… Against this background, security provisioning for NOMA is of … of physical layer security
techniques to NOMA transmission. … for security enhancement, we present downlink and uplink …

… A NOMA-based hybrid spectrum access scheme was proposed for 6G-enabled cognitive …
the uplink resource allocations for the cognitive IoT was considered. In [1], an uplink secondary …

… During the second phase, relying on the uplink NOMA principle, the untrusted relay … -inspired
jamming and relaying scheme to enhance the physical layer security of untrusted relay …

… This work presents an efficient SPD-NOMA design for the uplink of large-scale fading and
… The achieved BER and security gap outcomes of different SPD-NOMA configurations have …

… NOMA wireless network is studied in [27]. In other hand, secrecy outage of the uplink NOMA
based … Further, secure transmission in NOMA wireless networks is achieved through chaos …

… of an uplink NOMA system with randomly distributed Eves was investigated in [21], where
the security … The PLS of NOMA systems with the usage of artificial noise (AN) for defending …

… the physical layer security of a wireless-powered full-duplex (FD) relay-aided cooperative
NOMA … Lv et al., in [12], considered a downlink and uplink cooperative NOMA system with an …

… Recently, the physical layer security (PLS) has emerged as a promising effective technique
to realize secrecy in IoT wireless communication [19,20]. Motivated by the above, in this …

… a new physical layer security metric which helps deciding on design parameters in the
SIMO-NOMA … In this study, a NOMA based uplink network with one BS and two legitimate users is …

… PHYSICAL LAYER SECURITY In this section the PLS of the proposed system model is
investigated by extracting analytical expressions for the IPs of all U2, U1 and BD. Also, useful …