Vertical-Polarized Tri-Band Monopolar Antenna With Controllable and Stackable Notched Frequencies

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-02-10 DOI:10.1109/LAWP.2025.3539426

You Li;Jian-Dong Peng;Liang Hua Ye

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引用次数: 0

Abstract

A new scheme of stacking tri-notched frequencies is introduced to develop a tri-band omnidirectional antenna with vertical polarization. In this scheme, a ground plane and a three-sector M-shaped sheet with a top-loaded patch are excited by a 50 Ω coaxial cable, aiming to achieve excellent impedance and vertical-polarized omnidirectional radiation performance within a broad bandwidth. Subsequently, a three-sector fan-shaped patch with three metal holes, three I-shaped slots and three 1.0λ resonant rings are successively introduced to create two stopbands at 2.75 GHz to 3.25 GHz and 4.25 GHz to 4.37 GHz, thereby dividing the ultra-broad band into three desired bands. In our design, the notched bands can be controlled by altering the sizes of the fan-shaped patch, metal hole, I-shaped slot, and resonant ring. The test results indicate that the proposed antenna has three operating bands at 1.44 GHz to 2.76 GHz, 3.19 GHz to 4.36 GHz, and 4.50 GHz to 4.70 GHz. The tri-band antenna also has good omnidirectivity and a low profile of

$0.049\lambda _{\mathrm{m}}$

(

$\lambda _{\mathrm{m}}$

stands for the maximum wavelength in the operating band), indicating its suitability for indoor communication in the bands of FDD/DCS/PCS/UMTS, LTE, and 5G NR n77/partial n79.

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具有可控和可堆叠陷波频率的垂直极化三波段单极天线

提出了一种新的三陷波频率叠加方案，用于研制垂直极化的三波段全向天线。在该方案中，利用50 Ω同轴电缆激励一个接地面和一个顶部加载贴片的三扇形m形片，旨在在宽带宽内实现优异的阻抗和垂直极化全向辐射性能。随后，在2.75 GHz至3.25 GHz和4.25 GHz至4.37 GHz的频段上，依次引入具有3个金属孔、3个i型槽和3个1.0λ谐振环的扇形三扇形贴片，形成两个阻带，从而将超宽带划分为3个所需频段。在我们的设计中，缺口带可以通过改变扇形贴片、金属孔、i形槽和谐振环的尺寸来控制。测试结果表明，该天线具有1.44 GHz ~ 2.76 GHz、3.19 GHz ~ 4.36 GHz和4.50 GHz ~ 4.70 GHz三个工作频段。该三波段天线还具有良好的全向性和$0.049\lambda _{\mathrm{m}}$的低轮廓（$\lambda _{\mathrm{m}}$代表工作频段的最大波长），适合FDD/DCS/PCS/UMTS、LTE和5G NR n77/partial n79频段的室内通信。

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

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.