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Title A Comprehensive Review on High-efficiency RF-DC Converter for Energy Harvesting Applications
Authors (Muhammad Basim) ; (Qurat ul Ain) ; (Khuram Shehzad) ; (Syed Adil Ali Shah) ; (Azam Ali) ; (ByeongGi Jang) ; (YoungGun Pu) ; (Joon-Mo Yoo) ; (Kang Yoon Lee)
Page pp.304-325
ISSN 1598-1657
Keywords Radio frequency to direct current (RF-DC); energy harvesting (EH); power conversion efficiency (PCE); wireless sensors network (WSN)
Abstract The design of radiofrequency energy harvesting (RFRH) circuit for wearable devices, wireless sensor networks, and IoT applications can be classified mainly into radio frequency to direct current (RF-DC) converter, a transmitter and receiver antenna, an impedance matching network, and a storage device or a load. By scavenging RF energy from the ambient environment, this developing technology allows low-power wireless devices to be self-sustaining and environment friendly. To eliminate the need for batteries, RFEH technology has become a dependable and promising alternative for extending the lifetime of power-constrained wireless networks. This paper mainly focused on the input and output power, Power conversion efficiency (PCE), and sensitivity. Due to the weak and limited signal strength of received RF power, high-efficiency state-of-the-art RF energy harvesters must be designed to provide sufficient DC supply voltage to wireless networks. We provide in-depth information on the system's parameters. Optimum efficiency and maximum output power are the main concerns of an RFEH system. Therefore, RF Energy harvesting system review, antenna design, impedance matching, and RF-DC converter are presented in this paper to provide a deep insight into the design of the RFEH system. This article may help in identifying new research in the field of RF Energy Harvesting.