期刊
MICROMACHINES
卷 13, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/mi13071082
关键词
singly-fed; circular polarization; dielectric resonator antenna (DRA); defected ground structure; multiple-input-multiple-output (MIMO); 5G NR band
类别
资金
- Princess Nourah bint Abdulrahman University Researchers Supporting Project, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R138]
- Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
This paper presents a circularly polarized rectangular dielectric resonator antenna (RDRA) for MIMO and 5G Sub 6 GHz applications. The antenna achieves circular polarization for both ports using a novel-shaped conformal metal strip, and improves isolation between radiators with a S shaped defective ground plane structure. Experimental testing verifies the estimated findings.
This paper describes a singly-fed circularly polarized rectangular dielectric resonator antenna (RDRA) for MIMO and 5G Sub 6 GHz applications. Circular polarization was achieved for both ports using a novel-shaped conformal metal strip. To improve the isolation between the radiators, a S shaped defective ground plane structure (DGPS) was used. In order to authenticate the estimated findings, a prototype of the suggested radiator was built and tested experimentally. Over the desired band, i.e., 3.57-4.48 GHz, a fractional impedance bandwidth of roughly 36.63 percent (-10 dB as reference) was reached. Parallel axial ratio bandwidth of 28.33 percent is achieved, which is in conjunction with impedance matching bandwidth. Between the ports, isolation of -28 dB is achieved Gain and other far-field parameters are also calculated and found to be within their optimum limits
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