I am trying to design a hexaband PIFA [Ref:- Do-Gu Kang and Y. SUng, "Compact Hexaband PIFA Antenna for Mobile Handset Applications" IEEE Antennas and Wireless Hexaband Letters, Vol. 9, 2010]. However, I am facing the following problems:
1. When I modelled SMA connector perpendicular to the plane of antenna, the return loss performance was not good. However, I was getting the required resonant frequency.
2. When I modelled SMA coonector, parallel to the plane of antenna as seen in the attachment, by changing various parameter the RL performance could be corrected but obtaining required resonant frequency was not possible.
3. I tried assigning lumped port, but even that was giving me error.
Please help me to provide feeding to this antenna.
Is that HFSS ? the radius of the modeled SMA is that standard one and which type of error your are getting while using lumped port (like 3D geomettry or any other)
Dear Manish,
It is HFSS. I got the results using lumped port now but unable to get the return loss performance.
you have to assign lumped port for the simulation of PIFA. You can send me the hfss file, so i will look it and will solve the problem. Email me the design at [email protected]
I will suggest to follow the HFSS TUTORIAL first because if you are ready with validated design then there could only chance of error is with step to get return loss plot !!
Please find the related tutorial on how to define a SMA port. Certain software like CST we can modeled the exact SMA connector and attached it to the substrate to get more accurate result.
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