Design of a Circularly Polarized Dielectric Resonator Antenna Array for Millimeter-wave Applications

被引：0
|
作者：
Sun, Wen-Jian [1 ]
Yang, Wen-Wen [1 ]
Qin, Wei [1 ]
Tang, Hui [1 ]
Chen, Jian-Xin [1 ]
机构：
[1] Nantong Univ, Sch Elect & Informat, 9 Seyuan Rd, Nantong 226019, Peoples R China
来源：
2019 IEEE MTT-S INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2019) | 2019年
基金：
中国国家自然科学基金;
关键词：
Circularly polarized; dielectric resonator antenna; high gain; millimeter-wave; wideband;
D O I：
10.1109/ieee-iws.2019.8804040
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：
In this paper, a circularly polarized (CP) dielectric resonator antenna (DRA) with a wide bandwidth and high gain is proposed for millimeter-wave applications. A technique of stacking two dielectric strips is adopted to achieve a wide AR bandwidth. A backed cavity comprised by aluminum and substrate integrated waveguide (SIW) structure is used for gain enhancement. A high-efficiency power distribution feeding network is realized by using vertically stacked SIW-based substrates. The antenna element is studied firstly and followed by a 4x2 antenna sub-array. Simulated results show that the antenna sub-array achieves a 3-dB AR bandwidth of 29%, with an impedance bandwidth of 23.2% and a peak gain of 18.3 dBi.
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页数：3
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