Recently, the combination of cognitive radio networks with the nonorthogonal multiple
access (NOMA) approach has emerged as a viable option for not only improving spectrum …

In this paper, we propose an innovative framework to improve the physical layer security of
cognitive radio nonorthogonal multiple access (CR-NOMA) networks. Specifically, we …

An underlay cognitive radio network (CRN) with non-orthogonal multiple access (NOMA) is
a promising multiple access scheme to solve the problem of scarce spectrum. This novel …

This paper investigates outage and throughput performance of non-orthogonal multiple
access (NOMA) based underlay cognitive radio (ie, CR-NOMA) network under partial relay …

In this paper, we conduct an investigation into the security and reliability aspects of a
cognitive non-orthogonal multiple access (NOMA) network operating under outage …

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

In this paper, a downlink security-aware resource allocation problem with delay constraint
via spectrum sensing is modeled as a mixed integer non-linear problem for non-orthogonal …

The explosive growth of mobile devices and the rapid increase of wideband wireless
services call for advanced communication techniques that can achieve high spectral …

The power domain non-orthogonal multiple access (NOMA) technique introduces one of the
fundamental characteristics and it exhibits the possibility of users to decode the messages of …

In this paper, we propose a novel robust resource allocation algorithm for downlink non-
orthogonal multiple access (NOMA) cognitive radio networks with the underlay spectrum …