Analysis of a Compact and Superdirective Metamaterial-Inspired Monopole Antenna

被引：1
|
作者：
Dakhli, Saber [1 ,2 ]
Rmili, Hatem [3 ]
Mahdjoubi, Kourosh [4 ]
Floc'h, Jean-Marie [2 ]
Choubani, Fethi [1 ]
机构：
[1] Univ Carthage, InnovCom Lab, SUPCOM, Tunis 2083, Tunisia
[2] Univ Rennes 1, IETR, F-35042 Rennes, France
[3] King Abdulaziz Univ, Dept Elect & Comp Engn, Jeddah 21589, Saudi Arabia
[4] INSA, IETR, F-35043 Rennes, France
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2014年 / 2014卷
关键词：
ELECTRICALLY SMALL; BROAD-BAND; EFFICIENT;
D O I：
10.1155/2014/806379
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 directivity of a metamaterial-inspired compact (0.145 lambda(0)) monopole antenna was investigated. The proposed structure is composed of a split-ring resonator (SRR) parasitic element placed in the vicinity of a monopole antenna. Two configurations denoted by A1 and A2 were considered depending on the position of the slot in the SRR element. By analyzing simulated and measured results, the superdirectivity (7.5 dBi for A1 and 9 dBi for A2) of the structure was discussed. It is found that the monopole-SRR and/or ground plane-SRR coupling effects may be responsible for the superdirectivity of the structure.
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页数：10
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