Reconfigurable-intelligent-surface empowered wireless communications: Challenges and opportunities

X Yuan, YJA Zhang, Y Shi, W Yan… - IEEE wireless …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware
technology to improve the spectrum and energy efficiency of wireless networks by artificially …

Massive MIMO: survey and future research topics

DC Araújo, T Maksymyuk, ALF de Almeida… - Iet …, 2016 - Wiley Online Library
Massive multiple‐input multiple‐output technology has been considered a breakthrough in
wireless communication systems. It consists of equipping a base station with a large number …

Model-driven deep learning for MIMO detection

H He, CK Wen, S Jin, GY Li - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
In this paper, we investigate the model-driven deep learning (DL) for MIMO detection. In
particular, the MIMO detector is specially designed by unfolding an iterative algorithm and …

Matrix-calibration-based cascaded channel estimation for reconfigurable intelligent surface assisted multiuser MIMO

H Liu, X Yuan, YJA Zhang - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) is envisioned to be an essential component of the
paradigm for beyond 5G networks as it can potentially provide similar or higher array gains …

On low-resolution ADCs in practical 5G millimeter-wave massive MIMO systems

J Zhang, L Dai, X Li, Y Liu… - IEEE Communications …, 2018 - ieeexplore.ieee.org
Nowadays, mmWave MIMO systems are favorable candidates for 5G cellular systems.
However, a key challenge is the high power consumption imposed by its numerous RF …

Near maximum-likelihood detector and channel estimator for uplink multiuser massive MIMO systems with one-bit ADCs

J Choi, J Mo, RW Heath - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In massive multiple-input multiple-output (MIMO) systems, it may not be power efficient to
have a pair of high-resolution analog-to-digital converters (ADCs) for each antenna element …

Throughput analysis of massive MIMO uplink with low-resolution ADCs

S Jacobsson, G Durisi, M Coldrey… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
We investigate the uplink throughput achievable by a multiple-user (MU) massive multiple-
input multiple-output (MIMO) system, in which the base station is equipped with a large …

Channel estimation in broadband millimeter wave MIMO systems with few-bit ADCs

J Mo, P Schniter, RW Heath - IEEE Transactions on Signal …, 2017 - ieeexplore.ieee.org
We develop a broadband channel estimation algorithm for millimeter wave (mmWave)
multiple input multiple output (MIMO) systems with few-bit analog-to-digital converters …

Capacity analysis of one-bit quantized MIMO systems with transmitter channel state information

J Mo, RW Heath - IEEE transactions on signal processing, 2015 - ieeexplore.ieee.org
With bandwidths on the order of a gigahertz in emerging wireless systems, high-resolution
analog-to-digital convertors (ADCs) become a power consumption bottleneck. One solution …

Massive access in cell-free massive MIMO-based Internet of Things: Cloud computing and edge computing paradigms

M Ke, Z Gao, Y Wu, X Gao… - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
This article studies massive access in cell-free massive multi-input multi-output (MIMO)-
based Internet of Things and solves the challenging active user detection (AUD) and …