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 …

[HTML][HTML] Open RAN security: Challenges and opportunities

M Liyanage, A Braeken, S Shahabuddin… - Journal of Network and …, 2023 - Elsevier
Abstract Open RAN (ORAN, O-RAN) represents a novel industry-level standard for RAN
(Radio Access Network), which defines interfaces that support inter-operation between …

Toward integrating intelligence and programmability in open radio access networks: A comprehensive survey

A Arnaz, J Lipman, M Abolhasan, M Hiltunen - Ieee Access, 2022 - ieeexplore.ieee.org
Open RAN is an emerging vision and an advancement of the Radio Access Network (RAN).
Its purpose is to implement a vendor and network-generation agnostic RAN, provide …

A survey on explainable AI for 6G O-RAN: Architecture, use cases, challenges and research directions

B Brik, H Chergui, L Zanzi, F Devoti, A Ksentini… - arXiv preprint arXiv …, 2023 - arxiv.org
The recent O-RAN specifications promote the evolution of RAN architecture by function
disaggregation, adoption of open interfaces, and instantiation of a hierarchical closed-loop …

Rlops: Development life-cycle of reinforcement learning aided open ran

P Li, J Thomas, X Wang, A Khalil, A Ahmad… - IEEE …, 2022 - ieeexplore.ieee.org
Radio access network (RAN) technologies continue to evolve, with Open RAN gaining the
most recent momentum. In the O-RAN specifications, the RAN intelligent controllers (RICs) …

Designing a 6g testbed for location: Use cases, challenges, enablers and requirements

EJ Khatib, CS Alvarez-Merino, HQ Luo-Chen… - IEEE …, 2023 - ieeexplore.ieee.org
Location will have a central role in Research and Development (R&D) towards 6G networks,
both as a service offered by the network (improving the current offering of 5G) and as an …

Open radio access network challenges for next generation mobile network

N Aryal, E Bertin, N Crespi - 2023 26th Conference on …, 2023 - ieeexplore.ieee.org
Due to the tightly-coupled hardware and software architecture of existing RAN systems and
their non-flexibility, disaggregation of software and hardware can bring many …

Distillate a sparse-meta time series classifier for open radio access network-based cellular vehicle-to-everything

L Sun, J Liang, G Muhammad - IEEE Transactions on Vehicular …, 2023 - ieeexplore.ieee.org
Deep learning-based univariate time series classification can improve the user experience
of Open Radio Access Network (RAN)-based Cellular Vehicle-to-Everything (CV2x) …

EXPLORA: AI/ML EXPLainability for the Open RAN

C Fiandrino, L Bonati, S D'Oro, M Polese… - Proceedings of the …, 2023 - dl.acm.org
The Open Radio Access Network (RAN) paradigm is transforming cellular networks into a
system of disaggregated, virtualized, and software-based components. These self-optimize …

Hierarchical reinforcement learning based traffic steering in multi-RAT 5G deployments

MA Habib, H Zhou, PE Iturria-Rivera… - ICC 2023-IEEE …, 2023 - ieeexplore.ieee.org
In 5G non-standalone mode, an intelligent traffic steering mechanism can vastly aid in
ensuring a smooth user experience by selecting the best radio access technology (RAT) …