Harvesting Systems for RF Energy: Trends, Challenges, Techniques, and Tradeoffs


Muhammad, Surajo and Tiang, Jun Jiat and Wong, Sew Kin and Rambe, Ali H. and Adam, Ismahayati and Smida, Amor and Waly, Mohamed Ibrahim and Iqbal, Amjad and Abubakar, Adamu Saidu and Mohd Yasin, Mohd Najib (2022) Harvesting Systems for RF Energy: Trends, Challenges, Techniques, and Tradeoffs. Electronics (Switzerland), 11 (6). p. 959. ISSN 2079-9292

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The RFEH design challenges can be broadly classified into overall radio frequency direct current (RF-to-DC) power conversion efficiency (PCE), form factor, operational bandwidth (BW), and compactness. A detailed overview of the essential components of an RFEH system is presented in this paper. Various design approaches have been proposed for the realization of compact RFEH circuits that contribute immensely to mm-wave rectenna design. Effective mechanisms for configuring the rectenna modules based on the recommended spectrums for the RFEH system were also outlined. This study featured a conceptual viewpoint on design tradeoffs, which were accompanied by profound EH solutions perspectives for wireless power communications. The work covers some challenges attributed to 5G EH in mm-wave rectenna: from a controlled source of communication signals to distributed ambient EH and system level design. Conversely, the primary targets of this work are to: (I) examine a wide range of ambient RF sources and their performance with various antennae and RF-rectifier layouts; (II) propose unique rectenna design techniques suitable for current trends in wireless technology; (III) explore numerous approaches for enhancing the rectenna or RF-rectifier efficiency in a low-power ambient environment; and (IV) present the findings of a comprehensive review of the exemplary research that has been investigated. These are aimed toward addressing the autonomous system’s energy challenges. Therefore, with the careful management of the reported designs, the rectenna systems described in this study would influence the upcoming advancement of the low-power RFEH module.

Item Type: Article
Uncontrolled Keywords: RF energy harvesting (RFEH), impedance matching network (IMN), rectification unit, power conversion efficiency (PCE), rectenna, RF-rectifiers, source antennas
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 15 Nov 2022 01:06
Last Modified: 15 Nov 2022 01:06
URII: http://shdl.mmu.edu.my/id/eprint/10157


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