3-D-Printed Wideband Circularly Polarized MIMO Dielectric Resonator Antenna

被引：5
|
作者：
Yang, Chen [1 ,2 ,3 ]
Leung, Kwok Wa [1 ,2 ,3 ]
机构：
[1] City Univ Hong Kong CityU, State Key Lab Terahertz & Millimeter Waves, Hong Kong, Peoples R China
[2] City Univ Hong Kong CityU, Dept Elect Engn, Hong Kong, Peoples R China
[3] CityU Shenzhen Res Inst, Informat & Commun Technol Ctr, Shenzhen 518057, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2023年 / 71卷 / 07期
关键词：
3-D printing; circular polarization (CP); dielectric decoupler; dielectric resonator antenna (DRA); wideband antenna; multiple-input-multiple-output (MIMO); MUTUAL COUPLING REDUCTION; EFFICIENCY; DIVERSITY;
D O I：
10.1109/TAP.2023.3270701
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 3-D-printed wideband circularly polarized (CP) multiple-input-multiple-output (MIMO) antenna is proposed. This antenna consists of two CP dielectric resonator antennas (DRAs) which are covered by a dielectric decoupler. With this decoupler, the center-to-center distance between the two DRAs can be made as small as 0.33?(0) with a high isolation, where ?(0) is the operating wavelength in air. To verify the simulation, a prototype operating in X-band was designed, fabricated, and measured. Its measured -10-dB impedance bandwidth is 21.7% (8.88-11.04 GHz), within which the axial-ratio (AR) bandwidth and mutual coupling are less than 3 and -21.4 dB, respectively. The impedance and AR have a wide overlapping bandwidth of 21.7%.
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页码：5675 / 5683
页数：9
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