Massive MIMO in spectrum sharing networks: Achievable rate and power efficiency

L Wang, HQ Ngo, M Elkashlan, TQ Duong… - IEEE Systems …, 2015 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) is one of the key technologies for fifth
generation and can substantially improve energy and spectrum efficiencies. This paper …

Underlay spectrum sharing in massive MIMO systems

R Saif, Z Pourgharehkhan… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
We consider an underlay spectrum sharing scheme, where a multi-user massive MIMO
network (referred to as the primary network (PN)) allows another multi-user massive MIMO …

Multi-cell massive MIMO uplink with underlay spectrum sharing

H Al-Hraishawi, GAA Baduge, HQ Ngo… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The achievable rates are investigated for multi-cell multi-user massive multiple-input
multiple-output (MIMO) systems with underlay spectrum sharing. A general pilot sharing …

Exploiting underlay spectrum sharing in cell-free massive MIMO systems

DL Galappaththige, GAA Baduge - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We investigate the coexistence of underlay spectrum sharing in cell-free massive multiple-
input multiple-output (MIMO) systems. A primary system with geographically distributed …

Massive MIMO relay networks with underlay spectrum sharing

Y Li, D Kudathanthirige… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The achievable rates of multicell/multiuser massive multiple-input multiple-output (MIMO)
relay networks with underlay spectrum sharing are investigated for imperfect/perfect channel …

Downlink spectral efficiency of cell-free massive MIMO systems with multi-antenna users

TC Mai, HQ Ngo, TQ Duong - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper studies a cell-free massive multiple-input multiple-output (MIMO) system where
its access points (APs) and users are equipped with multiple antennas. Two transmission …

Power allocation schemes for multicell massive MIMO systems

Q Zhang, S Jin, M McKay… - Ieee transactions on …, 2015 - ieeexplore.ieee.org
This paper investigates the sum-rate gains brought by power allocation strategies in
multicell massive multiple-input-multiple-output systems, assuming time-division duplex …

Learning-based downlink power allocation in cell-free massive MIMO systems

M Zaher, ÖT Demir, E Björnson… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper considers a cell-free massive multiple-input multiple-output (MIMO) system that
consists of a large number of geographically distributed access points (APs) serving multiple …

Dynamic resource allocation in co-located and cell-free massive MIMO

Z Chen, E Björnson, EG Larsson - IEEE Transactions on Green …, 2019 - ieeexplore.ieee.org
In this paper, we study joint power control and scheduling in uplink massive multiple-input-
multiple-output (MIMO) systems with randomly arriving data traffic. We consider both co …

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 …