“Secrecy Rate in BD-RIS-Assisted Uplink Multi-User MIMO Systems Under Nakagami-M Fading With Passive Eavesdropping”. Journal of Engineering 31, no. 11 (November 1, 2025): 73–89. Accessed November 2, 2025. https://joe.uobaghdad.edu.iq/index.php/main/article/view/3724.