Performance analysis of 802.11 WLANs under sporadic traffic

Authors:
M. Garetto;C. -F. Chiasserini
Affiliations:
Dipartimento di Elettronica, Politecnico di Torino, Italy;Dipartimento di Elettronica, Politecnico di Torino, Italy
Venue:
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
Year:
2005

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Abstract

We analyze the performance of 802.11 WLANs that employ the Distributed Coordination Function (DCF). We consider contending stations within radio proximity, and investigate the case in which stations operate under non-saturated conditions. Our modelling technique can be used to study several important issues in 802.11 networks, such as the impact of bursty traffic and the system performance in a multirate environment. The accuracy of the analytical results is verified by simulation with ns-2.