Hassan, Mohamed, Manwinder Singh, Khalid Bilal, and Imadeldin Elsayed. “Improving 6G Network Spectrum Efficiency With Non-Cooperative and Cooperative Spectrum Sharing Using NOMA and Massive-MIMO”. EAI Endorsed Transactions on Mobile Communications and Applications 8 (October 23, 2023). Accessed December 22, 2024. https://publications.eai.eu/index.php/mca/article/view/3755.