An Emergency Message Propagation Method with Stem and Branch Structure for Vehicle Safety Communication 


Vol. 32,  No. 2, pp. 203-212, Feb.  2007


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  Abstract

An advanced vehicle safety system can be constructed by exchanging danger-related information ,such as urgency stop, traffic accident, obstacle, and car trouble, among the vehicles. However, because network topology changes rapidly and frequently due to the mobility of vehicles, it is impossible to configure the network for information forwarding in this environment. In the most of vehicle safety communication applications, an emergency message is propagated in a form of broadcasting. The simple broadcasting causes a lot of problems in terms of efficiency due to multi-hop area and radio collision problem. This paper proposes a method of selective message forwarding with stem and branch structure for propagating the emergency messages. However, the proposed method raise the efficiency of message transmission with the selective forwarding based on the priority assignment as its location. We analyze and evaluate the performance by comparing the proposed scheme with other schemes that are presented in the paper.

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  Cite this article

[IEEE Style]

S. Yu and G. Cho, "An Emergency Message Propagation Method with Stem and Branch Structure for Vehicle Safety Communication," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 2, pp. 203-212, 2007. DOI: .

[ACM Style]

Suk-dea Yu and Gi-hwan Cho. 2007. An Emergency Message Propagation Method with Stem and Branch Structure for Vehicle Safety Communication. The Journal of Korean Institute of Communications and Information Sciences, 32, 2, (2007), 203-212. DOI: .

[KICS Style]

Suk-dea Yu and Gi-hwan Cho, "An Emergency Message Propagation Method with Stem and Branch Structure for Vehicle Safety Communication," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 2, pp. 203-212, 2. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880