Reconfigurable dielectric resonator antenna with multiple polarisation states

被引：19
|
作者：
Dhar, Sayantan [1 ]
Patra, Kaushik [2 ]
Ghatak, Rowdra [3 ]
Gupta, Bhaskar [2 ]
Poddar, Dipak Ranjan [2 ]
机构：
[1] Heritage Inst Technol, Dept Elect & Commun Engn, Kolkata, India
[2] Jadavpur Univ, Dept Elect & Telecommun Engn, Kolkata, India
[3] Natl Inst Technol Durgapur, Dept Elect & Commun Engn, Durgapur, India
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2018年 / 12卷 / 06期
关键词：
dielectric resonator antennas; microstrip lines; antenna radiation patterns; antenna feeds; reconfigurable dielectric resonator antenna; multiple polarisation states; multiple switchable states; microstrip line; cross-slot aperture; circular polarisation; PIN diodes; cross slots; FREQUENCY; PERFORMANCE; DIVERSITY; PATTERN;
D O I：
10.1049/iet-map.2017.0864
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 realisation of an electronically tuned polarisation reconfigurable dielectric resonator antenna with multiple switchable states is described in this study. The antenna is fed by a microstrip line through a cross-slot aperture placed in the ground plane to achieve circular polarisation. PIN diodes have been placed across the cross slots to control their effective dimensions and thereby its sense of polarisation. The antenna is connected to a microcontroller (ARDUINO-UNO) to switch between corresponding polarisation states. Simulated results of the antenna are verified with experimental data. The antenna has an impedance bandwidth of about 20% for all four states of polarisations. The antenna also radiates with a gain of 4dB over the entire band.
引用
收藏
页码：895 / 902
页数：8
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