Joint power control and access point scheduling in fronthaul-constrained uplink cell-free massive MIMO systems

M Guenach, AA Gorji… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Cell-free (CF) massive Multiple-Input Multiple-Output (MIMO) with large number of
distributed access points (APs) has emerged as a new paradigm allowing higher macro …

Cell-free MIMO systems powered by intelligent reflecting surfaces

T Noh, J Choi - IEEE Communications Letters, 2022 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (MIMO) and intelligent reflecting surface
(IRS) are considered as the prospective multiple antenna technologies for beyond the fifth …

Multi-agent reinforcement learning-based pilot assignment for cell-free massive MIMO systems

M Rahmani, MJ Dehghani, P Xiao, M Bashar… - IEEE …, 2022 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF-mMIMO) has been considered as one of
the potential technologies for beyond-5G and 6G to meet the demand for higher data …

Reconfigurable intelligent surface assisted massive MIMO with antenna selection

J He, K Yu, Y Shi, Y Zhou, W Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Antenna selection is capable of reducing the hardware complexity of massive multiple-input
multiple-output (MIMO) networks at the cost of certain performance degradation …

Performance analysis and optimization for RIS-assisted multi-user massive MIMO systems with imperfect hardware

Z Peng, X Chen, C Pan, M Elkashlan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The paper studies a reconfigurable intelligent surface (RIS)-assisted multi-user uplink
massive multiple-input multiple-output (MIMO) system with imperfect hardware. At the RIS …

Cell-free massive MIMO: Zero forcing and conjugate beamforming receivers

Y Zhang, H Cao, M Zhou, L Yang - Journal of Communications …, 2019 - ieeexplore.ieee.org
In this paper, the uplink performance of cell-free massive multi-input multi-output (mMIMO)
system with the zero-forcing (ZF) and conjugate beamforming (CB) receivers is investigated …

Towards optimal energy efficiency in cell-free massive MIMO systems

A Papazafeiropoulos, HQ Ngo… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Motivated by the ever-growing demand for green wireless communications and the
advantages of cell-free (CF) massive multiple-input multiple-output (mMIMO) systems, we …

[HTML][HTML] A survey on user-centric cell-free massive MIMO systems

S Chen, J Zhang, J Zhang, E Björnson, B Ai - Digital Communications and …, 2022 - Elsevier
The mobile data traffic has been exponentially growing during the last several decades. This
was enabled by the densification of the network infrastructure in terms of increased cell …

Structured massive access for scalable cell-free massive MIMO systems

S Chen, J Zhang, E Björnson… - IEEE Journal on …, 2020 - ieeexplore.ieee.org
How to meet the demand for increasing number of users, higher data rates, and stringent
quality-of-service (QoS) in the beyond fifth-generation (B5G) networks? Cell-free massive …

Statistical CSI-based transmission design for reconfigurable intelligent surface-aided massive MIMO systems with hardware impairments

J Dai, F Zhu, C Pan, H Ren… - IEEE Wireless …, 2021 - ieeexplore.ieee.org
We consider a reconfigurable intelligent surface (RIS)-aided massive multi-user multiple-
input multiple-output (MIMO) communication system with transceiver hardware impairments …