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Next-generation mobile networks require evolved radio access network (RAN) architectures to meet the demands of high capacity, massive connectivity, reduced costs, and energy efficiency, and to realize communication with ultra-low latency…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Mahmoud A. Hasabelnaby , Mohanad Obeed , Mohammed Saif , Anas Chaaban , M. J. Hossain

The evolution of wireless communication systems will be fundamentally impacted by an open radio access network (O-RAN), a new concept defining an intelligent architecture with enhanced flexibility, openness, and the ability to slice…

Cryptography and Security · Computer Science 2024-11-14 Mojdeh Karbalaee Motalleb , Chafika Benzaid , Tarik Taleb , Marcos Katz , Vahid Shah-Mansouri , JaeSeung Song

The Open Radio Access Network (O-RAN) marks a significant shift in the mobile network industry. By transforming a traditionally vertically integrated architecture into an open, data-driven one, O-RAN promises to enhance operational…

Cryptography and Security · Computer Science 2025-04-23 Dang Kien Nguyen , Rim El Malki , Filippo Rebecchi

Next-generation networks utilize the Open Radio Access Network (O-RAN) architecture to enable dynamic resource management, facilitated by the RAN Intelligent Controller (RIC). While deep reinforcement learning (DRL) models show promise in…

Artificial Intelligence · Computer Science 2025-11-20 Fatemeh Lotfi , Hossein Rajoli , Fatemeh Afghah

Integrating Artificial Intelligence (AI) into Non-Terrestrial Networks (NTN) is constrained by the joint limits of satellite SWaP and feeder-link capacity, which directly impact O-RAN closed-loop control and model lifecycle management. This…

Networking and Internet Architecture · Computer Science 2026-03-25 Daniele Tarchi

Radio Access Networks virtualization (vRAN) is on its way becoming a reality driven by the new requirements in mobile networks, such as scalability and cost reduction. Unfortunately, there is no free lunch but a high price to be paid in…

Networking and Internet Architecture · Computer Science 2023-11-09 J. Xavier Salvat Lozano , Andres Garcia-Saavedra , Xi Li , Xavier Costa-Perez

Densely deployed base stations are responsible for the majority of the energy consumed in Radio access network (RAN). While these deployments are crucial to deliver the required data rate in busy hours of the day, the network can save…

Systems and Control · Electrical Eng. & Systems 2026-04-02 Xuanyu Liang , Ahmed Al-Tahmeesschi , Swarna Chetty , Cicek Cavdar , Berk Canberk , Hamed Ahmadi

The next generation of cellular networks will be characterized by openness, intelligence, virtualization, and distributed computing. The Open Radio Access Network (Open RAN) framework represents a significant leap toward realizing these…

Systems and Control · Electrical Eng. & Systems 2024-04-26 Joshua Groen , Salvatore D'Oro , Utku Demir , Leonardo Bonati , Davide Villa , Michele Polese , Tommaso Melodia , Kaushik Chowdhury

The radio access network (RAN) landscape is undergoing a transformative shift from traditional, communication-centric infrastructures towards converged compute-communication platforms. This article introduces AI-RAN which integrates both…

Artificial Intelligence · Computer Science 2025-01-16 Lopamudra Kundu , Xingqin Lin , Rajesh Gadiyar , Jean-Francois Lacasse , Shuvo Chowdhury

Network slicing enables multiple virtual networks to be instantiated and customized to meet heterogeneous use case requirements over 5G and beyond network deployments. However, most of the solutions available today face scalability issues…

Networking and Internet Architecture · Computer Science 2022-11-08 Farhad Rezazadeh , Lanfranco Zanzi , Francesco Devoti , Hatim Chergui , Xavier Costa-Perez , Christos Verikoukis

The O-RAN architecture is transforming cellular networks by adopting RAN softwarization and disaggregation concepts to enable data-driven monitoring and control of the network. Such management is enabled by RICs, which facilitate…

Networking and Internet Architecture · Computer Science 2025-12-12 Filippo Olimpieri , Noemi Giustini , Andrea Lacava , Salvatore D'Oro , Tommaso Melodia , Francesca Cuomo

This paper presents an extensible ns-3-based simulation framework for evaluating intent-based, semantics-aware control in Open RAN architectures. The framework integrates external Radio Access Network (RAN) Intelligent Controller (RIC)…

Networking and Internet Architecture · Computer Science 2026-05-29 Pouya Agheli , Grégoire Lefebvre

As Radio Access Networks (RAN) evolve toward AI-native architectures, intelligent modules such as xApps and rApps are expected to make increasingly autonomous decisions across scheduling, mobility, and resource management domains. However,…

Artificial Intelligence · Computer Science 2025-05-14 Sebastian Barros

Next-generation wireless networks require intelligent traffic prediction to enable autonomous resource management and handle diverse, dynamic service demands. The Open Radio Access Network (O-RAN) framework provides a promising foundation…

Signal Processing · Electrical Eng. & Systems 2025-10-02 Abdelaziz Salama , Mohammed M. H. Qazzaz , Zeinab Nezami , Maryam Hafeez , Syed Ali Raza Zaidi

The advancement of 5G and NextG networks through Open Radio Access Network (O-RAN) architecture enables a shift toward virtualized, modular, and disaggregated configurations. A core component of O-RAN is the RAN Intelligent Controller…

Cryptography and Security · Computer Science 2024-11-12 Diana Lin , Samarth Bhargav , Azuka Chiejina , Mohamed I. Ibrahem , Vijay K. Shah

The Radio Access Network (RAN) is a critical component of modern telecommunications infrastructure, currently evolving towards disaggregated and open architectures. These advancements are pivotal for integrating intelligent, data-driven…

Networking and Internet Architecture · Computer Science 2025-09-18 Abdelrahim Ahmad , Peizheng Li , Robert Piechocki , Rui Inacio

5G and beyond cellular networks (NextG) will support the continuous execution of resource-expensive edge-assisted deep learning (DL) tasks. To this end, Radio Access Network (RAN) resources will need to be carefully "sliced" to satisfy…

Networking and Internet Architecture · Computer Science 2024-07-09 Corrado Puligheddu , Jonathan Ashdown , Carla Fabiana Chiasserini , Francesco Restuccia

The open radio access network (O-RAN) Alliance developed an architecture and specifications for open and disaggregated cellular networks including many elements that are being widely adopted and implemented in both commercial and research…

Networking and Internet Architecture · Computer Science 2025-06-02 Urooj Tariq , Rishu Raj , Dan Kilper

Radio access network (RAN) virtualization is gaining more and more ground and expected to re-architect the next-generation cellular networks. Existing RAN virtualization studies and solutions have mostly focused on sharing communication…

Networking and Internet Architecture · Computer Science 2020-12-24 Matthias Sander-Frigau , Tianyi Zhang , Hongwei Zhang , Ahmed E. Kamal , Arun K. Somani

The disaggregation and virtualization of 5G Open RAN (O-RAN) introduces new vulnerabilities in the control plane that can greatly impact the quality of service (QoS) of latency-sensitive 5G applications and services. One critical issue is…

Networking and Internet Architecture · Computer Science 2025-11-20 Mohamed Rouili , Yang Xiao , Sihang Liu , Raouf Boutaba