… for uplink NOMA transmission in an IRS-assisted cognitive … of both primary users (PUs) and
secondary users, we formulate … of ∆h,m is known, we uniformly select Q1 ⩾ N1 and Q2 ⩾ N2 …

… (NOMA) and relay selection strategy to benefit extra advantage from traditional cognitive radio
(… In particular, we study such energy harvesting CR-NOMA using amplify-and-forward (AF) …

… efficient AS algorithms for two commonly used scenarios: NOMA with fixed power allocation
(F-NOMA) and NOMA with cognitive radio-inspired power allocation (CR-NOMA). For the F-…

… between the primary and secondary users in the selection of the interference threshold. In
… distance between ST and the primary user will enhance the cognitive gains, and the com…

… cognitive relay systems combined with the NOMA technique. To tackle realworld challenges
in wireless systems, including the large number of users… -based cognitive radio relay NOMA …

… non-orthogonal multiple access (NOMA) system underlying cognitive networks which …
user relaying and selection combining. The selected relay among candidate near users is …

… (EE) for a NOMA system with hardware impairments and … NOMA system with/without perfect
CSI. Considering a partial relay selection (PRS) scheme and self-interference for a NOMA …

… user by exploiting the prior information obtained from NOMA … NOMA (CM-NOMA) scheme,
where the multicast user group … by all of the secondary users except the selected relay Un∗ . …

… analyzed for different relay selection schemes with multiple … of secondary NOMA users in
the underlay CR-NOMA relaying … ImpSIC on the OP of NOMA users. All analytical derivations …

… (PSOCRN)) to optimize the secondary throughput with the constraint that the PBS can
decode the signal from the selected PTx and the EAV cannot decode the STx’s secret signal. …