Log-periodic enactment of a novel patch with square DGS for Ku-band applications

A novel Log periodic patch with a circular slot antenna has been presented here, the perturbation of the shape of the antenna has been done by combining a triangular shape with a semicircular shape. The antenna proposed here is with a DGS structure on its ground plane and its effects on bandwidth an...

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Bibliographic Details
Published in:Journal of King Saud University. Engineering sciences 2023-03, Vol.35 (3), p.207-214
Main Authors: Panda, Ribhu Abhusan, Mishra, Debasis
Format: Article
Language:English
Subjects:
Antenna Gain
DGS
Ku-Band
Log-periodic
Perturbed patch
S-parameter
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Summary:A novel Log periodic patch with a circular slot antenna has been presented here, the perturbation of the shape of the antenna has been done by combining a triangular shape with a semicircular shape. The antenna proposed here is with a DGS structure on its ground plane and its effects on bandwidth and gain enhancement of the antenna are analyzed. The substrate of FR-epoxy material with length, breadth and height 170 mm, 50 mm and 1.6 mm, respectively is taken for implementation of the antenna on it. This proposed antenna operates at 12 GHz to 18 GHz which includes Ku-band with return loss below-10 dB. The parameters of antenna like S-parameters, antenna gain, directivity, VSWR, surface current distribution and radiation efficiency are determined one by one to ascertain its better performance. The simulation as well as the measurement results are comparatively analyzed.
ISSN:1018-3639
1018-3639
DOI:10.1016/j.jksues.2021.03.015