Analysis of burst acknowledgement mechanisms for IEEE 802.11e WLANs over fading wireless channels

Authors:
Jain-Shing Liu
Affiliations:
Department of Computer Science and Information Engineering, Providence University, Taichung Hsien, Taiwan
Venue:
WSEAS TRANSACTIONS on COMMUNICATIONS
Year:
2008

Citing 7
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Abstract

Transmission opportunity, or TXOP, is a channel control method introduced in the IEEE 802.11e wireless local area network (WLAN) standard. The control method includes some new operations developed for improving channel efficiency. In this paper, we propose an analytical model to evaluate these TXOP operations under fading channels. With this model, we calculate the maximum achievable throughput for the IEEE 802.11 DCF with RTS/CTS access mode. In addition, we quantify in the experiments how these operations can affect the system efficiency for different environments. The experiment results well confirm the theoretical model that provides new insights on design criterion for a WLAN in the real world.