Mobility

MIDAS: Inference and Mitigation of Hindering Transmissions in Managed 802.11 Wireless Networks

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Executive Summary

In 802.11 managed wireless networks, the manager can address under-served links by rate-limiting the conflicting nodes. In order to determine to what extent each conflicting node is responsible for the poor performance, the manager needs to understand the coordination among conflicting nodes' transmissions. In this paper, the authors present a management framework called MIDAS (Management, Inference, and Diagnostics using Activity Share). They introduce the concept of Activity Share which characterizes the coordination among any set of network nodes in terms of the time they spend transmitting simultaneously. Unfortunately, the Activity Share cannot be locally measured by the nodes.

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