help required in uwb antenna!

hi evry 1!
i designed UWB antenna using HFSS v.9....bt wen i design da same antenna in awr wid same dmnsions den the rzlts r nt satisfactry! cn ne 1 help me out plz!

Hi omair_aziz
It's better that you export your UWB antenna structure in HFSS for AWR and import it in AWR. you should select open boundary in AWR and proper grid for workspace. The two simulation results should be close.