A Dual-CP Quad-Port MIMO Antenna With Reduced Mutual Coupling for X-Band Application

被引：21
作者：
Kulkarni, Jayshri [1 ]
Sim, Chow-Yen-Desmond [2 ]
Garner, Brian [1 ]
Li, Yang [1 ]
机构：
[1] Baylor Univ, Sch Engn & Comp Sci, Waco, TX 76706 USA
[2] Feng Chia Univ, Dept Elect Engn, Taichung 40724, Taiwan
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 09期
关键词：
Circularly polarized (CP); envelope correlation coefficient (ECC); multiple-input-multiple-output (MIMO); X-band; REDUCTION; DESIGN; RING;
D O I：
10.1109/LAWP.2023.3275530
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 compact quad-port multiple-input-multiple-output (MIMO) antenna with dual polarization is proposed. Each of the four antenna elements features a modified rectangular radiator backed by a partial ground plane and fed by a T-shaped microstrip line. The four antenna elements are interconnected by an X-shaped strip and isolated by a modified plus-shaped structure, resulting in over -18 dB of isolation. With a small footprint of only 36 mm x 27 mm, the antenna exhibits a 10 dB impedance bandwidth with a completely overlapping 3 dB axial-ratio bandwidth of 19.32% (7.90-9.59 GHz). Additionally, it can provide a gain of over 3.5 dBi, an efficiency of over 70%, and an envelope correlation coefficient of less than 0.01 in both isotropic and real propagation scenarios.
引用
收藏
页码：2085 / 2089
页数：5
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