This repo contains the design files and simulation results for a simple rectangular microstrip antenna simulated in HFSS.. You can download the student version from there website free of cost.
Length of the substrate Ls 6.2mm Width of the substrate Ws 7.4mm Thickness of the substrate Hs 1 mm Length of the patch Lp 3.5mm Width ot the patch Wp 2.5mm Height of the patch Hp 0.035mm Width of the Feedline Wf 0.75mm Dielectric Material FR4 (glass-reinforced epoxy laminate)