Dielectric and width effect onH-plane andE-plane coupling between rectangular microstrip antennas

Theory and numerically computed results are presented for mutual coupling between two rectangular microstrip antenna patches.
E
-plane alignment and
H
-plane alignment are the two patch orientations considered. The
s
-parameter matrix element
s_{11}
is used to study the mutual coupling. Extensive results are provided for
s_{11}
covering several relative substrate dielectric constants, antenna patch widths, and antenna patch separations. Results are also given for resonant frequency, resonant impedance behavior, and radiation pattern at resonance.