Secure cooperative communications with an untrusted relay: A NOMA-inspired jamming and relaying approach

L Lv, F Zhou, J Chen, N Al-Dhahir - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
We propose a novel non-orthogonal multiple access (NOMA)-inspired jamming and relaying
scheme to enhance the physical layer security of untrusted relay networks. Particularly …

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 …

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 …

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 analysis in NOMA full-duplex relaying networks with artificial jamming

D Li, Y Cao, Z Yang, Y Chen, S Zhang… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
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 …

Secure NOMA based two-way relay networks using artificial noise and full duplex

B Zheng, M Wen, CX Wang, X Wang… - IEEE Journal on …, 2018 - ieeexplore.ieee.org
In this paper, we develop a non-orthogonal multiple access (NOMA)-based two-way relay
network with secrecy considerations, in which two users wish to exchange their NOMA …

Security at physical layer in NOMA relaying networks with cooperative jamming

B Chen, R Li, Q Ning, K Lin, C Han… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this letter, we consider a non-orthogonal multiple access (NOMA) network with a half-
duplex (HD) decode-and-forward (DF) relay to improve physical layer security (PLS) of two …

Secrecy analysis for cooperative NOMA networks with multi-antenna full-duplex relay

Y Cao, N Zhao, G Pan, Y Chen, L Fan… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In a downlink non-orthogonal multiple access (NOMA) system, the reliable transmission of
cell-edge users cannot be guaranteed due to severe channel fading. On the other hand, the …

On secure CDRT with NOMA and physical-layer network coding

H Lei, X She, KH Park, IS Ansari, Z Shi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This paper proposes a new scheme to enhance the secrecy performance of non-orthogonal
multiple access (NOMA)-based coordinated direct relay transmission (CDRT) systems with …

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 …