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Related papers: QACM: QoS-Aware xApp Conflict Mitigation in Open R…

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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

This paper investigates the emerging challenges of conflict detection and mitigation in Open Radio Access Network (O-RAN). Conflicts between xApps can arise that affect network performance and stability due to the disaggregated nature of…

Networking and Internet Architecture · Computer Science 2025-02-28 Abdul Wadud , Fatemeh Golpayegani , Nima Afraz

Open Radio Access Network (O-RAN) is transforming the telecommunications landscape by enabling flexible, intelligent, and multi-vendor networks. Central to its architecture are xApps hosted on the Near-Real-Time RAN Intelligent Controller…

Networking and Internet Architecture · Computer Science 2025-01-27 Anastasios Giannopoulos , Sotirios Spantideas , Levis George , Kalafatelis Alexandros , Panagiotis Trakadas

The steady evolution of the Open RAN concept sheds light on xApps and their potential use cases in O-RANcompliant deployments. There are several areas where xApps can be used that are being widely investigated, but the issue of mitigating…

Networking and Internet Architecture · Computer Science 2023-05-15 Cezary Adamczyk , Adrian Kliks

The Open Radio Access Network (O-RAN) architecture enables a flexible, vendor-neutral deployment of 5G networks by disaggregating base station components and supporting third-party xApps for near real-time RAN control. However, the…

Networking and Internet Architecture · Computer Science 2026-03-13 Pragya Sharma , Shihua Sun , Shachi Deshpande , Angelos Stavrou , Haining Wang

Open Radio Access Network (RAN) enables flexible, AI-driven control of mobile networks through disaggregated, multi-vendor components. In this architecture, xApps handle real-time functions, whereas rApps in the non-real-time controller…

Systems and Control · Electrical Eng. & Systems 2026-03-10 Haiyuan Li , Yulei Wu , Dimitra Simeonidou

Open RAN (O-RAN) fosters multi-vendor interoperability and data-driven control but simultaneously introduces the challenge of coordinating pre-trained xApps that may produce conflicting actions. Although O-RAN specifications mandate offline…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Idris Cinemre , Toktam Mahmoodi , Amirmohammad Farzaneh

Open Radio Access Network (RAN) was designed with native Artificial Intelligence (AI) as a core pillar, enabling AI- driven xApps and rApps to dynamically optimize network performance. However, the independent ICP adjustments made by these…

Networking and Internet Architecture · Computer Science 2026-02-24 Abdul Wadud , Nima Afraz , Fatemeh Golpayegani

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 O-RAN ALLIANCE is defining architectures, interfaces, operations, and security requirements for cellular networks based on Open Radio Access Network (RAN) principles. In this context, O-RAN introduced the RAN Intelligent Controllers…

Networking and Internet Architecture · Computer Science 2025-10-21 Pietro Brach del Prever , Salvatore D'Oro , Leonardo Bonati , Michele Polese , Maria Tsampazi , Heiko Lehmann , Tommaso Melodia

The evolution of 6G envisions a wide range of applications and services characterized by highly differentiated and stringent Quality of Service (QoS) requirements. Open Radio Access Network (O-RAN) technology has emerged as a transformative…

Networking and Internet Architecture · Computer Science 2026-03-04 Noe M. Yungaicela-Naula , Vishal Sharma , Sandra Scott-Hayward

The Open Radio Access Network (O-RAN) architecture enables the deployment of third-party applications on the RAN Intelligent Controllers (RICs). However, the operation of third-party applications in the Near Real-Time RIC (Near-RT RIC),…

Networking and Internet Architecture · Computer Science 2025-02-04 Arshia Zolghadr , Joao F. Santos , Luiz A. DaSilva , Jacek Kibiłda

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

Conflict Mitigation (CM) in Open Radio Access Network (O-RAN) is a topic that is gaining importance as commercial O-RAN deployments become more complex. Although research on CM is already covered in terms of simulated network scenarios, it…

Networking and Internet Architecture · Computer Science 2025-05-19 Abida Sultana , Cezary Adamczyk , Mayukh Roy Chowdhury , Adrian Kliks , Aloizio Da Silva

The advancements of machine learning-based (ML) decision-making algorithms created various research and industrial opportunities. One of these areas is ML-based near-real-time network management applications (xApps) in Open-Radio Access…

Networking and Internet Architecture · Computer Science 2024-07-04 Hakan Erdol , Xiaoyang Wang , Robert Piechocki , George Oikonomou , Arjun Parekh

Open Radio Access Networks (RANs) leverage disaggregated and programmable RAN functions and open interfaces to enable closed-loop, data-driven radio resource management. This is performed through custom intelligent applications on the RAN…

Openness and programmability in the O-RAN architecture enable closed-loop control of the Radio Access Network (RAN). Artificial Intelligence (AI)-driven xApps, in the near-real-time RAN Intelligent Controller (RIC), can learn from network…

Networking and Internet Architecture · Computer Science 2026-02-04 Angelo Feraudo , Stefano Maxenti , Andrea Lacava , Leonardo Bonati , Paolo Bellavista , Michele Polese , Tommaso Melodia

Open Radio Access Networks (RAN) offer diverse economic opportunities. A transition to a flexible, modular approach within the disaggregated RAN framework is crucial, involving careful planning of RAN architecture and the deployment of…

Networking and Internet Architecture · Computer Science 2023-11-09 Marcin Hoffmann , Salim Janji , Adam Samorzewski , Lukasz Kulacz , Cezary Adamczyk , Marcin Dryjański , Pawel Kryszkiewicz , Adrian Kliks , Hanna Bogucka

Open Radio Access Network (O-RAN) has introduced an emerging RAN architecture that enables openness, intelligence, and automated control. The RAN Intelligent Controller (RIC) provides the platform to design and deploy RAN controllers. xApps…

Networking and Internet Architecture · Computer Science 2022-10-11 Mohammadreza Kouchaki , Vuk Marojevic

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
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