A Method for Simulation and Analysis of Trackside Data Communication System in CBTC

When simulation aims at evaluating the scalability of new protocols and applications, it is indispensable to work with large scale network topologies. It has important practical significance and benefits for improving the behaviors of network planning and design, system optimized design and project risk reduction. The technique of modeling our safe communication protocol of Communication Based Train Control (CBTC) and the setup of a research platform using the OPNET Modeler are introduced, so that the dynamic performance issues could be studied to guide the CBTC network planning and design.