Mobility

Evaluation of Multi-Carrier Burst Contention and IEEE 802.11 With Fading During Channel Sensing

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Executive Summary

With the prevalence of wireless capability in mobile devices and the increasing number of wireless network deployments where protocols using carrier sensing (such as IEEE 802.11) are employed, it is important to understand the impact of fading during the channel sensing period and its direct effects on performance in realistic environments. In this paper, the authors evaluate the performance of IEEE 802.11 and that of their proposed cross-layer Multi-Carrier Burst Contention (MCBC) protocol, which they have implemented in hardware, in realistic indoor fading environments with no direct line of sight.

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