Circularly Polarized Dielectric Rod Waveguide Antenna for Millimeter-Wave Applications

被引：25
|
作者：
Ji, Zhuoqiao [1 ]
Wang, Kai Xu [1 ]
Wong, Hang [1 ]
机构：
[1] City Univ Hong Kong, Dept Elect Engn, State Key Lab Millimeter Waves, Hong Kong 999077, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 10期
关键词：
Circular polarization; dielectric rod waveguide (DRW) antenna; millimeter-wave (mm-wave); wide bandwidth; ARRAY;
D O I：
10.1109/TAP.2018.2858182
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：
This paper presents a novel wideband circularly polarized dielectric rod waveguide (DRW) antenna for millimeter-wave applications. The rotated tapering rod that consists of a matching taper and a radiation taper is the first time adopted to realize circular polarization in the DRW antenna design. The circular polarization is realized by generating two orthogonal electric fields through rotating the radiation taper to an angle of phi relative to the matching taper. The proposed antenna achieves a wide impedance bandwidth throughout the whole Ka-band as well as a wide 3 dB axial ratio bandwidth (ARBW) of 37% from 27.5 to 40 GHz. The main advantages for this antenna design are its wide impedance bandwidth, 3 dB ARBW, simple structure, and easy fabrication.
引用
收藏
页码：5080 / 5087
页数：8
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