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Stochastic models for IEEE 802.11p

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Abstract

Recent advances in wireless network technologies, like the ability to operate in a high-speed mobility environment, have opened up to a number of domains such as that of Intelligent Transport Systems (ITS) whose main component are so-called Vehicular Ad hoc Networks (VANETs). VANETs are associated with two kind of deployments: vehicular to Infrastructure (V2I), managing communications between vehicles and a fixed infrastructure, and Vehicular to Vehicular (V2V), for communications between vehicles. Since VANETs obey to the principles of mobile ad hoc networks, hence connections are established in a spontaneous and distributed manner, they suffer from lack of Quality of service guarantees as the access is not bounded. Modeling of VANETs is a complex task, as there are a number of factors that negatively affect the state-space dimension (i.e. the number of considered vehicles, the considered traffic, the mobility management). In this paper we introduce a formal model, in terms of a Markov chain, of the IEEE 802.11p MAC protocol, the basic access control mechanism employed in VANETs. Such model is the basis for computing relevant performance measures of the VANETs.
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Dates and versions

hal-01724310 , version 1 (06-03-2018)

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Lynda Mokdad, Jalel Ben-Othman, Paolo Ballarini. Stochastic models for IEEE 802.11p. IEEE Symposium on Computers and Communications (ISCC'16), Jun 2016, Messina, Italy. ⟨10.1109/ISCC.2016.7543717⟩. ⟨hal-01724310⟩
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