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We consider the problem of deploying the least count of relay nodes to restore connectivity in a network that got partitioned into multiple disjoint segments. Such a problem has been generally formalized as a Steiner Minimum Tree (SMT) by assuming that each segment is a terminal, e.g., by picking a single node in a segment to serve as an interface point. We argue that such formulation is ineffective...
We consider networks where mobile sensor/actor nodes move to specific locations in order to conduct data collection or deliver a response to an event. The challenge is to find the best tour for the mobile nodes in order to visit the given set of locations. In this paper, the objective of the optimization is to extend the node lifetime by emphasizing both path efficiency and balanced energy consumption...
Wireless sensors and actors networks (WSANs) have the capacity for not only monitoring some phenomena through sensor nodes but also performing appropriate actions. Most of the contemporary WSAN management solutions focus on defining communication path among sensors and actors and on tasking appropriate actors to handle the detected events. In this paper we classify events based on how they evolve...
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