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A Review of Circularly Polarized Dielectric Resonator Antennas: Recent Developments and Applications

Abd Rahman NA 1 , Mohd Yasin MN 1 , Ibrahim IM 2 , Jusoh M 1 , Noor SK 1 , Ekscalin Emalda Mary MR 3 Show all authors , Zamin N 3 , Nurhayati N 4

Affiliations 

  • 1 Advanced Communication Engineering (ACE) Centre of Excellence, Faculty Electronic Engineering Technology, Universiti Malaysia Perlis (UniMAP), Kangar 01000, Perlis, Malaysia
  • 2 Centre for Telecommunication Research and Innovation (CeTRI), Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Durian Tunggal 76100, Melaka, Malaysia
  • 3 Department of Information Technology, College of Computing and Informatics, Saudi Electronic University, Riyadh 13323, Saudi Arabia
  • 4 Department of Electrical Engineering, Universitas Negeri Surabaya, Surabaya 60231, Indonesia
Micromachines (Basel), 2022 Dec 08;13(12).
PMID: 36557477 DOI: 10.3390/mi13122178

Abstract

A comprehensive review on recent developments and applications of circularly polarized (CP) dielectric resonator antennas (DRAs) is proposed in this paper. DRAs have received more considerations in various applications due to their advantages such as wide bandwidth, high gain, high efficiency, low losses, and low profile. A broad justification for circular polarization and DRAs is stated at the beginning of the review. Various techniques such as single feed, dual, or multiple feeds used by different researchers for generating circular polarization in DRAs are briefly studied in this paper. Multiple-input-multiple-output (MIMO) CP DRAs, which can increase channel capacity, link reliability, and data rate, have also been analyzed. Additionally, innovative design solutions for broadening the circular polarization bandwidth and reducing mutual coupling are studied. Several applications of DRA are also discussed comprehensively. This paper finishes with concluding remarks.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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