NOMA Performance Subject to Mobility Constraints: A 5G Link-Level Simulator

Analyzing multilayer Non-Orthogonal Multiple Access (NOMA) under mobility is a complex task that is not sufficiently treated in the literature. This paper presents a link-level simulator compliant with 3GPP Fifth-Generation (5G) physical-layer technologies with NOMA downlink extension, capable of performing detailed mobility analysis. The simulator evaluates rural and urban environments by implementing standardized channel profiles and mobility models such as Random Waypoint (RWP) and Manhattan. We use the dynamic capabilities of the simulator to assess the link sustainability of heterogeneous mobile NOMA users under multiple antenna systems (MIMO) and various beamwidth configurations. The simulator provides a mobility environment for benchmarking and performance evaluation of multilayer NOMA technology on standard 5G New Radio (NR) transceivers.