A New Analytic Method for IEEE 802.11 Distributed Coordination Function

Gang Uk HWANG  Min Young CHUNG  Yutae LEE  

IEICE TRANSACTIONS on Communications   Vol.E91-B   No.1   pp.239-246
Publication Date: 2008/01/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.1.239
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
wireless local area network,  IEEE 802.11,  distributed coordination function,  performance analysis,  medium access delay,  

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In this paper, we consider a network of N identical IEEE 802.11 DCF (Distributed Coordination Function) terminals with RTS/CTS mechanism, each of which is assumed to be saturated. For performance analysis, we propose a simple and efficient mathematical model to derive the statistical characteristics of the network such as the inter-transmission time of packets in the network and the service time (the inter-transmission time of successful packet transmissions) of the network. Numerical results and simulations are provided to validate the accuracy of our model and to study the performance of the IEEE 802.11 DCF network.