Design of Rectangular Planar Monopole Antenna with a Double Sleeve

Title & Authors
Design of Rectangular Planar Monopole Antenna with a Double Sleeve
Kang, Sang-Won; Chang, Tae-Soon;

Abstract
In this paper, a wideband antenna accomplished by adding a double sleeve of a rectangular planar monopole structure is proposed. In order to impedance matching of proposed antenna, the antenna performance was improved by adding two gap sleeves and outer sleeve for double sleeve structure. HFSS simulator of ANSYS corp. was used in order to confirm the antenna parameter characteristic. According to the simulation results, the VSWR was less than 2 for the range of 2.5GHz~10.5GHz. The frequency bandwidth is 8GHz. The frequency range of the actual fabricated antenna was 2.92GHz~10.32GHz, the frequency bandwidth is 7.4GHz. The measured radiation pattern frequency is 3GHz, 6GHz and 9GHz. The results are similar with dipole antenna pattern in all frequency. The antenna size is $\small{40{\times}40mm^2}$. The utilization possibility of the ultra-wideband planar monopole antenna could be confirmed according to compare and analyze the simulation and measurement data.
Keywords
Sleeve;Double Sleeve;Monopole Antenna;Ultra-wideband;Dipole;
Language
Korean
Cited by
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