Design of a Wideband Highly Directive EBG Antenna Using Double-Layer Frequency Selective Surfaces and Multifeed Technique for Application in the Ku-Band

被引：35
作者：
Moustafa, Lina [1 ]
Jecko, Bernard [1 ]
机构：
[1] Xlim Lab, OSA Dept, F-87060 Limoges, France
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Broadband antenna; electromagnetic band-gap (EBG) antenna; evanescent mode; frequency selective surface (FSS); highly directive antenna; multifeeding; positive phase slope;
D O I：
10.1109/LAWP.2010.2047630
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：
We have shown in previous works that the use of double-layer frequency selective surface (FSS) in the superstrate of an electromagnetic band-gap (EBG) antenna provides a radiation bandwidth improvement. Nevertheless, such an antenna is still not directive enough for some applications. To increase its gain, the antenna will be fed using the multisource feeding technique. This principle is applied to design a wideband highly directive antenna operating in the Ku-band. When the radiation bandwidth corresponding to the realized gain is equal to 14% for a maximal gain of 22.5 dB, 17% of radiation bandwidth is obtained for a maximal directivity of 23 dB.
引用
收藏
页码：342 / 346
页数：5
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