Ortega, Alvaro Javier. “Optimizing the Spectral Efficiency in MmWave Massive SU-MIMO Systems Using Hybrid Processing”. Journal of Communication and Information Systems 36, no. 1 (July 25, 2021): 128–132. Accessed December 22, 2024. https://jcis.sbrt.org.br/jcis/article/view/786.