NDLI: Lifetime aware deployment of k base stations in WSNs

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Lifetime aware deployment of k base stations in WSNs

Content Provider	ACM Digital Library
Author	Mahmud, Sabbir Wu, Hui
Abstract	In WSNs (wireless sensor networks), sensor nodes are typically battery powered. The number of base stations and their locations have significant impacts on the lifetime of a WSN. We study two multiple base station deployment problems. The first problem is to deploy k static base stations in a WSN such that the lifetime of the WSN is maximised. The second problem is to deploy k mobile base stations in a WSN such that the lifetime of the WSN is maximised. We propose a unified heuristic for both problems. In the special case of one static base station, we propose an optimal, polynomial time algorithm. In the special case of one mobile base station, we present an efficient heuristic. We have simulated our optimal algorithm, our heuristics, and the MinDiff-RE heuristic proposed by Azad and Chockalingam. The simulation results show that our heuristic for a single mobile base station prolongs the lifetime of a WSN by 253% on average compared to our optimal algorithm for a single static base station, and our heuristic for multiple mobile base stations performs 40% better than the MinDiff-RE heuristic on average.
Starting Page	89
Ending Page	98
Page Count	10
File Format	PDF
ISBN	9781450316286
DOI	10.1145/2387238.2387256
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-10-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Wireless communication Base station deployment Wireless sensor networks Network lifetime
Content Type	Text
Resource Type	Article

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