… We consider a D2D-assisted CR model, which works under the NOMA scheme shown in
Fig… This article considers an RF-EH-enabled NOMA-based D2D-assisted CR network and …

… NOMA can be found in recent survey articles [17]–[20]. This paper focuses on a cognitive radio
(CR) inspired NOMA … users, where the use of CR-NOMA ensures that the secondary user …

… improvement of SE in IRS-assisted systems with NOMA, while EE was not considered. …
-assisted systems with NOMA, in which the system EE was maximized by alternatively optimizing …

… Passive Beamforming Optimization In this section, we optimize the passive beamforming
vector on the RIS by the given active beamformation vector {wi}. The original energy efficiency …

… -assisted NOMA … the NOMA scheme, the flying height of the UAV is also optimized in [21]
to maximize the network performance such as sum-rate, and EE etc. The performance of NOMA …

… • We investigate a CR-NOMA system in which a GBS sends signals to a PR using OMA, …
of Things (IoT) destinations (IDs) using NOMA under monitoring by an EAV. • We propose a …

… This work focuses on achieving the maximum system sum rate for the underlay NOMA
network as its main objective, by optimizing the RIS phase shift matrix and PRCs of BDs without …

… We investigate a CR-NOMA network model with discrete energy harvesting and propose
the corresponding cooperative transmission protocol, in which RS performs discrete-time …

… Thus, the CR principles were applied in the optimizations of transmit power allocation …
IRS-assisted CR-NOMA (IRS-CR-NOMA) system. The transmissions from PU to BS are assisted by …

… The system model of a two-way relay assisted CR-NOMA system in this paper is shown
in Figure 1 [19], which includes a primary transmitter (PT), a primary receiver (PR), a two-way …