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Heijenk, G.J. and van Eenennaam, E.M. and Remke, A.K.I. (2014) Performance Comparison of IEEE 802.11 DCF and EDCA for Beaconing in Vehicular Networks. In: Proceedings of the 11th International Conference on Quantitative Evaluation of Systems, QEST 2014, 08-10 Sept 2014, Florence, Italy. pp. 154-169. Lecture Notes in Computer Science 8657. Springer International Publishing. ISSN 0302-9743 ISBN 978-3-319-10695-3
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Official URL: http://dx.doi.org/10.1007/978-3-319-10696-0_12
For use in vehicular networks, IEEE 802.11p has been standardized as the underlying wireless system. The 802.11 standard distinguishes two main methods of operation with respect to channel access, the Distributed Coordination Function (DCF) and the Enhanced Distributed Channel Access (EDCA), where the latter is the mandated method to be used in vehicular networks (in 802.11p). We present validated analytical models for both DCF and EDCA, and compare both methods in the context of beaconing.We will show that, surprisingly,DCF outperforms EDCA under assumptions that are realistic for beaconing in vehicular networks.
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