Abstract
This paper proposes an efficient message switch scheme for an intersection area in vehicular telematics network, where routing decision may be complex due to dynamic vehicle distribution change. Installed at each corner of an intersection, each switch node opens an external interface to exchange messages with vehicles proceeding to the intersection from the pre-assigned branch, while switching the received messages via the internal interfaces, accessing two shared channels according to slot-based MAC. The difference in the access phases across two channels further enhances the switch speed and message discard ratio. The performance measurement result obtained by simulation using SMPL shows that the proposed scheme can improve the access delay by up to 16.4 %, showing over 85 % delivery ratio for all discard interval range.
This research was supported by the MKE(The Ministry of Knowledge Economy), Korea, under the ITRC(Information Technology Research Center) support program supervised by the NIPA(National IT Industry Promotion Agency). (NIPA-2010-(C1090-1011-0009)).
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Lee, J., Park, GL., Kwak, HY., Lee, S.J., Kang, M. (2010). Design of a Reliable Wireless Switch for the Intersection Area on Vehicular Telematics Networks. In: Chang, CC., Vasilakos, T., Das, P., Kim, Th., Kang, BH., Khurram Khan, M. (eds) Advanced Communication and Networking. ACN 2010. Communications in Computer and Information Science, vol 77. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13405-0_1
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DOI: https://doi.org/10.1007/978-3-642-13405-0_1
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