A secure communication method for Internet of Vehicles based on cooperative beamforming

Abstract

The invention discloses an Internet of Vehicles secure communication method based on cooperative beam forming, comprising the following steps: step 1, determining a vehicle which generates data and needs to send the data to a base station as a source node, and obtaining the distance between the source node and the base station; step 2, selecting vehicles around the source node as candidate nodes, forming a candidate node set, the source node publishing information to the candidate node set, the candidate node set receiving the information and responds ID and coordinate information corresponding to the information to the source node, and the source node sequentially obtaining the distances between the source node and nodes in the candidate node set; step 3, sorting the distances between the source node and the nodes in the candidate node set according to an ascending order, and selecting the first N nodes as a cooperative node set participating in cooperative beam forming; 4, calculating an ideal excitation current of a node of the virtual array antenna by using an evolutionary algorithm; and 5, the source node broadcasting cooperative beam forming control information to the cooperative node set.

Description

technical field [0001] The technical field of vehicle communication security of the present invention, more specifically, the present invention relates to a method for secure communication of the Internet of Vehicles based on cooperative beamforming. Background technique [0002] The Internet of Vehicles is a special type of mobile ad hoc network composed of a group of vehicles with short- and medium-distance wireless transceivers. Through the use of a new generation of information and communication, it realizes the in-vehicle, vehicle-to-vehicle, vehicle-to-road, vehicle-to-people, V2X (Vehicle to Everything) all-round network connection between vehicles and service platforms. In the Internet of Vehicles communication scenario, when multiple vehicles are waiting for a red light at an intersection, all vehicles are randomly distributed in the waiting area, and the vehicles in the area are regarded as communication nodes, and data is generated in one vehicle and sent to the b...

AI Technical Summary

Problems solved by technology

In the Internet of Vehicles communication scenario, when multiple vehicles are waiting for a red light at an intersection, all vehicles are randomly distributed in the waiting area, and the vehicles in the area are regarded as communication nodes, and data is generated in one vehicle and sent to the base station During the communication process, there are many eavesdroppers around the vehicle, intercepting the data transmitted between the vehicle and the receiving end and maliciously tampering or destroying it, which will lead to serious communication security problems

The use of information encryption can effectively improve the level of information security, but in the Internet of Vehicles environment with very high requirements on timeliness and delay, the use of complex encryption algorithms may lead to unacceptable calculation and communication delays, thereby reducing Performance of connected car applications

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