… imperfect CSI, and we present robust beamforming schemes that recover a large fraction of
the performance in the perfect CSI … illustrate the benefit of the robust beamforming schemes. …

… beamforming [8] and optimal power allocation [7] have be proposed. In this paper, we focus
on robust downlink beamforming when imperfect CSI … robust downlink beamforming problem …

… -case robust beamforming solutions in a decentralized fashion with only local CSI used at
each … We also extend the worst-case robust beamforming design as well as its decentralized …

… masked beamforming … CSI for all the legitimate users but no CSI regarding the eavesdropper.
Instead of maximizing the sum secrecy rate (not possible without the eavesdropper’s CSI), …

… multi-user beamforming (MUBF) protocol that addresses the inherent sensitivity of multi-stream
systems to mobility, inter-stream interference, and imperfect channel state information. …

… joint beamforming design in IRS aided multiuser (MU) MIMO downlink transmissions under
imperfect CSI, … We would like to note that the multi-antenna user scenario and imperfect CSI …

… beamforming with low resolution ADCs is assessed in [19]. But in contrast as shown in …
beamforming system that has exclusive antennas per RF-chain (ie, sub-array hybrid beamforming)…

… the optimal solution to joint beamforming and power allocation … , in this work the imperfect
CSI is taken into account by the … The games formulated under perfect CSI and imperfect CSI …

… a MIMO beamforming system with MRC and imperfect CSI. The … Our results indicate that
imperfect CSI and discrete rate and … DD-A-1 MIMO beamforming scheme under imperfect CSI is …

… beamforming (HBF) design. This letter proposes an unsupervised deep learning neural
network (USDNN) for hybrid beamforming to … sum rate based on imperfect CSI. The simulation …