COMPACT CPW 4X4 MIMO ANTENNA FOR WI-FI 6 (IEEE802.11.AX) AND 5G(NR77/NR78/NR79) COMMUNICATIONS
DOI:
https://doi.org/10.31436/iiumej.v25i1.2898Keywords:
CPW, slot, MIMO, Wi-Fi6, 5G technologyAbstract
This research proposes a compact 4x4 MIMO coplanar waveguide antenna for 5G NR and Wi-Fi 6 applications. The antenna has a size of 34x32x1.6 mm and operates in the 4.2-7 GHz band. By cutting slots on the ground and radiator, the mutual coupling is reduced to less than -15 dB between adjacent and opposite elements and less than -25 dB between diagonal elements. The antenna achieves good measured gains (3-6 dBi) and efficiency (60%-80%). The proposed antenna is suitable for high-performance wireless communication systems that require a small and low-cost MIMO antenna.
ABSTRAK: Kajian ini mencadangkan antena pandu gelombang yang kompak 4x4 MIMO koplanar bagi aplikasi 5G NR dan Wi-Fi6. Antena ini mempunyai saiz 34x32x1.6 mm dan beroperasi dalam kelompok gelombang 4.2-7 GHz. Dengan memotong slot pada tanah dan radiator, mutual coupling dikurangkan sebanyak -15 dB antara adjasen dan elemen bertentangan dan kurang daripada -25 dB antara elemen diagonal. Antena ini mencapai ukuran terbaik pada gain (3-6 dBi) dan kecekapan (60%-80%). Antena yang dicadangkan ini sesuai bagi sistem komunikasi tanpa wayar berprestasi tinggi yang memerlukan antena kecil dan murah seperti antena MIMO.
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