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As wireless communications applications continue to require more and more bandwidth, there has been continued increase in demand for ultra-wide bandwidth antennas. Planar monopole antennas are generally suitable for mobile applications and hence we researched avenues to improve the bandwidth of this antenna structure. First part in this paper describes the design of novel compact and ultra-wide bandwidth...
A novel compact design for UWB planar monopole antenna is presented in this letter. The basis for achieving the UWB operation is through using semicircular microstrip monopole antenna with circular modified ground plane. This shape produces bandwidth ranging from 3 to 35 GHz with discontinuities in certain bands from 7 to 10 GHz and from 12.5 to 17.5 GHz. The antenna size is around 27% of the size...
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