… minimized by jointly optimizing power allocation, task assignment, and computational resource
allocation, this work explores the secrecy performance of uplink CR-NOMA systems with …

… an ML algorithm to solve the optimization problem for a NOMA CR system with a UR. The …
consider a comprehensive system model of a MIMO NOMA CR system with a UR with the aim …

… In this article, a nonorthogonal multiple access (NOMA)-based hybrid … via NOMA regardless
of the primary user’s (PU) state. The uplink resource allocations for the CIoT are optimized in …

… IOS-assisted secure NOMA system, we propose an optimization strategy that maximizes the
sum secrecy rate of the considered system. Specifically, the optimization … by optimizing the …

… optimization of nonlinear function is NP-hard in general. … OP performance of a PBassisted
IoT-CDRT NOMA system with a … Finally, a modified PSO algorithm was employed to optimize …

… optimization of transmit power allocation and receive/passive beamforming in a reconfigurable
intelligent surface (RIS)-assisted … the RIS-assisted uplink NOMA (RISNOMA) system for …

… assisted non-orthogonal multiple access (NOMA) downlink multi-cluster system is studied. In
this paper, the non-convex optimization … users is solved by jointly optimizing the successive …

… inter-group NOMA to enhance the performance of the RIS-MIMO-NOMA system. The … -convex
initial optimization problem is resolved by alternately optimizing the beamforming vectors …

… optimized. Furthermore, the impacts of random phase shift and coherent phase shift were
investigated for an IRS-assisted NOMA … the IRS-assisted CR-NOMA (IRS-CR-NOMA) scheme …

… NOMA is analyzed with the exact end-to-end bit error probability. In [14], the performance of
uplink NOMA in … In [15], the error rate performance of relay-assisted NOMA in an underlay …