A routing method for vehicle ad hoc network

Abstract

The invention relates to a vehicle self-organizing network routing selection method and belongs to the technical field of wireless communication and particularly the technical fields of vehicle self-organizing network. In order to solve the problem that a source vehicle in the vehicle self-organizing network cannot be directly connected with a target vehicle and multi-hop message forwarding of a transmission route via relay vehicles needs to be selected, all candidate routes between the source vehicle and the target vehicle are determined by adopting a logical algebraic algorithm, a random arrival curve of different services of the source vehicle and a random service curve of the relay vehicles of the candidate routes are modeled by adopting the random network calculus theory, corresponding end-to-end delay and transmission rate performance of the services, transmitted via the candidate routes, of the source vehicle is evaluated, the candidate route with the optimal transmission performance is selected on the basis of service requirements of the source vehicle, and selection of the routes is optimized. Service performance of the source vehicle and relay forward performance of the relay vehicles of the candidate routes are comprehensively considered, so that the transmission performance of the vehicle self-organizing network service is optimized, and broad application prospect is achieved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to the technical field of vehicle self-organizing network, and relates to a routing method for vehicle self-organizing network. Background technique [0002] The vehicle ad hoc network is a self-organizing, open-structured inter-vehicle communication network that can provide communication between vehicles and between vehicles and roadside infrastructure. By combining Global Positioning System (GPS) and wireless communication technology, Such as wireless local area network, cellular network, etc., can provide high-speed data access services for vehicles in high-speed moving state, and support information exchange between vehicles. Effective technology for in-car entertainment. [0003] In a vehicle self-organizing network, the location, direction, and speed of vehicles are constantly changing, as well as the limited coverage of access points (APs), which lead to rapid...

AI Technical Summary

Problems solved by technology

[0005] The above research considers the routing selection factors relatively single, and does not comprehensively consider the arrival characteristics of the SV service flow, such as arrival rate, business burst, and the service characteristics of the RV, such as available bandwidth, access delay, etc., and cannot achieve end-to-end Optimization of end data forwarding performance

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