Dual-band open-loop monopole (2 × 1) printed MIMO antenna for 4G and 5G applications-Reference-Cited by-同舟云学术

Dual-band open-loop monopole (2 × 1) printed MIMO antenna for 4G and 5G applications

Published:2023-02-16 Issue:7-8 Volume:77 Page:403-412
ISSN:0016-1136
Container-title:Frequenz
language:en
Short-container-title:

Author:

Abdulhameed Abdulghafor A.¹²^ORCID,Alnahwi Falih M.³,Abdullah Abdulkareem S.³

Affiliation:

1. Department of Electronics and Information Technology , Faculty of Electrical Engineering , University of West Bohemia , Pilsen , Czech Republic

2. Department of Electrical Techniques , Qurna Technique Institute, Southern Technical University , Basrah , Iraq

3. Department of Electrical Engineering , College of Engineering , University of Basrah , Basrah 61001 , Iraq

Abstract

Abstract This paper presents a compact dual-band open-loop monopole MIMO antenna to serve 4G/5G applications. This antenna consists of two printed monopole antennas with very high isolation. Two enhancement techniques are utilized to improve the isolation between ports. Since each technique can provide high isolation of a single band, a combination of λ/4 slot and T-shape techniques are used to achieve high isolation of −19 dB and −35 dB at 2.4 GHz and 3.5 GHz, respectively. The proposed design has high efficiency, a low envelope correlation coefficient, and an acceptable level of realized gain (2.7 dBi and 2.2 dBi) at low and high bands. This design has been fabricated using low-profile printed circuit technology with a compact patch size of 50 × 25 mm2 based on an FR-4 substrate. Moreover, the simulation and measurement results are in good agreement.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering

Link

https://www.degruyter.com/document/doi/10.1515/freq-2022-0141/pdf

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