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Energy effciency modeling and analysis in wireless sensor networks
Conference paper

Energy effciency modeling and analysis in wireless sensor networks

Jang-Ping Sheu, Prasan Kumar Sahoo, Yun-Ju Chen and Yu-Chia Chang
Proceedings of the 1st IEEE International Conference on Wireless Broadband and Ultra Wideband Communications, AusWireless 2006, pp.181-186
2006

Abstract

We propose here an extended linear feedback model, taking the binary exponential backo® mechanism adopted in IEEE 802.15.4 CSMA/CA and analyze the energy consumption issues of the one hop sensor nodes. Numerical results show that the energy consumption in Wireless Sensor Networks (WSNs) can be reduced by applying CSMA protocol with fixed contention window size. Besides, an optimal contention window size can achieve the reasonable successful probability of the packet transmission without extra wastage of the battery power.

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