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Circularly Polarised Dielectric Resonator based Two Port Filtenna for Millimeter-Wave 5G Communication System
IETE Technical Review ( IF 2.4 ) Pub Date : 2022-02-02 , DOI: 10.1080/02564602.2022.2028588
Ashish Kumar 1 , Ajay Kumar Dwivedi 2 , K. N. Nagesh 2 , Anand Sharma 1 , Pinku Ranjan 3
Affiliation  

In this paper, a circularly polarised dielectric resonator-based MIMO filtering antenna is designed and analyzed. The unique feature of the proposed antenna is the combination of circular polarisation characteristics with filtering response at mm-wave. Cylindrical ceramic excited by asymmetrical plus-shaped slot provides two important characteristics: (a) generate dual orthogonal degenerated mode with 900 phase shifts in between 27.0 GHz and 27.33 GHz; and (b) produce the radiation nulls at 25.5 and 27.75 GHz respectively. Two identical ports are placed orthogonally to provide the lesser mutual coupling i.e. approx. −30 dB. Experimental outcomes confirm the operating band of the proposed antenna from 25.5 GHz to 27.79 GHz. In between the operating frequency range, the proposed radiator provides broadside radiation characteristics due to the creation of HEM11δ mode. The peak gain of the proposed antenna is about 5.0 dBi. Diversity parameters (such as ECC, DG, and TARC) are within satisfactory limits. All these properties of the proposed radiator make it fit for a 5G communication system.



中文翻译:

用于毫米波 5G 通信系统的基于圆偏振介质谐振器的双端口滤波器

本文设计并分析了一种基于圆极化介质谐振器的MIMO滤波天线。所提出的天线的独特之处在于圆极化特性与毫米波滤波响应的结合。由非对称加形槽激发的圆柱形陶瓷具有两个重要特性:(a) 在 27.0 GHz 和 27.33 GHz 之间产生具有 90 0相移的双正交退化模式;(b) 分别在 25.5 和 27.75 GHz 产生辐射零点。两个相同的端口正交放置以提供较小的相互耦合,. 约 −30 分贝。实验结果证实了所提出天线的工作频段为 25.5 GHz 至 27.79 GHz。在工作频率范围之间,所提出的辐射器由于产生了宽边辐射特性11δ模式。拟议天线的峰值增益约为 5.0 dBi。分集参数(如 ECC、DG 和 TARC)在令人满意的范围内。所提议的辐射器的所有这些特性使其适用于 5G 通信系统。

更新日期:2022-02-02
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