DESIGN OF WIDE-BAND APERTURE-STACKED PATCH MICROSTRIP ANTENNAS

A variation of the aperture-coupled stacked patch microstrip antenna i s presented, which greatly enhances its bandwidth, Bandwidths of up to one octave have been achieved. The impedance behavior of this antenna is compared with that of other wide-band microstrip radiators. Matchi ng techniques for the antenna are presented and their relative merits discussed. The effects of varying several key physical parameters of t he antenna are investigated, lending some insight into its wide-band o peration. Variations on the design such as incorporation of additional patches are also discussed.