Wideband quasi-Yagi antenna with stable radiation patterns for base-station applications

被引：2
作者：
Wu, Duo-Long [1 ,2 ]
Yang, Kang Yu [1 ]
Zhu, Wen Jian [1 ]
Li, Jian-Feng [1 ]
Ye, Liang Hua [1 ]
机构：
[1] Guangdong Univ Technol, Sch Phys & Optoelect Engn, Guangzhou 510600, Peoples R China
[2] Guangdong Univ Technol, Sch Electromech Engn, State Key Lab Precis Elect Mfg Technol & Equipmen, Guangzhou, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2022年 / 64卷 / 03期
基金：
中国国家自然科学基金;
关键词：
high gain; impedance matching; quasi-Yagi antenna; stable radiation pattern; wideband antenna; UDA ANTENNA;
D O I：
10.1002/mop.33112
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 novel wideband quasi-Yagi antenna with a dipole driver, an octagon-shaped director, and a box-shaped reflector is proposed in this letter. The dipole driver is excited by a wideband balun with a stepped microstrip for good impedance matching. In addition, the proposed octagon-shaped director not only realizes good impedance matching but also stabilizes the radiation pattern. To further stabilize the radiation pattern, the reflector of the antenna is designed in a box shape. As a result, the proposed antenna achieves a wide bandwidth of 81.7% for |S-11| <= -15 dB from 1.65 to 3.93 GHz. Additionally, the proposed antenna obtains a stable half-power beamwidth of 62 +/- 5 degrees in the horizontal plane and a high gain of 8.3 +/- 1 dBi from 1.7 to 3.6 GHz.
引用
收藏
页码：530 / 536
页数：7
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