Abstract
The study of arbitrary patch antenna design represents a critical endeavor in the advancement of wireless communications technologies. This study delves into the construction of a random patch antenna using 3D electromagnetic software, namely the HFSS simulation program. By altering the antenna's physical structure, particularly its ground plane and patch section, we hope to enhance the antenna's performance. Antenna efficiency as measured by gain, S11 parameter, and bandwidth is compared between two different materials, FR4 and Rogers, with varying relative permittivity. Advancements in communications systems and technologies have been made possible by optimizing efficiency, reducing antenna size, and improving performance through modifications to the patch antenna's material composition and design. Keywords: Arbitrary Patch Antenna, HFSS, FR4,
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