International Journal of Computer Theory and Engineering

Editor-In-Chief: Prof. Mehmet Sahinoglu
Frequency: Quarterly
ISSN: 1793-8201 (Print), 2972-4511 (Online)
Publisher:IACSIT Press
OPEN ACCESS
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IJCTE 2011 Vol.3(5): 656-661 ISSN: 1793-8201
DOI: 10.7763/IJCTE.2011.V3.387

Modelling and Empirical Analysis of IEEE 802.11b Distributed Coordination Function (DCF) In a Multi-Rate Wireless LAN

Idigo V. E., Oguejiofor O. S., Azubogu A. C. O., Alumona T. L., and Ifeagwu E. N.

Abstract—This paper presents an 802.11b Distributed coordinated function (DCF) approach that specifically concentrates on the multi-rate WLAN. In this approach we assume a saturated condition where every node in the network have a packet to transmit at any time and also a clear channel condition in which there is no hidden terminal in the network. This saturation throughput and delay are used to analyze the DCF. This work shows that in a slowly changing channel a smaller Sm and larger Fm for the ARF protocols needs to be set and used for better network performance.

Index Terms—IEEE 802.11b, DCF, multi-rate WLAN, CSMA/CA, ARF

The Author is with the Department of Electronics and Computer Engineering, Nnamdi Azikiwe University Awka, Anambra State, Nigeria (E-mail: vicugoo@yahoo.com ,obynola@yahoo.com, austinazu@yahoo.com, hontheo@yahoo.com)

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Cite: Idigo V. E., Oguejiofor O. S., Azubogu A. C. O., Alumona T. L., and Ifeagwu E. N., "Modelling and Empirical Analysis of IEEE 802.11b Distributed Coordination Function (DCF) In a Multi-Rate Wireless LAN," International Journal of Computer Theory and Engineering vol. 3, no. 5, pp. 656-661, 2011.

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