Dynamic Channel Reservation to Enhance Channel Access by Exploiting Structure of Vehicular Networks

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Executive Summary

VANET protocols need to exploit the special structure of vehicular networks. This structure includes the one-dimensional nature of roads, the structure of lanes, the group mobility of vehicles, and the communication patterns of the envisaged applications. It is therefore of interest to examine how to specifically tailor VANET protocols to exploit all the above properties. In this paper, motivated by the goal of providing significantly better application level QoS, the authors study the MAC problem, and examine to what extent one can improve the performance of the mechanism employed in the IEEE 802.11p protocol.

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