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

<div>The relationship between the distance of sub-elements <i>d</i><sub><i>s</i></sub> and the pattern in E-plane at 26.9 GHz.</div>

International Journal of Antennas and Propagation

Figure 4: Planar High-Gain Millimeter-Wave Slotted SIW Cavity Antenna Array with Low Sidelobe and Grating Lobe Levels 