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2022-02-23
Design of Hemispherical Patch Antenna with Conformally Spaced Log-Periodic Elements for Multi-Directional and Multi-Band Operation
By
Progress In Electromagnetics Research C, Vol. 118, 187-198, 2022
Abstract
In this paper, the design of an Ultra Wide Band (UWB) hemispherical antenna with Log-Periodic Elements (LPEs) capable of operating at multiple resonating frequencies lying in L, S, C, X, and Ku frequency bands is presented. The design consists of a complex structure of silver hemisphere with LPE mounted on an FR-4 substrate fed by a 50 Ω microstrip line. The dependency of the inclination of log-periodic elements mounted on the hemisphere is analyzed with parametric study. The proposed miniaturized antenna uses LPEs to obtain an impedance bandwidth of above 100% and a multi-directional radiation pattern. The measured results show that a wide operating band of 12.63 GHz (1.68 GHz-14.31 GHz) (8.52:1) has been achieved with a multi-directional radiation pattern with a peak realized gain of 8.12 dBi.
Citation
Venkatesh Nuthan Prasad Eshwar Dhanush Gowda Krishnappa Indira Ananya Kodukula Diksha Arora , "Design of Hemispherical Patch Antenna with Conformally Spaced Log-Periodic Elements for Multi-Directional and Multi-Band Operation," Progress In Electromagnetics Research C, Vol. 118, 187-198, 2022.
doi:10.2528/PIERC21100402
http://www.jpier.org/PIERC/pier.php?paper=21100402
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