Abstract
This chapter presents a virtual laboratory based on co‐simulation and relying on two existing tools: a European Rail Traffic Management System (ERTMS) simulator implementing the functional subsystem (ETCS) and an OPNET simulator that allows us to model the whole telecommunication subsystem, namely the Global System for Mobile Communications Railways (GSM‐R). It also presents the co‐simulation approach developed in the ANR Project Virtual lab based on co‐simulation to include impairments of wireless tElecommunication such as GSM‐R in the evAluation of ERTMS components (VEGAS) that supported this work and the resulting virtual laboratory software tool. The chapter further presents a case study of an ERTMS scenario that evaluated using the virtual laboratory, completed by a discussion on the advantages and drawbacks of the co‐simulation approach itself. Finally, the chapter presents the co‐simulation process applied to a scenario and the related main steps.
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