Design and Characteristic Evaluation of Wireless Power Transmission System Using Multiple Antennas 


Vol. 45,  No. 4, pp. 644-651, Apr.  2020
10.7840/kics.2020.45.4.644


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  Abstract

In this paper, we present a method for designing a wireless power transmission (WPT) system using multiple antennas and its main characteristics to achieve the target power transmission efficiency. WPT system using microwave is effective for long distance power transmission. However, there are still many things to improve in terms of power transmission efficiency. Therefore, to efficiently transmit power in a wireless environment, power transceivers must be systematically designed based on link budget. First, we propose a method for determining antenna gain of power transmitter and power receiver, antenna configuration, and transmission power to achieve final transmission efficiency based on target distance, efficiency, frequency, and maximum efficiency of radio frequency to direct current (RF-DC) rectifier for WPT. The measurement results show that the required gain can be effectively obtained through the multi-antenna configuration, and the simulation results show that the transmission power of the transmitter must be determined according to the efficiency characteristics of the RF-DC rectifier in order to achieve the maximum transmission efficiency.

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  Cite this article

[IEEE Style]

C. An and H. Ryu, "Design and Characteristic Evaluation of Wireless Power Transmission System Using Multiple Antennas," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 4, pp. 644-651, 2020. DOI: 10.7840/kics.2020.45.4.644.

[ACM Style]

Changyoung An and Heung-Gyoon Ryu. 2020. Design and Characteristic Evaluation of Wireless Power Transmission System Using Multiple Antennas. The Journal of Korean Institute of Communications and Information Sciences, 45, 4, (2020), 644-651. DOI: 10.7840/kics.2020.45.4.644.

[KICS Style]

Changyoung An and Heung-Gyoon Ryu, "Design and Characteristic Evaluation of Wireless Power Transmission System Using Multiple Antennas," The Journal of Korean Institute of Communications and Information Sciences, vol. 45, no. 4, pp. 644-651, 4. 2020. (https://doi.org/10.7840/kics.2020.45.4.644)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880