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

<div>Simulated |<i>S</i><sub>11</sub>| and gains of the 1 × 4 antenna array with different dielectric constants.</div>

International Journal of Antennas and Propagation

Figure 15: Planar High-Gain Millimeter-Wave Slotted SIW Cavity Antenna Array with Low Sidelobe and Grating Lobe Levels 