Dual circular polarisation microstrip array antenna for WLAN/WiMAX applications

被引：16
|
作者：
Weng, C. -H. [1 ]
Liu, H. -W. [1 ]
Ku, C. -H. [2 ]
Yang, C. -F. [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
[2] Ming Chi Univ Technol, Dept Elect Engn, Taipei, Taiwan
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 09期
关键词：
RING ANTENNA;
D O I：
10.1049/el.2010.0636
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 planar 2 x 2 microstrip array antenna with dual circular polarisation (CP) is presented. This array can be reconfigured and operated with either the right-handed (RH) or left-handed (LH) CP by controlling the input state of the branch-line coupler. A prototype has been fabricated with a 0.4 mm-thick FR4 top layer for radiating elements and a 0.8 mm-thick FR4 bottom layer for a feeding network, where a 5 mm air spacing is inserted between them. Wide operating frequency ranges for RHCP and LHCP states can be achieved at about 1.55 GHz and 1.54 GHz, respectively. Good radiation properties across the operating band are also obtained so that the proposed array antenna is suitable for WLAN and WiMAX applications.
引用
收藏
页码：609 / U23
页数：2
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