PETROPOULOS, Liron. A Survey of Methods and Architectures for Optimized Sparse Spatial Self-Nested Graph Neural Networks for Secure MU-MIMO-OFDM Systems: Channel Estimation, Attack Detection and Mitigation. International Journal on Advanced Computer Theory and Engineering, [S. l.], v. 14, n. 2, p. 278–284, 2025. Disponível em: https://journals.mriindia.com/index.php/ijacte/article/view/2765. Acesso em: 15 may. 2026.