PONCE CASTILLO, E. A.; LEDESMA BUELE, J. S.; PUCHAICELA CUENCA, R.; MIRABA CAJAMARCA, K. J. Comparative study of propagation models with the analysis of the LTE signal strength of the base stations with the coverage area in Riobamba-Ecuador. ConcienciaDigital, v. 5, n. 3, p. 273-296, 16 Sep. 2022.