Analysis of Antenna System S-Parameters in Wireless Communication Networks Using HFSS: Role and Significance in Wi-Fi and 5G

In modern wireless communication systems, such as Wi-Fi and 5G, ensuring high signal quality and efficient use of frequency resources is critically important. In modern wireless communication systems, such as Wi-Fi and 5G, ensuring high signal quality and efficient use of frequency resources is critically important. Broadband multi-channel antennas are often used for this. In the work, the modelling and search of two types of antennas - narrowband and wideband two-channel antennas, which have fundamentally different fields of application, which depend on the presence of a direct path of beam propagation and multi-beam propagation of signals, is carried out. One of the primary tools for evaluating and optimizing antennas is the analysis of S-parameters. These parameters allow for the assessment of the efficiency of antenna systems operating in high-frequency bands, which is particularly crucial for modern technologies, especially, in which the search for free frequency channels is carried out.