Dynamic power management with scheduled switching modes in wireless sensor networks

P. S. Sausen, J. R.B. Sousa, M. A. Spohn, A. Perkusich, A. M.N. Lima

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

15 Scopus citations

Abstract

A wireless sensor network (WSN) comprises many sensor nodes each one containing a processing unit, one or more sensors, a power unit, and a radio for data communication. Nodes are power constrained, because they run on batteries, that in many cases cannot be easily replaced. This paper presents a novel dynamic power management technique, named Dynamic Power Management with Scheduled Switching Modes (DPM-SSM), derived from a more realistic analysis of the battery capacity recovery effect and the switching energy. This was only possible thanks to the application of a more realistic battery model (i.e., Rakhmatov-Vrudhula battery model). Preliminary results showed the potential for improving the battery lifetime by taking advantage of the battery recovery effect when a node transitions to a sleeping state, and mostly when transitions are scheduled after packet transmissions. DPM-SSM provides several DPM modes which are triggered depending on the battery remaining capacity. Simulations results show that DPM-SSM can provide real battery power recovery without compromising the timeliness of the applications running on the wireless sensor network.

Original languageEnglish
Title of host publicationProceedings of MASCOTS'07 15th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems
Pages1-8
Number of pages8
DOIs
StatePublished - 2007
Externally publishedYes
Event15th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems, MASCOTS'07 - Istanbul, Turkey
Duration: 24 Oct 200726 Oct 2007

Publication series

NameIEEE International Workshop on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems - Proceedings

Conference

Conference15th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems, MASCOTS'07
Country/TerritoryTurkey
CityIstanbul
Period24/10/0726/10/07

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