A Three-Band Substrate Integrated Waveguide Leaky-Wave Antenna Based on Composite Right/Left-Handed Structure

被引：43

作者：

Haghighi, Seyed Sasan ^{[1
]}

Heidari, Abbas-Ali ^{[1
]}

Movahhedi, Masoud ^{[1
]}

机构：

[1] Yazd Univ, Dept Elect & Comp Engn, Yazd 89195741, Iran

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 10期

关键词：

Composite right/left-handed transmission line (CRLH/TL); leaky-wave antenna (LWA); substrate integrated waveguide (SIW); three-band;

D O I：

10.1109/TAP.2015.2456951

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：

In this communication, the design and implementation of a three-band substrate integrated waveguide (SIW) leaky-wave antenna (LWA) based on the composite right/left-handed (CRI,H) structure is presented. CRLH unit cell of the proposed antenna is composed of two adjacent interdigital slots with two vias between them. Two CRLII bands along with a new right-handed (RH) hand between them are achieved through this structure. The first CRLH band (7.1-10.75 GHz) is balanced and the second one (15.1-21.75 GlIz) is unbalanced with 0.25-GIIz stop hand. Beam scan angle in the first CRI,H hand is from 78 degrees to +78 degrees, in the second one from 40 degrees to +20 degrees and in the new Rh band (12.6 13.4 GlIz) from +22 degrees to +54 degrees. Antenna radiation efficiency in the first CRLH band is about 90%. Simulated and measured results are compared and there is a good agreement between them.

引用

页码：4578 / 4582

页数：5

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