Dual-band beam tilting antenna with low profile negative refractive index metamaterial

被引：7

作者：

Ayyadurai, Kamalaveni ^{[1
]}

Muthu, Ganesh Madhan ^{[1
]}

机构：

[1] Anna Univ, Dept Elect Engn, MIT Campus, Chennai, Tamil Nadu, India

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2019年 / 13卷 / 04期

关键词：

bow-tie antennas; refractive index; antenna radiation patterns; multifrequency antennas; metamaterial antennas; dipole antenna arrays; dual band NRIM unit cell; conventional double negative meta-material structure; NRIM array; dipole antenna; NRIM dipole; array antennas; low profile negative refractive index metamaterial; dual band negative refractive index metamaterial loaded beam tilting antenna; dual band quarter wave bow-tie dipole; beam tilting antennas; frequency; 2; 0; GHz; 3; 5; FREQUENCY;

D O I：

10.1049/iet-map.2018.5268

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：

A dual band negative refractive index metamaterial (NRIM) loaded beam tilting antenna has been proposed for 5G applications. The proposed antenna comprises of a dual band quarter wave bow-tie dipole with NRIM array fixed above the ground plane. The dual band NRIM unit cell is derived from the conventional double negative meta-material structure. When NRIM arrays have been integrated with dipole antenna at optimum distance and height, the main beam is deflected by 34.5 degrees and 45 degrees with peak gain of 8.1 and 8.93 dB at 2 and 3.5 GHz, respectively. Unlike the conventional beam tilting antennas, no gain reduction observed for both the bands when the beam is tilted, instead gain has been improved about 0.53 and 1.02 dB at lower and higher bands, respectively. Furthermore, the application of the proposed NRIM dipole in array antennas has been studied and discussed.

引用

页码：466 / 471

页数：6

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