Multi-user massive MIMO communication systems based on irregular antenna arrays

X Ge, R Zi, H Wang, J Zhang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In practical mobile communication engineering applications, surfaces of antenna array
deployment regions are usually uneven. Therefore, massive multi-input-multi-output (MIMO) …

Hybrid structure in massive MIMO: Achieving large sum rate with fewer RF chains

D Ying, FW Vook, TA Thomas… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) systems can attain a high channel capacity
and spectral efficiency by using a very large antenna array at the base station (BS) …

Frequency reuse of beam allocation for multiuser massive MIMO systems

J Wang, H Zhu, NJ Gomes… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Massive multiple-input-multiple-output (MIMO) has become a promising technique to
provide high-data-rate communication in fifth-generation mobile systems, thanks to its ability …

Performance analysis and location optimization for massive MIMO systems with circularly distributed antennas

A Yang, Y Jing, C Xing, Z Fei… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
We analyze the achievable rate of the uplink of a single-cell multi-user distributed massive
multiple-input-multiple-output (MIMO) system. Each user is equipped with single antenna …

Achievable sum-rate analysis for massive MIMO systems with different array configurations

W Tan, S Jin, J Wang, Y Huang - 2015 IEEE Wireless …, 2015 - ieeexplore.ieee.org
In this paper, we investigate the achievable ergodic sum-rate for multiuser massive multiple-
input multiple-output systems, where different array configurations such as uniform linear …

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 …

Multi-cell multiuser massive MIMO networks: User capacity analysis and pilot design

N Akbar, N Yang, P Sadeghi… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
We propose a novel pilot sequence design to mitigate pilot contamination in multi-cell
multiuser massive multiple-input multiple-output networks. Our proposed design generates …

Massive MIMO with multi-antenna users: When are additional user antennas beneficial?

X Li, E Björnson, S Zhou, J Wang - 2016 23rd International …, 2016 - ieeexplore.ieee.org
We analyze the performance of massive MIMO systems with N-antenna users. The benefit is
that N streams can be multiplexed per user, at the price of increasing the channel estimation …

On massive MIMO zero-forcing transceiver using time-shifted pilots

S Jin, X Wang, Z Li, KK Wong… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Massive multiple-input–multiple-output (MIMO) antenna system implies the use of a large
number of base station (BS) antennas to serve a relatively small number of user terminals …

On the impact of antenna array geometry on indoor wideband massive MIMO networks

M Temiz, E Alsusa, L Danoon… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Multi-user massive multiple-input-multiple-output (massive MIMO) will play a key role in
future wireless communication networks. Since spatial channel diversity is the fundamental …