NDLI: A Sensor-Based Seamless Handover Solution for Express Train Access Networks (ETANs)

Content Provider	IEEE Xplore Digital Library
Author	Guoqing Hu Anpeng Huang Chang, T. Xiang Cheng Hequan Wu Linzhen Xie Anshi Xu Zhangyuan Chen
Copyright Year	1997
Abstract	Express train transportation is becoming a major tool for carrying approximately one million passengers daily in China today. To provide broadband information services for train passengers, the greatest challenge is achieving a seamless handover solution to guarantee wireless service continuity. This motivates us to incorporate sensor technology into Radio over Fiber architecture to construct an Express Train Access Network (ETAN), where the deployed sensor network captures the train movement status, which can indicate the wireless signal strength. Since the train moves on a fixed rail with fixed direction, it is possible to form an intelligent handover decision system, in which a critical movement state can exactly trigger an optical switch unit in the central station to carry out the handover procedure. Theory analyses and simulation results demonstrate that the proposed architecture can perform handover within 22 ms at a train speed of 350 km/h, providing wireless services for users without disruption, even for a cell radius as small as 100 m.
Starting Page	470
Ending Page	472
Page Count	3
File Size	164728
File Format	PDF
ISSN	10897798
Volume Number	16
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Optical switches Wireless sensor networks Computer architecture Timing Ultrafast optics Multiaccess communication radio over fiber Express train access network (ETAN) handover light sensor optical switch unit
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Modeling and Simulation Computer Science Applications

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