… 17 block (CRB) selection subproblem and a cognitive radio (CR) 18 router selection subproblem.
To … time 23 and transmission order of NOMA groups, respectively. To solve 24 the CRB …

… (NOMA) network with multiple near and far-users. Different from cognitive radio (CR) inspired
CR-NOMA where cognitive … selected user, all nodes here are in the underlay mode, and re-…

… Furthermore, two cognitive modes are employed in this paper: overlay mode and underlay
mode. The performance of sum rate as well as harvested energy is evaluated, while …

… proposed scheme outperforms the conventional NOMA. With partial relay selection, authors
in [20] … link is selected to assist the transmission between the primary user and the secondary …

… -domain NOMA which is the focus of the present paper, the idea to multiplex different users
is … Corresponding to this scheme, different user selection strategies have been studied in [7] …

… cognitive NOMA network consisting of a pair of primary users (PT and PR) and a pair of
secondary users … In such a scenario, one can first apply different user selection schemes to select …

… Several of the future challenges in the integration of CR and NOMA technologies are … -carrier
cognitive NOMA, interference management, , cognitive MIMO-NOMA, relay selection/user …

… Guo, “Vickrey auctionbased secondary relay selection in cognitive hybrid satellite-terrestrial
overlay networks with non-orthogonal multiple access,” IEEE Wireless Commun. Lett., vol. 9, …

… NOMAbased cognitive ISTRNs with HIs and CEEs along with multiple eavesdroppers under
a partial terrestrial relay selection … establishes a practical NOMA-based cognitive ISTRN with …

… is proposed to classify the nodes and select the cluster heads, which seeks to improve the
transmission performance while decreasing the interference caused by NOMA. In addition, the …