EP-based joint active user detection and channel estimation for massive machine-type communications

J Ahn, B Shim, KB Lee - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Massive machine-type communication (mMTC) is a newly introduced service category in 5G
wireless communication systems to support a variety of Internet-of-Things (IoT) applications …

MAP-based active user and data detection for massive machine-type communications

BK Jeong, B Shim, KB Lee - IEEE Transactions on Vehicular …, 2018 - ieeexplore.ieee.org
With the advent of the Internet of things, massive machine-type communications (mMTC)
have become one of the most important requirements for next generation communication …

Joint user identification and channel estimation via exploiting spatial channel covariance in mMTC

H Djelouat, M Leinonen, L Ribeiro… - IEEE Wireless …, 2021 - ieeexplore.ieee.org
Grant-free random access is a key enabler in massive machine-type communications
(mMTC) to reduce signalling overhead and latency thereby improving the energy efficiency …

Massive random access with sporadic short packets: Joint active user detection and channel estimation via sequential message passing

JC Jiang, HM Wang - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
This paper considers an uplink massive machine-type communication (mMTC) scenario,
where a large number of user devices are connected to a base station (BS). A novel grant …

Compressive sensing-based adaptive active user detection and channel estimation: Massive access meets massive MIMO

M Ke, Z Gao, Y Wu, X Gao… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
This paper considers massive access in massive multiple-input multiple-output (MIMO)
systems and proposes an adaptive active user detection and channel estimation scheme …

Active user detection and channel estimation for massive machine-type communication: Deep learning approach

Y Ahn, W Kim, B Shim - IEEE Internet of Things Journal, 2021 - ieeexplore.ieee.org
Recently, massive machine-type communications (mMTCs) have become one of key use
cases for 5G. In order to support massive users transmitting small data packets at low rates …

Sparsity learning-based multiuser detection in grant-free massive-device multiple access

T Ding, X Yuan, SC Liew - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
In this paper, we study the multiuser detection (MUD) problem for a grant-free massive-
device multiple access (MaDMA) system, where a large number of single-antenna user …

Detection techniques for massive machine-type communications: Challenges and solutions

RB Di Renna, C Bockelmann, RC de Lamare… - IEEE …, 2020 - ieeexplore.ieee.org
Massive machine-type communications (mMTC) is one of the key application scenarios of
fifth generation (5G) and beyond cellular networks. Bringing the unique technical challenge …

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 …

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 …