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With the development of in-vehicle network (IVN) technology, the real-time performance and reliability of vehicle Ethernet become very important. Time-sensitive network (TSN) has become a new technical solution for vehicle Ethernet because of its high accuracy of data transmission. To solve the problem of low scheduling efficiency and poor real-time transmission in traffic scheduling in TSN, the optimization of traffic scheduling time is studied in the network from the aspect of scheduling algorithm. Firstly, the time slot scheduling model of time-sensitive flows is established. Then, a hybrid scheduling strategy considering traffic routing and traffic scheduling optimization is designed. In the routing strategy, the ant colony algorithm is designed to optimize the traffic transmission path. In the scheduling strategy, a time planning model is established and the global scheduling schedule is optimized by mixed integer programming algorithm. Finally, the traffic scheduling simulation and gated scheduling experiment verify that the proposed scheduling optimization algorithm can significantly improve the efficiency and real-time performance of traffic scheduling in vehicle TSN.
Hou et al. (Fri,) studied this question.