Jammer-aided secure communications for cooperative NOMA systems

C Yu, HL Ko, X Peng, W Xie… - IEEE Communications …, 2019 - ieeexplore.ieee.org
This letter investigates a jammer-aided cooperative non-orthogonal multiple access (NOMA)
system, where one relay is used to deliver information and other relays are acted as …

Secrecy performance analysis of relay selection in cooperative NOMA systems

Z Wang, Z Peng - IEEE Access, 2019 - ieeexplore.ieee.org
This paper investigates the security performance of two relay selection schemes for
cooperative non-orthogonal multiple access (NOMA) systems, where K randomly distributed …

Analysis on secrecy capacity of cooperative non-orthogonal multiple access with proactive jamming

C Yuan, X Tao, N Li, W Ni, RP Liu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
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 …

Evaluating secrecy performance of cooperative NOMA networks under existence of relay link and direct link

MS Van Nguyen, DT Do - International Journal of …, 2020 - Wiley Online Library
The secrecy performance of a nonorthogonal multiple access (NOMA) system is examined
in this study by employment of a dual‐hop decode‐and‐forward (DF) relay under existence …

Secure transmission design for cooperative NOMA in the presence of internal eavesdropping

B Su, W Yu, H Liu, A Chorti… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
The application of successive interference cancellation (SIC) introduces critical security risks
to cooperative non-orthogonal multiple access (NOMA) systems in the presence of …

Optimal relay selection for secure NOMA systems under untrusted users

K Cao, B Wang, H Ding, T Li… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The key idea of non-orthogonal multiple access (NOMA) is to serve multiple users in the
same frequency band to improve the spectral efficiency. Whereas a security flaw emerges in …

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 …

Enhancing secrecy for NOMA untrusted relay networks with user scheduling and jamming

B He, L Lv, L Yang, J Chen - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
This letter investigates secure transmission for a cooperative non-orthogonal multiple
access (NOMA) network consisting of multiple near users (NUs), a far user (FU) and an …

Physical layer security for cooperative NOMA systems

J Chen, L Yang, MS Alouini - IEEE Transactions on Vehicular …, 2018 - ieeexplore.ieee.org
In this correspondence, we investigate the physical layer security for cooperative
nonorthogonal multiple access (NOMA) systems, where both amplify-and-forward (AF) and …

Secrecy-enhancing design for cooperative downlink and uplink NOMA with an untrusted relay

L Lv, H Jiang, Z Ding, L Yang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
We investigate a secrecy-enhancing design for cooperative downlink and uplink non-
orthogonal multiple access (NOMA) transmissions with an untrusted relay. A source uses the …