Faniar, Asmail Abrahim MohamedAlmohammedi, Akram A.Balfaqih, Mohammed2024-09-292024-09-292023979-8-3503-8261-7https://doi.org/10.1109/APCC60132.2023.10460736https://hdl.handle.net/20.500.14619/610728th Asia-Pacific Conference on Communications (APCC) -- NOV 19-22, 2023 -- Sydney, AUSTRALIAThis study proposes an optimized MIMO antenna array design for 5G mm-wave communication systems that operates in the 38 GHz band. The design consists of two antenna arrays, each with four evenly spaced elements. The two arrays are assembled with a 90-degree shift, which provides improved performance in terms of gain, efficiency, and beamforming. The substrate is a Rogers RT5880 with a thickness of 0.254 mm and dielectric constants of 2.2 and a loss tangent of 0.0009, respectively. The proposed work combines the most desirable characteristics, including unique design, high gain, efficiency and wide operation of bandwidth. The proposed array antenna design offers a high efficiency up to 86.56% and high average gain up to 12.35 dBi for port-1 and port-2, resulting in attractive performance. The achievable bandwidth in the 38 GHz frequency band (37.5 - 38.4 GHz) is up to 927 MHz for port-1 and port-2. The return loss of our design is up to - 23.28 dB, which is still considered low loss for 38 GHz. The results obtained show that the antenna is a viable candidate for 5G applications at 38 GHz.eninfo:eu-repo/semantics/closedAccess38GHzMIMO arraymillimeter wave5G applicationConference Object10.1109/APCC60132.2023.104607362-s2.0-85188468748429N/A424WOS:001190732000074N/A