STAR-RIS enabled downlink secure NOMA network under imperfect CSI of eavesdroppers

H Jia, L Ma, S Valaee - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
NOMA systems. In summary, STAR-RIS enabled downlink secure NOMA networks under
imperfect CSI … Hence, we solve (7) for all available Ω(l) (two cases for 2 users) to find the …

Resource allocation for NOMA-enabled cognitive satellite–UAV–terrestrial networks with imperfect CSI

R Liu, K Guo, K An, F Zhou, Y Wu… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
… In the case of imperfect CSI, the users restrict the system under certain interruption
tolerance. Define ωn and ωm,k denote outage probability thresholds of PU n and SU m on …

A new look on CSI imperfection in downlink NOMA systems

AT Le, DT Do - Bulletin of Electrical Engineering and Informatics, 2021 - beei.org
NOMA system in imperfect CSI case. … NOMA scheme under impact of imperfect CSI. Based
on the nature of cooperation, the near user benefits from full-duplex design to serve far user, …

An uplink cooperative NOMA based on CDRT with hardware impairments and imperfect CSI

SK Sa, AK Mishra - IEEE Systems Journal, 2023 - ieeexplore.ieee.org
… C-NOMA scheme was discussed, in which a user who was a strong one acted as a relay for
a user … , uplink and downlink C-NOMA were proposed, with both direct and relayed links [17]…

Power beacon assisted wireless power cooperative relaying using NOMA with hardware impairments and imperfect CSI

X Li, M Liu, D Deng, J Li, C Deng, Q Yu - AEU-International Journal of …, 2019 - Elsevier
… /code resource, NOMA can simultaneously support multiple users by power multiplexing. …
NOMA can enhance user fairness by allocating more power to weaker channel condition users

Performance analysis of NOMA-based AF cooperative overlay system with imperfect CSI and SIC

S Singh, M Bansal - IEEE Access, 2021 - ieeexplore.ieee.org
… ], a cooperative NOMA system is analyzed under imperfect CSI and SIC, in which the near
user is … NOMA system with imperfect CSI has been analyzed in [23] and the same system with …

Energy-efficient resource allocation for NOMA enabled MEC networks with imperfect CSI

F Fang, K Wang, Z Ding, V Leung - arXiv preprint arXiv:2009.06234, 2020 - arxiv.org
… -user, multi-BS NOMA assisted MEC network with imperfect channel state information (CSI),
in which each user … , power allocation and user association. As the main contribution, with …

Low complexity beamforming and user selection schemes for 5G MIMO-NOMA systems

C Chen, W Cai, X Cheng, L Yang… - IEEE Journal on Selected …, 2017 - ieeexplore.ieee.org
… Motivated by the aforementioned issues, this paper will discuss the BF and US subproblems
for both perfect and imperfect CSI scenarios. New low-complexity BF and US schemes will …

UAV-enabled NOMA networks analysis with selective incremental relaying and imperfect CSI

C Guo, C Guo, S Zhang, Z Ding - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
… The main idea of NOMA is to superpose multiple users’ signals with distinct power levels in
… individual signals of different users at receivers [6]. Moreover, NOMA networks may benefit …

Short-packet communications for UAV-based NOMA systems under imperfect CSI and SIC

TH Vu, TV Nguyen, QV Pham… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… source and users due to the effects 1The reasoning for deploying two paired NOMA users is
… case of more than two users by relying on hybrid NOMA-OMA schemes, ie, by allocating two …