KAREEM, T. A.; ALAA HUSSAIN, M.; KAREEM JABBAR, M. Particle Swarm Optimization Based Beamforming in Massive MIMO Systems. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 14, n. 05, p. pp. 176–192, 2020. DOI: 10.3991/ijim.v14i05.13701. Disponível em: https://online-journals.org/index.php/i-jim/article/view/13701. Acesso em: 8 dec. 2022.