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A 3D-Printed Tapered Cavity-Backed Flush-Mountable Ultra-Wideband Antenna for UAVopen access
- Authors
- Lee, Seongkyu; Kim, Sunryul; Park, Youngmi; Choi, Jaehoon
- Issue Date
- Oct-2019
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Cavity resonators; Probes; Antenna feeds; Antenna radiation patterns; Helical antennas; 3D printed components; UWB antenna; flush-mountable antenna; cavity-backed antenna; UAV
- Citation
- IEEE Access, v.7, pp.156612 - 156619
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Access
- Volume
- 7
- Start Page
- 156612
- End Page
- 156619
- ISSN
- 2169-3536
- Abstract
- A tapered cavity-backed flush-mountable dual mono-cone antenna is proposed. The proposed antenna consists of four main sections: a lower mono-cone, an upper mono-cone, novel feeding structures, and an exponentially tapered cavity. To obtain high-frequency band operation, the upper mono-cone excited by the feeding structures is located inside the lower mono-cone. The circular cavity used in the proposed antenna has a tapered wall for mitigating the deterioration of radiation performance. The proposed antenna has overall dimensions of 200 mm $\times200$ mm $\times30$ mm. The measured reflection coefficients (S-parameters) are below 10 dB from 1.43 GHz to 39.05 GHz (1:27.3). The measured radiation pattern has a quasi- omnidirectional characteristic in the operating frequency band.
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