Abstract
The evolution in wireless communication systems aims to provide adequate parameters in terms of higher transmission rates and increased spectral efficiency. Physical layer functionalities such as MIMO can increase throughput and provide higher coverage/capacity relations. However, its performance is directly affected by radio channel characteristics defined in the radio channel matrix, as well as in the employed antenna spacing. In this work, the performance of a MIMO system operating within a 5G NR FR1 capable band is analyzed, by considering volumetric channel analysis in frequency/power as well as in time domain and the impact of variable antenna spacing. The results show a clear benefit in received power level as antenna spacing is increased from 1A to 3λ in the case of a complex indoor scenario.
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