Mobility

Efficient Technique for Bandwidth Improvement of Mictrostrip Patch Antenna

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Executive Summary

The recent progress in UWB wireless communications have remarkably increased the demand of wideband antenna with smaller dimensions than conventionally possible. The antenna size with respect to the wavelength is the parameter that will have influence on the radiation characteristics, gain and efficiency. A method of improving operating bandwidth of an narrowband microstrip patch antenna by simply improving the structural shape, without affecting the size of an antenna is proposed in this paper. Simple calculations proved that Rectangular Microstrip Patch antenna of bandwidth 835.1 MHz can be efficiently transformed into microstrip patch antenna having bandwidth 8947.4 MHz. Two different approaches have been proposed and compared for better results.

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