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Development of Clustering-Based Multi-Channel MAC Protocol to Improve Efficiency of Network in VANET  

Jung, Sung-Dae (한양대학교 전자통신컴퓨터공학과 유비쿼터스통신 연구실)
Lee, Seung-Jin (한양대학교 전자통신컴퓨터공학과 유비쿼터스통신 연구실)
Lee, Sang-Sun (한양대학교 전자통신컴퓨터공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.5B, 2009 , pp. 463-468 More about this Journal
Abstract
In VANET(Vheicle Ad hoc Network), the researches based on the wireless LAN are conducting and the method based on 802.11a is being adapted in IEEE 802.11p WAVE(Wireless Access in Vehicular Environments). However, wireless LAN which uses a single channel in a competition can cause transmission delays because of a frequent collision and a use of CSMA/CA to avoid competition in VANET requiring a fast access. In this paper, we designed CMMP (Clustering based Multi-channel MAC protocol) adequate to VANET and then confirmed the appropriate channel conditions in a V2V communication on the basis of this protocol. The simulation results showed that a packet collision and a transmission delay by the use of an existing single channel based on the contention decreased more than 60% by CMMP.
Keywords
Multi-channel; MAC; Clustering; Telematics; ITS;
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