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Sink Placement Without Location Information in Large-scale Wireless Sensor Networks by Wint Yi Poe; Jens B. Schmitt is a scholarly article available to read on EtoBox.

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Wireless Sensor Networks (WSN) comprise a large number of sensor nodes that possess scarce energy supplies. To minimize energy consumption and to consequently extend the lifetime of WSNs, we propose a local search technique for sink placement in WSNs. In addition, a proper sink placement plays a vital role in performance-sensitive WSN applications. Since it is not feasible for a sink to use global information, especially for large-scale WSNs, we introduce a self-organized sink placement (SOSP) strategy that combines the advantages of our previous works [7] and [8]. Besides, this paper is a substantial extension of [9]. The goal of this research is to provide a better sink placement strategy with a lower communication overhead. Avoiding the costly design of using the nodes' location information, each sink sets up its own group by communicating to its n-hop distance neighbors. While keeping the locally optimal placement, SOSP exhibits a better solution quality with respect to communication overhead and computational effort than previous solutions. To analyze performance issues, especially the worst-case delay of a given WSN, we use a methodology called sensor network calculus [10].

Author

Wint Yi Poe; Jens B. Schmitt

Publisher

ACM Press

Published

2009

Language

EN