Performance Evaluation of an Ultra Wideband Slot Antenna

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Provided by: International Journal of Engineering and Innovative Technology (IJEIT)
Topic: Mobility
Format: PDF
In this paper, a rectangular stepped slot antenna with ultra-wideband is evaluated under change in feed position, feed dimension and slot dimensions. Average peak gain of the slot antenna is 4.25dB and the bandwidth is 12.59GHz.The antenna is linearly polarized with an axial ratio of 40dB. The feed is placed orthogonally crossing the slot at the center to minimize cross polarization. A change in feed position deteriorates the polarization purity and bandwidth. Various changes in parameters affect the overall performance of the antenna.
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