Design Consideration of Bidirectional Wireless Power Transfer and Full-Duplex Communication System via a Shared Inductive Channel

Jie Wu, Weihao Kong, Pengfei Gao, Nan Jin, Jitao Zhang, Jiagui Tao and Václav Snášel
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Jie Wu: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Weihao Kong: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Pengfei Gao: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Nan Jin: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Jitao Zhang: School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Jiagui Tao: State Grid of Jiangsu Electric Power Co., Ltd., Nanjing 210024, China
Václav Snášel: Faculty of Electrical Engineering and Computer Science, VŠB-Technical University of Ostrava, 70032 Poruba-Ostrava, Czech Republic

Energies, 2021, vol. 14, issue 16, 1-18

Abstract: Communication between the primary and secondary sides is pivotal to the wireless power transfer (WPT) system. The system control commands and feedback information need simultaneous wireless information and power transfer (SWIPT). In this paper, a FSK-based SWIPT system with full-duplex communication via a shared channel is provided. Considering the complexity of the coupling relationship in this kind of full-duplex SWIPT system, this paper proposes an analysis method based on the transmission channel, studies the crosstalk between the power channel and the information channel, and between the forward and reverse transfer of information. A design method of full-duplex communication SWIPT system based on shared coupling channels is provided. A 60 W SWIPT prototype with a full-duplex communication rate of 20 kbps is built to verify the proposed method.

Keywords: bidirectional power transmission; crosstalk; FSK; full-duplex information transfer; information transfer channel gain; SWIPT (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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