Dual band Orthogonal Polarized 2-port MIMO Antenna for Cognitive Radio Applications

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Advanced Electromagnetics Pub Date : 2024-01-28 DOI:10.7716/aem.v13i1.2164

S. Mohapatra, S. Das, J. R. Panda, S. Sahu, S. Raghavan

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引用次数: 0

Abstract

An arrangement of orthogonally aligned antennas over two planes of a substrate is designed in this paper. The design is a novel miniaturized cognitive model operating at LTE, C-band and X-band with sufficient band stop notch. The antenna is etched over a 0.8 mm thick FR-4 Epoxy substrate of dimension 15 mm x 15 mm. On one side the antenna is a hexagonal slotted microstrip antenna and on the other side is a partial CPW type hexagonal patch antenna. The top hexagonal patch antenna is a wide band from 1800 MHz to 12000 MHz. With the use of a slot on the patch creates one notch from 2240 MHz to 5090 MHz and another notch is created at 6200 MHz to 8100 MHz. Thus, the working bands comprise of LTE 1900, Wi-Fi 5G and X-band under a single polarization. Similarly, the second antenna has its first resonance at LTE 1900 and the second resonance at X-band with a polarization orthogonal to the antenna at top. Being a miniaturized antenna, the cognitive radio provides gain ranging from 2.0 dB at lower frequency to 5.4 dB at higher frequency. The isolation over the operating bands suggests non-interference between the antennas.

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用于认知无线电应用的双波段正交极化 2 端口多输入多输出天线

本文设计了在基板的两个平面上正交排列的天线。该设计是一种新型的微型认知模型，可在 LTE、C 波段和 X 波段工作，并具有足够的带挡缺口。天线蚀刻在厚度为 0.8 毫米、尺寸为 15 毫米 x 15 毫米的 FR-4 环氧树脂基板上。天线的一侧是六边形开槽微带天线，另一侧是部分 CPW 型六边形贴片天线。顶部六边形贴片天线的频带很宽，从 1800 MHz 到 12000 MHz。通过在贴片上使用插槽，可在 2240 MHz 至 5090 MHz 之间形成一个凹口，在 6200 MHz 至 8100 MHz 之间形成另一个凹口。因此，工作频段包括 LTE 1900、Wi-Fi 5G 和单极化下的 X 波段。同样，第二根天线的第一共振频段为 LTE 1900，第二共振频段为 X 波段，极化与顶部天线正交。作为一种微型天线，认知无线电的增益范围从低频的 2.0 dB 到高频的 5.4 dB 不等。工作频段上的隔离表明天线之间没有干扰。

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

Advanced Electromagnetics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.40

自引率

12.50%

发文量

审稿时长

10 weeks

期刊介绍： Advanced Electromagnetics, is electronic peer-reviewed open access journal that publishes original research articles as well as review articles in all areas of electromagnetic science and engineering. The aim of the journal is to become a premier open access source of high quality research that spans the entire broad field of electromagnetics from classic to quantum electrodynamics.