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Monopole antenna with band rejection characteristics

26.Jun.2016

Abstract

The ultra-wideband (UWB) antennas are required to cover high impedance bandwidth such that the return loss (RL) is greater than 10 dB with improved gain and radiation efficiency which are required for the different applications. In this UWB range (3.1-10.6 GHz), there are other applications, using narrow band frequency bands, such as WiMAX (3.3-3.7) GHz, WLAN (5.15-5.825) GHz and others. In this case it is needed to filter out these different applications which interfere with the UWB system. This can be performed by redesigning the printed circuit antenna to have an inherent characteristics with band rejection behavior to eliminate some or all of these interfering signals. © 2016 IEEE