Hi,

For port assignment, you can go for waveguide port or discrete port. For waveguide port, you have to select face of substrate including ground, whereas for discrete port, center position is best, like coaxial probe.In waveguide port, your feeding point should touch the port.

Thanks,

Hi,

     To assign wave port, there is a simple way to create the same. first, select the face of the feed where you want the wave port. Go to MACROS>>SOLVER>>PORTS>>CALCULATE PORT EXTENSION COEFFICIENT>>CREATE PORT.

With this the software itself will create the waveguide port.