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At present, Communication Based Train Control (CBTC) system has being researched and developed, and it is going to be the direction of development of train control system. The wireless communications system has become one of the essential subsystems of CBTC. In view of urban mass transit, this paper proposes a test platform about Wireless Local Area Network (WLAN) which has been widely applied in CBTC, and emphatically introduces two key tests: one is the AP coverage test and the other one is the SA handover test, then gives corresponding test data and results analysis. The results prove that test scheme provides the important evidences to optimize AP's arrangement along the track, realizes the uninterrupted communication between train and trackside, and ensures the safety of train operation in CBTC.
Date of Conference: 13-15 Dec. 2007