Recently with the development of high-speed railways, the traditional train communication network (TCN) can barely meet the increasing demand of realtime and high data rate transmission requirements. In this study, a solution based on switched Ethernet is firstly proposed with reconstructed TCN topology and communication protocol stacks. Then, virtual link and flow shaping were introduced in order to realize a strictly real-time communication. By using the network calculus theory the presented strategies were proven to admit a maximum delay constraint and simulation results also verify our analysis. Finally a detailed analysis of the vehicle layer and backbone layer are given, where the results show that traditional TCN could be replaced by TCN based on switched Ethernet.
Research on train communication network based on switched Ethernet
2014
13 Seiten, Bilder, Tabellen, 10 Quellen
Conference paper
English
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