摘要
提出并设计一款使用相互垂直解耦结构的紧凑型超宽带MIMO天线.天线由4个耳朵型的平面单极子天线单元组成.在地板上延伸出的带有平行金属带的倒L型枝节,能够拓展天线的带宽,同时改善天线端口间的隔离度.仿真和测试的结果表明天线在3.1~10.6GHz的带宽内隔离度在-20dB以下.同时给出了天线的增益、效率、辐射方向图和相关系数.
Compact UWB-MIMO antenna with mutually perpendicular decoupling structure was proposed. The antenna consisted of four ear-like planar monopole antenna elements. By adding the inverted L-shaped structure with the parallel strips in the ground, its bandwidth was greatly widened. At the same time, the isolation between the antenna ports was increased, too. The simulation and measurement results showed that the return losses and the isolations of the designed antenna all were below -10 dB and -20 dB across the UWB of 3.1-10.6 GHz, respectively. Furthermore, gains, radiation efficiencies, the radiation patterns and the correlation coefficients were presented.
出处
《安徽大学学报（自然科学版）》
CAS
北大核心
2017年第5期46-51,共6页
Journal of Anhui University(Natural Science Edition)
基金
国家自然科学基金资助项目(2013g067)
关键词
超宽带天线
解耦
倒L型结构
ultrawide band antenna
decoupling
inverted L-shaped structure
