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Wideband circularly polarized dielectric resonator antenna for GPS and GNSS applications

A wideband circularly polarized dielectric resonator antenna fed by a sequential phase power divider is designed, investigated, and simulated. The antenna covers the GPS (L1) and the GNSS (E1, and E2) frequency bands. The proposed antenna has -10 dB reflection coefficient bandwidth and 3 dB axial ratio bandwidth of 43.9% and 15.3%, respectively. The antenna has a gain of more than 6.6 dB over the operating frequency band.