Scalable cell-free massive MIMO systems: Impact of hardware impairments
A Papazafeiropoulos, E Björnson… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Standard cell-free (CF) massive multiple-input-multiple-output (mMIMO) systems is a
promising technology to cover the demands for higher data rates in fifth-generation (5G) …
promising technology to cover the demands for higher data rates in fifth-generation (5G) …
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 …
massive multiple-input multiple-output (MIMO) system with imperfect hardware. At the RIS …
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 …
which the access points are connected to the central processing unit (CPU) through a …
Impact of antenna distribution on spectral and energy efficiency of cell-free massive MIMO with transmit power control algorithms
M Ito, I Kanno, K Yamazaki, Y Kishi… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems are expected to
provide faster and more robust connections to user equipments by cooperation of a massive …
provide faster and more robust connections to user equipments by cooperation of a massive …
Two-timescale design for active STAR-RIS aided massive MIMO systems
A Papazafeiropoulos, H Ge… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a
promising implementation of RIS-assisted systems that enables full-space coverage …
promising implementation of RIS-assisted systems that enables full-space coverage …
Cell-free massive MIMO: A new next-generation paradigm
Cell-free (CF) massive multiple-input-multiple-output (MIMO) systems have a large number
of individually controllable antennas distributed over a wide area for simultaneously serving …
of individually controllable antennas distributed over a wide area for simultaneously serving …
Cell-free massive MIMO-OFDM: Asynchronous reception and performance analysis
G Li, S Wu, C You, W Zhang, G Shang… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Cell-free massive multiple-input–multiple-output (CF mMIMO) is a promising technology to
enhance the spectrum efficiency in future wireless systems by leveraging distributed access …
enhance the spectrum efficiency in future wireless systems by leveraging distributed access …
Distributed joint receiver design for uplink cell-free massive MIMO
The majority of works on cell-free massive multiple-input multiple-output (MIMO) adopt
uncoordinated transmit/receive strategies at the base stations (BSs) to avoid extensive …
uncoordinated transmit/receive strategies at the base stations (BSs) to avoid extensive …
Reconfigurable intelligent surface-assisted massive MIMO: Favorable propagation, channel hardening, and rank deficiency [lecture notes]
Massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surface (RIS)
are two promising technologies for 5G-and-beyond wireless networks, capable of providing …
are two promising technologies for 5G-and-beyond wireless networks, capable of providing …
On the energy efficiency of multi-cell massive MIMO with beamforming training
This paper is concerned with a multi-cell downlink (DL) massive multiple-input multiple-
output (MIMO) system operating over spatially correlated Rician fading channels. We not …
output (MIMO) system operating over spatially correlated Rician fading channels. We not …