… In this paper, we consider the outage constrained sum utility optimization in MIMO-NOMA
systems under imperfect CSI available at the BS and users. Considering the computational …

… MIMO-NOMA relay system over Nakagami-m channels with various fading degrees. 3) We
consider the system in the case of imperfect CSI … due to the imperfect CSI. All analysis results …

… the PLS for MIMO-NOMA based CRN when perfect channel state information (CSI) is avail…
improve the PLS for MIMO-NOMA based CRN when the imperfect CSI is available at the BS…

… In Section 3, we propose secure beamforming based on MMSE for perfect CSI. In Section 4,
we propose robust secure beamforming for imperfect CSI. Simulation results are provided in …

… to be investigated in practical case of imperfect CSI [26], [27]. … -input multiple-output NOMA
(MIMO-NOMA) with respect to … in a NOMA transmission and the imperfect CSI needs to be …

… EE maximization in NOMA systems with imperfect CSIT for gen… conditions under which
NOMA with imperfect CSI is superior … Due to channel estimation error, we assume imperfect CSI …

… 1, we consider an underlay FDNOMA-based CRNs with imperfect CSI, which includes one
secondary user (SU) transmitter (BS), a pair of SU receiver (strong user Ua and weak user Ub)…

… a two-user CNOMA system under imperfect CSI. Compared to [… study of CNOMA systems
with imperfect CSI proposed in [21] to … types of CSI estimation errors, ie, constant CSI estimation …

… Therefore, in this paper, imperfect CSI especially as small scale fading between hovering
UAVs and users is considered. The energy efficiency optimization in UAV network is studied …

… cooperative MIMO-NOMA network has been studied with imperfect CSI for only CSI based
… Also, the cooperative MIMO-NOMA network has not been examined with imperfect SIC. With …