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Related papers: ns-O-RAN: Simulating O-RAN 5G Systems in ns-3

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In spite of the new opportunities brought about by the Open RAN, advances in ML-based network automation have been slow, mainly because of the unavailability of large-scale datasets and experimental testing infrastructure. This slows down…

Networking and Internet Architecture · Computer Science 2022-01-13 Michele Polese , Leonardo Bonati , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia

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…

The Open Radio Access Network (O-RAN) architecture is reshaping the telecommunications landscape by enhancing network flexibility, openness, and intelligence. This paper establishes the requirements, evaluates the design tradeoffs, and…

Networking and Internet Architecture · Computer Science 2024-11-07 Joshua Moore , Aly Sabri Abdalla , Charles Ueltschey , Vuk Marojevic

This paper presents an extensible ns-3-based simulation framework for evaluating intent-based, semantics-aware control in Open RAN architectures. The framework integrates external Radio Access Network (RAN) Intelligent Controller (RIC)…

Networking and Internet Architecture · Computer Science 2026-05-29 Pouya Agheli , Grégoire Lefebvre

As Fifth generation (5G) cellular systems transition to softwarized, programmable, and intelligent networks, it becomes fundamental to enable public and private 5G deployments that are (i) primarily based on software components while (ii)…

The impending adoption of Open Radio Access Network (O-RAN) is fueling innovation in the RAN towards data-driven operation. Unlike traditional RAN where the RAN data and its usage is restricted within proprietary and monolithic RAN…

Cryptography and Security · Computer Science 2025-10-22 Pranshav Gajjar , Molham Khoja , Abiodun Ganiyu , Marc Juarez , Mahesh K. Marina , Andrew Lehane , Vijay K. Shah

The Open Radio Access Network (O-RAN) Alliance proposes an open architecture that disaggregates the RAN and supports executing custom control logic in near-real time from third-party applications, the xApps. Despite O-RAN's efforts, the…

Networking and Internet Architecture · Computer Science 2025-02-06 Joao F. Santos , Alexandre Huff , Daniel Campos , Kleber V. Cardoso , Cristiano B. Both , Luiz A. DaSilva

The open radio access network (O-RAN) describes an industry-driven open architecture and interfaces for building next generation RANs with artificial intelligence (AI) controllers. We circulated a survey among researchers, developers, and…

Networking and Internet Architecture · Computer Science 2022-03-29 Aly S. Abdalla , Pratheek S. Upadhyaya , Vijay K. Shah , Vuk Marojevic

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

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 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

Softwarized and programmable Radio Access Networks (RANs) come with virtualized and disaggregated components, increasing the supply chain robustness and the flexibility and dynamism of the network deployments. This is a key tenet of Open…

Networking and Internet Architecture · Computer Science 2024-09-05 Gabriele Gemmi , Michele Polese , Pedram Johari , Stefano Maxenti , Michael Seltser , Tommaso Melodia

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

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 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

The evolution of the Radio Access Network (RAN) in 5G and 6G technologies marks a shift toward open, programmable, and softwarized architectures, driven by the Open RAN paradigm. This approach emphasizes open interfaces for telemetry…

Networking and Internet Architecture · Computer Science 2026-01-28 Davide Villa

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

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…

While the Open Radio Access Network Alliance (O-RAN) architecture enables third-party applications to optimize radio access networks at multiple timescales, real-time distributed applications (dApps) that demand low latency, high…

Networking and Internet Architecture · Computer Science 2026-03-19 João Paulo Esper , Yure Freitas , Pedro Souza , Bruno Silvestre , Joao F. Santos , Alexandre Huff , Cristiano Both , Kleber Cardoso

Cell-free multiple input multiple output (CF-MIMO) systems improve spectral and energy efficiencies using distributed access points (APs) to provide reliable service across an area equivalent to multiple conventional cells. This paper…

Networking and Internet Architecture · Computer Science 2025-06-03 Yi Chu , Mostafa Rahmani , Josh Shackleton , David Grace , Kanapathippillai Cumanan , Hamed Ahmadi , Alister Burr