Abstract
In this paper, a lightweight printed dipole antenna array with 3 × 2 beamforming network for wide unmanned aerial vehicle (UAV) communication coverage is presented. The proposed antenna consists of an upper substrate, a lower substrate, and two supports with a microstrip feeding. The upper substrate has a two-element printed dipole antenna array, and the lower substrate includes a beamforming feeding circuit and a ground plane as a reflector of the proposed antenna array for gain improvement. For wide beam coverage, the proposed feeding network consists of three RF switches, one Wilkinson power divider, and one 90° hybrid coupler, and generates the wide beam using one broadside beam and two end-fire beams. Measured impedance bandwidth, peak gain, and half-power beamwidth (HPBW) of the proposed array operated from 5.03 to 5.15 GHz are approximately 2 GHz, 4.3 dBi, and 155°, respectively.
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20 July 2020
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Seo, DG., Park, JS., Lee, G.K. et al. Lightweight Printed Dipole Antenna Array With 3 × 2 Beamforming Network for Wide UAV Communication Coverage. J. Electr. Eng. Technol. 15, 1769–1773 (2020). https://doi.org/10.1007/s42835-020-00455-0
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DOI: https://doi.org/10.1007/s42835-020-00455-0