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Tuesday 20 July 2010

This article is about sending SMS using .NET through web service. With the help of this article, we can easily understand how to use web services in .

Sensor networks are commonly used for security and surveillance applications. As sensor nodes have limited battery power, computing, and storage resources, the energy efficient security techniques are needed.

We provide a new heuristic approach to search for balanced and small weight routing spanning trees in a network. The approach is a modification of Kruskal’s minimum spanning tree (MST) search algorithm and is based on a distributed search by hierarchical clusters. It provides spanning trees with a lower maximum degree, a bigger diameter and can be used for balanced energy consumption routing in wireless sensor networks (WSNs). The approach can be implemented in parallel as well as a simple locally distributed algorithm.

Simulations of a realistic scenario WSN are done based on the transmission energy matrix. The simulation results show that the proposed approach can extend the functional lifetime of a WSN in 3-4 times in terms of sensor transmission energy. Possible preliminary clustering of the input network is considered as well.

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