Secure performance of AF and DF relaying in cooperative NOMA systems

N Zaghdoud, WH Alouane… - … on sciences and …, 2019 - ieeexplore.ieee.org
In this paper, we study the secrecy outage probability (SOP) and the strictly positive secrecy
capacity (SPSC) of cooperative non-orthogonal multiple access (NOMA) system with a …

Secrecy outage analysis for cooperative NOMA systems with relay selection schemes

H Lei, Z Yang, KH Park, IS Ansari, Y Guo… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper considers the secrecy outage performance of a multiple-relay assisted non-
orthogonal multiple access (NOMA) network over Nakagami-m fading channels. Two time …

Secrecy performance analysis of multi-antenna NOMA system with AF/DF relaying under external and internal eavesdropping scenarios

N Zaghdoud, AB Mnaouer, WH Alouane… - 2020 International …, 2020 - ieeexplore.ieee.org
Due to the successive interference cancellation (SIC) technique, Non orthogonal multiple
Access (NOMA) users have the capability of decoding the other paired users sharing the …

Secrecy Outage Performance Analysis for IRS-Aided Cognitive Radio NOMA Networks

TTT Nguyen, XX Nguyen… - 2022 IEEE Ninth …, 2022 - ieeexplore.ieee.org
This paper investigates the physical layer security of a cognitive radio (CR) non-orthogonal
multiple-access (NOMA) network supported by an intelligent reflecting surface (IRS). In a CR …

Secrecy energy efficiency maximization in a NOMA system

R Yao, L Yao, X Zuo, N Qi, Y Liu… - 2019 IEEE 11th …, 2019 - ieeexplore.ieee.org
In this paper, for the downlink of a non-orthogonal multiple access (NOMA) system, the
power allocation scheme is proposed for the legitimate users. Attaching importance to the …

On the Secrecy Performance of Cooperative Uplink NOMA Network with SIC Imperfections

K Kavitha, S Vappangi… - 2023 3rd International …, 2023 - ieeexplore.ieee.org
This paper investigates the physical-layer security (PLS) aspects of the uplink cooperative
non-orthogonal multiple access (NOMA) in the context of two user scenario. More …

Power optimization for enhancing secrecy of cooperative user relaying NOMA networks

Y Cao, S Wang, M Jin, N Zhao, C Xing… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
To enhance the secrecy of wireless transmission, we propose a cooperative user relaying
NOMA scheme, in which the near user works in full-duplex mode by transmitting jamming …

Power minimization for secure multi-user MISO NOMA system with energy harvesting

J Zhou, Y Sun, Q Cao, S Li, Z Sun… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) has been deemed a promising technology to
achieve high spectral efficiency. This paper investigates transmit power optimization for a …

Security-aware spectrum sharing for NOMA in cognitive radio networks with discrete-time energy harvesting

F Xiao, X Li, K Tang - Computer Communications, 2022 - Elsevier
In this paper, we propose a security-aware spectrum sharing scheme for wireless-powered
cognitive radio networks (CRNs) with non-orthogonal multiple access (NOMA). In this …

Multiple RISs for Enhancing the Secrecy Performance of NOMA Systems over Realistic Nakagami-m Fading Channels

QN Van, BC Nguyen, TM Hoang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In this article, we utilize multiple reconfigurable intelligent surfaces (RISs) to improve the
secrecy performance of non-orthogonal multiple access (NOMA) systems. In particular, multi …