Dimension optimization of UWB antenna

Hi Everyone....
How can i optimize my antenna in dimension ? Give different way by which this can be done.
Please help me......

Can you please give more details ?

Thanks for your response.
I mean to say that, how can i find dimensions (patch width,length,dielectric constant,etc) so that my results are optimize to best.
My antenna patch pattern is Equilateral Triangle.please...

---------- Post added at 18:20 ---------- Previous post was at 18:19 ----------

Thanks for your response.
I mean to say that, how can i find dimensions (patch width,length,dielectric constant,etc) so that my results are optimize to best.
My antenna patch pattern is Equilateral Triangle.please...