With regards,
I have simulated an antenna as per one of the research paper.
It gives a different s11 parameter graph with different radiation box. With PML and open boundaries conditions, results are somewhat similar.
But with a bounded radiation box, where the length and width dimensions of the radiation box are the same as the substrate, only +z and -z dimension are provided.
I am a bit confused about which is the more accurate s11 parameter?
Also, when should we give which type of boundary condition for testing an antenna. As no one explains which radiation box dimensions or port dimensions has he used?
Thanks
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