Enhancing LEO direct-to-satellite channel modeling with the shadowing effect via K-distribution. - Tomás Núñez González; Cesar A. Azurdia-Meza; Raydel Ortigueira; Samuel Montejo Sánchez; Javier A. Ordenes-Pinto; Melissa Eugenia Diago-Mosquera; Sandra Céspedes (ICT Express, 2025)