Análisis de modelos de propagación propuestos para la tecnología celular 5G.

Abstract

5G technology prioritizes high speeds and minimal latencies in data transmission using millimeter wave frequencies. Using this range of frequencies is a challenge because no existing propagation model provides real simulations, so to achieve this, new models were designed or existing ones were generalized. This paper analyzes the propagation models proposed for 5G technology, their characteristics and how some models, varying their parameters, reach traditional models. Additionally, the channel model described by 3GPP is chosen to evaluate its performance through simulations in a transmission system. The first chapter presents wave transmission concepts, a summary of classical propagation models, an introduction to 5G technology, and an analysis of its propagation models. The second chapter shows and describes the 5G transmission-reception system for the PDSCH (Pysichal Downlink Shared Channel) downlink implemented in MATLAB in such a way that it allows evaluating the 3GPP TR 38.901 channel model, considering two types of propagation models: TDL (Tapped Delay Line) and CDL (Cluster Delay Line). For the evaluation of the performance of the channel model, the third chapter shows the results in terms of Throughput (%) vs Signal-to-Noise Ratio (SNR)(dB). Additionally, for this analysis, parameters that can affect the performance of the channel are considered, such as the modulation scheme, bandwidth and the propagation channel model. The fourth chapter presents the conclusions and recommendations.