Sensing user's activity, channel, and location with near-field extra-large-scale MIMO

L Qiao, A Liao, Z Li, H Wang, Z Gao… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This paper proposes a grant-free massive access scheme based on the millimeter wave
(mmWave) extra-large-scale multiple-input multiple-output (XL-MIMO) to support massive …

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 …

Massive access in extra large-scale MIMO With mixed-ADC over near-field channels

Y Mei, Z Gao, D Mi, M Zhou, D Zheng… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Massive connectivity for extra large-scale multi-input multi-output (XL-MIMO) systems is a
challenging issue due to the near-field access channels and the prohibitive cost. In this …

Direct localization for massive MIMO

N Garcia, H Wymeersch, EG Larsson… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Large-scale MIMO systems are well known for their advantages in communications, but they
also have the potential for providing very accurate localization, thanks to their high angular …

Toward extra large-scale MIMO: New channel properties and low-cost designs

Y Han, S Jin, M Matthaiou, TQS Quek… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Extra large-scale multiple-input–multiple-output (MIMO) has been recognized as one of the
potential development directions of massive MIMO. By employing even more antennas than …

Location-based visible region recognition in extra-large massive MIMO systems

D Liu, J Wang, Y Li, Y Han, R Ding… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Extra-large massive multiple-input multiple-output (XL-MIMO) is envisioned to be a
promising technology for 6G wireless, where the number of antennas is greatly increased to …

Joint activity detection and channel estimation for massive IoT access based on millimeter-wave/terahertz multi-panel massive MIMO

H Xiu, Z Gao, A Liao, Y Mei, D Zheng… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The multi-panel array, as a state-of-the-art antenna-in-package technology, is very suitable
for millimeter-wave (mmWave)/terahertz (THz) systems, due to its low-cost deployment and …

Blind Grant-Free Random Access with Message Passing Based Matrix Factorization in mmWave MIMO mMTC

Z Yuan, F Liu, Q Guo, X Yuan… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Grant-free random access is promising in achieving massive connectivity with sporadic
transmissions in massive machine-type communications (mMTCs) for Internet of Things (IoT) …

Compressive sensing-based joint activity and data detection for grant-free massive IoT access

Y Mei, Z Gao, Y Wu, W Chen, J Zhang… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Massive machine-type communications (mMTC) are poised to provide ubiquitous
connectivity for billions of Internet-of-Things (IoT) devices. However, the required low-latency …

Near-field channel estimation for extremely large-scale array communications: A model-based deep learning approach

X Zhang, Z Wang, H Zhang… - IEEE Communications …, 2023 - ieeexplore.ieee.org
Extremely large-scale massive MIMO (XL-MIMO) has been reviewed as a promising
technology for future wireless communications. The deployment of XL-MIMO, especially at …