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In WSN, addressing is not only an identification parameter. It is also a way to reduce energy costs generated by overhearing and idle listening. This paper proposes an approach to wake up one node or a group of nodes in the radio-trigger mechanism in WSN. Our method is to transmit through 2 pulses an information enabling communication without the necessity of turning on network nodes main radio. The...
A new technique for the stabilization of local oscillators by the way of frequency synthesis is presented. A combination of both a PLL and a DLL in a novel frequency synthesizer architecture overcomes the drawback of PLL stability, while avoiding the classical DLL out-of-band spurious. Therefore, the Mixed P/DLL synthesizer can exhibit very wideband and, consequently, can dramatically reduce the local...
This paper mainly focuses on model of photovoltaic cell for energy harvesting application (EHV). This model is developed using the standard simulation software LTspice to explore the effect of electrical and physical parameters on Current-Voltage (I-V) and Power-Voltage (P-V) characteristics of photovoltaic cell (PV). The proposed model is based on mathematical equations and is described through an...
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