The Slot Parameters Effect in a SIW Waveguide for Ku-band Applications

Recently, Substrate Integrated Waveguide (SIW) structures have gained significant interest. This structure is an up-and-coming candidate for many circuits, including millimeter-wave applications. It is a simple solution combining planar and volumetric technologies into a single structure to benefit from their advantages. In this paper, we propose an SIW structure with two slots in the Ku band at 16 GHz. The main objective of this document is to study the effect of the width and length parameters of the slots on the reflection coefficient S11. The optimization process is performed using Ansoft HFSS software, where the design parameters of the waveguides SIW are adjusted to achieve the desired frequency response characteristics.