Kalimuthu J. Deep Learning and Optimization Approaches in an Optimized Sparse Spatial Self-Nested Graph Neural Network for Secure MU-MIMO-OFDM System: Channel Estimation, Attack Detection and Mitigation: A Review. IJAECE [Internet]. 2025 Nov. 8 [cited 2026 May 9];14(2):66-72. Available from: https://journals.mriindia.com/index.php/ijaece/article/view/2698