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Vanet literature is mainly focused on CSMA and CSMA-like access protocols. Actually a deep study on how a slotted approach could be adopted in Vanet is missing. This is mainly due to the lack of a distributed MAC able to guarantee a scalable resource reservation without involving a central poller. In this paper we propose a novel protocol, MS-Aloha, which is based on recent RR-Aloha extensions, in order to overcome its most critical limitations. The protocol is studied theoretically and validated by simulations. Even if an extensive analysis is far from being achieved, some relevant results are discussed as important enabling steps.
Scopigno et al. (Tue,) studied this question.