ITM Web Conf.
Volume 52, 2023International Conference on Connected Object and Artificial Intelligence (COCIA’2023)
|Number of page(s)||7|
|Published online||08 May 2023|
5.8 GHz Rectenna for wireless powering battery-less sensors
Laboratory RITM/ESTC, Hassan II University, Casablanca, Morocco
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—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.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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