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Related papers: Open RAN xApps Design and Evaluation: Lessons Lear…

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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

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

Traditional RAN systems are closed and monolithic, stifling innovation. The openness and programmability enabled by Open Radio Access Network (O-RAN) are envisioned to revolutionize cellular networks with control-plane applications--xApps.…

Networking and Internet Architecture · Computer Science 2026-03-20 Xin Li , Shiming Yu , Leming Shen , Jianing Zhang , Yuanqing Zheng , Yaxiong Xie

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

The open radio access network (O-RAN) offers new degrees of freedom for building and operating advanced cellular networks. Emphasizing on RAN disaggregation, open interfaces, multi-vendor support, and RAN intelligent controllers (RICs),…

Cryptography and Security · Computer Science 2024-03-08 Aly S. Abdalla , Joshua Moore , Nisha Adhikari , Vuk Marojevic

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

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

The emergence of 6G technology represents a significant advancement in wireless communications, providing unprecedented speed, extremely low latency, and pioneering applications. In light of this development, an important question arises:…

Networking and Internet Architecture · Computer Science 2024-11-18 Sneihil Gopal , Aziz Kord , Richard A. Rouil

The Open Radio Access Network (Open RAN) is an emerging idea -- transforming the traditional Radio Access Networks (RAN) that are monolithic and inflexible into more flexible and innovative. By leveraging open standard interfaces, data…

Networking and Internet Architecture · Computer Science 2025-04-28 L. Malakalapalli , V. Gudepu , B. Chirumamilla , S. J. Yadhunandan , K. Kondepu

The shift to disaggregated 5G architectures introduces unprecedented flexibility but also significant complexity in Beyond 5G Radio Access Networks (RANs). Open RAN enables programmability through xApps, yet deploying and validating these…

Networking and Internet Architecture · Computer Science 2026-01-21 Sofia Montebugnoli , Leonardo Bonati , Andrea Sabbioni , Luca Foschini , Paolo Bellavista , Salvatore D'Oro , Michele Polese , Tommaso Melodia

Driven by the emerging use cases in massive access future networks, there is a need for technological advancements and evolutions for wireless communications beyond the fifth-generation (5G) networks. In particular, we envisage the upcoming…

Networking and Internet Architecture · Computer Science 2024-10-30 Ying Loong Lee , Donghong Qin , Li-Chun Wang , Gek Hong , Sim

Artificial intelligence (AI)-native radio access networks (RANs) will serve vertical industries with stringent requirements: smart grids, autonomous vehicles, remote healthcare, industrial automation, etc. To achieve these requirements,…

Networking and Internet Architecture · Computer Science 2025-11-25 Osman Tugay Basaran , Falko Dressler

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

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

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 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

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 (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

Advances in the automotive industry and the ever-increasing demand for Connected and Autonomous Vehicles (CAVs) are pushing for a new epoch of networked wireless systems. Vehicular communications, or Vehicle-to-Everything (V2X), are…

Networking and Internet Architecture · Computer Science 2024-05-03 Francesco Linsalata , Eugenio Moro , Maurizio Magarini , Umberto Spagnolini , Antonio Capone

Building on the principles of openness and intelligence, there has been a concerted global effort from the operators towards enhancing the radio access network (RAN) architecture. The objective is to build an operator-defined RAN…

Signal Processing · Electrical Eng. & Systems 2020-05-19 Solmaz Niknam , Abhishek Roy , Harpreet S. Dhillon , Sukhdeep Singh , Rahul Banerji , Jeffery H. Reed , Navrati Saxena , Seungil Yoon