Message reliability evaluation method for aggregation of two trust evaluations in car networking
A vehicle networking and reliability technology, applied in the field of vehicle networking security, can solve problems such as actual performance limitations, ignoring trust, and ignoring data-oriented trust, and achieves the effects of fast evaluation speed, high dynamic characteristics, and accurate evaluation results.
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[0061] Attached below figure 1 and attached figure 2 The technical solutions of the present invention are described in detail.
[0062] The technical solution described in the invention mainly includes three elements, namely, the trust center (Trust Authority, TA), the roadside unit (Road-Side Unit, RSU) and the vehicle (ie node, Node), wherein the vehicle and the roadside unit pass through other The vehicle's relay communicates wirelessly, while wired communication is used between the RSU and the trust center.
[0063] The trust center is responsible for maintaining the trust information of the nodes, and updating the trust value of each node every time interval Δt.
[0064] Taking the calculation of the trust value TV(S) of the node S as an example, the trust center first selects the latest at most n pieces of trust feedback ( That is, TF(A,S), TF(B,S), TF(C,S), etc.), and the corresponding feedbackers are added to the feedbacker set FS(S) of node S, th...
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