Design and characterization of a minimized planar dual-band MIMO circular ring antenna with high efficiency

被引：0
作者：
Cai, Jing [1 ]
Dong, Guiting [1 ]
Zhang, Chuanba [1 ]
Li, Huiyang [1 ]
Shi, Xiaojing [1 ]
Liu, Gui [1 ]
机构：
[1] Wenzhou Univ, Coll Elect & Elect Engn, Wenzhou 325035, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2023年 / 65卷 / 02期
基金：
中国国家自然科学基金;
关键词：
5G; dual-band; MIMO; New Radio; SYSTEM;
D O I：
10.1002/mop.33512
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 minimized planar dual-band multiple-input multiple-output antenna with high efficiency for the fifth-generation applications is proposed in this paper. The designed antenna is composed of two identical radiating elements and a defected ground structure (DGS). Each radiating element is made up of a circular ring, a U-shaped microstrip, a T-shaped microstrip, and an L-shaped microstrip. A rectangular microstrip with a small square stub is connected to the DGS to improve the isolation. The size of the designed antenna element is 24 mm x 15 mm. The measured reflection coefficients are less than *10 dB in the 5G New Radio n77/n78/n79 (3.3-4.2 and 4.8-4.96 GHz). The total peak gain and efficiency are greater than 3.5 dBi and 82%, respectively. The values of calculated envelope correlation coefficient are lower than 0.015. The proposed dual-band MIMO antenna is suitable for 5 G applications.
引用
收藏
页码：619 / 625
页数：7
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