Archivio Istituzionale della RicercaA novel circularly polarized MIMO Dielectric Resonator Antenna (DRA) for 28 GHz band applications is proposed. The DRA is excited by microstrip line structure which produce circular polarization due to orthogonal feed arrangement maintaining symmetry between both the ports. Impedance bandwidth of MIMO DRA is 27-29 GHz, axial ratio bandwidth is 27.5-28.75 GHz, and maximum simulated gain is 7.53 dBi at 27.6 GHz which covers the targeted 28 GHz band (27.5-28.35 GHz) for the 5G applications. Due to wider overlapping of axial ratio bandwidth with impedance bandwidth, proposed MIMO DRA is good candidate for 5G communication at 28 GHz band. Simulated and measured results are in good agreement, making proposed DRA a good choice for mm wave applications.
Novel Circularly Polarized MIMO Dielectric Resonator Antenna for 28 GHz Applications / Singhwal, Sumer Singh; Matekovits, Ladislau. - (2025), pp. 940-942. ( IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting (AP-S/CNC-USNC-URSI) Ottawa (Can) 13-18 July 2025) [10.1109/ap-s/cnc-usnc-ursi55537.2025.11266399].
Novel Circularly Polarized MIMO Dielectric Resonator Antenna for 28 GHz Applications
Singhwal, Sumer Singh;Matekovits, Ladislau
2025
Abstract
A novel circularly polarized MIMO Dielectric Resonator Antenna (DRA) for 28 GHz band applications is proposed. The DRA is excited by microstrip line structure which produce circular polarization due to orthogonal feed arrangement maintaining symmetry between both the ports. Impedance bandwidth of MIMO DRA is 27-29 GHz, axial ratio bandwidth is 27.5-28.75 GHz, and maximum simulated gain is 7.53 dBi at 27.6 GHz which covers the targeted 28 GHz band (27.5-28.35 GHz) for the 5G applications. Due to wider overlapping of axial ratio bandwidth with impedance bandwidth, proposed MIMO DRA is good candidate for 5G communication at 28 GHz band. Simulated and measured results are in good agreement, making proposed DRA a good choice for mm wave applications.
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https://hdl.handle.net/11583/3005773