How to define CPW port for a monopole antenna

How to define CPW port for a monopole antenna. can any body help me? I need help as I am new in CPW port excitation. I am implementing a research paper but I donot know about CPW fed. And also I am not getting from the CPW port tutorial by HFSS.
see my design in attachment. please correct my design if you can or provide me HFSS file in which CPW is used.