Admission control for VoIP and data traffic in IEEE 802.11 WLANs

Authors:
P. Chatzimisios;P. Raptis;V. Vitsas;D. Amanatiadis;K. Paparrizos
Affiliations:
Technological Educational Institution, Thessaloniki, Greece;Technological Educational Institution, Thessaloniki, Greece;Technological Educational Institution, Thessaloniki, Greece;Technological Educational Institution, Thessaloniki, Greece;University of Macedonia, Thessaloniki, Greece
Venue:
Proceedings of the 3rd International Conference on Performance Evaluation Methodologies and Tools
Year:
2008

Citing 4
Cited 0

IEEE 802.11 wireless LANs: performance analysis and protocol refinement

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Achieving performance enhancement in IEEE 802.11 WLANs by using the DIDD backoff mechanism: Research Articles

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End-to-end delay analysis and admission control in 802.11 DCF WLANs

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Performance analysis of the IEEE 802.11 distributed coordination function

IEEE Journal on Selected Areas in Communications

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Abstract

This paper presents an novel analytical model for calculation of throughput of the IEEE 802.11 Distributed Coordination Function (DCF) under variable packet length assuming ideal channel conditions. The proposed model considers basic access scheme but can be easily applied to RTS/CTS reservation scheme. Moreover, we use this model to present a simple algorithm to compute the voice capacity of an IEEE 802.11b WLAN and propose a simple admission control algorithm in order to maintain voice quality in a WLAN. Comparison of analytical results produced utilizing our proposed scheme against other admission control algorithms found in the literature shows that our model is fairly accurate.