A Millimeter-Wave Polarization-Reconfigurable Double-Folded Antenna Array

被引:1
|
作者
Jabri, A. [1 ]
Asadallah, F. [1 ]
Tawk, Y. [1 ]
Costantine, J. [1 ]
机构
[1] Amer Univ Beirut, Dept Elect & Comp Engn, Beirut 11072020, Lebanon
来源
关键词
Circular polarization; foldable feeding network; millimeter wave arrays; reconfigurable polarization; GUIDE;
D O I
10.1109/LAWP.2023.3238019
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This letter introduces a double-folded, polarization-reconfigurable, dual-antenna array for millimeter-wave communications. The proposed structure reconfigures its polarization by supporting either left- or right-handed circularly polarized radiation with a maximum realized gain that reaches up to 15.8 dBic for each state. Reconfiguration is achieved through the activation of a single-pole-double-throw switch. A dedicated folded feeding network with a triangular power distribution is designed to achieve the required in-phase power distribution between the ten radiating elements that compose each antenna array. The folded feeding network eliminates the need for a stacked design with integrated vias, which reduces undesired interferences and inductive parasitic effects. The fabricated prototype validates the operation of the proposed reconfigurable structure where a measured axial ratio that is less than 3 dB is achieved between 28.8 and 31.2 GHz with a measured half-power beamwidth of 13 degrees along the direction of maximum radiation.
引用
收藏
页码:2060 / 2064
页数:5
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