… • We model the CR-NOMA network that uses the underlay mode. The secondary users
serve as relays to assist the primary users transmit signals, enhancing the QoS for the cellular-…

… NOMA-inspired jamming and relaying scheme to enhance the physical layer security of
untrusted relay … Scenarios of single-antenna and multiple-antenna relaying are both investigated. …

… (NOMA)-inspired jamming and relaying scheme to enhance the physical layer security of
untrusted relay networks… performance, and the achievable data rate for decoding z is CR,z = log …

… -forward (AF) cooperative CRNOMA network, which confirms … CRNOMA network with a full
duplex (FD) multi-antenna relay … improve secrecy performance in MIMO-NOMA system. In [13]…

… In our cooperative CR NOMA system, ST acts as an untrusted relay and hence, the
instantaneous secrecy capacity C s can be expressed as(14) C S = 1 2 log 2 ( 1 + γ PD ) - 1 2 log 2 ( …

… with an untrusted relay for a cooperative non-orthogonal multiple access (NOMA) system,
where a base station (BS) serves a near user (NU) and a far user (FU) by the NOMA principle, …

… the design of IQI-aware CR-NOMA systems. Finally, the trade-… set, the secondary NOMA user
in CR-NOMA can be reached … an untrusted relay,’’ IEEE Wireless Commun. Lett., vol. 8, no. …

… , encryption techniques become more untrustworthy. The main … the proposed FD cooperative
relay CR-NOMA network and the … a FD cooperative relay CRNOMA network consisting of a …

… multiple access (NOMA) cognitive radio (CR) system with an unmanned aerial vehicle relay
(UR… Therefore, in this paper, we consider NOMA CR with a UR with the aim of enhancing the …

… Usually an internal Eavesdropper (Eve) is an untrusted legitimate user that served from
the … In [22], the authors have discussed the energy efficiency in a two-way relay CR-NOMA …