TAMANGDORJI, Qudsia. Artificial Intelligence Techniques for an Optimized Sparse Spatial Self-Nested Graph Neural Network for Secure MU-MIMO-OFDM System: Channel Estimation, Attack Detection and Mitigation – Trends and Challenges. International Journal on Advanced Computer Engineering and Communication Technology, [S. l.], v. 14, n. 2, p. 375–382, 2025. Disponível em: https://journals.mriindia.com/index.php/ijacect/article/view/2744. Acesso em: 9 may. 2026.