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Journal of Sensors - Volume 2016 2016, Article ID 4248230, 12 pages -

Research ArticleGroup of Electronic Design GDE-I3A, University of Zaragoza, 50009 Zaragoza, Spain

Received 7 September 2015; Revised 19 January 2016; Accepted 21 January 2016

Academic Editor: Fanli Meng

Copyright © 2016 Diego Antolín et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The use of wireless sensor networks WSN for monitoring physical and chemical variables in large areas allows density and frequency measurements which have been unavailable to date in classical measurement systems. To fully take advantage of this technology in a particular application, besides an accurate design and selection of all the components involved in its operation, it is essential to dispose of reliable lifetime estimation prior to deployment. This paper presents an experimental approach to determine the actual lifetime of such battery-operated systems, making use of a custom WSN architecture, and for different batteries technologies. To render a reliable evaluation, the energy consumption of the sensor nodes under their different operation modes, in correlation with the battery characteristics and the voltage regulation system, is jointly considered. The result is a complete and practical lifetime model, whose appropriate performance has been validated in a real deployment scenario.





Autor: Diego Antolín, Nicolás Medrano, and Belén Calvo

Fuente: https://www.hindawi.com/



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