… D2D-aided FD NOMA-enhanced secure SWIPT communications with imperfect CSI, in which
D2D … in the power domain NOMA. To the best of our knowledge, the existing works cannot …

… affect the PSK signal, SM-NOMA, GSM-NOMA, and C-NOMA, which use higher-order PSK …
nonideal hardware and imperfect CSI compared to SM-NOMA, GSM-NOMA, and C-NOMA. In …

… considers the “strong” NOMA users as relays to help the “weak” users. However, as relays,
the “strong” NOMA users are threatened by power scarcity in the cooperative process. Thus, …

… In Fig.1, a downlink cooperative underlay EH-assisted CRNOMA is considered in this study.
… secondary base station (node S), a relay (R) and two distant NOMA users (U1, U2) .Such SN …

… Thus, we propose a DF-RIS assisted NOMA network under imperfect CSI and explore a
more robust beamforming design for secure green communications. The main novelty of this …

… However, imperfect SIC and CSI effects limit the performance of NOMA involved cognitive
… paper, a cooperative overlay CR-NOMA system in the presence of imperfect SIC and CSI is …

… cooperative simultaneous wireless information and power transfer (SWIPT) nonorthogonal
multiple access (NOMA) … In this article, we focus on CEEs and user to represent imperfect CSI. …

… a NOMA-based cognitive BackCom network with imperfect CSI … , we build a new multiuser
NOMA-based cognitive BackCom net… to the CIR by a NOMA way for a better system capacity. …

… of NOMA based satellite-terrestrial system with imperfect CSI and imperfect SIC under … for
the outage probability on the condition of imperfect CSI and SIC. In order to get more insights, …

… The consideration of the imperfect SIC and CSI are more … We investigate imperfect SIC and
CSI in the MH-DF-R-NOMA. … relay node for each user symbol with the imperfect CSI. Then, …