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Design of an E-sectoral horn based on PRGW technology for 5G applications

Published online by Cambridge University Press:  12 October 2022

M. S. H. Salah El-Din Open the ORCID record for M. S. H. Salah El-Din [Opens in a new window] ,
Shoukry I. Shams ,
A. M. M. A. Allam ,
Abdelhamid Gaafar ,
Hadia M. Elhennawy  and
Mohamed Fathy Abo Sree
M. S. H. Salah El-Din*
Affiliation:
Department of Electronics and Communications Engineering, Ain Shams University, Cairo, Egypt Department of Electronics and Communications Engineering, Arab Academy for Science, Technology and Maritime Transport, Cairo, Egypt
Shoukry I. Shams
Affiliation:
Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada
A. M. M. A. Allam
Affiliation:
Department of Information Technology, GUC, Cairo, Egypt
Abdelhamid Gaafar
Affiliation:
Department of Electronics and Communications Engineering, Arab Academy for Science, Technology and Maritime Transport, Cairo, Egypt
Hadia M. Elhennawy
Affiliation:
Department of Electronics and Communications Engineering, Ain Shams University, Cairo, Egypt
Mohamed Fathy Abo Sree
Affiliation:
Department of Electronics and Communications Engineering, Arab Academy for Science, Technology and Maritime Transport, Cairo, Egypt
*
Author for correspondence: M. S. H. Salah El-Din, E-mail: mohamed.sherif.hassan@gmail.com
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Abstract

E-plane sectoral horn antenna based on printed ridge gap waveguide (PRGW) technology is designed for 5G applications. It is implemented on the top plate of the PRGW structure to avoid the losses and dispersion associated with conventional feeding mechanisms. The quasi-transverse electromagneticPRGW-based antenna is excited through a planar microstrip transition. First, the single horn antenna element is introduced with the microstrip feeding section. It shows an impedance bandwidth of fractional bandwidth 26% from 45.7 to 55.4 GHz with the realized gain of 12.7 dBi and radiation efficiency of 90%. In order to maximize the realized gain, a four-element linear horn array is introduced. The same impedance bandwidth is maintained with the array having a gain of 18.6 dBi from 45.7 to 55.4 GHz. The overall antenna array performance in the entire operating frequency range is stable with a radiation efficiency around 85%. Three matching sections are implemented to achieve better impedance matching. One is used to match the horn with the feeding aperture via the PRGW line. Another section is designed to match microstrip transition with PRGW ridge. Finally, two-stage quarter wavelength transformers are required to match the power divider with the array feeding network. A prototype of single-element horn antenna was fabricated to verify the concept of the design. Simulated and measured results show that the proposed antenna can operate in the frequency band of 45–55 GHz with good agreement of radiation performance. Moreover, the proposed designs are implemented and simulated using two microwave simulation tools (CST and HFSS) to verify the radiation performance, which exhibits good agreement. The design of an E-sectoral horn antenna and its array with high gain based on PRGW is demonstrated for the first time which is considered a novel issue. It can be integrated with other passive and active elements in communication systems. Thus, it can be a valuable component in 5G communication due to its high gain, compact size and ultra-wide band.

Keywords

Array antennahorn antennaPRGW
Type
Antenna Design, Modeling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 15 , Special Issue 6: EuMW 2021 Special Issue , July 2023 , pp. 1082 - 1090
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Copyright
© The Author(s), 2022. Published by Cambridge University Press in association with the European Microwave Association

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