Microstrip Grid and Patch-Based Dual-Band Shared-Aperture Differentially Fed Array Antenna

被引：22
|
作者：
Xu, Guanghui [1 ]
Yang, Li-Xia [1 ]
Huang, Zhi-Xiang [1 ]
Wang, Wei [2 ]
Peng, Hong-Li [3 ]
Zhang, Yueping [3 ]
Yin, Wen-Yan [4 ]
机构：
[1] Anhui Univ, Sch Elect & Informat Engn, Hefei 230039, Peoples R China
[2] East China Res Inst Elect Engn, Hefei 230088, Peoples R China
[3] Shanghai Jiao Tong Univ, Key Lab, Minist Educ Design & Electromagnet Compatibil Hig, Shanghai 200240, Peoples R China
[4] Zhejiang Univ, Sch Informat Sci & Elect Engn, Innovat Inst Electromagnet Informat & Elect Integ, Hangzhou 310027, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 06期
基金：
美国国家科学基金会;
关键词：
Dual band; Microstrip antenna arrays; Bandwidth; Antennas; Antenna measurements; Impedance; Reflection coefficient; Differential feeding; microstrip grid array antenna (MGAA); patch antenna; shared-aperture;
D O I：
10.1109/LAWP.2021.3070219
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：
The design of a shared-aperture dual-band differentially fed array antenna with microstrip grid and patches is presented in this letter. The patches as high-frequency elements operating at 38 GHz are inserted into microstrip grid array antenna (MGAA) operating at the low-frequency band of 28 GHz. The impedance bandwidth of MGAA can be enhanced from 3% to 16% at 28 GHz due to the introduced resonance from its coupling with the patches. The measurement shows that the proposed antenna can achieve the impedance bandwidths of 15.65% and 16.7%, isolation of more than 20 dB, and peak gains of 14.7 and 14.5 dBi at dual bands of 28 and 38 GHz, respectively. Therefore, the design scheme will be useful for the dual-band millimeter-wave 5G applications.
引用
收藏
页码：1043 / 1047
页数：5
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