A Unified DNN-Based Channel Estimator For Massive MIMO Systems Under Various 5G Channel Scenarios . International Journal of Environmental Sciences, [S. l.], p. 1609–1617, 2025. DOI: 10.64252/xkef7c70. Disponível em: https://theaspd.com/index.php/ijes/article/view/3046.. Acesso em: 3 apr. 2026.