Dual-band CPW-fed rectangular patch antenna reactively loaded with a circular slot

ABSTRACT This article presents a rectangular patch antenna designed to work at Global Positioning System and C frequency bands. The dual‐band operation is obtained by combining the capacitive‐coupled coplanar waveguide with the reactive loading method, which consists of a circular slot etched on the rectangular patch. This latter was designed first to resonate at the principal frequency f10 then a circular slot was etched on the radiator to enhance the electric characteristics of the secondary frequency f30. The simulated and fabricated antenna resonates at 1.575 and 4.6 GHz. The achieved work shows a good concordance between the simulated and experimental results. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:360–363, 2016