Research on Modeling and Simulation of Train Network Fusion System Based on OPNET

The traditional train communication network structure is a bus-type network structure with small bandwidth and low throughput. Each network system exists independently of each other, causing problems such as increased network equipment, increased costs, and complex network wiring. Switched real-time Ethernet has the characteristics of high speed, high compatibility and real-time performance. It can integrate multiple network systems into one network to data communication, and can well solve the above problems. This paper focuses on the research on the fusion technology of Ethernet-based train TCMS network and PIS network and uses OPNET network simulation software to simulate the network performance of the converged network, and analyzes the network performance according to the simulation results.