Mobile Networks and Applications

, Volume 21, Issue 1, pp 10–17 | Cite as

Base Station Location -Aware Optimization Model of the Lifetime of Wireless Sensor Networks

Article

Abstract

Recently, wireless sensor networks (WSNs) have been progressively applied in various fields and areas. However, its limited energy resources is indisputably one of the weakest point that strongly affects the network’s lifetime. A WSN consists of a sensor node set and a base station. The initial energy of each sensor node will be depleted continuously during data transmission to the base station either directly or through intermediate nodes, depending on the distance between sending and receiving nodes. This paper consider determining an optimal base station location such that the energy consumption is kept lowest, maximizing the network’s lifetime and propose a nonlinear programming model for this optimizing problem. Our proposed method for solving this problem is to combine methods mentioned in [1] respectively named the centroid, the smallest total distances, the smallest total squared distances and two greedy methods. Then an improved greedy method using a LP tool provided in Gusek library is presented. Finally, all of the above methods are compared with the optimized solution over 30 randomly created data sets. The experimental results show that a relevant location for the base station is essential.

Keywords

Base station location Wireless sensor network Routing Non-linear programming 

Notes

Acknowledgments

I would like to thank Vietnam National University, Hanoi to sponsor in the project QG.14.57

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.International SchoolVietnam National UniversityHanoiVietnam
  2. 2.Hanoi University of Science and TechnologyHanoiVietnam

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