Reconfigurable High Isolation MIMO Dielectric Resonator Antenna for UWB and Wideband Applications

被引：0
作者：
Hadda, Lincoln [1 ]
Yadav, Sachin Kumar [2 ]
Gupta, Neena [1 ]
Kumar, Sanjeev [3 ]
Singh, Arun K. [1 ]
机构：
[1] Punjab Engn Coll, Semicond Res Ctr, Dept Elect & Commun Engn, Chandigarh, India
[2] SR Univ, Sch Comp Sci & Artificial Intelligence, Warangal, India
[3] Punjab Engn Coll, Phys Dept, Chandigarh, India
来源：
IETE JOURNAL OF RESEARCH | 2024年 / 70卷 / 06期
关键词：
Quarter wave transformer feedline parasitic metallic strips; U-shaped defective ground structure; U-shaped dielectric resonator antenna; Ultra-wideband antenna; DESIGN;
D O I：
10.1080/03772063.2023.2273947
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：
This paper presents a compact multiple-input multiple-output (MIMO) two-element dielectric resonator antenna (DRA) for wideband (WB) and ultra-wideband (UWB) operations. The dielectric resonators (DRs) are fabricated on the top side of the low-cost substrate (FR4) and the etched ground plane on the bottom of the substrate. Featuring two compact U-shaped DRs with a U-shaped defective ground surface (DGS) it has a wide impedance bandwidth of 112.84% (3.02-10.88 GHz). When the diode is connected between U-shaped metallic parasitic strips and the feedline edge, it provides a wide impedance bandwidth of 23.62% (5.6-7.1 GHz). Two parasitic metal elements are placed on the upper surface of the DR to improve the transmission coefficient better than -22 dB between the two ports. This compact antenna has a total volume of 4704.55 mm3 (29 x 29 x 5.594). The proposed MIMO DRA has WB and UWB features, making it easy to monitor and detect signals in the environment.
引用
收藏
页码：5583 / 5594
页数：12
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