4.7 Article

A Highly Integrated Multipolarization Wideband Rectenna for Simultaneous Wireless Information and Power Transfer (SWIPT)

Journal

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 71, Issue 10, Pages 7980-7991

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2023.3306182

Keywords

Information and power distribution; multi-polarization; rectenna; rectifiers; simultaneous wireless information and power transfer (SWIPT)

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Simultaneous wireless information and power transfer (SWIPT) is a game changer for wireless sensing networks (WSNs) and industrial Internet of Things (IoT). A multi-polarization wideband rectenna design is proposed to improve the operational stability and robustness of the receiver in diverse environments.
Simultaneous wireless information and power transfer (SWIPT) presents a paradigm shift in future wireless sensing networks (WSNs) and industrial Internet of Things (IoT).A robust receiver capable of effectively capturing random signals from diverse environments is of utmost importance. To address this, we propose a multi-polarization wideband rectenna design, which integrates a novel symmetrical five-port hybrid-ring coupler and highly efficient Class-F rectifier in a compact manner. Due to the high symmetry between the ring coupler and the antenna, the impedance bandwidth (IBW) (S11<-10 dB) and the axial ratio bandwidth (ARBW) (AR<3 dB) of the rectenna is highly coincident for different polarization methods, there by effectively improving the operational stability and robustness of the multi-polarization rectenna. Our design has demonstrated over 46.3% operational bandwidth (4.12-6.6 GHz) and over 10%circular polarization (CP) bandwidth. The wireless power receiving port has more than 55.6% (up to 76.5%) conversion efficiency over a power dynamic range of 0-10 dBm, while the optimal power routing of different ports can be obtained via the adjustment of the five-port coupler. Our wideband receiver excels in robust signal reception of arbitrary polarization waves, making it suitable for a range of real-world application scenarios in WSN and industrial IoT. It enables optimal power routing and efficient wireless powering, enhancing the overall performance of future WSNs and IoT applications.

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