A Broadband Dual-polarized Antenna for Sub-6 GHz Base Station Application

2020 IEEE 3rd International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2020-11-13 DOI:10.1109/ICEICT51264.2020.9334369

Bosong Qiu, Shengyuan Luo, Yingsong Li

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引用次数: 5

Abstract

A broadband dual-polarized antenna for base station application is proposed in this paper. The proposed antenna is composed of the main radiator elements, feeding baluns, lower-substrate, and ground plane. Two pairs of quarter-circle dipoles are designed as the main radiator to achieve the dual-polarized characteristic. The devised dipole antenna is excited by the two integrated baluns with convex portions, which is fed by 50 Ω coaxial. Both the main radiator elements and lower-substrate placed on the ground plane are connected by convex portions to ensure structural stability and electrical connection. By simulating and optimizing in the CST, the results show that 22% (4.0-5.0 GHz) impedance bandwidth is achieved. Moreover, high isolation and stable radiation patterns are also obtained over the operating frequency band. With the advantages of concrete structure, high gain, and low cost, the broadband dual-polarized antenna is designed, which is suitable for Sub-6 GHz communication for the base station.

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一种适用于6 GHz以下基站的宽带双极化天线

提出了一种适用于基站的宽带双极化天线。所提出的天线由主辐射元件、馈电平衡器、下基板和接地面组成。设计了两对四分之一圆偶极子作为主辐射体，实现了双极化特性。所设计的偶极子天线是由两个带凸部分的集成平衡器激励的，该平衡器由50 Ω同轴馈电。主散热器元件与放置在地平面上的下基板均采用凸部连接，以保证结构稳定和电气连接。通过在CST中进行仿真和优化，结果表明该电路的阻抗带宽达到22% (4.0-5.0 GHz)。此外，在工作频带内还获得了高隔离度和稳定的辐射方向图。利用混凝土结构、高增益、低成本等优点，设计了适用于基站Sub-6 GHz通信的宽带双极化天线。

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

2020 IEEE 3rd International Conference on Electronic Information and Communication Technology (ICEICT)

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