Open Access

ARTICLE

Modelling of Wideband Concentric Ring Frequency Selective Surface for 5G Devices

Ankush Kapoor¹, Pradeep Kumar^2,*, Ranjan Mishra³

1 Department of Electronics and Communication Engineering, Jawaharlal Nehru Government Engineering College, Sundernagar, 175018, India
2 Discipline of Electrical, Electronic and Computer Engineering, University of KwaZulu-Natal, Durban, 4041, South Africa
3 Department of Electrical and Electronics Engineering, University of Petroleum and Energy Studies, Dehradun, 248007, India

* Corresponding Author: Pradeep Kumar. Email:

Computers, Materials & Continua 2023, 74(1), 341-361. https://doi.org/10.32604/cmc.2023.028874

Received 21 February 2022; Accepted 20 May 2022; Issue published 22 September 2022

Abstract

Frequency selective surfaces (FSSs) play an important role in wireless systems as these can be used as filters, in isolating the unwanted radiation, in microstrip patch antennas for improving the performance of these antennas and in other 5G applications. The analysis and design of the double concentric ring frequency selective surface (DCRFSS) is presented in this research. In the sub-6 GHz 5G FR1 spectrum, a computational synthesis technique for creating DCRFSS based spatial filters is proposed. The analytical tools presented in this study can be used to gain a better understanding of filtering processes and for constructing the spatial filters. Variation of the loop sizes, angles of incidence, and polarization of the concentric rings are the factors which influence the transmission coefficient as per the thorough investigation performed in this paper. A novel synthesis approach based on mathematical equations that may be used to determine the physical parameters of DCRFSS-based spatial filters is presented. The proposed synthesis technique is validated by comparing results from high frequency structure simulator (HFSS), Ansys electronic desktop circuit editor, and an experimental setup. Furthermore, the findings acquired from a unit cell are expanded to a 2 × 2 array, which shows identical performance and therefore proves its stability.

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Keywords

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