Two Efficient Unit Cell Designs for Polarization Independent 5-G Reflectarrays

Elsharkawy, Rania; Sebak, A.R.; Hindy, Moataza; Haraz, Osama M.; Saleeb, Adel A.; El-Rabaie, El-Sayed M.

doi:10.21608/mjeer.2016.63653

Two Efficient Unit Cell Designs for Polarization Independent 5-G Reflectarrays

Document Type : Original Article

Authors

¹ Electronics Research Institute, Dokki, Giza, Egypt.

² ECEDepartment, Concordia University, Montreal, Quebec, Canada

³ Electrical Engineering Dept., Assiut University, Assiut 71515, Egypt

⁴ Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt.

10.21608/mjeer.2016.63653

Abstract

h: 0px; "> This paper presents two different polarization independent unit cells for reflectarray antenna that are suitable for 5-G mobile base-station applications and compares between them. The first unit cell is composed of two concentric rings and a cross loop inside and the second one contains three circular rings for bandwidth enhancement. These reflectarrays are designed around 28 GHz with 10×10 aperture dimensions. The unit cells dimensions are 0.5×0.5. A pyramidal horn antenna is used for the feeding purpose. The F/D ratio is taken as one. All the simulation stages are carried on the CST microwave studio. The simulation results show that the design with the UC2 gives a better performance than the design with UC1 from the aperture efficiency and the side-lobe level perspectives. Both designs offer a good cross-polarization level.

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