A Wideband, High-Gain, CPW-Fed, Circularly-Polarized, L-Shaped Slot Antenna Array

被引:0
|
作者
Nosrati, Mehrdad [1 ]
Tavassolian, Negar [1 ]
机构
[1] Stevens Inst Technol, Dept Elect & Comp Engn, Hoboken, NJ 07030 USA
基金
美国国家科学基金会;
关键词
Circular polarization (CP); CPW antenna array; sequential rotation feeding technique; slot antenna;
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
A single-fed, wideband, circularly-polarized (CP), 2 x 2 antenna array is presented. The array feed design is based on the sequential rotation feeding technique. A compact, wideband, CP coplanar waveguide (CPW) slot antenna is proposed as each of the array elements. It is shown that the proposed antenna performance is significantly enhanced when it is placed in the array arrangement. The impedance bandwidth of the array is 66.7% (from 1.5 GHz to 3 GHz) and its axial ratio (AR) bandwidth is 53.2% (from 1.7 GHz to 2.95 GHz) for AR < 3 dB. The antenna array has a stable radiation pattern and a gain of greater than 6 dBi over the entire CP frequency band. The overall size of the antenna array is 170 mm x 170 mm.
引用
收藏
页码:2145 / 2146
页数:2
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