Mixed quality of service in cell-free massive MIMO

M Bashar, K Cumanan, AG Burr… - IEEE …, 2018 - ieeexplore.ieee.org
A mixed quality-of-service (QoS) problem is investigated in the uplink of a cell-free massive
multiple-input multiple-output system where the minimum rate of non-real time users is …

On the uplink max–min SINR of cell-free massive MIMO systems

M Bashar, K Cumanan, AG Burr… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
A cell-free massive multiple-input multiple-output system is considered using a max-min
approach to maximize the minimum user rate with per-user power constraints. First, an …

Energy-efficient multi-cell massive MIMO subject to minimum user-rate constraints

LD Nguyen, HD Tuan, TQ Duong… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The capability of massive multiple-input multiple-output (mMIMO) systems supporting the
throughput requirement of as many users as possible is investigated. The bottleneck of …

Optimal power control and load balancing for uplink cell-free multi-user massive MIMO

TH Nguyen, TK Nguyen, HD Han - IEEE access, 2018 - ieeexplore.ieee.org
In this paper, we consider the problem of power control and load balancing in the uplink of
the cell-free (CF) multi-user (MU) massive multiple-input multiple-output system. The power …

Performance analysis of massive MIMO for cell-boundary users

YG Lim, CB Chae, G Caire - IEEE Transactions on Wireless …, 2015 - ieeexplore.ieee.org
In this paper, we consider massive multiple-input-multiple-output systems for both downlink
and uplink scenarios, where three radio units connected via one digital unit support multiple …

Improving cell-free massive MIMO networks performance: A user scheduling approach

J Denis, M Assaad - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
Cell-Free (CF) massive multiple-input multiple-output (MIMO) system is a distributed
antenna system, wherein a large number of access points wish to simultaneously …

Scalable user rate and energy-efficiency optimization in cell-free massive MIMO

HD Tuan, AA Nasir, HQ Ngo… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers a cell-free massive multiple-input multiple-output network (cfm-MIMO)
with a massive number of access points (APs) distributed across an area to deliver …

Pilot power allocation for maximising the sum rate in massive MIMO systems

HT Dao, S Kim - IET Communications, 2018 - Wiley Online Library
In this study, the authors investigate the issue of pilot power allocation in multi‐cell multi‐
user massive multiple‐inputmultiple‐output (MIMO) systems to maximize the sum rate. In …

Enhanced max-min SINR for uplink cell-free massive MIMO systems

M Bashar, K Cumanan, AG Burr… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
In this paper, we consider the max-min signal-to-interference plus noise ratio (SINR)
problem for the uplink transmission of a cell-free Massive multiple-input multiple-output …

Power allocation and user-AP connection in distributed massive MIMO systems

HT Dao, S Kim - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
Recently, distributed massive multiple-input multiple-output (MIMO) systems have gained a
lot of attention, in which many access points (APs) are deployed in a wide area to …