Cloud-Supported Seamless Internet Access in Intelligent Transportation Systems

  • Authors:
  • Yen-Wen Lin;Jie-Min Shen;Hao-Chun Weng

  • Affiliations:
  • Department of Computer Science, National Taichung University of Education, Taichung, Taiwan, Republic of China;Department of Computer Science, National Taichung University of Education, Taichung, Taiwan, Republic of China;Department of Computer Science, National Taichung University of Education, Taichung, Taiwan, Republic of China

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2013

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Abstract

Great progress of technologies makes intelligent transportation system (ITS) services increasingly desirable. It becomes essential to seamlessly connecting to the Internet for accessing high quality Internet-enabled ITS services. In this context, gateway is recognized as the logical portal to the Internet. The efficiency of gateway regulation hence significantly sways the quality of ITS services. To seamlessly access the Internet in ITSs, a cloud-supported gateway model is proposed in this paper. Accordingly, the weighty load of gateway government, including gateway registration, discovery, selection, dispatching, and handoff, is offloaded from the clients to the appointed cloud servers. Numerical analyses and simulation results suggest that the gateway model proposed in this paper effectively improves the system performance in terms of the packet delivery rate, end-to-end delay, signaling overhead, and gateway connectivity; and, correspondingly enhances the usage experience of Internet-enabled ITS services.