Abstract
This work proposes a triple-band SIW antenna design for millimeter wave (mm-wave) 5G applications. The proposed antenna is comprised of three rectangular slots of specific lengths, as well as a modified rectangular slot near the feed. For the sake of simulating and analyzing the proposed design, the Ansys HFSS 2021/ R2 software tool has been utilized. The working performance of the antenna is investigated using the parameters of reflection coefficient, radiation pattern, and gain. The proposed antenna offers resonant frequency at 24.37 GHz, 25.45 GHz, and 27.12 GHz with corresponding 10-dB impedance bandwidths of 91 MHz, 64 MHz, and 75 MHz. Moreover, the aforementioned SIW antenna features a maximum gain of 5.47 dBi, 5.3 dBi, and 5.2 dBi in each of the three respective operating frequency bands. These characteristics indicate that the proposed SIW antenna is indeed an excellent contender for operating in the frequency range of 24.25-27.5 GHz assigned by the International Telecommunication Union (ITV) for 5G applications.
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