Aymen Mzoughi
Ansys Employee

For enhanced accuracy, I recommend using Ansys HFSS in combination with the Modelithics library:
https://www.ansys.com/partner-ecosystem/technology-partners/modelithics
To synthesize impedance matching networks, you can use AEDT Circuit in conjuction with HFSS (Just by drag and drop the HFSS deign into the Circuit design within AEDT).