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- Title
Dual-Band Circularly Polarized Hybrid Dielectric Resonator Antenna for 5G Millimeter-Wave Applications.
- Authors
Huang, Run-Ze; Zhang, Jing-Wei; Zhang, Cheng
- Abstract
This paper proposes a dual-band circularly polarized (CP) rectangular dielectric resonator antenna (DRA) for 5G millimeter wave wireless communications. The proposed DRA consists of a novel modified cross-flower exciting (MCF) slot and a rectangular ceramic dielectric resonator (DR). With the help of the compact MCF feeding slot, the fundamental modes TE δ 11 x / TE 1 δ 1 y and higher-order modes TE δ 13 x / TE 1 δ 3 y of the DR can be excited to achieve CP dual-band characteristics. In addition, the MCF slot works as a radiator at 26 GHz and 39 GHz to enhance the DRA bandwidth. More importantly, these two operational bandwidths can be controlled independently at the lower and upper bands. The proposed DRA is designed, fabricated and measured. The measured results show that the proposed dual-band CP DRA achieves 3 dB axial-ratio (AR) bandwidths of 19.8% and 7.8% with peak gains of 5.62 dBic and 6.74 dBic for the lower and upper bands.
- Subjects
DIELECTRIC resonator antennas; DIELECTRIC resonators; 5G networks; WIRELESS LANs; MILLIMETER waves; WIRELESS communications
- Publication
Electronics (2079-9292), 2022, Vol 11, Issue 11, p1761
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics11111761