Uplink performance of RIS-aided cell-free massive MIMO system over spatially correlated channels

E Shi, J Zhang, Z Wang, DWK Ng… - GLOBECOM 2022-2022 …, 2022 - ieeexplore.ieee.org
We consider a practical spatially correlated recon-figurable intelligent surface (RIS)-aided
cell-free (CF) massive multiple-input-multiple-output (mMIMO) system with multi-antenna …

Uplink performance of RIS-aided cell-free massive MIMO system with electromagnetic interference

E Shi, J Zhang, DWK Ng, B Ai - IEEE Journal on Selected Areas …, 2023 - ieeexplore.ieee.org
Cell-free (CF) massive multiple-input multiple-output (MIMO) and reconfigurable intelligent
surface (RIS) are two promising technologies for realizing future beyond-fifth generation …

Spatially correlated RIS-aided CF massive MIMO systems with generalized MR combining

E Shi, J Zhang, Y Du, Z Wang, B Ai… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this correspondence, we study the uplink ergodic net throughput of a spatially correlated
reconfigurable intelligent surface (RIS)-aided cell-free (CF) massive multiple-input multiple …

STAR-RIS assisted cell-free massive MIMO system under spatially-correlated channels

A Papazafeiropoulos, HQ Ngo… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This paper investigates the performance of downlink simultaneous transmitting and
reflecting reconfigurable intelligent surface (STAR-RIS)-assisted cell-free (CF) massive …

Generalized superimposed channel estimation for uplink RIS-aided cell-free massive MIMO systems

H Ge, N Garg, T Ratnarajah - 2022 IEEE Wireless …, 2022 - ieeexplore.ieee.org
This paper proposes a generalized superimposed channel estimation scheme for an uplink
cell-free massive multiple-input multiple-output (mMIMO) system, which is aided by several …

Two-timescale transmission design for RIS-aided cell-free massive MIMO systems

J Dai, J Ge, K Zhi, C Pan, Z Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates the performance of a two-timescale transmission design for uplink
reconfigurable intelligent surface (RIS)-aided cell-free massive multiple-input multiple-output …

Performance of Multi-RIS-aided Cell-Free Massive MIMO: Do More RISs Always Help?

B Al-Nahhas, M Obeed, A Chaaban… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Cell free (CF) massive multiple-input multiple-output (mMIMO) is a promising technology in
realizing beyond fifth generation (B5G) networks. Massive deployment of access points …

Spatially correlated reconfigurable intelligent surfaces-aided cell-free massive MIMO systems

E Shi, J Zhang, R He, H Jiao, Z Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) and cell-free (CF) massive multiple-input multiple-
output (MIMO) are two promising technologies for realizing beyond-fifth generation (5G) …

Uplink performance of cell-free massive MIMO over spatially correlated Rician fading channels

Z Wang, J Zhang, E Björnson… - IEEE Communications …, 2020 - ieeexplore.ieee.org
We consider a practical cell-free massive multiple-input-multiple-output (MIMO) system with
multi-antenna access points (APs) and spatially correlated Rician fading channels. The …

Downlink power optimization for cell-free massive MIMO over spatially correlated Rayleigh fading channels

J Qiu, K Xu, X Xia, Z Shen, W Xie - IEEE Access, 2020 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (mMIMO) is regarded as a promising
technology in the future wireless communication. This paper aims to minimize the downlink …