This paper addresses the performance evaluation of a Full Duplex wireless protocol for an industrial backbone making a comparison with the traditional IEEE802.11 half duplex protocol. A Petri net model is used as the basis for the evaluation. The paper first examines the features of a wireless backbone and some issues they impose. Then, the paper describes the limits of the 802.11 and the solution here proposed which is based on the use of full duplex wireless links and discusses the PN models. At last the results of the performance evaluation are presented and the advantages offered by the full duplex solution are discussed.
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