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Open-radio access network (O-RAN) seeks to establish the principles of openness, programmability, automation, intelligence, and hardware-software disaggregation with interoperable and standard-compliant interfaces. It advocates for…

Vehicular communications integrated with the Radio Access Network (RAN) are envisioned as a breakthrough application for the 6th generation (6G) cellular systems. However, traditional RANs lack the flexibility to enable sophisticated…

Networking and Internet Architecture · Computer Science 2024-07-11 Eugenio Moro , Francesco Linsalata , Maurizio Magarini , Umberto Spagnolini , Antonio Capone

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

This tutorial seeks to outline the proposed Open Radio Access Network (O-RAN) deployment for Fifth generation (5G) wireless networks. O-RAN seeks to supplant hardware-specific Radio Access Network (RAN) components (e.g., the mobility…

Networking and Internet Architecture · Computer Science 2024-10-28 Paul H. Masur , Jeffrey H. Reed

Conflict Mitigation (ConMit) is a crucial part of intelligent network control in Open Radio Access Networks (O-RAN). In this paper, we propose a method named ACCoRD to resolve detected control conflicts in Near-Real Time RAN Intelligent…

Multiagent Systems · Computer Science 2026-05-22 Cezary Adamczyk , Adrian Kliks

Openness and intelligence are two enabling features to be introduced in next generation wireless networks, e.g. Beyond 5G and 6G, to support service heterogeneity, open hardware, optimal resource utilization, and on-demand service…

Systems and Control · Electrical Eng. & Systems 2022-11-09 Bo Tang , Vijay K. Shah , Vuk Marojevic , Jeffrey H. Reed

Open RAN (ORAN, O-RAN) represents a novel industry-level standard for RAN (Radio Access Network), which defines interfaces that support inter-operation between vendors' equipment and offer network flexibility at a lower cost. Open RAN…

Cryptography and Security · Computer Science 2022-12-06 Madhusanka Liyanage , An Braeken , Shahriar Shahabuddin , Pasika Ranaweera

Open Radio Access Networks (ORAN) is a new architectural approach, having been proposed only a few years ago, and it is an expansion of the current Next Generation Radio Access Networks (NG-RAN) of 5G. ORAN aims to break this closed RAN…

Cryptography and Security · Computer Science 2024-09-04 Sotiris Michaelides , David Rupprecht , Katharina Kohls

Open RAN (O-RAN) exposes rich control and telemetry interfaces across the Non-RT RIC, Near-RT RIC, and distributed units, but also makes it harder to operate multi-tenant, multi-objective RANs in a safe and auditable manner. In parallel,…

Machine Learning · Computer Science 2026-03-02 Zhizhou He , Yang Luo , Xinkai Liu , Mahdi Boloursaz Mashhadi , Mohammad Shojafar , Merouane Debbah , Rahim Tafazolli

As wireless communication systems become more advanced, Open Radio Access Networks (O-RAN) stand out as a notable framework that promotes interoperability and cost-effectiveness. An examination of the progression of RAN architectures, as…

Networking and Internet Architecture · Computer Science 2026-04-03 Mira Chandra Kirana , Patatchona Keyela , Fatemeh Rostamian , Deemah H. Tashman , Soumaya Cherkaoui

The Open Radio Access Network (Open RAN) aims to enable disaggregated, virtualized, programmable, and data-driven intelligent network with open interfaces to support various real-time and non-real-time applications for different classes of…

In this paper, we investigate the security implications of virtualized and software-based Open Radio Access Network (RAN) systems, specifically focusing on the architecture proposed by the O-RAN ALLIANCE and O-Cloud deployments based on the…

Cryptography and Security · Computer Science 2024-05-06 Felix Klement , Alessandro Brighente , Michele Polese , Mauro Conti , Stefan Katzenbeisser

Open Radio Access Network (RAN) was introduced recently to incorporate intelligence and openness into the upcoming generation of RAN. Open RAN offers standardized interfaces and the capacity to accommodate network applications from external…

Networking and Internet Architecture · Computer Science 2023-11-23 Abdul Wadud , Fatemeh Golpayegani , Nima Afraz

The Open Radio Access Network (O-RAN) is a promising RAN architecture, aimed at reshaping the RAN industry toward an open, adaptive, and intelligent RAN. In this paper, we conducted a comprehensive security analysis of Open Radio Access…

Cryptography and Security · Computer Science 2022-01-19 Dudu Mimran , Ron Bitton , Yehonatan Kfir , Eitan Klevansky , Oleg Brodt , Heiko Lehmann , Yuval Elovici , Asaf Shabtai

The integration of Terrestrial Networks (TNs) with Non-Terrestrial Networks (NTNs) poses unique architectural and functional challenges due to heterogeneous propagation conditions, dynamic topologies and limited on-board processing…

Networking and Internet Architecture · Computer Science 2025-07-04 Jorge Baranda , Marius Caus , Luis Blanco , Cristian J. Vaca-Rubio , Engin Zeydan , Kapal Dev , Zheng Li , Tomaso DeCola

Despite recent advances in applying large language models (LLMs) and machine learning (ML) techniques to open radio access network (O-RAN), critical challenges remain, such as insufficient cooperation between radio access network (RAN)…

Networking and Internet Architecture · Computer Science 2026-03-02 Lingyan Bao , Sinwoong Yun , Jemin Lee , Tony Q. S. Quek

To enable an intelligent, programmable and multi-vendor radio access network (RAN) for 6G networks, considerable efforts have been made in standardization and development of open RAN (O-RAN). So far, however, the applicability of O-RAN in…

O-RAN (Open-Radio Access Network) offers a flexible, open architecture for next-generation wireless networks. Network slicing within O-RAN allows network operators to create customized virtual networks, each tailored to meet the specific…

Networking and Internet Architecture · Computer Science 2025-04-25 Sihem Bakri , Indrakshi Dey , Harun Siljak , Marco Ruffini , Nicola Marchetti

This paper addresses the critical challenge posed by the increasing energy consumption in mobile networks, particularly with the advent of Sixth Generation (6G) technologies. We propose an adaptive network management framework that…

Networking and Internet Architecture · Computer Science 2025-03-19 Gustavo Z. Bruno , Gabriel M. Almeida , Aloizio Da Silva , Luiz A. DaSilva , Joao F. Santos , Alexandre Huff , Kleber V. Cardoso , Cristiano B. Both

In future wireless systems of beyond 5G and 6G, addressing diverse applications with varying quality requirements is essential. Open Radio Access Network (O-RAN) architectures offer the potential for dynamic resource adaptation based on…

Networking and Internet Architecture · Computer Science 2024-10-07 Huan X. Nguyen , Kexuan Sun , Duc To , Quoc-Tuan Vien , Tuan Anh Le