A Compact MIMO Antenna Based on Modal Analysis for 5G Wireless Applications

被引：4

作者：

Ghouse, Parveez Shariff Bhadravathi ^{[1
]}

John, Deepthi Mariam ^{[1
]}

Mane, Pallavi R. ^{[1
]}

Saha, Debdeep ^{[2
]}

Shivarama, Supreetha Balavalikar ^{[1
]}

Pathan, Sameena ^{[3
]}

Bhat, Bharathi Raghavendra ^{[2
]}

Vincent, Shweta ^{[4
]}

Ali, Tanweer ^{[1
]}

机构：

[1] Manipal Acad Higher Educ, Manipal Inst Technol, Dept Elect & Commun Engn, Manipal 576104, India

[2] Manipal Acad Higher Educ, Manipal Inst Technol, Dept Elect & Elect Engn, Manipal 576104, India

[3] Manipal Acad Higher Educ, Manipal Inst Technol, Dept Informat & Commun Technol, Manipal 576104, India

[4] Manipal Acad Higher Educ, Manipal Inst Technol, Dept Mechatron, Manipal 576104, India

来源：

MICROMACHINES | 2024年 / 15卷 / 06期

关键词：

5G; CMT; dipole array antenna; millimeter wave (mmWave); metasurface; MIMO; DIPOLE ANTENNA; DESIGN;

D O I：

10.3390/mi15060729

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This article presents a planar, non-angular, series-fed, dual-element dipole array MIMO antenna operating at 28 GHz with the metasurface-based isolation improvement technique. The initial design is a single-element antenna with a dual dipole array which is series-fed. These dipole elements are non-uniform in shape and distance. This dipole antenna results in end-fire radiation. The dipole antenna excites the J1 mode for its operation. Further, with the view to improve channel capacity, the dipole array expands the antenna to a three-element MIMO antenna. In the MIMO antenna structure, the sum of the J1, J2, and J3 modes is excited, causing resonance at 28 GHz. This article also proposes a metasurface structure with wide stopband characteristics at 28 GHz for isolation improvement. The metasurface is composed of rectangle-shaped structures. The defected ground and metasurface structure combination suppresses the surface wave coupling among the MIMO elements. The proposed antenna results in a bandwidth ranging from 26.7 to 29.6 GHz with isolation improvement greater than 21 dB and a gain of 6.3 dBi. The antenna is validated with the diversity parameters of envelope correlation coefficient, diversity gain, and channel capacity loss.

引用

页数：20

共 40 条

[1] Compact UWB MIMO Antenna for 5G Millimeter-Wave Applications [J].