Dynamic Power Management Model for a Wireless Sensor Node

  • Rakhee Kallimani Department of Electronics and Communication Engineering, SG Balekundri Institute of Technology, Karnataka, India
  • Sridhar Iyer Department of Electronics and Communication Engineering, SG Balekundri Institute of Technology, Karnataka, India
Keywords: dynamic power management, wireless sensor node, semi-Markov model


Dynamic power management (DPM) is an efficient technique to design low-power and energy-efficient nodes for wireless sensor networks. This article demonstrates the stochastic behaviour of an input event arrival which is modelled with first-in first-out (FIFO) queue and a single server. An event-driven sensor node is developed based on semi-Markov model. The article investigates the factors affecting the performance of the individual sensor node with detailed analysis considering power consumption and lifetime to be the performance metrics under study. The results demonstrate the impact of the change in event arrival and the probability of change detection on the performance of the node. It is observed that (i) the number of generated events increases with the change in the average value of the distribution which affects the service time in turn resulting in a variation of the server utilization, and that (ii) the increase in the detection probability increases the power consumption decreasing the lifetime of the node.


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How to Cite
Kallimani, R., & Iyer, S. (2021). Dynamic Power Management Model for a Wireless Sensor Node. Proceedings of Engineering and Technology Innovation. https://doi.org/10.46604/peti.2021.8455