Design of a Multiband 5G MIMO Antenna Systems
DOI:
https://doi.org/10.15662/IJEETR.2026.0802108Keywords:
MIMO antenna, MIMO antennadual-band antenna, dual-band antenna, WLAN, mutual coupling reduction, ANSYS HFSSAbstract
A compact 4×4 Multiple-Input Multiple-Output (MIMO) antenna system is presented for multiband wireless communication applications. The proposed antenna operates at 3.6 GHz and 5.2 GHz frequency bands, making it suitable for 5G and WLAN systems. The antenna is designed on an FR4 substrate with a dielectric constant of 4.4 and analyzed using ANSYS HFSS simulation software. To improve antenna performance, slot modifications and an optimized element arrangement are employed, resulting in enhanced impedance matching and reduced mutual coupling between antenna elements. The antenna achieves a return loss of −16 dB at 3.6 GHz and −41 dB at 5.2 GHz, indicating effective resonance characteristics. In addition, the design exhibits good isolation, stable radiation patterns, and satisfactory gain performance, ensuring reliable diversity operation. The compact size, simple structure, and improved electromagnetic characteristics make the proposed antenna a promising candidate for integration into next-generation wireless communication systems.
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