On secure downlink NOMA systems with outage constraint

H Lei, R Gao, KH Park, IS Ansari… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In this work, we investigate the relationship between the reliability and security of a typical
two-user downlink non-orthogonal multiple access (NOMA) communication system. The …

Secure transmission for NOMA systems with imperfect SIC

Z Xiang, X Tong, Y Cai - China Communications, 2020 - ieeexplore.ieee.org
This paper investigates secure transmission for non-orthogonal multiple access (NOMA)
systems where the imperfect successive interference cancellation (SIC) is considered at …

Secrecy performance analysis of QoS-based non-orthogonal multiple access networks over nakagami-m fading

DD Tran, DB Ha - … Conference on Recent Advances in Signal …, 2018 - ieeexplore.ieee.org
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 …

On the security enhancement of uplink NOMA systems with jammer selection

K Cao, B Wang, H Ding, L Lv, J Tian… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We investigate physical layer security of an uplink NOMA system consisting of one base
station, multiple users and one eavesdropper. During each uplink transmission, two users …

On secure NOMA systems with transmit antenna selection schemes

H Lei, J Zhang, KH Park, P Xu, IS Ansari, G Pan… - IEEE …, 2017 - ieeexplore.ieee.org
This paper investigates the secrecy performance of a two-user downlink non-orthogonal
multiple access systems. Both single-input and single-output and multiple-input and single …

Secure transmission via beamforming optimization for NOMA networks

Y Cao, N Zhao, Y Chen, M Jin, Z Ding… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
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 …

Exploiting secrecy performance of uplink NOMA in cellular networks

MS Van Nguyen, DT Do, F Afghah, SMR Islam… - IEEE …, 2021 - ieeexplore.ieee.org
We study the secrecy transmission of uplink non-orthogonal multiple access (NOMA) with
single antenna and multi-antenna users in presence of an eavesdropper. Two phases are …

Outage probability and secrecy capacity of a non-orthogonal multiple access system

TMC Chu, HJ Zepernick - 2017 11th International Conference …, 2017 - ieeexplore.ieee.org
In this paper, we analyze the outage probability and secrecy capacity of a non-orthogonal
multiple access (NOMA) system in the presence of an eavesdropper. In order to enhance …

Secrecy analysis of a NOMA system with full duplex and half duplex relay

O Abbasi, A Ebrahimi - 2017 Iran workshop on communication …, 2017 - ieeexplore.ieee.org
In 5G wireless communication networks, Non-Orthogonal Multiple Access (NOMA) has
attracted much attention in recent years. This paper investigates physical layer security of a …

Performance of cooperative NOMA systems under passive eavesdropping

BM ElHalawany, R Ruby, T Riihonen… - 2018 IEEE global …, 2018 - ieeexplore.ieee.org
A key feature of the non-orthogonal multiple access (NOMA) technique is that users with
better channel conditions have prior information about the messages of other users. The …