Delay-phase precoding for wideband THz massive MIMO

L Dai, J Tan, Z Chen, HV Poor - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
Benefiting from tens of GHz of bandwidth, terahertz (THz) communication has become a
promising technology for future 6G network. To deal with the serious propagation loss of THz …

Wideband beam tracking in THz massive MIMO systems

J Tan, L Dai - IEEE Journal on Selected Areas in …, 2021 - ieeexplore.ieee.org
Terahertz (THz) massive multiple-input multiple-output (MIMO) has been considered as one
of the promising technologies for future 6G wireless communications. It is essential to obtain …

MIMO channel information feedback using deep recurrent network

C Lu, W Xu, H Shen, J Zhu… - IEEE Communications …, 2018 - ieeexplore.ieee.org
In a multiple-input multiple-output (MIMO) system, the availability of channel state
information (CSI) at the transmitter is essential for performance improvement. Recent …

Efficient downlink channel reconstruction for FDD multi-antenna systems

Y Han, TH Hsu, CK Wen, KK Wong… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we propose an efficient downlink channel reconstruction scheme for a
frequency-division-duplex multi-antenna system by utilizing uplink channel state information …

Channel-covariance and angle-of-departure aided hybrid precoding for wideband multiuser millimeter wave MIMO systems

Y Chen, D Chen, T Jiang… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Hybrid precoding is essential for millimeter wave (mmWave) multiple-input multiple output
(MIMO) systems due to its inherent advantage of a high gain, whilst alleviating the high cost …

RIS-aided mmWave MIMO channel estimation using deep learning and compressive sensing

A Abdallah, A Celik, MM Mansour… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) assisted wireless systems require accurate channel
state information (CSI) to control wireless channels and improve both the bandwidth and …

A scalable and statistically robust beam alignment technique for millimeter-wave systems

X Song, S Haghighatshoar… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Millimeter-wave (mm-wave) frequency bands provide an opportunity for much wider channel
bandwidth compared with the traditional sub-6-GHz band. Communication at mm-waves is …

Deep CSI compression for massive MIMO: A self-information model-driven neural network

Z Yin, W Xu, R Xie, S Zhang, DWK Ng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In order to fully exploit the advantages of massive multiple-input multiple-output (mMIMO), it
is critical for the transmitter to accurately acquire the channel state information (CSI). Deep …

AnciNet: An efficient deep learning approach for feedback compression of estimated CSI in massive MIMO systems

Y Sun, W Xu, L Fan, GY Li… - IEEE Wireless …, 2020 - ieeexplore.ieee.org
Accurate channel state information (CSI) feedback plays a vital role in improving the
performance gain of massive multiple-input multiple-output (m-MIMO) systems, where the …

Dimension reduced channel feedback for reconfigurable intelligent surface aided wireless communications

D Shen, L Dai - IEEE Transactions on Communications, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) has recently received extensive research interest
due to its capability to intelligently change the wireless propagation environment. For RIS …