… However, [3] and [4] require the number of users to be large enough so that users with
channel which matches the beamforming at BS can be selected. Signal alignment (SA)based …

… overlay cognitive non-orthogonal multiple access (NOMA) … own information simultaneously
using the NOMA principle. For this… Thereby, considering the realistic assumption of the NOMA-…

… user selection scheme was proposed to enhance the secrecy outage performance for a
cooperative NOMA… In [30], the analysis of secrecy rate was carried out for a cooperative NOMA-…

… users (SUs) in underlay cognitive radio–based nonorthogonal multiple access (CR-NOMA) …
Results have shown that proper selection of NOMA power allocation coefficient can lead to …

… work It design the joint signal detection and PA system for multiple NOMA users using DL. …
(by PA) among users in real time scenario. Further, MUD in given MIMO-NOMA using DL was …

… By using NOMA technique in each beam, intra-beam superposition precoding at the … Firstly,
the method of [11] was adopted to cluster users and select cluster heads. Assume that Mg(g …

… 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) …

… 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 …