design of monopole antenna

can u pls help me in designing of broadband planar monopole elliptical antenna using hfss software.... regarding how take ports and simulation..... pls help me out... i ll be very greatful to u...

googled this:

http://mehmetsezgin.net/IEEE%20Anten...l%20Dipole.pdf

I guess the ideal is in the paper... just add a gnd plane to get a monopole.