Dual band circularly polarized partially reflecting surface-loaded dielectric resonator-based MIMO antenna for mm-wave 5G applications

IF 1.4 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Microwave and Wireless Technologies Pub Date : 2024-01-26 DOI:10.1017/s1759078724000163

Pawan Kumar Shukla, Sikandar, Vijay Shanker Tripathi, Anand Sharma

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引用次数: 0

Abstract

A two-port ceramic-based antenna loaded with partially reflecting surface (PRS) is structured and explored. Fan-shaped slot is utilized to create circularly polarized wave in both frequency ranges. Dual frequency ranges are due to hybrid mode creation inside the ceramic material, i.e. HEM11δ and HEM12δ modes. PRS is used to change the phase gradient, which in turn tilts the radiation beam (±35°) obtained from different port in opposite direction. This concept is useful to reduce the envelop correlation coefficient using far-field. Experimental verification confirms that the designed antenna works from 26.1 to 27.5 GHz and 31.7 to 33.6 GHz along with less than 3-dB axial ratio from 26.5 to 27.1 GHz and 31.9 to 33.1 GHz respectively. Orthogonal placement of ports introduces the concept of polarization diversity and decreases the coupling between ports by an amount of −25 dB. Good gain value (up to 7.0 dBi) and better value of diversity performance make the designed radiator applicable for 5 G millimeter-wave uses.

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用于毫米波 5G 应用的基于介质谐振器的双波段圆极化部分反射表面加载多输入多输出天线

我们对装有部分反射面（PRS）的双端口陶瓷天线进行了结构设计和研究。利用扇形槽在两个频率范围内产生圆极化波。双频率范围是由于陶瓷材料内部产生了混合模式，即 HEM11δ 和 HEM12δ 模式。PRS 用于改变相位梯度，进而将从不同端口获得的辐射光束（±35°）向相反方向倾斜。这一概念有助于利用远场降低包络相关系数。实验验证证实，所设计的天线在 26.1 至 27.5 千兆赫和 31.7 至 33.6 千兆赫的频率范围内均能正常工作，在 26.5 至 27.1 千兆赫和 31.9 至 33.1 千兆赫的频率范围内轴向比均小于 3 分贝。端口的正交放置引入了极化分集的概念，并将端口间的耦合降低了 -25 dB。良好的增益值（高达 7.0 dBi）和更好的分集性能值使得所设计的辐射器适用于 5 G 毫米波用途。

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来源期刊

International Journal of Microwave and Wireless Technologies ENGINEERING, ELECTRICAL & ELECTRONIC-TELECOMMUNICATIONS

CiteScore

3.50

自引率

7.10%

发文量

130

审稿时长

6-12 weeks

期刊介绍： The prime objective of the International Journal of Microwave and Wireless Technologies is to enhance the communication between microwave engineers throughout the world. It is therefore interdisciplinary and application oriented, providing a platform for the microwave industry. Coverage includes: applied electromagnetic field theory (antennas, transmission lines and waveguides), components (passive structures and semiconductor device technologies), analogue and mixed-signal circuits, systems, optical-microwave interactions, electromagnetic compatibility, industrial applications, biological effects and medical applications.