A 2x4 Circularly Polarized Antenna Array for WLAN Applications

被引：0
|
作者：
Ong, C. S. [2 ]
Karim, M. F. [1 ]
Ong, L. C. [1 ]
Chiam, T. M. [1 ]
Alphones, A. [2 ]
机构：
[1] Inst Infocomm Res, RF & Opt Dept, Singapore, Singapore
[2] Nanyang Technol Univ, 50 Nanyang Ave, Singapore, Singapore
来源：
ASIA-PACIFIC MICROWAVE CONFERENCE 2011 | 2011年
关键词：
Circularly polarized antenna; 2x4 antenna array; SLOT ANTENNA; RECTENNA; DESIGN;
D O I：
暂无
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：
In this paper, a compact 2.45GHz circularly polarized (CP) antenna and a 2x4 antenna array are designed and fabricated. The CP characteristic is achieved using the unbalanced slots on the circular patch which subsequently makes the antenna compact. A 2x4 antenna array is designed using sequential rotation feeding scheme with a simulated axial ratio (AR) of more than 95MHz and gain of 12.5dBi. The measured return loss for the antenna element is greater than 20dB with a minimum axial ratio (AR) of 0.21dB. The measured return loss for the 2x4 array is greater than 15dB and the measured minimum axial ratio is 0.195dB with a 3dB AR bandwidth of 48MHz.
引用
收藏
页码：1846 / 1849
页数：4
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