Broadband Dual-Polarized Phased Array With Dynamic Scanning Control for Intelligent Mobile Communication Application

被引:2
作者
Wang, Zhan [1 ]
Dong, Yuandan [1 ]
机构
[1] Univ Elect Sci & Technol China UESTC, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China
基金
中国国家自然科学基金;
关键词
Beamwidth reconfigurable antenna; dual-polarized antenna; dynamic radiation control; intelligent vehicular communication; phased array; wide beamwidth; ANTENNA-ARRAY; WIDE-BEAM; PATCH ANTENNA; LOW-SIDELOBE; 5G;
D O I
10.1109/TVT.2023.3274540
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 work investigates a low-cost, broadband, dual-polarized, beamwidth reconfigurable phased array for dynamic beam-scanning control. Both the beamwidth in the E-plane and H-plane are synchronously extended by introducing the vertically polarized (VP) field components. Then, by exploring a switch-loaded omnidirectional source, a novel dual-polarized wide/narrow beamwidth switchable or reconfigurable method is proposed. To meet the demand for intelligent mobile communication for dynamic beamsteering, the dual-polarized beamwidth reconfigurable radiator as the array element is used for the phased array or MIMO designs. As a proof of concept, an interesting four-element reconfigurable dual-polarized phased array is implemented in the Sub-6 GHz band. By controlling the switch states of each element, this array can be operated in two modes: wide-angle scanning coverage (V2V connection) and long-distance high-gain scanning (V2I communication). In wide-angle scanning mode, the main lobe of the array can scan from -60 degrees to +55 degrees, and its peak gain is 9.1 dBi. In long-distance high-gain scanning, this array can scan the beam in the range of [-35 degrees,+35 degrees] with a peak gain of 11.2 dBi. Besides, the isolation between different elements or polarization is greater than 13 dB. This reconfigurable phased array demonstrates the advantages of low-cost, broadband, and flexible beam-steering capability. It is expected to find broad applications in intelligent vehicular communication and low-cost phased array.
引用
收藏
页码:12480 / 12490
页数:11
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