A printed crescent patch antenna for ultrawideband applications

被引：63
作者：
Azenui, Ntsanderh C. [1 ]
Yang, H. Y. D. [1 ]
机构：
[1] Univ Illinois, Dept Elect & Comp Engn, Chicago, IL 60607 USA
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2007年 / 6卷
基金：
美国国家科学基金会;
关键词：
disc monopole; patch antenna; printed circuits; ultrawideband;
D O I：
10.1109/LAWP.2007.891522
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 miniaturized crescent-shape microstrip antenna is proposed for ultrawideband (3-10 GHz) applications. The crescent antenna is evolved from an elliptical patch antenna by carving a circular hole inside symmetrically. The circular aperture introduces an additional antenna in-band resonance and provides wider bandwidth with more design flexibility. The radiation characteristics of this crescent antenna are investigated with full-wave electromagnetic simulations and compared with an elliptical antenna. A crescent antenna prototype that occupies only 60% area of the elliptical patch is fabricated and tested. Antenna pattern and impedance measurements show good performance over the 3-10 GHz band with consistent radiation patterns, low cross polarization, and a substantial gain. The design method is also described.
引用
收藏
页码：113 / 116
页数：4
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