Mobility

Tag Spotting: Communicating Beyond Carrier Sense

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Executive Summary

A fundamental difference between wireless and wired networks is the presence of interference among wireless links, which introduces dependencies among flows that do not share a link or node. As a result, when designing a resource allocation scheme, be it a medium access scheduler or a flow rate controller, one needs to consider the interdependence among nodes within carrier sense of each other. In other words, the control plane information needs to reach nearby nodes which often lie outside the communication range, but within the carrier sense range of a node of interest.

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