A REVIEW ON DIFFERENT BAND NOTCHING METHODS USED IN UWB SLOT ANTENNAS
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Abstract
According to federal communication commission(FCC) rules, the 3.1-10.6GHz band is allocated to the ultra wideband(UWB) applications. Notching will be helpful to avoid interference between UWB and some narrow band that are WiMAX (3.3–3.7GHz), C-band satellite downlink (3.7GHz–4.2GHz), WLAN (5.15–5.825 GHz), DSRC (5.50–5.925 GHz) etc. Different band notching techniques are discussed in this paper. Some techniques include adding parasitic stubs of different shapes, rectangular slits, and slots. In this paper comparative study will be done for differentnotching techniques.
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