Abstract
In this letter, a simultaneous wireless power and data transfer (SWPDT) method for wireless power transfer systems is proposed. Data and power are transferred via the same coupler. To achieve a high transfer power and a high data transfer rate, double-side LCC compensation topology with band-pass filtering is adopted to create a favorable condition for data transfer. An inductor fully compensated at the power carrier frequency and connected serially with the coupled coil is used to inject and extract the data carrier and multiplexed to conduct the power carrier. In addition, the duration time of the transient responses of the data transfer channel is regulated based on complex frequency-domain analysis. Finally, a 1.1 kW SWPDT experiment prototype with a data transfer rate of 1 Mbps and a data transfer delay of 0.4 μs is built to verify the feasibility of the proposed method. © 2023 IEEE.
| Original language | English |
|---|---|
| Pages (from-to) | 9362-9366 |
| Journal | IEEE Transactions on Power Electronics |
| Volume | 38 |
| Issue number | 8 |
| Online published | 22 May 2023 |
| DOIs | |
| Publication status | Published - Aug 2023 |
Funding
This work was supported by the National Natural Science Foundation of China under Grant 62073047.
Research Keywords
- Data transfer
- Demodulation
- Interference
- ON–OFF keying (OOK)
- Resistors
- simultaneous wireless power and data transfer (SWPDT)
- Topology
- Transient analysis
- Wireless communication
- wireless power transfer (WPT)
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