ABDULLAH, Qazwan; MOHD SHAH, Nor Shahida. Downlink Massive MIMO Systems: Reduction of Pilot Contamination for Channel Estimation with Perfect Knowledge of Large-Scale Fading. International Journal of Integrated Engineering, [S. l.], v. 15, n. 3, p. 227–239, 2023. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/14571. Acesso em: 7 apr. 2026.