Compact 16-Port MIMO Antenna for Sub-6 GHz Communications

被引：0
作者：
Srivastava, Gunjan [1 ]
Mohan, Akhilesh [2 ]
Kumar, Sachin [3 ]
Choi, Hyun Chul [4 ]
Kim, Kang Wook [4 ]
机构：
[1] Graph Era Deemed Univ, Dept Elect & Commun Engn, Dehra Dun 248002, India
[2] Indian Inst Technol Roorkee, Dept Elect & Commun Engn, Roorkee 247667, India
[3] Galgotias Coll Engn & Technol, Dept Elect & Commun Engn, Greater Noida 201310, India
[4] Kyungpook Natl Univ, Sch Elect & Elect Engn, Daegu 41566, South Korea
来源：
IEEE ACCESS | 2025年 / 13卷
基金：
新加坡国家研究基金会;
关键词：
Antennas; Scattering parameters; Antenna arrays; Resonant frequency; Bandwidth; MIMO; Substrates; Radio spectrum management; 5G mobile communication; Mirrors; Antenna; isolation; multiple-input-multiple-output (MIMO); quarter-mode substrate integrated waveguide (QMSIW); sub-6; GHz; INTEGRATED WAVE-GUIDE; DESIGN; SYSTEM;
D O I：
10.1109/ACCESS.2025.3541738
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A 16-port multiple-input-multiple-output (MIMO) antenna for sub-6 GHz communication systems is presented in this paper. It is designed by arranging the eight dual polarized antenna elements in 2 x 4 array pattern. Each dual polarized antenna element is incorporated inside a shielded quarter-mode substrate integrated waveguide (S-QMSIW) cavity, which is orthogonally fed by a pair of 50 Omega coaxial lines. Two U-shaped slots are etched on the top-surface of S-QMSIW resonator to obtain two radiating patches in each of the dual-polarized unit element. The designed antenna radiates over the frequency band of 5.32-6.35 GHz (FBW = 17.54 %), which covers n46, n47, n96 and n102 bands of sub-6 GHz communications. Due to the strategic placement of dual polarized antenna elements, high inter-port isolation (>45 dB) over the entire operating bandwidth is attained. The overall dimensions of the proposed MIMO antenna are 88 mm x 44 mm x 0.508 mm. The designed antenna also exhibits high gain and excellent MIMO performance.
引用
收藏
页码：34051 / 34059
页数：9
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