Power-Efficient Simultaneous Wireless Information and Power Transfer (SWIPT) for Batteryless IoT Devices Using a Co-Designed Rectifying Metantenna

Lu, Ping, Luo, Linkai, Yang, Linjie, Wang, Ce, Zhang, Cheng, Song, Chaoyun, Huang, Kama and Huang, Yi ORCID: 0000-0001-7774-1024 (2025) Power-Efficient Simultaneous Wireless Information and Power Transfer (SWIPT) for Batteryless IoT Devices Using a Co-Designed Rectifying Metantenna IEEE JOURNAL OF MICROWAVES, 5 (1). pp. 34-47. ISSN 2692-8388, 2692-8388

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Abstract

A novel co-designing strategy is presented for an integrated rectifying metantenna, which combines rectification, absorption and electromagnetic signal reception functionalities for simultaneous wireless information and power transfer (SWIPT). The metasurface is constructed using periodic patch units arranged in front of a compact microstrip antenna. This arrangement effectively stimulates transverse electric (TE) and transverse magnetic (TM) surface waves, which ensures not only high gain but also optimal antenna matching. Furthermore, the metasurface incorporates rectifier diodes distributed partially, significantly enhancing energy conversion efficiency. The proposed rectifying metantenna operates at 5.8 GHz (an ISM band) and achieves a maximum energy conversion efficiency of 54.6% when subjected to an input power of 0 dBm. This accomplishment is particularly noteworthy when the metantenna is integrated into devices for data communication. The proposed rectifying metantenna boasts a range of merits including high integration and multifunctionality. These inherent attributes position it as a promising candidate for advanced IoT wireless communication systems, facilitating the generation of rectified DC power while receiving RF signals without the need for power splitter and time-switching used in conventional SWIPT systems.

Item Type:	Article
Uncontrolled Keywords:	Metasurfaces, Surface waves, Simultaneous wireless information and power transfer, Antennas, Resonant frequency, Internet of Things, Energy harvesting, Wireless communication, Surface impedance, Electromagnetics, Metantenna, rectifying metasurface, surface wave, simultaneous wireless information and power transfer (SWIPT)
Divisions:	Faculty of Science & Engineering Faculty of Science & Engineering > School of Electrical Engineering, Electronics and Computer Science
Depositing User:	Symplectic Admin
Date Deposited:	26 Feb 2025 15:42
Last Modified:	22 May 2026 14:58
DOI:	10.1109/JMW.2024.3494056
Related Websites:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3190490
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