Simultaneous wireless power and data transfer based on 4FSK modulation using the four splitting frequencies of series–parallel combined resonant circuit-based system

In this paper, a new simultaneous wireless power and data transfer method is proposed based on 4FSK modulation using the four splitting frequencies of series–parallel combined resonant circuit (SPRC) based WPT system. Features of SPRC-based WPT systems, including two resonance frequencies, circuit q...

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Bibliographic Details
Published in:Electrical engineering 2023-04, Vol.105 (2), p.1307-1315
Main Authors: Jin-Guk, Kim, Kwang-Bok, Son, Chol-Uk, Song, Man-Ho, Kim
Format: Article
Language:English
Subjects:
Carrier frequencies
Circuits
Data transfer (computers)
Economics and Management
Electrical Engineering
Electrical Machines and Networks
Energy Policy
Engineering
Modulation
Original Paper
Power Electronics
Power transfer
Prototypes
Q factors
Splitting
Topology
Citations: Items that this one cites
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Summary:In this paper, a new simultaneous wireless power and data transfer method is proposed based on 4FSK modulation using the four splitting frequencies of series–parallel combined resonant circuit (SPRC) based WPT system. Features of SPRC-based WPT systems, including two resonance frequencies, circuit quality factors, system topologies, system quality factors and four splitting frequencies, are investigated. Based on that an optimum condition of the system to have similar quality factors at the four splitting frequencies is derived and a 4FSK modulation-based simultaneous wireless power and data transfer system is designed. An experimental prototype of the proposed system is constructed and the simultaneous transfer feasibility of power and data based on 4FSK modulation is validated. The prototype shows stable power transfer and up to 4kbps data rate in the distance of 20 cm, where the carrier frequency hops between four splitting frequencies spreaded in 40 to 62 kHz range.
ISSN:0948-7921
1432-0487
DOI:10.1007/s00202-023-01733-6