Design and Development of a Multiple Input Multiple Output (MIMO) Antenna with Parasitic Structure for Ultra Wideband Applications
Keywords:
Antenna, wireless, Ultrawideband, band notchedAbstract
MIMO UWB antenna is one of the leading technologies in wireless communication, which offers large capacity and high data transmission speed. This technology has various benefits, one of which is the ability to reject interference. This interference rejection serves to cancel the most dominant and unwanted wavefronts that can interfere with antenna performance, thereby improving the quality of the received signal. In this study, a MIMO UWB antenna was designed by modifying the antenna design using FR-4 substrate material, which has a dielectric constant (εr) of 4.4, loss tangent of 0.02, and material thickness of 1.6 mm. The antenna works in the frequency range of 2.9 to 10.3 GHz, which is suitable for use in Ultra Wideband (UWB) communications. In addition, the antenna is also equipped with three band notched features to avoid interference from unwanted frequencies. The simulation results of this final project show good agreement with the measurements on the fabricated antenna. The return loss obtained reached -17.7 dB, while the mutual coupling value was recorded at -24.73 dB; In addition, the resulting VSWR is 1.44, indicating effective antenna performance and compliance with expected UWB communication standards.
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