Abstract
—This work aims to develop an electromagnetic energy rectification system, or rectenna, which constitutes the main element of a wireless energy transmission. The goal of our research is to use electromagnetic waves to power remote sensors that are part of the internet of things. In order for these sensors to function properly, their batteries must be recharged when low. In this study, we have developed a rectification system sensitive to the frequency of 5.8 GHz. To realize this system, we have focused on the various parameters that affect the RF-DC conversion efficiency of a rectifier circuit. Then, we presented the design theory of a rectifier system in microstrip technology. We then optimized and validated our system for an input power of about 20 dBm. The proposed system has an energy efficiency of 42.56and can supply a load at 200 ohms with an output conversion voltage of 2.918 volts for this low-consumption systems.
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