A Markov Model for the IEEE 802.11 DCF under Limit Load

Abstract:

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Wireless Local Area Networks (WLANs) have been attracted significant research during the last few years. The primary medium access control (MAC) technique of 802.11 is called distributed coordination function (DCF). DCF is a carrier sense multiple access with collision avoidance (CSMA/CA) scheme with binary slotted exponential backoff. This paper proposes a new Markov model to analyze the CSMA/CA protocol and average packet delay. This model covers the finite load condition and saturation condition. The close agreement between the theoretical results and simulation results using NS-2 under reaffirms the accuracy of the analytical model.

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Periodical:

Edited by:

Zhixiang Hou

Pages:

29-33

DOI:

10.4028/www.scientific.net/AMM.48-49.29

Citation:

S. G. Gao "A Markov Model for the IEEE 802.11 DCF under Limit Load", Applied Mechanics and Materials, Vols. 48-49, pp. 29-33, 2011

Online since:

February 2011

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$35.00

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