Please use this identifier to cite or link to this item: http://repository.vnu.edu.vn/handle/VNU_123/32531
Title: Base Station Location -Aware Optimization Model of the Lifetime of Wireless Sensor Networks
Authors: Tung, N.T.
Thanh Binh, H.T.
Keywords: Base station location;Non-linear programming;Routing;Wireless sensor network
Issue Date: 2016
Publisher: Springer New York LLC
Citation: Scopus
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.
Description: Mobile Networks and Applications Volume 21, Issue 1, 1 February 2016, Pages 10-17
URI: http://link.springer.com/article/10.1007%2Fs11036-015-0614-3
http://repository.vnu.edu.vn/handle/VNU_123/32531
ISSN: 1383469X
Appears in Collections:Bài báo của ĐHQGHN trong Scopus

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