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A printed magneto-electric dipole based on substrate integrated gap waveguide

A low-profile printed magneto-electric dipole based on substrate integrated gap waveguide is proposed in this paper. Printed magneto-electric dipole is realized by etching on the exterior metallic layer. Substrate integrated gap waveguide contains three layers of printed circuit board, which feed for electromagnetic dipole by a coplanar strip transition. Simulated results show that a return loss lower than −10dB can be obtained over 22.6GHz to 30.2GHz (28.8%). Meanwhile stable gain of 9.7±0.5dBi and radiation pattern is also obtained. This antenna could be used in 5G millimeter-wave application.