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Design of a high-gain dual-band antipodal Vivaldi antenna array for 5G communications

Published online by Cambridge University Press:  09 December 2021

Sumit Kumar Open the ORCID record for Sumit Kumar [Opens in a new window]  and
Amruta S. Dixit Open the ORCID record for Amruta S. Dixit [Opens in a new window]
Sumit Kumar*
Affiliation:
Electronics and Telecommunication Department, Symbiosis Institute of Technology, Symbiosis International (Deemed University), Pune, India
Amruta S. Dixit
Affiliation:
Electronics and Telecommunication Department, Symbiosis Institute of Technology, Symbiosis International (Deemed University), Pune, India
*
Author for correspondence: Sumit Kumar, E-mail: [email protected]
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Abstract

This paper presents a dual-band 1 × 4 antipodal Vivaldi antenna (AVA) array with high gain to operate over a dual-frequency band that covers the 5G frequency spectrum. The gain is enhanced by employing a dielectric lens (DL). The AVA array consists of four radiating patch elements, corrugations, DL, and array feeding network on the top side. The bottom side contains four radiating patches which are the mirror images of top radiating patches. The designed AVA contains 1 × 4 array antenna elements with a DL that is operating in the ranges of 24.59–24.98 and 27.06–29 GHz. The dimensions of the designed antenna are 97.2 mm × 71.2 mm × 0.8 mm. For the improvement in gain and impedance matching at the dual-band frequency, corrugation and feeding network techniques are used. The gain obtained is about 8–12 dBi. AVA array is tested after fabrication and the measured results are reliable with the simulation results.

Keywords

5G communicationsantipodal Vivaldi antenna (AVA)arraycorrugationsdielectric lens (DL)dual-band
Type
Antenna Design, Modelling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 14 , Issue 9 , November 2022 , pp. 1159 - 1167
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press in association with the European Microwave Association

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