A printed CPW-fed slot-loop antenna with narrowband omnidirectional features

被引：14
|
作者：
Shynu, S. V. [1 ]
Ammann, M. J. [1 ]
机构：
[1] Dublin Inst Technol, Sch Elect & Commun Engn, Dublin 8, Ireland
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2009年 / 3卷 / 04期
关键词：
DUAL-BAND;
D O I：
10.1049/iet-map.2008.0198
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：
The design of a novel CPW-fed printed slot-loop antenna with narrowband omnidirectional attributes is proposed. The antenna geometry is selected to reduce slot coupling, thus achieving both a narrow bandwidth and an omnidirectional radiation pattern simultaneously. A gain of 2.1 dBi is accomplished with high radiation efficiency. Very narrow fractional impedance bandwidths as low as 2.9% are realised with good omnidirectional radiation characteristics. A technique providing unconstrained control of the bandwidth in the range of 1.7-6.9% is described.
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页码：673 / 680
页数：8
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