Performance evaluation of IEEE 802.11 DCF networks

Authors:
Krzysztof Szczypiorski;Józef Lubacz
Affiliations:
Warsaw University of Technology, Institute of Telecommunications, Warsaw, Poland;Warsaw University of Technology, Institute of Telecommunications, Warsaw, Poland
Venue:
ITC20'07 Proceedings of the 20th international teletraffic conference on Managing traffic performance in converged networks
Year:
2007

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Abstract

The paper presents a new analytical saturation throughput model of IEEE 802.11 DCF (Distributed Coordination Function) with basic access in ad-hoc mode. The model takes into account freezing of the backoff timer when a station senses a busy channel. It is shown that taking into account this feature of DCF is important in modeling saturation throughput - yields more accurate results than models known from literature. The proposed analytical model also takes into account the effect of transmission errors.