Understanding O-RAN: Architecture, interfaces, algorithms, security, and research challenges

M Polese, L Bonati, S D'oro, S Basagni… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
The Open Radio Access Network (RAN) and its embodiment through the O-RAN Alliance
specifications are poised to revolutionize the telecom ecosystem. O-RAN promotes …

What will the future of UAV cellular communications be? A flight from 5G to 6G

G Geraci, A Garcia-Rodriguez, MM Azari… - … surveys & tutorials, 2022 - ieeexplore.ieee.org
What will the future of UAV cellular communications be? In this tutorial article, we address
such a compelling yet difficult question by embarking on a journey from 5G to 6G and …

A survey on beyond 5G network with the advent of 6G: Architecture and emerging technologies

A Dogra, RK Jha, S Jain - IEEE access, 2020 - ieeexplore.ieee.org
Nowadays, 5G is in its initial phase of commercialization. The 5G network will revolutionize
the existing wireless network with its enhanced capabilities and novel features. 5G New …

Multiple access for near-field communications: SDMA or LDMA?

Z Wu, L Dai - IEEE Journal on Selected Areas in …, 2023 - ieeexplore.ieee.org
Spatial division multiple access (SDMA) is essential to improve the spectrum efficiency for
multi-user multiple-input multiple-output (MIMO) communications. The classical SDMA for …

5G key technologies for smart railways

B Ai, AF Molisch, M Rupp, ZD Zhong - Proceedings of the IEEE, 2020 - ieeexplore.ieee.org
Railway communications has attracted significant attention from both academia and
industries due to the booming development of railways, especially high-speed railways …

A tutorial on environment-aware communications via channel knowledge map for 6G

Y Zeng, J Chen, J Xu, D Wu, X Xu, S **… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Sixth-generation (6G) mobile communication networks are expected to have dense
infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified …

A survey on 5G radio access network energy efficiency: Massive MIMO, lean carrier design, sleep modes, and machine learning

D López-Pérez, A De Domenico… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
Cellular networks have changed the world we are living in, and the fifth generation (5G) of
radio technology is expected to further revolutionise our everyday lives by enabling a high …

Open, programmable, and virtualized 5G networks: State-of-the-art and the road ahead

L Bonati, M Polese, S D'Oro, S Basagni, T Melodia - Computer Networks, 2020 - Elsevier
Fifth generation (5G) cellular networks will serve a wide variety of heterogeneous use cases,
including mobile broadband users, ultra-low latency services and massively dense …

Pervasive machine learning for smart radio environments enabled by reconfigurable intelligent surfaces

GC Alexandropoulos, K Stylianopoulos… - Proceedings of the …, 2022 - ieeexplore.ieee.org
The emerging technology of reconfigurable intelligent surfaces (RISs) is provisioned as an
enabler of smart wireless environments, offering a highly scalable, low-cost, hardware …

A survey of beam management for mmWave and THz communications towards 6G

Q Xue, C Ji, S Ma, J Guo, Y Xu… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Communication in millimeter wave (mmWave) and even terahertz (THz) frequency bands is
ushering in a new era of wireless communications. Beam management, namely initial …