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Published in:
2016 | OriginalPaper | Chapter
Exploiting Common Nodes in Overlapped Clusters for Path Optimization in Wireless Sensor Networks
Authors : Devendra Rao BV, D. Vasumathi, Satyanarayana V. Nandury
Published in: Proceedings of the Second International Conference on Computer and Communication Technologies
Publisher: Springer India
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Abstract
For operational efficiency, most WSNs employ clustering approach where the cluster head is responsible for finding the shortest path to the sink for all of its cluster nodes. While clustering, it is a common observation that the clusters often tend to overlap, and hence nodes in the overlap region are capable of communicating directly with neighboring nodes within one hop distance. However, traditionally the nodes belonging to one cluster are prohibited from making overtures with other nodes outside its cluster. A common node exploitation (CNE) approach is proposed that deviates from this traditional approach and paves a methodology to exploit the proximity of the common nodes to the other nodes. Two algorithms are developed based on CNE approach for location aware, randomly deployed WSNs to find alternate, shorter, and optimized path to the sink. Simulations performed have shown that the CNE approach outperforms traditional approaches.