Reconfigurable-intelligent-surface empowered wireless communications: Challenges and opportunities
Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware
technology to improve the spectrum and energy efficiency of wireless networks by artificially …
technology to improve the spectrum and energy efficiency of wireless networks by artificially …
Massive MIMO: survey and future research topics
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 …
wireless communication systems. It consists of equipping a base station with a large number …
Model-driven deep learning for MIMO detection
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 …
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
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 …
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
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 …
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
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 …
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
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 …
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
We develop a broadband channel estimation algorithm for millimeter wave (mmWave)
multiple input multiple output (MIMO) systems with few-bit analog-to-digital converters …
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
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 …
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
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 …
based Internet of Things and solves the challenging active user detection (AUD) and …