Offset learning based channel estimation for intelligent reflecting surface-assisted indoor communication

Z Chen, J Tang, XY Zhang, Q Wu… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
The emerging intelligent reflecting surface (IRS) can significantly improve the system
capacity, and it has been regarded as a promising technology for the beyond fifth-generation …

Joint altitude and hybrid beamspace precoding optimization for UAV-enabled multiuser mmWave MIMO system

Z Chen, N Zhao, DKC So, J Tang… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The combination of unmanned aerial vehicles (UAVs) and millimeter wave (mmWave)
multiple-input multiple-out (MIMO) system is regarded as a key enabling technology for …

Channel Estimation with Reconfigurable Intelligent Surfaces--A General Framework

AL Swindlehurst, G Zhou, R Liu, C Pan, M Li - arXiv preprint arXiv …, 2021 - arxiv.org
Optimally extracting the advantages available from reconfigurable intelligent surfaces (RISs)
in wireless communications systems requires estimation of the channels to and from the RIS …

A tutorial on mathematical modeling of millimeter wave and terahertz cellular systems

D Moltchanov, E Sopin, V Begishev… - arXiv preprint arXiv …, 2021 - arxiv.org
Millimeter wave (mmWave) and terahertz (THz) radio access technologies (RAT) are
expected to become a critical part of the future cellular ecosystem providing an abundant …