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Single-feed circularly polarized rectangular dielectric resonator antenna coupled with dual mode slot-line square ring resonator

Chuanyun Wang, Guibin Chen, Haiwen Liu, Zhewang Ma, Xiaoyan Zhang
2019 IEICE Electronics Express  

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A novel single-feed circularly polarized (CP) rectangular dielectric resonator antenna (RDRA) based on dual mode slot-line square ring resonator (SSRR) is proposed. The dual mode SSRR loaded with a perturbation is used to excite the TE 111 mode and TE 111 mode of rectangular dielectric resonator (RDR) simultaneously. By selecting a suitable size of the perturbation, the orthogonal degenerate modes of the SSRR are obtained. Accordingly, the CP radiation pattern of the proposed RDRA is generated
more » ... rom the orthogonal degenerate modes of the SSRR. A prototype is designed and measured. The RDRA has a wide impedance bandwidth of 14.28% (3.16-3.66GHz). The achieved 3 dB Axial Ratio (AR) bandwidth of the RDRA is about 100MHz at 3.5GHz. With the advantages of compact structure, CP performance and easy fabrication, this structure can be a good candidate for 5G communication system in the future.
doi:10.1587/elex.16.20190083 fatcat:myd5zxnmnbatnehxvxtha4c4si
Citation

Chuanyun Wang, Guibin Chen, Haiwen Liu, Zhewang Ma, Xiaoyan Zhang. "Single-feed circularly polarized rectangular dielectric resonator antenna coupled with dual mode slot-line square ring resonator." IEICE Electronics Express 16.8 (2019)