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Cross-layer Throughput Analysis with Capture Effect in Wireless Local Area Networks

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4 Author(s)
Xiaohu Ge ; Dept. Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol., Wuhan ; Yang Yang ; Hsiao-Hwa Chen ; Yaoting Zhu

In this paper the impact of capture effect on the IEEE 802.11 networks has been investigated. In order to have insight into capture effect in the MAC mechanism, a new Markov chain model with capture effect has been built for describing the backoff scheme in the IEEE 802.11 networks. Based on the new iterative algorithm used for calculating the transmission probability, a new throughput model considering the impact of capture effect on the back-off scheme has been proposed. The numerical simulation results show that the capture effect has more impact on the basic access mechanism than that on the RTS/CTS access mechanism.

Published in:

2007 IEEE Wireless Communications and Networking Conference

Date of Conference:

11-15 March 2007