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Circularly polarized dielectric resonator-based multiple input multiple output antenna with pattern and polarization diversity for vehicular applications
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2021-06-08 , DOI: 10.1002/cta.3078
Komal Srivastava 1 , Ajay Kumar Dwivedi 2 , Anand Sharma 1
Affiliation  

In this article, a modified layout of cylindrical dielectric material-based, resonator-type multiple input multiple output antenna (MIMO) is presented. The beam tilting feature is achieved by using a conducting plate placed in the mid of two antenna elements. Dual frequency-band operation, that is, 2.4–4.02 and 4.78–6.21 GHz is obtained by sourcing the ring DRA electromagnetically with asymmetric S-shaped aperture via microstrip line. Dual CP waves are supported by the designed antenna within the operating frequency band, that is, 2.84–2.95 and 5.63–5.66 GHz. The two ports are placed in parallel. Some salient features of the designed antenna are (i) pattern diversity (θ = ±30° in XZ plane) is obtained between two parallel placed ports by applying conducting plate; (ii) polarization diversity is obtained by simply taking a mirror image of the proposed aperture. The most favorable value of diversity parameters of the suggested DR-based MIMO antenna makes it satisfactory for smart transport and vehicular communication applications in the sub-6-GHz range.

中文翻译:

基于圆极化介质谐振器的具有方向图和极化分集的多输入多输出天线,适用于车辆应用

在本文中,介绍了基于圆柱形电介质材料的谐振器型多输入多输出天线 (MIMO) 的改进布局。波束倾斜功能是通过使用放置在两个天线元件中间的导电板来实现的。双频带操作,即 2.4-4.02 和 4.78-6.21 GHz 是通过微带线以电磁方式提供具有非对称 S 形孔径的环形 DRA 获得的。设计的天线在工作频段内支持双 CP 波,即 2.84-2.95 和 5.63-5.66 GHz。两个端口平行放置。设计天线的一些显着特征是 (i) 方向图多样性 ( θ  = ±30° in XZ平面)是通过应用导电板在两个平行放置的端口之间获得的;(ii) 偏振分集是通过简单地拍摄所提出的孔径的镜像来获得的。建议的基于 DR 的 MIMO 天线的分集参数的最有利值使其满足低于 6 GHz 范围内的智能运输和车辆通信应用。
更新日期:2021-06-08
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