A two-dimensional OMA-NOMA user-pairing and power-minimization approach for opportunistic B5G-enabled IoT networks. - Haythem Bany Salameh; Haitham Moffaqq Al-Obiedollah; Marah Al-Hayek; Sharief Abdel-Razeq; Ahmad F. Al-Ajlouni (Clust. Comput., 2023)