Hybrid MMSE precoding and combining designs for mmWave multiuser systems

DHN Nguyen, LB Le, T Le-Ngoc, RW Heath - IEEE Access, 2017 - ieeexplore.ieee.org
Hybrid analog/digital precoding architectures are a low-complexity alternative for fully digital
precoding in millimeter-wave (mmWave) MIMO wireless systems. This is motivated by the …

Rate-splitting multiple access: Unifying NOMA and SDMA in MISO VLC channels

S Naser, PC Sofotasios, L Bariah… - IEEE Open Journal …, 2020 - ieeexplore.ieee.org
The increased proliferation of connected devices requires a development of innovative
technologies for the next generation of wireless systems. One of the key challenges …

Hybrid MMSE precoding for mmWave multiuser MIMO systems

DHN Nguyen, LB Le, T Le-Ngoc - 2016 IEEE international …, 2016 - ieeexplore.ieee.org
Millimeter-wave (mmWave) communication has emerged as one of the most promising
technologies to deal with the increasing demand in data transmissions over wireless …

Matrix-inverse-free deep unfolding of the weighted MMSE beamforming algorithm

L Pellaco, M Bengtsson, J Jaldén - IEEE Open Journal of the …, 2021 - ieeexplore.ieee.org
Downlink beamforming is a key technology for cellular networks. However, computing
beamformers that maximize the weighted sum rate (WSR) subject to a power constraint is an …

Deep reinforcement learning based end-to-end multiuser channel prediction and beamforming

M Chu, A Liu, VKN Lau, C Jiang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, reinforcement learning (RL) based end-to-end channel prediction (CP) and
beamforming (BF) algorithms are proposed for multi-user downlink system. Different from the …

Physical layer security in downlink of cell-free massive MIMO with imperfect CSI

DA Tubail, M Alsmadi, S Ikki - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates the threat of passive eavesdropping on downlink cell-free massive
MIMO (CF-MaMIMO) systems, examining in a particular system under the effects of imperfect …

Multi-user hybrid MIMO at 60 GHz using 16-antenna transmitters

S Blandino, G Mangraviti, C Desset… - … on Circuits and …, 2018 - ieeexplore.ieee.org
Given the high throughput requirement for the next generation wireless communication
systems, merging millimeter wave technologies and multi-user MIMO seems a very …

Deep unfolding of the weighted MMSE beamforming algorithm

L Pellaco, M Bengtsson, J Jaldén - arXiv preprint arXiv:2006.08448, 2020 - arxiv.org
Downlink beamforming is a key technology for cellular networks. However, computing the
transmit beamformer that maximizes the weighted sum rate subject to a power constraint is …

Subchannel allocation and hybrid precoding in millimeter-wave OFDMA systems

VN Ha, DHN Nguyen, JF Frigon - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Constrained by the number of transmitted data streams, this paper proposes sub-carrier
allocation (SA) and hybrid precoding (HP) designs for sum-rate maximization in mm-wave …

Hybrid precoding using out-of-band spatial information for multi-user multi-RF-chain millimeter wave systems

Z Li, C Zhang, IT Lu, X Jia - IEEE Access, 2020 - ieeexplore.ieee.org
With a tremendous amount of underutilized bandwidth, millimeter wave (mmWave)
communication is a promising solution to meet the increasing data-rate demands. To deal …