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Battery Lifetime Estimation Considering Various Power Profiles in Wireless Sensor Node  

Kim, Hyun (Department of Radio Science and Engineering, Kwangwoon University)
Kim, Chang-Soon (Radio Tek Inc.)
Shin, Hyun-Chol (Department of Radio Science and Engineering, Kwangwoon University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.46, no.12, 2009 , pp. 43-49 More about this Journal
Abstract
We present an efficient estimation method of the battery lifetime considering various power consumption profiles in wireless sensor nodes. The power profiles in single and periodic modes and the current dissipations in different operating modes are taken into account to find the total current consumption. Also, the self-discharge rate of a battery is taken into account to estimate the battery lifetime of a given sensor node. Finally we present a governing equation for finding the battery lifetime. We believe the proposed estimation method of the battery lifetime can be an efficient and effective method for low power design of sensor nodes.
Keywords
Battery Lifetime; Sensor Node; Wireless Sensor Network;
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