Compressive sensing-based grant-free massive access for 6G massive communication

Z Gao, M Ke, Y Mei, L Qiao, S Chen… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
The envisioned sixth-generation (6G) of wireless communications is expected to give rise to
the necessity of connecting very large quantities of heterogeneous wireless devices, which …

RIS-aided cell-free massive MIMO systems for 6G: Fundamentals, system design, and applications

E Shi, J Zhang, H Du, B Ai, C Yuen… - Proceedings of the …, 2024 - ieeexplore.ieee.org
An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …

Two-phase unsourced random access in massive MIMO: Performance analysis and approximate message passing decoder

JC Jiang, HM Wang - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
In this paper, we design a novel two-phase unsourced random access (URA) scheme in
massive multiple input multiple output (MIMO). In the first phase, we collect a sequence of …

A Fully Bayesian Approach for Massive MIMO Unsourced Random Access

JC Jiang, HM Wang - IEEE Transactions on Communications, 2023 - ieeexplore.ieee.org
In this paper, we propose a novel fully Bayesian approach for the massive multiple-input
multiple-output (MIMO) massive unsourced random access (URA). The payload of each user …

Joint User Detection and Channel Estimation in Grant‐Free Random Access for Massive MIMO Systems

Y Yang, G Song, H Liu - Journal of Electrical and Computer …, 2023 - Wiley Online Library
Grant‐free random access (RA) utilizing massive multiple‐input multiple‐output (MIMO)
technology has attracted considerable attention in recent years due to its potential to …

Joint Device Activity Detection and Channel Estimation for mMTC

C Ji, J Dai, H Fu, W Xu - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
Massive machine-type communication (mMTC) is characterized by sporadic device activities
and angular-sparse channels, creating an opportunity for efficient joint device active …

Correlation Aided Joint Activity Detection and Channel Estimation for Multi-Device Collaborative Massive Access

Y Li, S Chen, W Meng, C Li - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
This article investigates an uplink grant-free massive access (GF-MA) system, where a large
number of Internet of Things devices collaborate to achieve complex applications. For this …

Joint space-time sparsity based jamming detection for mission-critical mMTC networks

SD Wang, HM Wang, Z Li… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
For mission-critical massive machine-type communications (mMTC) applications, the
messages are required to be delivered in real-time. However, due to the weak security …

Dynamic Unsourced Random Access with Massive MIMO

JC Jiang, HM Wang - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
In this paper, we propose a novel dynamic unsourced random access (URA) framework for
massive multiple-input multiple-output (MIMO) uplink access. Unlike the existing studies …

[图书][B] Millimeter-Wave/Sub-Terahertz Ultra-Massive MIMO Transmission Technology

Z Gao, Z Wan, Y Mei, K Ying, K Wang - 2023 - Springer
After about forty years of leap forward, the mobile communications have greatly reshaped
people's life and promoted the development of our society. With the official …