Minimum-Energy Connected Coverage in Wireless Sensor Networks With Omni-Directional and Directional Features

Provided by: Association for Computing Machinery
Topic: Mobility
Format: PDF
Wireless Sensor Networks (WSNs) have acquired new features recently, i.e., both the sensor and the antenna of a node can be directional. This brings new challenges to the Connected Coverage (CoCo) problem, where a finite set of targets needs to be monitored by some active sensor nodes, and the connectivity of these active nodes with the sink must be retained at the same time. In this paper, the authors study the Minimum-energy Connected Coverage (MeCoCo) problem in WSNs with Omni-directional (O) and Directional (D) features, aiming at minimizing the total energy cost of both sensing and connectivity.

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