一种用于无线局域网的双频带印刷偶极子天线  

A Compact Dual-band Printed Dipole Antenna for WLAN Applications

作　　者：彭超[1] 

机构地区：[1]西安电子科技大学电子工程学院,陕西西安710071

出　　处：《电子科技》2010年第12期27-29,共3页Electronic Science and Technology

摘　　要：介绍了一种运用于无线局域网的小型化印刷偶极子天线,它采用对偶极子两个臂开槽结构,使其获得双频带和小型化的特性。采用基于耦合馈电的巴伦馈电方式,使天线具有宽带匹配、结构简单、制作方便、易于集成到无线通信设备中的优点。仿真结果表明,在2.4 GHz和5.8 GHz两个频带的带宽分别为590 MHz（2.13-2.72 GHz约24.33%）和700 MHz（5.24-5.94 GHz约12.52%）,而且方向图比较理想。该天线的主要优点是结构简单、体积小、低剖面、成本低、易共形,能够满足WLAN的需要。A compact dual-band printed dipole antenna for WLAN（2.4 GHz/5.8 GHz）applications is proposed and analyzed.The antenna structure is achieved by making a slot in the dipole＇s arms to obtain the characteristics of miniature and dual-band.The Balun feed which is based on coupling feed gives the antenna the advantages of wide-band matching,simple structure,convenience in manufacturing and easy integration to wireless communication equipments.The simulation results show that the bandwidth with a VSWR less than two is about 590 MHz（2.13-2.72 GHz about 24.33%） and 700 MHz（5.24-5.94 GHz about 12.52%） for the 2.4 GHz and 5.8 GHz bands,respectively.Well shaped patterns are also achieved.The antenna has the important advantages of simple structure,small size,low profile,low cost and great compatibility,which can meet the demand of the WLAN applications.

关 键 词：WLAN 双频天线 印刷偶极子 巴伦 

分 类 号：TN821.4[电子电信—信息与通信工程]