Performance Analysis of WLAN Based on IEEE 802.11a

doi:10.13190/jbupt.201006.43.gaof

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2010, Vol. 33 ›› Issue (6): 43-47.doi: 10.13190/jbupt.201006.43.gaof

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Performance Analysis of WLAN Based on IEEE 802.11a

Received:2010-01-28 Revised:2010-03-23 Online:2010-12-28 Published:2011-01-07
Contact: Feng GAO E-mail:gfbupt@sina.com

Abstract

Abstract:

To improve the accuracy of evaluation on IEEE 802.11a data service supporting capacity and guide network planning work, a modified twodimensional Markov chain model of the backoff window scheme is proposed. By analyzing the IEEE 802.11a wireless local area network (WLAN) system performance in the aspect of framing efficiency and distributed coordination function (DCF) efficiency, the normalized system throughput and average packet delay under the condition of saturation are found. On the basis of that, the handoff thresholds for basic access mode and request to send/clear to send (RTS/CTS) mode for diverse number of nodes are given, thus the system performance is optimized.

Key words: IEEE 802.11a, distributed coordination function, Markov, request to send/clear to send threshold

CLC Number:

TN925.93

References

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Performance Analysis of WLAN Based on IEEE 802.11a

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