Compact Broadband Circularly Polarized Microstrip Antenna With a Cross-slotted Ground Plane

被引：0
|
作者：
Zhang, Ruipan [1 ]
Huang, Jiawei [1 ]
Ding, Jun [1 ]
Zhai, Guohua [1 ]
机构：
[1] East China Noiinal Univ, Shanghai Key Lab Multidimens Informat Proc, Shanghai 200241, Peoples R China
来源：
2019 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND USNC-URSI RADIO SCIENCE MEETING | 2019年
基金：
上海市自然科学基金;
关键词：
Circularly polarized antenna; broadband; patch microstrip; slots;
D O I：
10.1109/apusncursinrsm.2019.8888605
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 work, a compact circularly polarized (CP) antenna fed by microstrip line is proposed to work at millimeter wave band. The single series feeding line coupling with cross-slots in the ground plane creates a phase difference and excites orthogonal modes for circular polarization. Sequential rotation of current excited on the surface of radiating patch broadens the axial ratio bandwidth compared with the traditional CP patch antenna. The proposed antenna covers an impedance bandwidth (vertical bar S11 vertical bar<-10 dB) from 25 to 36.58 GHz (37.61%) and a 3 dB axial ratio bandwidth from 30.8 to 36.13 GHz (15.92%). The gain is greater than 5 dBi over the band. The proposed antenna has the merits of low profile, wide axial ratio bandwidth, and high gain.
引用
收藏
页码：1753 / 1754
页数：2
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