Abstract
AbstractA circularly polarized high gain hybrid rectangular patch/horn antenna with chamfered corners is presented in this paper. The measured impedance bandwidth of the proposed design extends from 26.7 to 28.7 GHz. The suggested design antenna exhibits circular polarization propagation over the working band, which is achieved by introducing chamfered corner overlapped patch antennas surrounded by the truncated pyramidal horn. The main purpose of this horn is to enhance the overall gain without any deterioration of other antenna characteristics (more than 4 dB over the operating band when compared to the patch antenna). The maximum measured gain of the hybrid antenna is 10.9 dBi. The radiation patterns of the hybrid antenna show directive broadside radiation with stable performance over the whole frequency band. The suggested antenna is analyzed and designed applying both the numerical simulator (CSTMWS and HFSS).
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