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介绍旅客信息系统中无线局域网(WLAN)的结构,并针对WLAN应用于旅客信息系统,保证车—地之间的实时信息传输的安全、漫游、带宽关键技术进行了阐述与分析。
This paper introduces the structure of Wireless Local Area Network (WLAN) in Passenger Information System (WSIS), and describes and analyzes the key technologies that WLAN uses in passenger information systems to ensure the safety of real-time information transmission between vehicles and land, roaming and bandwidth.