A Low-Profile Hybrid-Fed Dual-Polarized Antenna with High Isolation and High Cross-Polar Discrimination

IF 0.6 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Applied Computational Electromagnetics Society Journal Pub Date : 2021-01-01 DOI:10.47037/2021.aces.j.36097

M. Çiydem, E. A. Miran

引用次数: 1

Abstract

─ This work presents a wideband hybrid-fed ±45o linear dual-polarized patch antenna design for sub6 GHz 5G base stations. Two polarizations are created by a slot-coupling with rectangular H-slot (+45) and a capacitive coupling with modified L-probe (−45). Antenna exhibits wideband −10 dB impedance bandwidths of 40.7% and 35.6% for slot-fed and probe-fed ports, respectively. Due to the special design of suspended stacked patches with hybrid-fed excitations, high port isolation (< −47 dB) and high cross-polar discrimination (> 38 dB) are achieved. Symmetric and directional radiation patterns with stable gain are obtained in E and H planes for each polarization. Compared to its bandwidth, antenna is low-profile (10.6 mm) with front-to-back ratio greater than 22 dB. Simulations and experimental results are reported and discussed. Index Terms ─ 5G base station, cross-polar discrimination, dual-polarization, hybrid feeds, isolation, low-profile, massive MIMO, sub-6 GHz, wideband patch antenna.

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一种高隔离、高交叉极化判别的低轮廓混合馈电双极化天线

这项工作提出了一种用于sub - 6 GHz 5G基站的宽带混合馈电±45°线性双极化贴片天线设计。两个极化是由一个带矩形h型槽的槽耦合(+45)和一个带改良l型探头的电容耦合(- 45)产生的。天线的宽带- 10 dB阻抗带宽分别为40.7%和35.6%，用于槽馈电和探针馈电端口。由于具有混合馈电激励的悬浮堆叠贴片的特殊设计，实现了高端口隔离(< - 47 dB)和高交叉极性鉴别(> 38 dB)。在E面和H面分别获得了具有稳定增益的对称和定向辐射图。与带宽相比，天线外形小巧(10.6 mm)，前后比大于22 dB。对仿真和实验结果进行了报道和讨论。索引术语─5G基站、交叉极化分辨、双极化、混合馈电、隔离、低调、大规模MIMO、低于6 GHz、宽带贴片天线。

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

Applied Computational Electromagnetics Society Journal 工程技术-电信学

CiteScore

1.60

自引率

28.60%

发文量

审稿时长

9 months

期刊介绍： The ACES Journal is devoted to the exchange of information in computational electromagnetics, to the advancement of the state of the art, and to the promotion of related technical activities. A primary objective of the information exchange is the elimination of the need to "re-invent the wheel" to solve a previously solved computational problem in electrical engineering, physics, or related fields of study. The ACES Journal welcomes original, previously unpublished papers, relating to applied computational electromagnetics. All papers are refereed. A unique feature of ACES Journal is the publication of unsuccessful efforts in applied computational electromagnetics. Publication of such material provides a means to discuss problem areas in electromagnetic modeling. Manuscripts representing an unsuccessful application or negative result in computational electromagnetics is considered for publication only if a reasonable expectation of success (and a reasonable effort) are reflected. The technical activities promoted by this publication include code validation, performance analysis, and input/output standardization; code or technique optimization and error minimization; innovations in solution technique or in data input/output; identification of new applications for electromagnetics modeling codes and techniques; integration of computational electromagnetics techniques with new computer architectures; and correlation of computational parameters with physical mechanisms.