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用于低于7GHz 5G应用的双端口宽带MIMO天线的研制。

Development of a dual-port wideband MIMO antenna for Sub-7 GHz 5G applications.

作者信息

Singh Prem Pal, Sorathiya Vishal, Almawgani Abdulkarem H M, Alhawari Adam R H

机构信息

Parul Institute of Engineering and technology, Parul University, Vadodara, Gujarat, India.

Department of Electrical Engineering, College of Engineering, Najran University, Najran, Saudi Arabia.

出版信息

Sci Rep. 2025 Aug 17;15(1):30126. doi: 10.1038/s41598-025-15312-1.

DOI:10.1038/s41598-025-15312-1
PMID:40820149
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12358622/
Abstract

This research introduces a two-port MIMO antenna suitable for 5G, demonstrating enhanced data rates, throughput, capacity, and resistance to multipath fading. The antenna operates within the sub-7 GHz frequency range and adheres to the standards for 5G connections employed in many countries. The antenna possesses a wideband response spanning from 3.7 to 7.60 GHz and demonstrates an isolation surpassing 20 dB among its components. The singular component consists of interlinked circular patches and a partial base with a rectangular extension. The dimensions are minimal, measuring 22 × 28 mm² (0.27λ × 0.35λ) for a single element and 28 × 60 mm² (0.35λ × 0.74λ at 3.7 GHz) for the two-port arrangement, with a substrate height of 0.8 mm. Hardware prototyping demonstrates MIMO compliance with a maximum gain of 4.6 dBi and an ECC of less than 0.001. The evaluation of diversity gain (DG) and mean effective gain (MEG) further confirms its compatibility across several communication bands, including unlicensed LTE band 46, ISM bands, WLAN bands, 5G NR bands n77 and n79, and 5 GHz WLAN within the sub-7 GHz spectrum. Additionally, it is compatible with Wi-Fi 6, the Indian National Satellite System INSAT-C, and V2X/DSRC services, highlighting its adaptability across many communication standards and frequency bands.

摘要

本研究介绍了一种适用于5G的双端口MIMO天线，其数据速率、吞吐量、容量得到增强，且对多径衰落具有抗性。该天线在低于7GHz的频率范围内工作，并符合许多国家采用的5G连接标准。该天线具有3.7至7.60GHz的宽带响应，其组件之间的隔离度超过20dB。单个组件由相互连接的圆形贴片和带有矩形延伸部分的部分底座组成。尺寸极小，单个元件为22×28mm²（0.27λ×0.35λ），双端口配置为28×60mm²（3.7GHz时为0.35λ×0.74λ），基板高度为0.8mm。硬件原型表明MIMO符合要求，最大增益为4.6dBi，ECC小于0.001。对分集增益（DG）和平均有效增益（MEG）的评估进一步证实了其在多个通信频段的兼容性，包括非授权LTE频段46、ISM频段、WLAN频段、5G NR频段n77和n79以及低于7GHz频谱内的5GHz WLAN。此外，它还与Wi-Fi 6、印度国家卫星系统INSAT-C以及V2X/DSRC服务兼容，突出了其在多种通信标准和频段上的适应性。

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