【作者】 张琳； 杨雪松； 王秉中；

【Author】 ZHANG Lin;YANG Xue Song;WANG Bing Zhong;School of Physical Electronics, University of Electronic Science and Technology of China;

【机构】 电子科技大学物理电子学院；

【摘要】 提出了一种结构简单、尺寸小、隔离度高的超宽带MIMO天线。天线尺寸为34×47 mm2,辐射单元为两个平面单极子天线。天线的两个单元反向放置,并采用类交指型结构将两个单元的地板连接起来,以实现高的隔离度。通过电磁仿真对天线进行了研究,结果表明,本天线在3.8-11.8 GHz频段上有超过20d B的隔离度和小于-10 d B的反射系数。天线可以很好地应用于无线通信中。更多还原

【Abstract】 A compact ultra-wideband(UWB) multiple-input-multiple-output(MIMO) antenna with high isolation and simple structure is proposed. The radiation elements of the designed MIMO antenna, which has a size of 34×47 mm2, are two planar monopole antennas. The two antenna elements are reversely printed on one side of the substrate. Furthermore, an interdigital-like structure connects the grounds of two antenna elements, to achieve great isolation within a wide frequency band. The simulated S parameters show that, this UWB MIMO antenna has good impedance and isolation performances, with |S11|≤-10 d B and |S21|≤-20 d B from 3.8 to 11.8 GHz. It can be used in wireless communications nicely.更多还原