High-performance multiband ambient RF energy harvesting front-end system for sustainable IoT applications-A review
Document Type
Article
Publication Date
1-1-2023
Abstract
The increasing demand for wireless Internet of Things (IoT) calls for power efficient RF energy harvesting approach. The current dominant single-band RF energy harvesting front-end system restricts itself to a single frequency, which is at the risk of ineffective operation when the harvesting frequency is unavailable. This paper reviews and explores the alternative approach of a multiband RF energy-harvesting front-end system. It covers all essential circuitry of a multiband RF energy-harvesting front-end system, starting from the recent RF surveys which investigate the typical, usable, and high-strength RF input, to the overview of the state-of-the-art antenna, impedance matching network (IMN), and RF-DC rectifier. The recent advancement of the multiple RF input harvesting abilities, reflection loss minimization, and performance improvement are comprehensively reviewed for different operating conditions, and this review also presents the advantages and disadvantages of the different circuit architecture combinations for multiband RF energy harvesting front-end systems. In summary, this review aims to fill the research gap in the further advancement of multiband RF energy harvesting towards enhancing its performance through optimal circuit integration of the front-end system.
Keywords
Radio frequency, Receiving antennas, Energy harvesting, Density measurement, Rectifiers, Power system measurements, Wireless communication, CMOS, Power conversion efficiency (PCE), Multiband RF energy harvesting, RF power transmission
Divisions
sch_ecs
Funders
Research University (RU) Grant through the Faculty Program (Grant No: GPF056B-2020),Science and Technology Development Fund, Macau, SAR (Grant No: MG012-2022, FDCT 0036/2020/AGJ & SKL-AMSV(UM)-2020-2022
Publication Title
IEEE Access
Volume
11
Publisher
Institute of Electrical and Electronics Engineers
Publisher Location
445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA