Planar High-Gain Millimeter-Wave Slotted SIW Cavity Antenna Array with Low Sidelobe and Grating Lobe Levels

<div>Radiation patterns of antenna element at 26.9 GHz.</div>

International Journal of Antennas and Propagation

Figure 6: Planar High-Gain Millimeter-Wave Slotted SIW Cavity Antenna Array with Low Sidelobe and Grating Lobe Levels 