Dual-band dual-polarized hybrid cylindrical dielectric resonator antenna for wireless applications

2017 Progress In Electromagnetics Research Symposium - Spring (PIERS) Pub Date : 2017-05-01 DOI:10.1109/PIERS.2017.8262114

Anand Sharma, Gourab Das, R. Gangwar

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引用次数: 5

Abstract

This article presents design and analysis of dual-band dual-polarized hybrid dielectric resonator antenna for WLAN/WiMAX applications. Four important features of proposed article are: (i) Hexagon shaped aperture is act as radiator and feeding structure for cylindrical DRA (CDRA); (ii) dual hybrid radiating modes (HEM11δ and HEM12δ mode) are generated in CDRA with broadsided radiation characteristics; (iii) circular polarization (CP) characteristic in upper frequency band is formed by stuffing quarter annular line with straight microstrip line; (iv) sense of polarization of CP wave can be controlled by changing the position of quarter annular line. The parametric analysis of proposed antenna design has been carried out on HFSS EM simulator. The optimized results are verified by CST-MWS. The proposed antenna design is operating over two frequency ranges, i.e., 2.58–2.96 GHz and 4.83–5.93 GHz with the fractional bandwidth 13.71% and 20.44% respectively. 3-dB axial ratio bandwidth is approximately 8.09 % (4.83–5.35 GHz) in upper frequency band.

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用于无线应用的双频双极化混合圆柱形介质谐振器天线

本文介绍了用于WLAN/WiMAX应用的双频双极化混合介质谐振器天线的设计与分析。本文的四个重要特点是:(1)采用六边形孔径作为圆柱形DRA (CDRA)的散热器和进料结构;(ii) CDRA产生双杂化辐射模式(HEM11δ和HEM12δ模式)，具有宽边辐射特征;(iii)用直微带线填充四分之一环形线形成上频段圆极化(CP)特性;(4)改变四分之一环线的位置可以控制CP波的极化感。在HFSS电磁模拟器上对所提出的天线设计进行了参数化分析。优化结果经CST-MWS验证。该天线设计工作在2.58 ~ 2.96 GHz和4.83 ~ 5.93 GHz两个频率范围内，分数带宽分别为13.71%和20.44%。上频段3db轴比带宽约为8.09% (4.83 ~ 5.35 GHz)。

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2017 Progress In Electromagnetics Research Symposium - Spring (PIERS)

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