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Open Radio Access Networks (O-RAN) are emerging as a disruptive technology, revolutionising traditional mobile network architecture and deployments in the current 5G and the upcoming 6G era. Disaggregation of network architecture, inherent…

Cryptography and Security · Computer Science 2024-06-19 Thusitha Dayaratne , Viet Vo , Shangqi Lai , Sharif Abuadbba , Blake Haydon , Hajime Suzuki , Xingliang Yuan , Carsten Rudolph

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

As Open Radio Access Networks (O-RAN) continue to expand, AI-driven applications (xApps) are increasingly being deployed enhance network management. However, developing xApps without formal verification risks introducing logical…

Networking and Internet Architecture · Computer Science 2025-04-22 Roberto Metere , Kangfeng Ye , Yue Gu , Zhi Zhang , Dalal Alrajeh , Michele Sevegnani , Poonam Yadav

The open radio access network (O-RAN) architecture introduces RAN intelligent controllers (RICs) to facilitate the management and optimization of the disaggregated RAN. Reinforcement learning (RL) and its advanced form, deep RL (DRL), are…

Artificial Intelligence · Computer Science 2025-06-17 Mohammadreza Kouchaki , Aly Sabri Abdalla , Vuk Marojevic

This work proposes an integrated approach for optimising Federated Learning (FL) communication in dynamic and heterogeneous network environments. Leveraging the modular flexibility of the Open Radio Access Network (ORAN) architecture and…

Systems and Control · Electrical Eng. & Systems 2025-05-27 Abdelaziz Salama , Mohammed M. H. Qazzaz , Syed Danial Ali Shah , Maryam Hafeez , Syed Ali Zaidi

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 Network (O-RAN) architectures enable flexible, scalable, and cost-efficient mobile networks by disaggregating and virtualizing baseband functions. However, this flexibility introduces significant challenges for resource…

Networking and Internet Architecture · Computer Science 2025-09-16 Duc-Thinh Ngo , Kandaraj Piamrat , Ons Aouedi , Thomas Hassan , Philippe Raipin-Parvédy

Open Radio Access Network (O-RAN) architecture provides an intrinsic capability to exploit key performance monitoring (KPM) within Radio Intelligence Controller (RIC) to derive network optimisation through xApps. These xApps can leverage…

Networking and Internet Architecture · Computer Science 2025-09-12 Mohammed M. H. Qazzaz , Abdelaziz Salama , Maryam Hafeez , Syed A. R. Zaidi

Open Radio Access Networks (O-RAN) are transforming telecommunications by shifting from centralized to distributed architectures, promoting flexibility, interoperability, and innovation through open interfaces and multi-vendor environments.…

Cryptography and Security · Computer Science 2025-03-12 Zaineh Abughazzah , Emna Baccour , Ahmed Refaey , Amr Mohamed , Mounir Hamdi

The Open Radio Access Network (RAN) and its embodiment through the O-RAN Alliance specifications are poised to revolutionize the telecom ecosystem. O-RAN promotes virtualized RANs where disaggregated components are connected via open…

Networking and Internet Architecture · Computer Science 2022-08-03 Michele Polese , Leonardo Bonati , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia

Data-intensive Artificial Intelligence (AI) applications at the network edge demand a fundamental shift in Radio Access Network (RAN) design, from merely consuming AI for network optimization, to actively enabling distributed AI workloads.…

Networking and Internet Architecture · Computer Science 2025-12-03 Michele Polese , Niloofar Mohamadi , Salvatore D'Oro , Leonardo Bonati , Tommaso Melodia

The Radio Access Network (RAN) is the segment of cellular networks that provides wireless connectivity to end-users. O-RAN Alliance has been transforming the RAN industry by proposing open RAN specifications and the programmable…

Networking and Internet Architecture · Computer Science 2023-01-10 Gabriel M. Almeida , Gustavo Z. Bruno , Alexandre Huff , Matti Hiltunen , Elias P. Duarte , Cristiano B. Both , Kleber V. Cardoso

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…

Network slicing provides introduces customized and agile network deployment for managing different service types for various verticals under the same infrastructure. To cater to the dynamic service requirements of these verticals and meet…

Networking and Internet Architecture · Computer Science 2022-02-07 Joseph Thaliath , Solmaz Niknam , Sukhdeep Singh , Rahul Banerji , Navrati Saxena , Harpreet S. Dhillon , Jeffrey H. Reed , Ali Kashif Bashir , Avinash Bhat , Abhishek Roy

The Open Radio Access Network (O-RAN) architecture allows AI to be embedded directly into the RAN through modular xApps and rApps, yet creating these applications collecting data, training models, writing code, and deploying them safely…

Systems and Control · Electrical Eng. & Systems 2026-05-25 Seyed Bagher Hashemi Natanzi , Pranshav Gajja , Bo Tang , Vijay K. Shah

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

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

With the advent of 6G, Open Radio Access Network (O-RAN) architectures are evolving to support intelligent, adaptive, and automated network orchestration. This paper proposes a novel Edge AI and Network Service Orchestration framework that…

Networking and Internet Architecture · Computer Science 2025-03-18 Yun Tang , Udhaya Chandhar Srinivasan , Benjamin James Scott , Obumneme Umealor , Dennis Kevogo , Weisi Guo

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

This paper addresses how to handle slice resources for 6G networks at different time scales in an architecture based on an open radio access network (ORAN). The proposed solution includes artificial intelligence (AI) at the edge of the…

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