Port settings for CPW struture in ADS.

Hi everyone,
I have just started working in ADS.I have designed CPW fed patch antenna but i am getting different frequency response of this structure in ADS compared to IE3D.If anyone knows how to work with ports (ground reference for two ground plane for a reference pin for central conductor),please help me with ports assignment. Thanks

Hi lray,

It sounds like you already know what to do. Set the center stripline port to port 1, and assign the ports touching either ground plane as a ground reference for port 1.

Thank you for your quick response.I am stuck with port assignment for ground plane.Can you help me how to assign the ports for ground plane as ground reference for central conductor strip?Is there any tutorials for CPW antenna design in ADS ?

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