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Conference Paper
Design of Base Station Antenna for RF Energy Harvesting
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- Authors
- Jung-Ick Moon, In-Kui Cho, Seong-Min Kim, Jae-Hun Yun, Woo-Jin Byun
- Issue Date
- 2014-08
- Citation
- Progress in Electromagnetics Research Symposium (PIERS) 2014 in Guangzhou, pp.677-679
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, a base station antenna changing the backward radiation energy into the renewable RF energy is proposed. The antenna is composed of the array radiator and RF harvesters using slots on the ground plane. The main radiator having a planar dipole type and several RF harvesters on the ground plane are used to renew the RF energy from the main radiators. The several harvesting ports are connected with the RF combiner by coaxial cables and the harvested energy is changed into the DC voltage through the rectifier circuit. Because the surface current on the ground plane flows into the RF harvesting port in the slot, the performance of the main radiator is little disturbed. As a result, the amount of the harvested energy from this base station antenna is approximately 0.16% of the originally radiated power. The simulated radiation performances of the proposed antenna are almost same with that of the antenna without the harvester.
- KSP Keywords
- Base Station Antenna, DC voltage, Ground Plane(GP), Planar dipole, RF Energy Harvesting, RF harvesting, Radiated power, Surface current, coaxial cable, energy harvesting(EH), radiation energy