hi all, cst and hfss results are not matching(200 points)

hi
Hi
I want to compare the results of patch antenna design in hfss and cst but fail to get exact gain vs frequency plot
can u help n provide a small antenna design example in .hfss and cst mws file form so that they same gain vs freq and s11 vs freq curves
regards
I am stuck plz help
will donate 200 points
kartik
kartikkhurana@yahoo.in



its urgent