How much does reconfigurable intelligent surface improve cell-free massive MIMO uplink with hardware impairments?

Y Zhang, H Zhao, W Xia, W Xu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates the uplink performance of a general cell-free massive multiple-input
multiple-output (CF-mMIMO) system, in which all access points (APs) and user equipments …

Performance analysis of RIS-assisted cell-free massive MIMO systems with transceiver hardware impairments

Y Zhang, W Xia, H Zhao, G Zheng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Integrating reconfigurable intelligent surface (RIS) into cell-free massive multiple-input
multiple-output (MIMO) is a promising approach to enhance the coverage quality, spectral …

On the performance of reconfigurable intelligent surface-aided cell-free massive MIMO uplink

M Bashar, K Cumanan, AG Burr, P Xiao… - … 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
The uplink of a reconfigurable intelligent surfaces (RIS)-aided cell-free massive multiple-
input multiple-output (MIMO) system is analyzed, where the channel state information (CSI) …

Performance analysis and power control of cell-free massive MIMO systems with hardware impairments

J Zhang, Y Wei, E Björnson, Y Han, S Jin - IEEE Access, 2018 - ieeexplore.ieee.org
As an interesting network architecture for future wireless communication systems, cellfree
(CF) massive multiple-input multiple-output (MIMO) distributes an excess number of access …

RIS-aided cell-free massive MIMO: Performance analysis and competitiveness

B Al-Nahhas, M Obeed, A Chaaban… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
In this paper, we consider and study a cell-free massive MIMO (CF-mMIMO) system aided
with reconfigurable intelligent surfaces (RISs), where a large number of access points (APs) …

Achievable rate of a STAR-RIS assisted massive MIMO system under spatially-correlated channels

A Papazafeiropoulos, LN Tran… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RIS)-assisted massive multiple-input multiple-output
(mMIMO) is a promising technology for applications in next-generation networks. However …

Efficient receiver design for uplink cell-free massive MIMO with hardware impairments

J Zheng, J Zhang, L Zhang, X Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper investigates the effect of hardware impairments on the achievable performance
of cell-free (CF) massive multiple-input multiple-output (MIMO) systems with four low …

Is RIS-aided massive MIMO promising with ZF detectors and imperfect CSI?

K Zhi, C Pan, G Zhou, H Ren… - IEEE Journal on …, 2022 - ieeexplore.ieee.org
This paper provides a theoretical framework for understanding the performance of
reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) …

MMSE-optimal sequential processing for cell-free massive MIMO with radio stripes

ZH Shaik, E Björnson… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Cell-free massive multiple-input-multiple-output (mMIMO) is an emerging technology for
beyond 5G with its promising features such as higher spectral efficiency and superior spatial …

Performance of cell-free massive MIMO with joint user clustering and access point selection

R Wang, M Shen, Y He, X Liu - IEEE Access, 2021 - ieeexplore.ieee.org
We consider an uplink cell-free massive multiple-input multiple-output (MIMO) system, in
which the access points are connected to the central processing unit (CPU) through a …