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http://dx.doi.org/10.7840/kics.2014.39B.3.169

Velocity based Self-Configuring Time Division Broadcasting Protocol for Periodic Messages in Vehicle-to-Vehicle Communication  

Lee, Donggeun (한양대학교 전자컴퓨터통신학부 유비쿼터스통신 연구실)
Chang, Sang-Woo (한양대학교 전자컴퓨터통신학부 유비쿼터스통신 연구실)
Lee, Sang-Sun (한양대학교 융합전자공학부 유비쿼터스통신 연구)
Abstract
For vehicle safety-related services using wireless communications, reliable collection of various driving informations transmitted periodically by neighbor vehicles is the most important. Every host vehicle analyses them to estimate a potential dangerous situation in a very short time and warns drivers to prevent an accident. However tremendous amount of periodic messages can cause the wireless communication in chaos and the services not in safe. In this paper, we propose a time-division broadcasting protocol to mitigate the communication congestion. It utilizes the received information of vehicle velocity and location, i.e. vehicle traffic density on a road to adjust the number of time slots in a given broadcasting period, and transmission power. The simulation results show that message reception ratio is changed to approximately 40% and channel access time also decreased from 10ms to 0.23ms.
Keywords
Beacons; VANET; Congestion control; broadcast;
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Times Cited By KSCI : 3  (Citation Analysis)
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