rectangle patch antenna with coaxial probe feed

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guo-hai

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hello guys, can you help me?
like the title i'm designing the antenna with HFSS
but I didnt get any good result in S11
It's like that there isn't any signal going to the portView attachment Project1.rar
can you guys help me look at it
Thank you
 

My HFSS version is old and I cant open your file properly.
But I think that you don't add boundary condition to outer conductor of coaxial line.
 

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