Slot Coupled Ultra Wideband and Multiband Monopole Antennas for Wireless Applications

Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
This paper presents a CPW fed capacitive coupled circular shaped monopole antenna. Ground dimensions of the geometry are used to tune the proposed antenna's input impedance (impedance bandwidth). Furthermore, these ground dimensions can be used to make antenna operating either in ultra wideband or multiband mode. Besides these dimensions, the capacitive gap introduced on the circular stub will also decide the working of antenna as either wideband or multiband operation. Capacitive gap may be placed at any point on the circular stub. In this paper, the authors investigated its effect at three different places i.e., lower end, at the center, and at the upper end of the geometry.

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