Any expertise you might be able to offer would be helpful.
High Frequency Structure Simulator (HFSS) is an EM simulation software package from ANSYS, of Canonsburg, Penn. This software is used in laboratories for the purpose of RFID antenna design. I reached out to several experts to find out if they could describe how to use the software to simulate a planar RFID tag, but none felt they had the expertise to comment. Perhaps a tag designer will be able to comment below. I the meantime, I would suggest that you reach out to ANSYS to see if they can help you.
—Mark Roberti, Founder and Editor, RFID Journal
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