Abstract：Research purposes：The operation management of modern urban transport system pays more and more attention to the service of passengers, and establishment of the passenger information system servicing the passengers is placed in a key position in subway construction. Through the research, the proposal is made that the wireless technology can be chosen for the subway passenger information system.
Research conclusions：Through the analysis and comparison of the three wireless technologies of WLAN, WMAX and Mesh, application of WLAN technology can realize the bi-high speed telecommunication for subway between train and the station of subway, which is the most advanced, practical and reliable real-time telecommunication mode that can satisfy the communication for high-speed train of subway.
李佳祎，黄纯昉. 地铁PIS系统车地无线技术的探讨[J]. 铁道工程学报, 2009, 26(4): 104-107.
LI Jia-yi, HUANG Chun-fang. Exploration on the Wireless Technology for Subway Passenger Information System(PIS). 铁道工程学报, 2009, 26(4): 104-107.
2009, Vol. 26 
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