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Microwave Energy Harvesting by using a Broadband Fractal Antenna and a Dual-Band Rectifier
Date
2018-11-02
Author
Ozdemir, Huriye
Nesimoglu, Tayfun
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this paper, a broadband rectenna for radio frequency (RF) energy harvesting is presented. The proposed rectenna consists of a broadband fractal slot antenna and a voltage doubler rectifier circuit with a novel matching network. First of all, a broadband fractal antenna is proposed, which covers the most frequently encountered frequency bands which are located around 1800 MHz, 2.1 GHz, 2.4 GHz, and 2.45 GHz corresponding to the standards like GSM, UMTS, ISM, and WLAN, respectively. The return loss of the proposed antenna is below -10 dB over the desired frequency bands of the interests. Secondly, a novel dual-band impedance matching technique is employed to a voltage doubler rectifier circuit in order to enhance RF-to-DC conversion efficiency which reaches 45% and up to 72.2% when the input power to the rectifier is -10 dBm and 4 dBm, respectively. Finally, it has been demonstrated that the proposed rectenna is able to harvest RF energy from both GSM-1800 and wireless LAN/Wi-Fi bands. It could be utilized to powerup low-power sensor platforms.
Subject Keywords
Dualband matching network
,
RF energy harvesting
,
Fractal antenna
URI
https://hdl.handle.net/11511/65579
Collections
Natural Sciences and Mathematics, Conference / Seminar
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H. Ozdemir and T. Nesimoglu, “Microwave Energy Harvesting by using a Broadband Fractal Antenna and a Dual-Band Rectifier,” 2018, p. 279, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/65579.
