4-PORT PLANAR MIMO ANTENNA USING OPEN-SLOT RADIATORS FOR 5G NEW RADIO (NR) FREQUENCY BANDS N38 (2570 TO 2620 MHZ) AND N41(2496 MHZ-2690 MHZ) APPLICATIONS

IF 0.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Progress in Electromagnetics Research Letters Pub Date : 2022-01-01 DOI:10.2528/pierl22021401

M. Morsy

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引用次数: 3

Abstract

|This article presents a compact, low pro(cid:12)le, four ports multiple-input-multiple-output (MIMO) antenna operating at the n38 and n41 5G frequency bands. The antenna has a measured (cid:0) 10 dB bandwidth of 2.5{2.9 GHz with isolation less than (cid:0) 11 dB. The designed antenna system employs open slot radiators etched on a single-sided rectangular PCB substrate with a total size of 40 (cid:2) 100 mm 2 , including a ground plane. The open slot radiators are symmetrically printed at the four corners of the rectangular substrate. The radiators are excited by 50-Ω strip lines. Rectangle-shaped slits are used as decoupling structures. MIMO parameters such as the envelope correlation coeﬃcient (ECC), channel capacity loss (CCL), and mean eﬀective gain (MEG) are calculated using the measured results. The ECC is less than 0.1 over the entire operating band despite the antenna’s small size. The proposed antenna shows good performance in two sub-6-GHz frequency bands for 5G NR applications: n38 (2570 to 2620 MHz) and n41 (2496 MHz{2690 MHz).

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4端口平面mimo天线，使用开槽散热器，用于5g新无线电(nr)频段n38(2570至2620 mhz)和n41 (2496 mhz -2690 mhz)应用

本文介绍了一种工作在n38和n41 5G频段的紧凑型，低pro(cid:12)le，四端口多输入多输出(MIMO)天线。该天线的实测(cid:0) 10db带宽为2.5{2.9 GHz，隔离度小于(cid:0) 11db。所设计的天线系统采用在单面矩形PCB基板上蚀刻的开槽散热器，总尺寸为40 (cid:2) 100mm2，包括接地面。所述开槽散热器对称地印在所述矩形基板的四个角上。散热器由50条-Ω带状线激励。矩形狭缝作为解耦结构。MIMO参数，如包络相关系数(ECC)、信道容量损耗(CCL)和平均有效增益(MEG)的计算使用测量结果。尽管天线的尺寸很小，但整个工作频带的ECC小于0.1。该天线在n38 (2570 ~ 2620 MHz)和n41 (2496 MHz{2690 MHz)两个低于6 ghz的频段上表现良好，适用于5G NR应用。

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

Progress in Electromagnetics Research Letters ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.20

自引率

11.10%

发文量