Survey on RF Energy Harvesting and Wireless Power Transmission 


Vol. 43,  No. 11, pp. 1877-1886, Nov.  2018
10.7840/kics.2018.43.11.1877


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  Abstract

This paper presents a review of existing works in the area of electromagnetic radio frequency (RF) energy harvesting and wireless power transmission (WPT). Ambient RF sources to be harvested are examined based on the frequency band, the power density, and the harvested power. In NF-WPT, the basic magnetic inductive coupling system is examined and the antenna and the impedance matching in receiver system is investigated in FF-WPT. The FF WPT is very useful if there are no ambient energy sources to be harvested. The NF WPT is getting popular especially for the mobile devices such as cellular phones. To evaluate the efficiency of the subsystems and the overall system, the metric related to the efficiency is defined by the power ratio. Among the implementation methods of the NF WPT, we investigate the magnetic inductive coupling technique and the magnetic resonance coupling technique to understand charging for the cellular phones and the electric cars. Common factors in ambient energy harvesting and WPT are the receiver subsystems which contain the antenna, matching circuits, rectifier, and DC to DC converter. Typical and basic structures of the matching circuits and the rectifier are introduced. Finally, future works and the perspectives are suggested.

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  Cite this article

[IEEE Style]

S. Min, "Survey on RF Energy Harvesting and Wireless Power Transmission," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1877-1886, 2018. DOI: 10.7840/kics.2018.43.11.1877.

[ACM Style]

Seungwook Min. 2018. Survey on RF Energy Harvesting and Wireless Power Transmission. The Journal of Korean Institute of Communications and Information Sciences, 43, 11, (2018), 1877-1886. DOI: 10.7840/kics.2018.43.11.1877.

[KICS Style]

Seungwook Min, "Survey on RF Energy Harvesting and Wireless Power Transmission," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 11, pp. 1877-1886, 11. 2018. (https://doi.org/10.7840/kics.2018.43.11.1877)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880