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유성호(Sung-Ho Yoo),이태규(Tae-Gyu Lee),이성훈(Sung-Hoon Lee),박기수(Gie-Soo Park),류명선(Myoung-Seon Ryou) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
With the rapid development of information and communication technology CBTC system based on the wireless communication is widely applied in the railway signal system recently. CBTC system has advantages of lower installation space and maintenance fee than existing systems and the increase of transportation capacity and improvement of operating efficiency etc. due to the short headway. Based on the continuous wireless data communication between onboard and wayside equipment CBTC system not only locates the train and transmits the information required for the train control but also implements the moving block function by calculating the brake curves continuously according to distance from the preceding train. CBTC system can use either inductive loop (IL-CBTC) or radio frequency transmissions (RF-CBTC). In this paper we propose RF-CBTC system architecture based on the functional modules in which the CAN bus network is applied for the interfaces between the modules.