Energy Conservation for Wireless Sensor Networks Using Solar Rechargeable Power Source

Wireless Sensor Network (WSN) has become an important technology that enhances our normal daily life. This research focuses on one of the most important concepts in WSN technologies; the power conservation methods. The main objective of this research is improving the power conservation of a sensor node by dynamically adjusting recharging cycle of the solar-fed batteries based on the geographical areas and radiation levels of the areas and consequently prolonging the battery lifetime. The simulation results show that the proposed scheme improves the battery lifetime within the same geographical area from 0.69 year to 1.39 year; as well as across different areas from 0.69 year to 2.78 year.

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