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Mitigating collisions through power-hopping to improve 802.11 performance
2014
Pervasive and Mobile Computing
In this article, we introduce a power-hopping technique (PH-MAC) that, by alternating between different transmission power levels, aims to deliberately cause packet capture and thereby reduce the impact of collisions in 802.11 WLANs. We first devise an analytical model of the 802.11 protocol with heterogeneous capture probabilities, and show that, depending on the network load, the capture effect can enhance the throughput performance of all nodes. We base the design of PH-MAC on the findings
doi:10.1016/j.pmcj.2013.03.005
fatcat:5f5ekvdg2nb3joyqsxo34krit4