Design of intersection switches for the vehicular network

Authors:
Junghoon Lee;Gyung-Leen Park;In-Hye Shin;Min-Jae Kang
Affiliations:
Dept. of Computer Science and Statistics, Jeju National University, Jeju Do, Republic of Korea;Dept. of Computer Science and Statistics, Jeju National University, Jeju Do, Republic of Korea;Dept. of Computer Science and Statistics, Jeju National University, Jeju Do, Republic of Korea;Dept. of Electronic Engineering, Jeju National University, Jeju Do, Republic of Korea
Venue:
APNOMS'09 Proceedings of the 12th Asia-Pacific network operations and management conference on Management enabling the future internet for changing business and new computing services
Year:
2009

Citing 3
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Performance measurement of a dual-channel intersection switch on the vehicular network

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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 trafic 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.