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Study of Efficient Energy Management for Ubiquitous Sensor Networks with Optimization of the RF power  

Eom, Heung-Sik (Department of Electronics Engineering, Dongguk University)
Kim, Keon-Wook (Department of Electronics Engineering, Dongguk University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.44, no.3, 2007 , pp. 37-42 More about this Journal
Abstract
This paper reconsiders established power conservation models for ubiquitous sensor networks that use relay nodes instead of direct communication and proposes novel network power consumption model with consideration of the channel level and radio chip level simultaneously. We estimate the effect of minimum hop-count policy in terms of network power consumption through simulation of various situations for low power RF module CC2420. It is observed that maximum RF power and minimum hop-count results in lower energy consumption relatively. Also, in total network energy consumption, which is included re-transmission, minimum hop count policy presents decrease by 33.1% of energy consumption in compare with the conventional model.
Keywords
Multi-hop network; Network energy efficiency; Minimum hop-count policy; RF power; Re-transmission;
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