Run to Potential: Sweep Coverage in Wireless Sensor Networks

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Executive Summary

Wireless sensor networks have become a promising technology in monitoring physical world. In many applications with wireless sensor networks, it is essential to understand how well an interested area is monitored (covered) by sensors. The traditional way of evaluating sensor coverage requires that every point in the field should be monitored and the sensor network should be connected to transmit messages to a processing center (sink). Such a requirement is too strong to be financially practical in many scenarios. In this paper, the authors address another type of coverage problem, sweep coverage, when they utilize mobile nodes as supplementary in a sparse and probably disconnected sensor network.

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