Star-ris assisted covert communications in noma systems

H Xiao, X Hu, TX Zheng… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Covert communications assisted by simultaneously transmitting and reflecting
reconfigurable intelligent surface (STAR-RIS) in non-orthogonal multiple access (NOMA) …

Covert communication of STAR-RIS aided NOMA networks

X Li, Z Tian, W He, G Chen, MC Gursoy… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This paper investigates covert communication in simultaneously transmitting and reflecting
reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access …

Covert communication in intelligent reflecting surface-assisted NOMA systems: Design, analysis, and optimization

L Lv, Q Wu, Z Li, Z Ding, N Al-Dhahir… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we investigate covert communication in an intelligent reflecting surface (IRS)-
assisted non-orthogonal multiple access (NOMA) system, where a legitimate transmitter …

Active-RIS-aided covert communications in NOMA systems with cooperative jamming

X Kang, H Lei, L Yang, G Pan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, cooperative jamming is employed to enhance the covert communication
performance of active reconfigurable intelligent surface (RIS)-aided non-orthogonal multiple …

Active RIS-NOMA-aided covert communication with hardware impairments

P Chen, L Yang, H Liu, G Pan, Y Li… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
In this letter, we investigate an active reconfigurable intelligent surface (RIS) and non-
orthogonal multiple access (NOMA)-aided covert communication system with hardware …

Covert performance enhancement in NOMA enabled CoMP network with optimal RIS selection

T Laxmikandan, T Manimekalai - Physical Communication, 2024 - Elsevier
In this paper, we consider the covert rate maximization problem for the cell edge user in a
reconfigurable intelligent surface (RIS) aided downlink non-orthogonal multiple access …

Pairing Inspired Covert Communication in Uplink NOMA Systems against SIC Warden

Y Song, Q Li, X Lu, X Jin - IEEE Communications Letters, 2024 - ieeexplore.ieee.org
In this letter, we investigate the covert communication in uplink non-orthogonal multiple
access (NOMA) system against a warden who can also execute successive interference …

Performance analysis of jammer-aided covert RIS-NOMA systems

Y Cheng, J Lu, D Niyato, B Lyu, M Xu… - … 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
In this paper, we apply covert communications to reconfigurable intelligent surface (RIS)-
assisted non-orthogonal multiple access (NOMA) networks, where a legitimate transmitter …

Covert Beamforming Design for Active RIS-Assisted NOMA-ISAC Systems

P Chen, F Xiao, L Yang, TA Tsiftsis… - 2023 IEEE Globecom …, 2023 - ieeexplore.ieee.org
In this paper, an active reconfigurable intelligent surface (RIS) is deployed to assist covert
communications in a non-orthogonal multiple access (NOMA) inspired integrated sensing …

Covert Communications in STAR-RIS Assisted NOMA IoT Networks over Nakagami-m Fading Channels

Q Li, D Xu, K Zhang, K Navaie… - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
The combination of simultaneously transmitting and reflecting-reconfigurable intelligent
surface (STAR-RIS) and nonorthogonal multiple access (NOMA) brings the necessary full …