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Open Radio Access Networks (O-RAN) promise flexible 6G network access through disaggregated, software-driven components and open interfaces, but this programmability also increases operational complexity. Multiple control loops coexist…

Networking and Internet Architecture · Computer Science 2026-02-17 Hojjat Navidan , Mohammad Cheraghinia , Jaron Fontaine , Mohamed Seif , Eli De Poorter , H. Vincent Poor , Ingrid Moerman , Adnan Shahid

Open Radio Access Network (O-RAN), a novel architecture that separates the traditional radio access network (RAN) into multiple disaggregated components, leads a revolution in the telecommunication ecosystems. Compared to the traditional…

Networking and Internet Architecture · Computer Science 2023-11-07 Yi-Zih Chen , Terrance Yu-Hao Chen , Po-Jung Su , Chi-Ting Liu

The Open Radio Access Network (RAN) is a networking paradigm that builds on top of cloud-based, multi-vendor, open and intelligent architectures to shape the next generation of cellular networks for 5G and beyond. While this new paradigm…

Cryptography and Security · Computer Science 2024-07-26 Joshua Groen , Salvatore DOro , Utku Demir , Leonardo Bonati , Michele Polese , Tommaso Melodia , Kaushik Chowdhury

Dynamic resource allocation in open radio access network (O-RAN) heterogeneous networks (HetNets) presents a complex optimisation challenge under varying user loads. We propose a near-real-time RAN intelligent controller (Near-RT RIC) xApp…

Machine Learning · Computer Science 2026-04-08 Oluwaseyi Giwa , Jonathan Shock , Jaco Du Toit , Tobi Awodumila

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 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

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 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

Despite the growing interest in low-altitude economy (LAE) applications, including UAV-based logistics and emergency response, fundamental challenges remain in orchestrating such missions over complex, signal-constrained environments. These…

Systems and Control · Electrical Eng. & Systems 2026-01-05 Aly Sabri Abdalla , Vuk Marojevic

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

This paper introduces a proactive Unmanned Aerial Vehicle (UAV) mobility management xApp for Open Radio Access Network (O-RAN) Near Real-Time Radio Intelligent Controller (Near-RT RIC) environments, employing Double Deep Q-Network (DDQN)…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Mohammed M. H. Qazzaz , Syed Ali Zaidi , Aubida A. Al-Hameed , Abdelaziz Salama , Des Mclernon

Open Radio Access Network (Open RAN) is reshaping mobile network architecture by promoting openness, disaggregation, and cross-vendor interoperability. However, this architectural flexibility introduces new security challenges, especially…

Networking and Internet Architecture · Computer Science 2025-09-04 Hexuan Yu , Md Mohaimin Al Barat , Yang Xiao , Y. Thomas Hou , Wenjing Lou

The Open Radio Access Network (O-RAN) architecture is revolutionizing cellular networks with its open, multi-vendor design and AI-driven management, aiming to enhance flexibility and reduce costs. Although it has many advantages, O-RAN is…

Cryptography and Security · Computer Science 2025-05-06 Eran Aizikovich , Dudu Mimran , Edita Grolman , Yuval Elovici , Asaf Shabtai

Open Radio Access Network (O-RAN) is a major advancement in the telecommunications field, providing standardized interfaces that promote interoperability between different vendors' technologies, thereby enhancing network flexibility and…

Cryptography and Security · Computer Science 2026-03-24 Lujia Liang , Lei Zhang

The open radio access network (RAN) aims to bring openness and intelligence to the traditional closed and proprietary RAN technology and offer flexibility, performance improvement, and cost-efficiency in the RAN deployment and operation.…

Networking and Internet Architecture · Computer Science 2024-02-07 Wilfrid Azariah , Fransiscus Asisi Bimo , Chih-Wei Lin , Ray-Guang Cheng , Navid Nikaein , Rittwik Jana

Next Generation (NextG) cellular networks will be natively cloud-based and built upon programmable, virtualized, and disaggregated architectures. The separation of control functions from the hardware fabric and the introduction of…

Networking and Internet Architecture · Computer Science 2022-02-23 Leonardo Bonati , Salvatore D'Oro , Michele Polese , Stefano Basagni , Tommaso Melodia

The concept of AI-RAN as specified by the AI-RAN alliance is geared to explore a converged 6G platform that can support management, orchestration, and deployment of both AI and RAN workloads. This concept is central to the development of a…

Networking and Internet Architecture · Computer Science 2025-09-22 Syed Danial Ali Shah , Zeinab Nezami , Maryam Hafeez , Syed Ali Raza Zaidi

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

While the open architecture, open interfaces, and integration of intelligence within Open Radio Access Network technology hold the promise of transforming 5G and 6G networks, they also introduce cybersecurity vulnerabilities that hinder its…

Cryptography and Security · Computer Science 2024-02-14 Azuka Chiejina , Brian Kim , Kaushik Chowhdury , Vijay K. Shah

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