High-Gain Conical-Beam Planar Antenna for Millimeter-Wave Drone Applications
- Authors
- Pham, D.A.; Lee, M.; Lim, Sungjoon
- Issue Date
- Oct-2021
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Antennas; Conical-beam radiation; Copper; Dielectric resonator antennas; drone application; Drones; Millimeter wave communication; millimeter-wave antenna; planar antenna; Planar arrays; Reflection
- Citation
- IEEE Transactions on Antennas and Propagation, v.69, no.10, pp 6959 - 6964
- Pages
- 6
- Journal Title
- IEEE Transactions on Antennas and Propagation
- Volume
- 69
- Number
- 10
- Start Page
- 6959
- End Page
- 6964
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/47739
- DOI
- 10.1109/TAP.2021.3070662
- ISSN
- 0018-926X
1558-2221
- Abstract
- In this communication, a high-gain planar antenna with a conical beam is presented for millimeter-wave drone applications. The proposed antenna comprises a vertical monopole and a circular side reflectors. The high-gain conical beam is achieved by in-phase reflections from the planar annular-distributed side reflectors which is realized by a series of via walls using the printed-circuit-board (PCB) fabrication. The proposed structure was numerically and experimentally demonstrated. Full-wave analysis shows a 10-dB impedance bandwidth (BW) of 26.50–29.96 GHz, corresponding to 12.26% of the fractional BW, whereas the measured data accounts for 11.6% in the frequency range of 26.63–29.91 GHz. Meanwhile, a maximum peak gain of 8.51 dBi is observed at a beam-pointing angle of 22°, with a high radiation efficiency of 88.3%. Owing to these valuable features of high gain, good conical-beam radiation performance, and simple planar structure, the proposed antenna is a promising candidate for millimeter-wave drone applications. IEEE
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