A miniaturized frequency reconfigurable antenna with half-mode CRLH-embedded metamaterial arm

被引：4

作者：

Saha, Puspendu Bikash ^{[1
]}

Ghoshal, Dibyendu ^{[1
]}

Dash, Rajib Kumar ^{[1
]}

机构：

[1] Natl Inst Technol Agartala, Dept ECE, Agartala, India

来源：

JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2021年 / 35卷 / 03期

关键词：

Metamaterial; half-mode CRLH; reconfigurable antenna; C-band; X-band;

D O I：

10.1080/09205071.2020.1832587

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：

Metamaterial properties of a novel half-mode CRLH unit cell are investigated and hence a compact dual-wideband antenna is designed using an array of four unit cells. The negative refraction of the metamaterial cell is utilized to miniature the antenna. A via-free open stub, in combination with an interdigital capacitor, makes the half-mode CRLH unit cell. The proposed antenna operates at both C-band (6.2-6.8 GHz) and X-band (8.5-9.2 GHz). The dual-wideband antenna is enabled with frequency reconfigurability by incorporating RF PIN diode in its ground plane in the next design step. The ON-OFF conditions of the PIN diode electrically switch the antenna into dual-band and single-band modes, respectively. In OFF state of the diode, the antenna behaves as a monopole and operates in single-band mode resonating at C-band (5.9-6.5 GHz) only. The measured results of the fabricated sample are in good agreement with the simulated ones.

引用

页码：277 / 290

页数：14

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