Security performance and the impact of imperfect channel state information (CSI) in underlay
cooperative cognitive networks (UCCN) is investigated in this paper. In the proposed …

In this paper, an underlay cooperative cognitive network using a non-orthogonal multiple
access (UCCN-NOMA) system is investigated, in which the intermediate multiple relays help …

This paper investigates physical layer security (PLS) in nonorthogonal multiple access-
enabled (NOMA-enabled) cognitive radio networks (CRNs). Considering an existing …

This paper investigates physical layer security (PLS) in cognitive radio inspired non-
orthogonal multiple access (CR-NOMA) networks with multiple primary and secondary …

This letter studies the secure transmission issue of non-orthogonal multiple access (NOMA)
based cognitive radio networks (CRNs) with imperfect channel state information (CSI) …

In this article, physical layer security is investigated in a non-orthogonal multiple access
(NOMA) network with unmanned aerial vehicle (UAV) relay in the context of underlay …

This paper investigates the physical layer security of non-orthogonal multiple access
(NOMA) with decode-and-forward (DF) relays in underlay cognitive radio (CR) network …

Cooperative communication that integrates cognitive radio and non-orthogonal multiple
access is recognized as an emerging technology for fifth-generation and beyond wireless …

Cooperative non-orthogonal multi access communication is a promising paradigm for the
future wireless networks because of its advantages in terms of energy efficiency, wider …

Cognitive radio (CR) and non-orthogonal multiple access (NOMA) can be regarded as two
promising technologies which bestows with tremendous possible solutions for the next …