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Related papers: Towards xApp Conflict Evaluation with Explainable …

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In Open Radio Access Networks, the Conflict Mitigation component, which is part of the Near-RT RIC, aims to detect and resolve any conflicts between xApp decisions. In this paper, we propose a universal method for detecting and resolving of…

Networking and Internet Architecture · Computer Science 2023-05-24 Cezary Adamczyk , Adrian Kliks

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 control architecture managed by RAN Intelligent Controllers…

Networking and Internet Architecture · Computer Science 2024-11-28 Bouziane Brik , Hatim Chergui , Lanfranco Zanzi , Francesco Devoti , Adlen Ksentini , Muhammad Shuaib Siddiqui , Xavier Costa-Pérez , Christos Verikoukis

The Open Radio Access Network (O-RAN) architecture aims to support a plethora of network services, such as beam management and network slicing, through the use of third-party applications called xApps. To efficiently provide network…

Networking and Internet Architecture · Computer Science 2024-05-31 Federico Mungari , Corrado Puligheddu , Andres Garcia-Saavedra , Carla Fabiana Chiasserini

The O-RAN Alliance promotes the integration of intelligent autonomous agents to control the Radio Access Network (RAN). This improves flexibility, performance, and observability in the RAN, but introduces new challenges, such as the…

5G and beyond mobile networks will support heterogeneous use cases at an unprecedented scale, thus demanding automated control and optimization of network functionalities customized to the needs of individual users. Such fine-grained…

Networking and Internet Architecture · Computer Science 2022-10-18 Andrea Lacava , Michele Polese , Rajarajan Sivaraj , Rahul Soundrarajan , Bhawani Shanker Bhati , Tarunjeet Singh , Tommaso Zugno , Francesca Cuomo , Tommaso Melodia

The proliferation of 5G technology presents an unprecedented challenge in managing the energy consumption of densely deployed network infrastructures, particularly Base Stations (BSs), which account for the majority of power usage in mobile…

Systems and Control · Electrical Eng. & Systems 2024-05-17 Xuanyu Liang , Ahmed Al-Tahmeesschi , Qiao Wang , Swarna Chetty , Chenrui Sun , Hamed Ahmadi

The traditional black-box and monolithic approach to Radio Access Networks (RANs) has heavily limited flexibility and innovation. The Open RAN paradigm, and the architecture proposed by the O-RAN ALLIANCE, aim to address these limitations…

Networking and Internet Architecture · Computer Science 2025-08-19 Nicolo Longhi , Salvatore D'Oro , Leonardo Bonati , Michele Polese , Roberto Verdone , Tommaso Melodia

The ongoing transformation of mobile networks from proprietary physical network boxes to virtualized functions and deployment models has led to more scalable and flexible network architectures capable of adapting to specific use cases. As…

Systems and Control · Electrical Eng. & Systems 2022-12-23 Tolga O. Atalay , Sudip Maitra , Dragoslav Stojadinovic , Angelos Stavrou , Haining Wang

The evolution of Open Radio Access Networks (O-RAN) enables programmable and intelligent control of radio resources through disaggregated architectures and open interfaces. However, existing solutions typically rely on isolated control…

Networking and Internet Architecture · Computer Science 2026-03-24 Anastasios Giannopoulos , Sotirios Spantideas , Panagiotis Trakadas

Open Radio Access Network (O-RAN) offers an open, programmable architecture for next-generation wireless networks, enabling advanced control through AI-based applications on the near-Real-Time RAN Intelligent Controller (near-RT RIC).…

Networking and Internet Architecture · Computer Science 2025-11-10 Ryan Barker , Alireza Ebrahimi Dorcheh , Tolunay Seyfi , Fatemeh Afghah

Open Radio Access Network (RAN) is a key paradigm to attain unprecedented flexibility of the RAN via disaggregation and Artificial Intelligence (AI)-based applications called xApps. In dense areas with many active RAN nodes, compute…

Networking and Internet Architecture · Computer Science 2025-06-25 Antonio Calagna , Stefano Maxenti , Leonardo Bonati , Salvatore D'Oro , Tommaso Melodia , Carla Fabiana Chiasserini

User demand on network communication infrastructure has never been greater with applications such as extended reality, holographic telepresence, and wireless brain-computer interfaces challenging current networking capabilities. Open RAN…

Networking and Internet Architecture · Computer Science 2024-04-29 Noe Yungaicela-Naula , Vishal Sharma , Sandra Scott-Hayward

Open Radio Access Network (O-RAN) enables network control through multi-vendor xApps operating both within and across layers, subnets, and domains, whose concurrent execution can trigger conflicts that are latent during the development…

Networking and Internet Architecture · Computer Science 2026-04-22 Zeyu Fang , Shu Hong , Huu Trung Thieu , Nakjung Choi , Tian Lan

The integration of Open Radio Access Network (O-RAN) principles into 5G networks introduces a paradigm shift in how radio resources are managed and optimized. O-RAN's open architecture enables the deployment of intelligent applications…

Networking and Internet Architecture · Computer Science 2025-04-02 A. K. Subudhi , A. Piccioni , V. Gudepu , A. Marotta , F. Graziosi , R. M. Hegde , K. Kondepu

Modern 5G/6G radio access networks are increasingly programmable through O-RAN, yet their operational complexity has grown with disaggregation, open interfaces, and fine-grained control parameters. While RAN-side analytics and telemetry…

Networking and Internet Architecture · Computer Science 2026-03-17 Tuan V. Ngo , Mao V. Ngo , Binbin Chen , Tony Q. S. Quek , Tejaswita Kumari , Maziar Nekovee

The disaggregated, distributed and virtualised implementation of radio access networks allows for dynamic resource allocation. These attributes can be realised by virtue of the Open Radio Access Networks (O-RAN) architecture. In this…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Mohammed M. H. Qazzaz , Łukasz Kułacz , Adrian Kliks , Syed A. Zaidi , Marcin Dryjanski , Des McLernon

Telecommunications and computer vision have evolved independently. With the emergence of high-frequency wireless links operating mostly in line-of-sight, visual data can help predict the channel dynamics by detecting obstacles and help…

Networking and Internet Architecture · Computer Science 2025-08-07 Filipe B. Teixeira , Carolina Simões , Paulo Fidalgo , Wagner Pedrosa , André Coelho , Manuel Ricardo , Luis M. Pessoa

Open Radio Access Network (O-RAN) along with artificial intelligence, machine learning, cloud and edge networking, and virtualization are important enablers for designing flexible and software-driven programmable wireless networks. In…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Ali Fuat Sahin , Onur Salan , Ibrahim Hokelek , Ali Gorcin

This research introduces an advanced Explainable Artificial Intelligence (XAI) framework designed to elucidate the decision-making processes of Deep Reinforcement Learning (DRL) agents in ORAN architectures. By offering network-oriented…

Signal Processing · Electrical Eng. & Systems 2025-01-20 Suvidha Mhatre , Ferran Adelantado , Kostas Ramantas , Christos Verikoukis

Adversarial machine learning, focused on studying various attacks and defenses on machine learning (ML) models, is rapidly gaining importance as ML is increasingly being adopted for optimizing wireless systems such as Open Radio Access…

Cryptography and Security · Computer Science 2024-10-24 Ravikumar Balakrishnan , Marius Arvinte , Nageen Himayat , Hosein Nikopour , Hassnaa Moustafa