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A dynamic channel switching mechanism based on vehicle density

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6 Author(s)
Yiding Huo ; Key Lab of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China ; Jinjie Guo ; Rui Zou ; Hongtao Zhang
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The Wireless Access in Vehicular Environment (WAVE) protocol should be widely used in vehicle-to-infrastructure and vehicle-to-vehicle radio communications. In the traditional mechanism, channel switching method cannot self-adjust the time point of channel switching flexibly according to the density of the vehicles, causing the problem of driving safety and channel usage efficiency over Control Channel (CCH). In this paper, we propose an adaptively dynamic channel switching mechanism based on vehicle density to overcome above problems. Furthermore, we introduce a practical road scenario model and carry out a series of rigorous simulations based on NS3 simulator. Numerous simulation results have witnessed an improvement in successful ratio of sending beacon message as well as Service Channel (SCH) throughput.

Published in:

Wireless Personal Multimedia Communications (WPMC), 2012 15th International Symposium on

Date of Conference:

24-27 Sept. 2012