A Study of the Radio Channel for Low Earth Orbit Telecommunication Satellites

Claudio Garcia Batista, Ana Claudia Souza, Gustavo Rodrigues

DOI: 10.14209/sbrt.2025.1571157215

Evento: XLIII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais (SBrT2025)

Keywords: LEO (Low Earth Orbit) satellite statistical modeling of the radio channel KNN method parameter estimation

Abstract

This study conducts a first-order statistical analysis of the radio channel between a low Earth orbit (LEO) satellite and a ground station. We used measurements from the TinyGS project's open-access database, which included data from four satellites. The classical Loo and Lutz models were applied to generate cumulative distribution function (CDF) curves. The simulations and experimental data were statistically compared using the Kolmogorov-Smirnov (KS) test and Wasserstein distance metrics. Additionally, the K-nearest neighbors (KNN) algorithm was employed to estimate new input parameters for the Loo model, improving the accuracy of the results for the scenarios under investigation.

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