Terahertz multi-user massive MIMO with intelligent reflecting surface: Beam training and hybrid beamforming

B Ning, Z Chen, W Chen, Y Du… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Terahertz (THz) communications open a new frontier for the wireless network thanks to their
dramatically wider available bandwidth compared to the current micro-wave and …

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 …

Hybrid beamforming for multi-user massive MIMO systems

X Wu, D Liu, F Yin - IEEE Transactions on Communications, 2018 - ieeexplore.ieee.org
The large scale multiple-input multiple-output (MIMO) system with hybrid beamforming
(HBF) is a promising communications technology due to its excellent tradeoff between …

Integrated sensing and communications with joint beam-squint and beam-split for mmWave/THz massive MIMO

F Gao, L Xu, S Ma - IEEE Transactions on Communications, 2023 - ieeexplore.ieee.org
Integrated sensing and communications (ISAC) has attracted tremendous attention for the
future 6G wireless communications systems. To improve the transmission rates and sensing …

Wideband beamforming for hybrid massive MIMO terahertz communications

F Gao, B Wang, C Xing, J An… - IEEE Journal on Selected …, 2021 - ieeexplore.ieee.org
The combination of large bandwidth at terahertz (THz) and the large number of antennas in
massive MIMO results in the non-negligible spatial wideband effect in time domain or the …

[PDF][PDF] Prospective beamforming technologies for ultra-massive MIMO in terahertz communications: A tutorial

B Ning, Z Tian, Z Chen, C Han, J Yuan… - arXiv preprint arXiv …, 2021 - researchgate.net
Terahertz (THz) communications with a frequency band 0.1− 10 THz are envisioned as a
promising solution to future high-speed wireless communication. Although with tens of …

Beamforming technologies for ultra-massive MIMO in terahertz communications

B Ning, Z Tian, W Mei, Z Chen, C Han… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
Terahertz (THz) communications with a frequency band 0.1–10 THz are envisioned as a
promising solution to future high-speed wireless communication. Although with tens of …

Federated learning for hybrid beamforming in mm-wave massive MIMO

AM Elbir, S Coleri - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
Machine learning for hybrid beamforming has been extensively studied by using centralized
machine learning (CML) techniques, which require the training of a global model with a …

Fast channel tracking for terahertz beamspace massive MIMO systems

X Gao, L Dai, Y Zhang, T Xie, X Dai… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The recent concept of beamspace multiple input multiple output (MIMO) with discrete lens
array can utilize beam selection to reduce the number of radio-frequency chains (RF) …

Terahertz-band joint ultra-massive MIMO radar-communications: Model-based and model-free hybrid beamforming

AM Elbir, KV Mishra… - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
Wireless communications and sensing at terahertz (THz) band are increasingly investigated
as promising short-range technologies because of the availability of high operational …