基于高阻抗表面的低剖面天线设计  

作　　者：刘松林 

机构地区：[1]成都汉芯国科集成技术有限公司,成都610000

出　　处：《科技创新与应用》2022年第24期108-111,共4页Technology Innovation and Application

基　　金：毫米波国家重点实验室开放研究计划(批准号:No.K201926)。

摘　　要：该文提出一种基于高阻抗反射表面(HIS)的宽带低剖面基站天线,天线采用平面微带偶极子天线结构进行设计,另外通过设计高阻抗反射单元,使其在设计频段内的反射相位在±90°内来代替传统的理想导体反射表面,可以有效降低天线的剖面高度,并通过制作天线实物进一步验证方法的正确性。实测结果表明,制作的低剖面天线在800-960 MHz频段内具有良好的频率响应。其中,驻波系数(VSWR)小于1.8,天线增益整个频带内在7 dB以上,整体剖面高度小于20 mm。This paper presents a broadband low profile base station antenna based on high-impedance reflective surface(HIS).The antenna is designed with planar microstrip dipole antenna structure.In addition,by designing a high impedance reflection unit,the reflection phase in the designed frequency band is within±90°to replace the traditional ideal conductor reflection surface,which can effectively reduce the profile height of the antenna and further verify the correctness of the method by making the antenna.The measured results show that the low-profile antenna has a good frequency response in the 800~960 MHz frequency band.Among them,the voltage standing wave ratio(VSWR)is less than 1.8,the antenna gain is above 7 dB in the whole frequency band,and the overall profile height is less than 20 mm.

关 键 词：宽带 高阻抗反射表面 偶极子天线 低剖面 高增益 

分 类 号：TN822[电子电信—信息与通信工程]