Polynomial Approximation of the Battery Discharge Function in IEEE 802.15.4 Nodes: Case Study of MicaZ

  • Odilson T. Valle
  • A. Milack
  • C. Montez
  • Paulo Portugal
  • Francisco Vasques
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 206)

Abstract

An important feature for the design of algorithms for Wireless Sensor Networks is the estimation of its lifetime. To design communication protocols and data collection algorithms with low power consumption, a key factor is the ability to measure the actual consumption in the sensor node. This ability enables the verification of theoretical/simulated models, allowing an accurate estimation of the network longevity. This paper proposes a system for measuring the energy consumption levels of sensor nodes in normal operation, allowing the estimation of the real lifetime for each node, enabling the optimization of energy aware protocols. Presented data is related to the energy consumption of a MicaZ node and to the behavior of the full discharge of a battery pack. A set of polynomial functions describing this energy discharge are also presented that can be easily inserted into the battery models of network simulators to obtain a more realistic behavior.

Keywords

Wireless Sensor Networks Energy Measurement IEEE 802.15.4 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Odilson T. Valle
    • 1
    • 2
  • A. Milack
    • 2
  • C. Montez
    • 2
    • 4
  • Paulo Portugal
    • 3
  • Francisco Vasques
    • 4
  1. 1.IFSC, Federal Institute of Santa CatarinaFlorianópolisBrazil
  2. 2.Department of Control and AutomationUFSC, Federal University of Santa CatarinaFlorianópolisBrazil
  3. 3.ISRUniversity of PortoPortoPortugal
  4. 4.IDMEC, FEUPUniversity of PortoPortoPortugal

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