Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation

IF 0.8 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Frequenz Pub Date : 2024-03-04 DOI:10.1515/freq-2023-0399

Ramysree Golla, Suman Nelaturi

引用次数: 0

Abstract

This paper proposed a two port antipodal vivaldi antenna (AVA) for 5G FR2 (frequency range 2) applications at 28 GHz with improved bandwidth,gain and isolation. Each antenna consists of two array elements. The proposed antenna has dimensions 23.8 × 54 × 0.79 mm3 and is fabricated on Rogers RT/Duroid 5880 material. This material has a 2.2 low dielectric constant and mainly suitable for broadband high frequency applications. Proposed antenna covers −10 dB below from 25.51 to 33 GHz band, which having 7.49 GHz bandwidth. Gain for the presented MIMO (Multiple input multiple output) AVA array is varying from 8.50 to 12.44 dBi. A better isolation −34.56 dB is obtained between two antenna elements. MIMO characteristics like ECC (Envelope correlation coefficient), CCL (Channel capacity loss), DG (Diversity Gain), TARC (Total active reflection coefficient), and MEG (Mean effective gain) are satisfied with good results for presented antenna. The proposed antenna is designed using ansys HFSS simulation tool.

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用于 28 千兆赫 5G FR2 应用的对偶维瓦尔第阵列 MIMO 天线，隔离性能更强

本文提出了一种用于 5G FR2（频率范围 2）28 GHz 应用的双端口反足维瓦尔第天线（AVA），其带宽、增益和隔离度均有所提高。每个天线由两个阵列元件组成。拟议的天线尺寸为 23.8 × 54 × 0.79 mm3，采用罗杰斯 RT/Duroid 5880 材料制造。这种材料具有 2.2 低介电常数，主要适用于宽带高频应用。拟议的天线覆盖-10 dB 以下 25.51 至 33 GHz 频段，带宽为 7.49 GHz。所提出的 MIMO（多输入多输出）AVA 阵列的增益从 8.50 到 12.44 dBi 不等。两个天线元件之间的隔离度为 34.56 dB。包络相关系数（ECC）、信道容量损耗（CCL）、分集增益（DG）、总有源反射系数（TARC）和平均有效增益（MEG）等多输入多输出（MIMO）特性在所提出的天线上都得到了很好的满足。所提议的天线是使用 ansys HFSS 仿真工具设计的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Frequenz 工程技术-工程：电子与电气

CiteScore

2.40

自引率

18.20%

发文量

审稿时长

3 months

期刊介绍： Frequenz is one of the leading scientific and technological journals covering all aspects of RF-, Microwave-, and THz-Engineering. It is a peer-reviewed, bi-monthly published journal. Frequenz was first published in 1947 with a circulation of 7000 copies, focusing on telecommunications. Today, the major objective of Frequenz is to highlight current research activities and development efforts in RF-, Microwave-, and THz-Engineering throughout a wide frequency spectrum ranging from radio via microwave up to THz frequencies. RF-, Microwave-, and THz-Engineering is a very active area of Research & Development as well as of Applications in a wide variety of fields. It has been the key to enabling technologies responsible for phenomenal growth of satellite broadcasting, wireless communications, satellite and terrestrial mobile communications and navigation, high-speed THz communication systems. It will open up new technologies in communications, radar, remote sensing and imaging, in identification and localization as well as in sensors, e.g. for wireless industrial process and environmental monitoring as well as for biomedical sensing.