Wideband SIW Antenna Design for 5G Application
DOI:
https://doi.org/10.15662/IJEETR.2026.0802127Keywords:
SIW antenna, Wideband, 5G, mmWave,, Aperture coupling, High gainAbstract
This paper presents the design and analysis of a wideband Substrate Integrated Waveguide (SIW) antenna for 5G applications operating in the millimeter-wave (mmWave) frequency range. The proposed antenna utilizes an aperture-coupled SIW feeding mechanism to achieve wide bandwidth, high gain, and low transmission loss. Compared to conventional microstrip antennas, the SIW structure offers improved efficiency, better impedance matching, and reduced radiation loss. The antenna is designed to support multiple 5G bands with stable radiation characteristics. Simulation results demonstrate enhanced bandwidth, high radiation efficiency, and reliable performance, making the proposed design suitable for next-generation wireless communication systems.
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