A New Compact Small Circular Patch Antenna for UWB Communication

A new small circular patch antenna for ultra-wideband (UWB) applications is presented. By studying this structure, it is shown that the insertion of a slot with the desired length and width in the ground plane, can lead to a large bandwidth. Our antenna, whose dimensions are 18×12×1.58 mm3, was fed...

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Bibliographic Details
Published in:Journal of Communications Software and Systems 2015-12, Vol.11 (4), p.210-214
Main Authors: Lakrit, Soufian, Ammor, Hassan
Format: Article
Language:English
Subjects:
Compact
HFSS
Microstrip
Return loss
SMA female connector
Ultra-wideband (UWB)
VSWR
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Summary:A new small circular patch antenna for ultra-wideband (UWB) applications is presented. By studying this structure, it is shown that the insertion of a slot with the desired length and width in the ground plane, can lead to a large bandwidth. Our antenna, whose dimensions are 18×12×1.58 mm3, was fed by an SMA female connector with characteristic impedance of 50Ω in order to measure the return loss and VSWR and to compare them with the simulation results. The bandwidth obtained from measurements ranges from 3.52 to 13.67 GHz for VSWR < 2 and from 3.26 GHzto14.23GHz for VSWR < 3. The radiation pattern is omnidirectional on most of the operating band. High Frequency Structure Simulator (HFSS) was used for simulation whose results are in good agreement with the measured parameters.
ISSN:1845-6421
1846-6079
DOI:10.24138/jcomss.v11i4.100