An Energy-Based Stochastic Model for Wireless Sensor Networks

DOI: 10.4236/wsn.2011.39035   PDF   HTML     5,780 Downloads   10,193 Views   Citations


We propose an energy-based stochastic model of wireless sensor networks (WSNs) where each sensor node is randomly and alternatively in an active and a sleep mode. We first investigate the sensor model and derive the formula of the steady-state probability when there are a number of data packets in different sensor modes. We then determine important sensor’s performance measures in terms of energy consumptions, average data delay and throughput. The novelty of this paper is in its development of a stochastic model in WSN with active/sleep feature and the explicit results obtained for above mentioned energy consumption and performance characteristics. These results are expected to be useful as the fundamental results in the theoretical analysis and design of various hybrid WSNs with power mode consideration.

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Y. Zhang and W. Li, "An Energy-Based Stochastic Model for Wireless Sensor Networks," Wireless Sensor Network, Vol. 3 No. 9, 2011, pp. 322-328. doi: 10.4236/wsn.2011.39035.

Conflicts of Interest

The authors declare no conflicts of interest.


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