Selective Microwave Power Transfer System for Effective Power Supply to Multiple Sensor Networks 


Vol. 46,  No. 2, pp. 209-216, Feb.  2021
10.7840/kics.2021.46.2.209


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  Abstract

In this paper, we propose a new microwave power transfer (MPT) system that can efficiently transmit power to multiple sensor networks wirelessly. Using the sensor identification and battery status information, the proposed system preferentially transmits powers to the sensor that has the lowest battery power. Through this selective priority processing, it is possible to overcome the drawbacks of the MPT system that transmits power by random selection without priority. When the power is randomly transmitted according to the power request in the conventional MPT system, it is difficult for sensors with relatively high power consumption characteristic and low battery power to receive power in time. The proposed system can effectively solve this problem. Through the simulations, it is confirmed that the proposed MPT system can provide a power efficient environment in which each sensor can perform work more effectively than the conventional MPT system in various sensor network conditions. In particular, it is confirmed that by adjusting the parameters of the power transmitter according to the number of sensors, it is possible to improve the total workload of the sensor network by up to about 45% maximally.

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  Cite this article

[IEEE Style]

C. An and H. Ryu, "Selective Microwave Power Transfer System for Effective Power Supply to Multiple Sensor Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 2, pp. 209-216, 2021. DOI: 10.7840/kics.2021.46.2.209.

[ACM Style]

Changyoung An and Heung-Gyoon Ryu. 2021. Selective Microwave Power Transfer System for Effective Power Supply to Multiple Sensor Networks. The Journal of Korean Institute of Communications and Information Sciences, 46, 2, (2021), 209-216. DOI: 10.7840/kics.2021.46.2.209.

[KICS Style]

Changyoung An and Heung-Gyoon Ryu, "Selective Microwave Power Transfer System for Effective Power Supply to Multiple Sensor Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 2, pp. 209-216, 2. 2021. (https://doi.org/10.7840/kics.2021.46.2.209)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880