please help CST PIFA

please help me design PIFA antenna using CST. for triband. 1.8G, 2.4G, 5.5G using triangular siepinsky technique.thanks.

hai herewith i have attached some papers for ur reference

thnnx Jamesanton..tat realy helpful

hi I am beginner. I have a project: Design PIFA antenna using CST can u help me plz said to me what the steps