Abstract
A compact antipodal structured antenna with dimensions of 34.5 × 28 × 1.6 mm3 has been proposed in this article for future 5G broadband applications and upcoming remote sensing satellite links. Antipodal radiator and defective ground plane were used in the proposed antenna design. The design structure was fed by a balanced tapered microstrip feed-line for better bandwidth, good impedance matching and avoidance of connecting pin for upper and lower part of the antipodal radiator. Mathematical calculations were proposed for the dominant mode frequency. The equations and results were found in line to the simulated and measured S11 parameter. The antenna parameters were optimized using commercial simulator before fabrication and validation of antenna prototype using epoxy FR04 dielectric substrate. Measured results have been in accordance with simulated results from 5 GHz to 40 GHz. The simulated and measured results of return loss, beam-width, far field pattern, and group delay were employed to evaluate the performance of the antenna. Further, antenna performance was also found satisfactory in deployable application device and several plastic housings.
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