Hardware impaired ambient backscatter NOMA systems: Reliability and security

X Li, M Zhao, M Zeng, S Mumtaz… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) and ambient backscatter communication have
been envisioned as two promising technologies for the Internet-of-things due to their high …

Secrecy analysis of ambient backscatter NOMA systems under I/Q imbalance

X Li, M Zhao, Y Liu, L Li, Z Ding… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this correspondence, we investigate the reliability and the security of the ambient
backscatter (AmBC) non-orthogonal multiple access (NOMA) systems, where the source …

Secure transmission designs for NOMA systems against internal and external eavesdropping

K Cao, B Wang, H Ding, T Li, J Tian… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The key idea of non-orthogonal multiple access (NOMA) is to serve multiple users in the
same resource block to improve the spectral efficiency. Whereas due to the resource …

Physical-layer authentication for ambient backscatter-aided NOMA symbiotic systems

X Li, Q Wang, M Zeng, Y Liu, S Dang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Ambient backscatter communication (AmBC) and non-orthogonal multiple access (NOMA)
are two promising technologies for the future wireless communication networks owing to …

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 …

Effective capacity analysis of AmBC-NOMA communication systems

X Li, H Liu, G Li, Y Liu, M Zeng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, we propose an ambient backscatter communication non-orthogonal multiple
access (AmBC-NOMA) system framework and derive exact expressions for the effective …

Beamforming design and power allocation for secure transmission with NOMA

Y Feng, S Yan, Z Yang, N Yang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we propose a novel beamforming design to enhance physical layer security of
a non-orthogonal multiple access (NOMA) system with the aid of artificial noise (AN). The …

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 …

Physical-layer security of NOMA systems under untrusted users

BM ElHalawany, K Wu - 2018 IEEE global communications …, 2018 - ieeexplore.ieee.org
One of the main characteristics of the power-domain non-orthogonal multiple access
(NOMA) technique is the possibility of users to decode the messages of the other paired …

Enhancing physical layer security with artificial noise in large-scale NOMA networks

C Gong, X Yue, Z Zhang, X Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper investigates the secrecy outage performance for a large-scale downlink system
with full-duplex (FD) non-orthogonal multiple access (NOMA) transmission aided by artificial …