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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

The advent of Open Radio Access Network (RAN) has revolutionized the field of RAN by introducing elements of native support of intelligence and openness into the next generation of mobile network infrastructure. Open RAN paves the way for…

Networking and Internet Architecture · Computer Science 2025-01-13 Abdul Wadud , Fatemeh Golpayegani , Nima Afraz

Open RAN (O-RAN) defines an emerging cellular radio access network (RAN) architecture for future 6G wireless networks, emphasizing openness and intelligence which are considered the foundations of future 6G wireless networks. While the…

Networking and Internet Architecture · Computer Science 2022-05-27 Pratheek S. Upadhyaya , Aly S. Abdalla , Vuk Marojevic , Jeffrey H. Reed , Vijay K. Shah

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

Open RAN (O-RAN) exposes rich control and telemetry interfaces across the Non-RT RIC, Near-RT RIC, and distributed units, but also makes it harder to operate multi-tenant, multi-objective RANs in a safe and auditable manner. In parallel,…

Machine Learning · Computer Science 2026-03-02 Zhizhou He , Yang Luo , Xinkai Liu , Mahdi Boloursaz Mashhadi , Mohammad Shojafar , Merouane Debbah , Rahim Tafazolli

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

The O-RAN architecture is transforming cellular networks by adopting RAN softwarization and disaggregation concepts to enable data-driven monitoring and control of the network. Such management is enabled by RICs, which facilitate…

Networking and Internet Architecture · Computer Science 2025-12-12 Filippo Olimpieri , Noemi Giustini , Andrea Lacava , Salvatore D'Oro , Tommaso Melodia , Francesca Cuomo

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 growing demand for high-speed, ultra-reliable, and low-latency communications in 5G and beyond networks has significantly driven up power consumption, particularly within the Radio Access Network (RAN). This surge in energy demand poses…

Networking and Internet Architecture · Computer Science 2025-09-15 Ahmed Al-Tahmeesschi , Yi Chu , Gurdeep Singh , Charles Turyagyenda , Dritan Kaleshi , David Grace , Hamed Ahmadi

In this paper, we propose the concept of AIO-RAN-NTN, a unified all-in-one Radio Access Network (RAN) for Non-Terrestrial Networks (NTNs), built on an open architecture that leverages open interfaces and artificial intelligence (AI)-based…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Tri Nhu Do

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

With growing mobile-network complexity, management and optimization have become increasingly difficult. Centralized algorithms face high control-data overhead and computational load, while distributed approaches often perform far from…

Networking and Internet Architecture · Computer Science 2026-04-28 Paweł Kryszkiewicz , Łukasz Kułacz , Marcin Pakuła , Marcin Dryjanski , Marcin Hoffmann , Piotr Skrzypczak , Heiko Lehmann , Martin Stahn

Reconfigurable Intelligent Surfaces (RISs) pose as a transformative technology to revolutionize the cellular architecture of Next Generation (NextG) Radio Access Networks (RANs). Previous studies have demonstrated the capabilities of RISs…

Networking and Internet Architecture · Computer Science 2025-02-27 Maria Tsampazi , Michele Polese , Falko Dressler , Tommaso Melodia

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

The Open Radio Access Network (O-RAN) initiative, characterized by open interfaces and AI/ML-capable RAN Intelligent Controller (RIC), facilitates effective spectrum sharing among RANs. In this context, we introduce AdapShare, an…

Networking and Internet Architecture · Computer Science 2024-11-18 Sneihil Gopal , David Griffith , Richard A. Rouil , Chunmei Liu

Open Radio Access Network (RAN) architectures will enable interoperability, openness and programmable data-driven control in next generation cellular networks. However, developing and testing efficient solutions that generalize across…

Networking and Internet Architecture · Computer Science 2022-12-20 Leonardo Bonati , Michele Polese , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia

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

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

Vehicular communications integrated with the Radio Access Network (RAN) are envisioned as a breakthrough application for the 6th generation (6G) cellular systems. However, traditional RANs lack the flexibility to enable sophisticated…

Networking and Internet Architecture · Computer Science 2024-07-11 Eugenio Moro , Francesco Linsalata , Maurizio Magarini , Umberto Spagnolini , Antonio Capone

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