This paper details the design of a rectangular patch antenna intended for WLAN wireless communication systems. The antenna operates within a frequency range of 1.5 GHz to 3.5 GHz and is constructed using a wooden substrate with a relative permittivity of 1.77, a loss tangent of 0.0577, and a thickness of 1.6 mm. The antenna’s performance is evaluated through key parameters, including a reflection coefficient (S11) of ？43.9987 dB, standing wave ratio (VSWR) of 1.0127, gain of 2.4 dB, directivity of 8.7 dB, efficiency of 23.36%, bandwidth of 180 MHz, and radiation diagram where obtained using ANSYS HFSS software. The results demonstrate that using wood as the substrate provides satisfactory performance for the antenna design.
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