A tutorial on extremely large-scale MIMO for 6G: Fundamentals, signal processing, and applications

Z Wang, J Zhang, H Du, D Niyato, S Cui… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Extremely large-scale multiple-input-multiple-output (XL-MIMO), which offers vast spatial
degrees of freedom, has emerged as a potentially pivotal enabling technology for the sixth …

Cell-free XL-MIMO meets multi-agent reinforcement learning: Architectures, challenges, and future directions

Z Liu, J Zhang, Z Liu, H Du, Z Wang… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (mMIMO) and extremely large-scale MIMO
(XL-MIMO) are regarded as promising innovations for the forthcoming generation of wireless …

Double-layer power control for mobile cell-free XL-MIMO with multi-agent reinforcement learning

Z Liu, J Zhang, Z Liu, H **ao, B Ai - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Cell-free (CF) extremely large-scale multiple-input multiple-output (XL-MIMO) is regarded as
a promising technology for enabling future wireless communication systems. Significant …

Access point cooperation strategies for coded random access in cell-free massive MIMO

E Testi, V Tralli, E Paolini - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
In this article, grant-free uplink communication from a large number of machine-type devices
in cell-free massive MIMO networks is explored. A novel approach that leverages coded …

Joint power control and pilot assignment in cell-free massive MIMO using deep learning

MU Khan, E Testi, M Chiani… - IEEE Open Journal of the …, 2024 - ieeexplore.ieee.org
Cell-free massive MIMO (CF-mMIMO) networks leverage seamless cooperation among
numerous access points to serve a large number of users over the same time/frequency …

Uplink power control for extremely large-scale MIMO with multi-agent reinforcement learning and fuzzy logic

Z Liu, Z Liu, J Zhang, H **ao, B Ai… - IEEE INFOCOM 2023 …, 2023 - ieeexplore.ieee.org
In this paper, we investigate the uplink transmit power optimization problem in cell-free (CF)
extremely large-scale multiple-input multiple-output (XL-MIMO) systems. Instead of applying …

Deep Reinforcement Learning Enhanced Rate-Splitting Multiple Access for Interference Mitigation

ON Irkicatal, ET Ceran, M Yuksel - arxiv preprint arxiv:2403.05974, 2024 - arxiv.org
This study explores the application of the rate-splitting multiple access (RSMA) technique,
vital for interference mitigation in modern communication systems. It investigates the use of …

Deep Reinforcement Learning Aided Rate-Splitting for Interference Channels

ON Irkiçatal, M Yuksel, ET Ceran - GLOBECOM 2023-2023 …, 2023 - ieeexplore.ieee.org
Rate-splitting multiple access (RSMA) has emerged as a powerful transmission scheme to
mitigate interference in next generation communication systems. In this paper, we …

Group-Joint MMSE Complementary Based Distributed Uplink for Cell-Free Massive MIMO

Z Hong, T Li, C Li, D Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper investigates the distributed uplink for the hierarchically backhaul-linked cell-free
network with distributed processors to maximize the advantages of jointly serving under the …

Coded random access in cell-free massive MIMO networks with access point signal combining

E Testi, V Tralli, E Paolini - 2024 IEEE International Conference …, 2024 - ieeexplore.ieee.org
Grant-free uplink from a massive number of machine-type devices in cell-free massive MIMO
networks is considered. A new approach is introduced that relies on coded random access …