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After a massive scale failure, the assessment of damages to communication networks requires local interventions and remote monitoring. While previous works on network recovery require complete knowledge of damage extent, we address the problem of damage assessment and critical service restoration in a joint manner. We propose a polynomial algorithm called Centrality based Damage Assessment and Recovery...
Boolean network tomography is a powerful tool to infer the state (working/failed) of individual nodes from path-level measurements obtained by egde-nodes. We consider the problem of optimizing the capability of identifying network failures through the design of monitoring schemes. Finding an optimal solution is NP-hard and a large body of work has been devoted to heuristic approaches providing lower...
Wireless sensor networks (WSN) are set of thousands or more micro sensor nodes that one of the most important constraints of them is their limited energy. Since these nodes have very small dimensions, so their needed energy is provided by small and limited energy batteries. Therefore, the problem of energy reduction will be one of the biggest challenges in these networks. In this paper, we will propose...
In this paper, we propose a new routing algorithm which can increase the network lifetime. We assume that each node can estimate its residual energy and then a new clustering method will be proposed for increase of network lifetime. This assumption is similar to many other proposed routing algorithms for WSN and is a possible assumption. In the new method, the predefined number of nodes which have...
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