Vol. 119

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2022-03-22

Full Duplex High Speed Data Transmission Based on Partially Coupled Coils in Wireless Power Transmission Systems

By Jianxiong Li and Wenlong Yang
Progress In Electromagnetics Research C, Vol. 119, 81-96, 2022
doi:10.2528/PIERC22012709

Abstract

For full duplex communication, a signal parallel transfer method based on partial power transmission couplers is proposed in this paper. The power transfer uses a serial LC compensation structure topology, and the data transmission channel adopts a double coupling resonant circuit. In terms of power transmission, some power coupling inductors and power compensation capacitors form a power resonance network with a high frequency trap function, which can isolate the influence of signal transmission. Therefore, there is no need for an additional trap, which reduces power loss and the space occupied by the structure. In terms of signal transmission, the partial coupling coil method can increase the coupling frequency and the data transfer rate. In addition, the signal transmission circuit has the characteristics of dual resonance frequencies. The forward and reverse signals modulate the carrier at different resonance frequencies to realize full duplex communication. Finally, the simulation results prove that the scheme is practicable for full duplex communication and parallel transmission of power, achieving anoutput power of 1.4 KW, and the highest transmission rate can reach 1 Mbps.

Citation


Jianxiong Li and Wenlong Yang, "Full Duplex High Speed Data Transmission Based on Partially Coupled Coils in Wireless Power Transmission Systems," Progress In Electromagnetics Research C, Vol. 119, 81-96, 2022.
doi:10.2528/PIERC22012709
http://www.jpier.org/PIERC/pier.php?paper=22012709

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