Outage Optimal Node Placement in Ultra-Wideband Sensor Networks

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Executive Summary

Ultra-WideBand (UWB) wireless technology provides a suitable platform for a variety of sensing applications, since it possesses many useful and unique properties, such as large available bandwidth, low power consumption, precise ranging capability, high signal penetration of UWB signals, etc. However, UWB also introduces new design challenges with regards to Medium Access Control (MAC) in sensor networks, especially if the original benefits of UWB ought to be retained. In this paper, the authors consider UWB sensor networks with random MAC which does not require overhead for collision avoidance. They first show that in such a scenario node placement can play a critical role to the performance of the UWB sensor network.

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