Investigations on a low-profile, filter backed, printed monopole antenna for UWB communication
A compact, printed dual band-notched, filter backed antenna or filtenna, with suppressed radiation characteristics outside the ultra-wide frequency band (UWB) has been scripted in this manuscript. The filtenna has been designed to work in the UWB frequency domain (03.1 - 10.6 GHz), as prescribed by federal communications commission (FCC). Band-notching structures have been incorporated in the radiating element for realization of dual band- notches for WLAN and WiMAX. The novelty lies in the fact that, a microstrip band pass filter has been introduced in the antenna feeding section for improvement of the cut-off frequency and frequency selectivity. An impedance bandwidth (S11 ≤ -10.0 dB) of 03.1 - 10.6 GHz has been obtained excepting two frequency-notches having centre frequencies of 03.5 GHz and 05.5 GHz, respectively. Promise able simulation results followed by measurement, justify the applicability of the novel filtenna for UWB communications.
Filtenna; Band-Notch; Band Pass Filter; UWB Communication
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