… of relay-assisted NOMA with partial relay selection in an underlay cognitive radio network. In
this setup… In this work, we consider partial relay selection [31] with L NOMA users, where the …

… have been developed for 5G wireless networks, which include cognitive radio (CR), device-…
Recently, NOMA has emerged as a key multiple access technology for 5G wireless networks…

… to fulfill the increasing demands of radio spectrum by 5G-and-B5G wireless systems. It is
a usual practice in underlay cognitive radio networks to take assistance from intermediate …

… Differing from [19] and [20] which only considered physical layer security in non-cognitive
radio systems, we examine the secrecy transmission in cognitive radio systems. Additionally, …

… The aim of this study is to classify different dualhop Relay-assisted Cognitive Radio Network
(RCRNs) system models discussed in literature for UL spectrum access and provide a study …

… Two main relay selection techniques have been introduced … : opportunistic relay selection
(ORS) and partial relay selection (… –relays–destination are required for choosing the best relay. …

… and relay selection. The interference management for cognitive wireless networks is also …
Then, we solve the subcarrier pairing and relay selection problem in two steps. Simulation …

… relay selection methods such as optimum relay selection (optimum), … relay selection
enhancement (ORSE), suboptimal relay selection enhancement (SORSE) and partial relay selection …

… buffer-state-based relaying selection scheme in the context of cooperative cognitive radio
networks (CRNs), supporting the primary and secondary networks. In the proposed scheme, …

… of the proposed relay selection method in cognitive radio networks with energy harvesting.
The … Several results illustrate the effectiveness of the relay selection in securing information …