Wideband Circularly Polarized Aperture-Fed Rotated Stacked Patch Antenna

摘要

A novel aperture stacked patch (ASP) antenna with circular polarization is proposed. The antenna consists of four parasitic patches, each one being rotated by an angle of 30$^{circ}$ relative to its adjacent patches. The proposed antenna has achieved a simultaneous axial ratio $<$ 3 dB and voltage standing wave ratio (VSWR) $<$2 bandwidth of 33.6% (7.2–10.11 GHz) in the single element and 36.15% (7.1–10.2 GHz) in a 2 $times$ 1-element array configuration. The antenna behavior is explained by a thorough parameter study together with fabrication and measurement.