… selection is of utmost priority in cooperative CR-NOMA … a CR-NOMA multicast framework by
exploiting a pair of users in a … tion to a group of weaker users under friendly jamming. To this …

… relay selection and power allocation (J-RS-PA) for NOMA-based multicast cognitive radio …
; while in the cooperation phase, the selected relay forwards the decoded symbols to their …

… user requirements. In this work, we study the throughput performance of a downlink CR-NOMA
network comprising a primary user (PU) and a secondary user (SU). Considering a blind …

… (NOMA), which can serve multiple users simultaneously and on the same frequency, and
cognitive … QoSbased SIC, we propose two different joint antenna and user selection algorithms. …

… industrial cognitive IoT over cognitive heterogeneous NOMA networks is described firstly.
Then, we present the imperfect interference power model for cognitive heterogeneous NOMA …

… system consists of two major procedures; channel selection and power allocation. The
channel selection is about grouping the admitted users and assigning each group to one of the …

… 1, we consider a downlink underlay cognitive radio (CR) network, the primary network and
… , we use the NOMA technology for information transmission for the secondary users. Due to …

… multiple access (NOMA) for secondary users in underlay cognitive radio is studied. In
underlay cognitive radio networks, the interference, which is produced by secondary users (SUs), …

… Different from [39]–[41], in our manuscript, SWIPT techniques are applied in a NOMA cognitive
… An, ‘‘A BNBF user selection scheme for NOMA-based cooperative relaying systems with …

… Based on cognitive radio, the cognitive IIoT (CIIoT) has been … via nonorthogonal multiple
access (NOMA). The frame … The simulations have indicated that the NOMA for the cluster-…