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Distributed event detection using wireless sensor networks has received growing interest in recent years. In such applications, a large number of inexpensive and unreliable sensor nodes are distributed in a geographical region to make firm and accurate local decisions about the presence or absence of specific events based on their sensor readings. However, sensor readings can be unreliable, due to...
The objective of reconfiguration in sensor networks is to maximize the overall network lifetime while maintaining a minimum quality of service. This is performed by turning some of the nodes off whenever they are not needed to maintain the required quality of service. This requires a way of detecting node failures to reconfigure accordingly. The reconfiguration problem can be formulated as an integer...
A sensor network consists of a set of battery-powered nodes, which collaborate to perform sensing tasks in a given environment. It may contain one or more base stations to collect sensed data and possibly relay it to a central processing and storage system. These networks are characterized by scarcity of resources, in particular the available energy. We present a distributed algorithm to solve the...
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