Performance Enhancement of Self-Polarizing Metallic EBG Antennas

被引：20

作者：

Arnaud, E. ^{[1
]}

Chantalat, R. ^{[2
]}

Monediere, T. ^{[1
]}

Rodes, E. ^{[1
]}

Thevenot, M. ^{[1
]}

机构：

[1] XLIM, Fac Sci & Tech, OSA Dept, F-87060 Limoges, France

[2] CISTEME, F-87069 Limoges, France

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷

关键词：

Self-polarizing metallic electromagnetic band-gap (EBG) antenna; circular polarization; matching antenna;

D O I：

10.1109/LAWP.2010.2051315

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：

This letter presents an original solution to solve the matching problem of the circularly self-polarizing electromagnetic band-gap (EBG) antennas. More precisely, a comprehensive method to design a self-polarizing EBG antenna will be detailed. This kind of antenna had been designed before, but it was very poorly matched. An iris-based matching system has been used here, which produced a satisfying return loss while deteriorating the axial ratio (AR). An original device will be introduced, which allowed us to compensate for this degradation. Finally, to validate this new structure, a 20-dBi antenna working around 9 GHz and showing an AR lower than 1 dB over a 100-MHz bandwidth has been conceived, realized, and successfully measured.

引用

页码：538 / 541

页数：4

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