Ultra-Wide Band Horseshoe Antenna for Cognitive Radio Applications
DOI:
https://doi.org/10.55447/jaet.05.01.34Keywords:
Ultra-wideband, Cognitive Radio, Microstrip, RF moduleAbstract
In this paper, an Ultra-wide band (UWB) micro-strip antenna design is proposed to be suitable for Cognitive radio applications. The geometry of proposed antenna is composed of two semi-circles with their interior modified to achieve higher impedance bandwidth. The semi-etched ground enhances bandwidth to achieve higher data rate. The proposed antenna is fabricated on an inexpensive dielectric substrate FR-4 with relative permittivity of 4.4 and thickness of 1.6mm. The overall dimension of UWB antenna is 60x60x1.6mm and have a bandwidth of 5.7 GHz. The designed antenna covers the most commonly used wireless communication bands such as DCS-1800, ISM bands, GPS, Wi-MAX, WLAN, 3-G, 4-G, etc. The design process and the variations in antenna’s performance is due to different parameters such as structure, thickness and material. The design and simulation of the antenna are carried out in the Ansys simulation software on Desktop HFSS 17. The measured results are in good agreement with simulated results and exhibits better performance than the existing designed antennas.
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