In this article, we study the physical-layer security (PHY-security) improvement method for a
downlink nonorthogonal multiple access (NOMA) system in the presence of an active …

A novel secrecy scenario of uplink non-orthogonal multiple access (NOMA) along with
cooperative jammer (s) to improve secrecy performance is studied in this work. We first …

Owing to the eminent performance gain, non-orthogonal multiple access (NOMA) has been
regarded as a promising approach to achieve high throughput and low latency for the next …

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

Within the realm of sixth-generation (6G) wireless systems, there exist two primary
imperatives: establishing massive connections and ensuring robust data transmission …

The application of successive interference cancellation (SIC) introduces critical security risks
to cooperative non-orthogonal multiple access (NOMA) systems in the presence of …

This paper investigates secure transmission for non-orthogonal multiple access (NOMA)
systems where the imperfect successive interference cancellation (SIC) is considered at …

In this paper, we consider the physical layer security of a downlink non-orthogonal multiple
access (NOMA) system, in which users' quality of service (QoS) requirements are …

This paper investigates the secrecy outage performance for a large-scale downlink system
with full-duplex (FD) non-orthogonal multiple access (NOMA) transmission aided by artificial …

Active reconfigurable intelligent surface (RIS) is deemed a prospective candidate to
compensate the double fading attenuation caused by the passive RIS, where each element …