Gain enhancement for wide bandwidth endfire antenna with I-shaped resonator (ISR) structures

被引：26
作者：
Sun, Y. H. [1 ]
Wen, G. J. [1 ]
Jin, H. Y. [1 ]
Wang, P. [1 ]
Huang, Y. J. [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Commun & Informat Engn, Ctr RFIC & Syst Technol, Chengdu 611731, Peoples R China
来源：
ELECTRONICS LETTERS | 2013年 / 49卷 / 12期
基金：
高等学校博士学科点专项科研基金;
关键词：
QUASI-YAGI ANTENNA; BAND;
D O I：
10.1049/el.2013.1198
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A broadband gain enhancement endfire antenna is presented. The gain enhancement is achieved by loading with an I-shaped resonator (ISR) structure in the endfire direction. Broad bandwidth is realised by using a microstrip-to-coplanar balun and bowtie dipole elements, while gain enhancement is achieved by loading the ISR structure in the endfire direction. The measurements show that the ISR-loaded antenna presents a gain of about 4-8 dB in the whole working band (4.5-9.5 GHz), which is about 2 dB more than the unloaded one. The advantages of broad bandwidth and high gain make this antenna valuable in wireless communication systems.
引用
收藏
页码：736 / +
页数：2
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