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One of the fundamental challenges in Wireless Sensor Networks (WSNs) is the coverage problem that consists in observing continuously and effectively a geographical area. To solve this problem, several protocols use the sensor activity scheduling mechanism that consists on turning off redundant sensors while maintaining coverage by the remaining active nodes. In this paper, we propose an efficient...
The advances of wireless and sensing technologies have opened up new doors for wide application of sensor networks. To fully achieve the potentials of wireless sensor networks, however, a few challenging issues have to be solved. While a majority of the research has focused on energy preservation, little attention has been paid to the coverage preservation as a quality of services requirements. Another...
This paper studies the problem of distributed computation over a network of wireless sensors. While this problem applies to many emerging applications, to keep our discussion concrete, we will focus on sensor networks used for structural health monitoring. Within this context, the heaviest computation is to determine the singular value decomposition (SVD) to extract mode shapes (eigenvectors) of a...
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