… is applied in CRNs with NOMA, the cognitive base station (CBS) is equipped with a large
number of antennas (eg, more than 100), which can serve multiple SUs by using NOMA, and its …

… of cognitive radio (CR) technology and non-orthogonal multiple access (NOMA) techniques,
referred to as CR-based NOMA systems, … With such integration, power domain NOMA allows …

… of both NOMA and CR, a cognitive radio-inspired NOMA (CR-NOMA) scheme was proposed
and studied in [3]. In CR-NOMA, … Compared to the conventional CR systems, higher spectral …

… due to the coexistence of CR and NOMA. The work in [14] provides a literature review on
several cognitive radio NOMA (CR-NOMA) systems that can simultaneously provide both PUs …

… We consider an overlay cognitive NOMA system consisting of a primary transmitter PT, a
primary destination PD, a secondary transmitter ST and a secondary destination SD, as shown …

… of cooperative NOMA in an underlay cognitive radio network are … a cooperative NOMA in
an underlay cognitive radio network. … NOMA with imperfect SIC in an underlay cognitive radio …

… In the next subsection, we examine the problem of allocating resources to CR users in the
NOMA system. As the resource allocation problem in NOMA systems is NP-hard and requires …

… -NOMA system model is proposed in this article to improve EE. On one hand, different from
the traditional CR network, CR-NOMA … • A SWIPT based CR-NOMA system model combined …

… (NOMA) for secondary users in underlay cognitive radio is studied. In underlay cognitive
radio … , it can be simply implemented in the practical systems. Simulation results show that the …

… NOMA system, where the users are ordered by their channel gains and paired with different
channel gains to perform NOMA … for cognitive radio inspired NOMA (CR-NOMA) system has …