Non-saturated Throughput Analysis of IEEE 802.11 Ad Hoc Networks

Authors:
Changchun Xu;Zongkai Yang
Affiliations:
The authors are with the Department of Electronics and Information, Huazhong University of Science and Technology, P.R. China. E-mail: xuchangchun@263.net,;The authors are with the Department of Electronics and Information, Huazhong University of Science and Technology, P.R. China. E-mail: xuchangchun@263.net,
Venue:
IEICE - Transactions on Information and Systems
Year:
2006

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Abstract

This letter presents a simple but accurate analytical model to evaluate the throughput of IEEE 802.11 distributed coordination function in non-saturated conditions. The influence of offered load on the throughput of both basic and RTS/CTS access mechanisms are analyzed and compared. It's shown that basic access scheme can achieve the same maximal throughput as that of RTS/CTS mechanism in non-saturated conditions while the latter is robust to the number of contending stations compared to basic mechanism. The analytical results are validated by extensive simulations.