Robust and efficient multi-cell cooperation under imperfect CSI and limited backhaul

P Rost - IEEE transactions on wireless communications, 2013 - ieeexplore.ieee.org
… cellular networks need to harvest existing spectral resources more efficiently. Hence, networks
… The evaluation is done under consideration of limited backhaul resources and imperfect

Energy-efficient joint power allocation in uplink massive MIMO cognitive radio networks with imperfect CSI

M Cui, BJ Hu, J Tang, Y Wang - IEEE Access, 2017 - ieeexplore.ieee.org
imperfect CSI. In contrast to the previous literature which only obtained the suboptimal solutions
for EE maximization in massive MIMO systems with imperfect CSI [… under imperfect CSI. …

Robust transmit power control with imperfect CSI using a deep neural network

W Lee, K Lee - IEEE Transactions on Vehicular Technology, 2021 - ieeexplore.ieee.org
… of errors in the CSI. To this end, we propose a novel deep neural network (DNN) structure
… which artificially distorted CSI is used to compensate for the effect of imperfect CSI, such that …

Hybrid beamforming based on an unsupervised deep learning network for downlink channels with imperfect CSI

P Zhang, L Pan, T Laohapensaeng… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
… multiple-output (MIMO) system under imperfect CSI is studied in [5], … imperfect CSI in the
actual system. In [3], in the presence of interference and imperfect CSI, a two-way relay network’…

Safeguarding NOMA networks via reconfigurable dual-functional surface under imperfect CSI

W Wang, W Ni, H Tian, Z Yang… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
… Thus, we propose a DF-RIS assisted NOMA network under imperfect CSI and explore a …
infinitely many inequality constraints caused by imperfect CSI increase the difficulty of the robust …

Spectral efficiency analysis for bidirectional dynamic network with massive MIMO under imperfect CSI

Q Lv, J Li, P Zhu, X You - IEEE Access, 2018 - ieeexplore.ieee.org
… In this paper, considering that BBU has the imperfect CSI, we derive the closed-form
expressions for the uplink and downlink achievable rates in both BDN and DTDD systems. …

Design and BER performance analysis of MIMO and massive MIMO networks under perfect and imperfect CSI

S Mohanty, A Agarwal, S Mali, G Misra… - … Conference on I …, 2020 - ieeexplore.ieee.org
… the case of Imperfect Channel state information (CSI) when the … It is seen that the system in
case of imperfect CSI performs a … ZF mode when seen both under perfect and imperfect CSI. …

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

R Liu, K Guo, K An, F Zhou, Y Wu… - … and Networking, 2023 - ieeexplore.ieee.org
… of satellite-UAV-terrestrial networks assume that the system can achieve perfect CSI, which
is unrealistic. Therefore, we consider a more practical scenario with imperfect CSI, which is …

Imperfect CSI-based joint resource allocation in multirelay OFDMA networks

JB Wang, Q Su, J Wang, M Feng… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
… paper focuses on the imperfect CSI based resource allocation problem … imperfect CSI is
non-negligible, which highlights the importance of robust designs in practical wireless networks

Learning to beamform in joint multicast and unicast transmission with imperfect CSI

Z Zhang, M Tao, YF Liu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
imperfect CSI, which is more practical and thus falls into the field of robust beamforming.
Specifically, we aim to design a beamforming strategy with imperfect CSI … the neural network [36]…