A Markov Model for the IEEE 802.11 DCF under Limit Load

Sheng Guo Gao

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

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 48-49A Markov Model for the IEEE 802.11 DCF under Limit...

A Markov Model for the IEEE 802.11 DCF under Limit Load

Abstract:

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:

Applied Mechanics and Materials (Volumes 48-49)

Pages:

29-33

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.48-49.29

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Online since:

February 2011

Authors:

Sheng Guo Gao

Keywords:

DCF, IEEE 802.11, Markov Model, Wireless LAN

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