A Broadband and High-Gain SIW-Fed Magneto-Electric Dipole Antenna for Millimeter-Wave Applications

A magneto-electric dipole (MED) antenna fed by substrate-integrated waveguide (SIW) is proposed. It features broadband and high-gain and is suitable for millimeter-wave (mmW) applications. To improve the radiation performance, longitudinal slots are etched on the MED and the MED is surrounded by a cavity. The simulated
$\vert \mathbf{S}_{\boldsymbol{11}}\vert \boldsymbol{< -10}\ \mathbf{dB}$
impedance bandwidth reaches 33.1% (30.92 to 43.17 GHz). The simulated gain has a maximum of 9.1 dBi at 42 GHz.