How should port be connected in HFSS to micro strip patch antenna to get better results of S parameter plot?

I design a microstrip inset fed patch antenna with exact calculations. The design is on Ansys HFSS. The gain is 6dB and realized gain 5.1dB. I am designing on 14GHz but my S11 2D is not coming...

31 October 2019 285 5 View