Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 69, Issue 11, Pages 11832-11836Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2021.3123609
Keywords
Frequency shift keying; Uplink; Downlink; Dual band; Wireless communication; Telemetry; Wireless sensor networks; Data telemetry; dual-band coil; inductive link; Internet-of-Things (IoT); mobile device; wireless power transfer
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Funding
- Research fund of Hanyang University [HY-202100000001010]
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This article presents a wireless power and bidirectional wireless data transfer system using a conventional 2-coil inductive link. The system is suitable for Internet-of-Things (IoT) and mobile applications, and achieves high data rates through dual-band frequency shift-keying and load shift-keying techniques.
Wireless power and bidirectional wireless data transfer system using a conventional 2-coil inductive link is presented for Internet-of-Things (IoT) and mobile applications without any additional coil or antenna. The proposed system utilizes the dual-band frequency shift-keying and the load shift-keying for the downlink and uplink telemetries, respectively, while similar to 140 mW power is delivered to the receiver in the 2-coil inductive link. The data rates for downlink and uplink telemetries are 800 kb/s and 14 kb/s with 3.12 x 10(-5) and <10(-6) bit error rate at 10 mm distance, respectively.
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