适用于6 GHz以下5G终端的紧凑型双频MIMO天线

IF 1.6 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of electromagnetic engineering and science Pub Date : 2022-09-30 DOI:10.26866/jees.2022.5.r.128

Guiting Dong, Jianlin Huang, Simin Lin, Zhizhou Chen, Gui Liu

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引用次数: 6

摘要

本文提出了一种用于第五代（5G）无线通信终端的双频带多输入多输出（MIMO）天线。测量的380 MHz（3.34–3.72 GHz）和560 MHz（4.57–5.13 GHz）的-10 dB阻抗带宽可以覆盖3.4–3.6 GHz和4.8–5 GHz 5G频段。该MIMO的单个天线元件由F形馈电带和倒L形辐射带组成。采用有缺陷的接地结构来获得良好的隔离性能，由此观察到天线元件之间的测量隔离大于23dB。测量的3.5GHz和4.9GHz的总辐射效率分别为76.65%和71.93%。此外，计算出的包络相关系数（ECC）在低频带和高频带分别小于0.00125和0.01164。此外，该天线的比吸收比（SAR）分析验证了它符合5G终端的要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

A Compact Dual-Band MIMO Antenna for Sub-6 GHz 5G Terminals

In this paper, a dual-band multiple-input-multiple-output (MIMO) antenna is proposed for fifth-generation (5G) wireless communication terminals. The measured -10 dB impedance bandwidths of 380 MHz (3.34–3.72 GHz) and 560 MHz (4.57–5.13 GHz) can cover the 3.4–3.6 GHz and 4.8–5 GHz 5G bands. The single antenna element of this proposed MIMO is composed of an F-shaped feed strip and an inverted L-shaped radiation strip. A defected ground structure is employed to obtain a good isolation performance, whereby the measured isolation between the antenna elements is observed to be larger than 23 dB. The measured total radiation efficiencies at 3.5 GHz and 4.9 GHz are 76.65% and 71.93%, respectively. Besides, the calculated envelope correlation coefficients (ECC) are less than 0.00125 and 0.01164 at the low-frequency and high-frequency bands, respectively. Furthermore, the specific absorption ratio (SAR) analysis of the antenna verifies that it qualifies for 5G terminals.

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来源期刊

Journal of electromagnetic engineering and science ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.90

自引率

17.40%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Electromagnetic Engineering and Science (JEES) is an official English-language journal of the Korean Institute of Electromagnetic and Science (KIEES). This journal was launched in 2001 and has been published quarterly since 2003. It is currently registered with the National Research Foundation of Korea and also indexed in Scopus, CrossRef and EBSCO, DOI/Crossref, Google Scholar and Web of Science Core Collection as Emerging Sources Citation Index(ESCI) Journal. The objective of JEES is to publish academic as well as industrial research results and discoveries in electromagnetic engineering and science. The particular scope of the journal includes electromagnetic field theory and its applications: High frequency components, circuits, and systems, Antennas, smart phones, and radars, Electromagnetic wave environments, Relevant industrial developments.