Non-orthogonal multiple access (NOMA) has recently attracted the academic and industrial
interest, due to offering higher spectral efficiency and connectivity compared to conventional …

Non-orthogonal multiple access (NOMA) is a key to multiple access techniques for the next
generation 5G wireless communication networks. In this paper, to improve the performance …

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 …

In this paper, we propose a coordinated direct and relay transmission scheme based on non-
orthogonal multiple access (NOMA), where the relay and cell-center user operate in full …

This paper analyzes the secrecy capacity of a cooperative relaying system using non-
orthogonal multiple access (NOMA). A new cooperative NOMA scheme is proposed, where …

In this paper, we propose secure relaying transmission protocols using rateless codes,
where a source sends encoded packets to two intended destinations via help of …

The non-orthogonal multiple access (NOMA) schemes, where the users are allowed to
share the same time-frequency resource, have recently received a major interest to meet the …

Non-orthogonal multiple access (NOMA) is an important technology for the forthcoming 5 G
and beyond. However, its privacy often suffers from adversarial eavesdropping, especially …

Non-orthogonal multiple access (NOMA) can be combined with physical layer security
technology to greatly improve spectral efficiency while tackling security issues for the …

Non-orthogonal multiple access (NOMA) is very promising for future wireless systems thanks
to its spectral efficiency. In NOMA schemes, the imperfect successive interference canceler …