Abstract
This paper proposes an efficient message switch scheme on the vehicular telematics network, especially for the intersection area where routing decision may be complex due to severe traffic concentration. Each switch node opens an external interface to exchange messages with vehicles proceeding to the intersection from the pre-assigned branch as well as switches the received messages via the internal interfaces, accessing two shared channels according to slot-based MAC. Within each synchronized slot, channel probing and switching can efficiently deal with channel errors. The simulation result shows that the proposed scheme improves the delivery ratio by up to 13 % for the channel error rate range as well as up to 8.1 % for the given network load distribution.
This research was supported by the MKE, Korea, under the ITRC support program supervised by the IITA. (IITA-2009-C1090-0902-0040).
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References
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© 2009 Springer-Verlag Berlin Heidelberg
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Lee, J., Park, GL., Shin, IH., Kang, MJ. (2009). Design of Intersection Switches for the Vehicular Network. In: Hong, C.S., Tonouchi, T., Ma, Y., Chao, CS. (eds) Management Enabling the Future Internet for Changing Business and New Computing Services. APNOMS 2009. Lecture Notes in Computer Science, vol 5787. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04492-2_68
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DOI: https://doi.org/10.1007/978-3-642-04492-2_68
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-04491-5
Online ISBN: 978-3-642-04492-2
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