FADIA MASSOUD ABUSALAH; ABDULGANI ALBAGUL. Deep Learning for Channel Estimation and CSI Feedback in FDD Massive MIMO: A Critical Review and Future Directions. International Journal of Electrical Engineering and Sustainability, Libya, v. 4, n. 2, p. 153–170, 2026. Disponível em: https://ijees.org/index.php/ijees/article/view/184. Acesso em: 5 oct. 2026.