scholarly journals SINGLE-FEED TRIPLE-BAND CIRCULARLY POLARIZED SPIDRON FRACTAL SLOT ANTENNA

2013 ◽  
Vol 143 ◽  
pp. 207-221 ◽  
Author(s):  
Thuy Nguyen Thi ◽  
Son Trinh-Van ◽  
Gina Kwon ◽  
Keum Cheol Hwang
Keyword(s):  
Slot Antenna ◽  
Circularly Polarized ◽  
Triple Band

A low-profile triple-band circularly polarized wide slot antenna for wireless systems

2018 ◽  
Vol 11 (1) ◽  
pp. 67-75 ◽  
Author(s):  
Shilpee Patil ◽  
A. K. Singh ◽  
Binod K. Kanaujia ◽  
R. L. Yadava
Keyword(s):  
Ground Plane ◽  
Wireless Systems ◽  
Axial Ratio ◽  
Slot Antenna ◽  
Slot Antennas ◽  
Circularly Polarized ◽  
Rectangular Patch ◽  
Low Profile ◽  
Good Agreement ◽  
Triple Band

AbstractA simple design for triple-band circularly polarized (CP) wide slot antennas is proposed and experimentally investigated. The proposed antenna having a microstrip-fed rectangular patch with T-shaped notch for triple-band operation and a modified wide square slot on ground plane for CP operation. The measured 10 dB reflection bandwidths are 1.24% (≈340 MHz from 2.56 to 2.9 GHz), 9.63% (≈430 MHz from 4.25 to 4.68 GHz), and 5.34% (≈490 MHz from 8.93 to 9.42 GHz). The generated 3 dB axial ratio bandwidths of the proposed antenna are 7.54, 8.98, and 1.65% at operating frequencies around 2.65, 4.45, and 9.09 GHz, respectively. The measured peak gains within the 3 dB axial ratio bands are 3.03, 3.5, and 5.64 dBi. The simulated and measured results for the return loss, axial ratio, and antenna gain show a good agreement, which validate the antenna design.

A wideband circularly polarized S ‐shaped slot antenna

2021 ◽  
Vol 31 (5) ◽  
Author(s):  
Wei He ◽  
Yejun He ◽  
Sai‐Wai Wong ◽  
Chao‐Hsiang Liao
Keyword(s):  
Slot Antenna ◽  
Circularly Polarized

S-Band Full-Metal Circularly-Polarized Cavity-Backed Slot Antenna with Wide Bandwidth and Wide Beamwidth

2021 ◽  
pp. 1-1
Author(s):  
Rui-Sen Chen ◽  
Lei Zhu ◽  
Sai-Wai Wong ◽  
Jing-Yu Lin ◽  
Yin Li ◽  
...  
Keyword(s):  
Slot Antenna ◽  
Wide Bandwidth ◽  
Circularly Polarized

A Nesting-L Slot Antenna With Enhanced Circularly Polarized Bandwidth and Radiation

2014 ◽  
Vol 13 ◽  
pp. 225-228 ◽  
Author(s):  
Guihong Li ◽  
Huiqing Zhai ◽  
Long Li ◽  
Changhong Liang
Keyword(s):  
Slot Antenna ◽  
Circularly Polarized
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