摘要
研究了一种微带线馈电的双倒L形双频MIMO印刷天线结构,通过在倒L单极子结构上加载一条倒L形地板枝节,实现了天线的双频特性;通过在天线单元之间加载一条T形去耦枝节,有效提高了天线单元之间的隔离度。实验结果表明,天线在S11≤-10 dB时,工作频段分别为2.39~2.53 GHz和4.92~6.15 GHz,相对带宽分别为5.7%和22.2%,工作频段内隔离度均大于18 dB。此外,天线整体辐射特性较好,结构简单并易于制作,可应用于WLAN无线通信系统。
A printed dual-band MIMO antenna was investigated,which has double-inverted L-shaped structure with microstrip line feed.The dual-band of the antenna were achieved using an inverted L-shaped floor branch on an inverted L monopole structure.The isolation was effectively improved by loading a T-shaped decoupling branch between the antenna elements.The experimental results show that at S11≤-10 dB the operating bands are 2.39-2.53 GHz and 4.92-6.15 GHz with relative bandwidth of 5.7%and 22.2%respectively.The isolation in the working band is larger than 18 dB.The antenna also excel in overall radiation characteristics,simple structure and easy fabrication,which merits their applications in WLAN wireless communication system.
作者
严冬
丁楚尘
易兆
张力弓
胡安沙
YAN Dong;DING Chuchen;YI Zhao;ZHANG Ligong;HU Ansha(College of Automation,Chongqing University of Posts and Telecommunications,Chongqing 400065,China)
出处
《电子元件与材料》
CAS
CSCD
北大核心
2020年第3期82-87,共6页
Electronic Components And Materials
基金
国家重点研发计划(2017YFB1303704)
重庆市科技重大主题专项(cstc2018jszx-cyztzxX0028,cstc2017rgzn-zdyfX0038)
重庆市社会事业与民生保障项目(cstc2018jscx-msybX0022)。
