Evaluating Adjacent Channel Interference in IEEE 802.11 Networks

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Executive Summary

The performance of 802.11-based multi-channel wireless mesh networks is affected by the interference due to neighboring nodes operating on same or adjacent channels. In this paper, the authors have performed extensive measurements on the conducted testbed to evaluate the effects of Adjacent Channel Interference (ACI) in 802.11 networks, under the exposed terminal and hidden terminal scenarios. By varying the path loss and the channel separation distance between two nodes, they investigate the effective attenuation needed in order to completely eliminate the ACI between the two nodes.

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