issued...
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