Robust transmission for massive MIMO downlink with imperfect CSI

AA Lu, X Gao, W Zhong, C Xiao… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… The imperfect CSI for each UE obtained at the BS is modeled as statistical CSI under a … the
precoder design reduces to the power allocation optimization in the beam domain. Simulation …

Energy-efficient resource allocation with imperfect CSI in NOMA-based D2D networks with SWIPT

Y Xu, Z Liu, Z Yang, C Huang - 2021 IEEE Wireless …, 2021 - ieeexplore.ieee.org
… problem with perfect CSI [10], we consider imperfect CSI and describe CSI error model as
… scenarios where it is hard to obtain the accurate CSI due to high mobility [11]. Moreover, our …

Masked beamforming for multiuser MIMO wiretap channels with imperfect CSI

M Pei, J Wei, KK Wong, X Wang - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
CSI case. This is because the interference caused by imperfect CSI requires the BS to allocate
… Next, we evaluate the performance of the proposed robust scheme with imperfect CSI at …

Energy-efficient resource allocation for multicarrier NOMA systems with imperfect CSI

X Wan, E Li, Z Wang, Z Fan - 2021 IEEE 4th International …, 2021 - ieeexplore.ieee.org
… We concentrate on EE resource allocation for a multiple user and MC system with imperfect
… the power allocation and subcarriers assignment based on the EE with imperfect CSI. The …

Joint interference alignment and power allocation for multi-user MIMO interference channels under perfect and imperfect CSI

FH Panahi, T Ohtsuki, W Jiang… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
… are designed under the assumption that CSI feedback is error-free (ie, perfect CSI at each
BS), in this paper (see Section III. C), we obtain the local CSI at BSs from the estimation of the …

Transmission control with imperfect CSI in channel-aware slotted ALOHA networks

SH Wang, YWP Hong - IEEE transactions on wireless …, 2009 - ieeexplore.ieee.org
allocation policies have been derived to improve the network throughput by exploiting
knowledge of the channel state information (CSI) on each transmission link. With perfect CSI, a …

Secure transmission for NOMA-based cognitive radio networks with imperfect CSI

Z Shang, T Zhang, G Hu, Y Cai… - IEEE Communications …, 2021 - ieeexplore.ieee.org
… It is also observed that the EST of the FD-NOMA-based CRNs with imperfect CSI is superior
… -based CRNs with imperfect CSI on system performance. A power allocation scheme of FD …

Beamforming and power optimization for physical layer security of MIMO-NOMA based CRN over imperfect CSI

N Nandan, S Majhi, HC Wu - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
… However, none of the above works gives any deep perception of power allocation for PLS
for NOMA over imperfect CSI. Thus, one can conclude that the existing schemes are required …

Joint scheduling and resource allocation in the OFDMA downlink: Utility maximization under imperfect channel-state information

R Aggarwal, M Assaad, CE Koksal… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
… ) may be difficult to maintain at the base-station, especially when the number of users and/or
subchannels is large, we consider scheduling and resource allocation under imperfect CSI, …

Optimal resource allocation for quality-of-service in d2d communication underlying imperfect csi

T Rathod, R Gupta, S Tanwar… - 2021 IEEE 6th …, 2021 - ieeexplore.ieee.org
… To mitigate these issues, we propose a Heuristic-based optimal resource allocation scheme
for the D2D communication network under imperfect channel state information (CSI). Both …