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The increasing device heterogeneity and decentralization requirements in the computing continuum (i.e., spanning edge, fog, and cloud) introduce new challenges in resource orchestration. In such environments, agents are often responsible…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-23 Vlad Popescu-Vifor , Ilir Murturi , Praveen Kumar Donta , Schahram Dustdar

The Open Radio Access Network (O-RAN), an industry-driven initiative, utilizes intelligent Radio Access Network (RAN) controllers and open interfaces to facilitate efficient spectrum sharing between LTE and NR RANs. In this paper, we…

Networking and Internet Architecture · Computer Science 2024-04-16 Sneihil Gopal , David Griffith , Richard A. Rouil , Chunmei Liu

The increasing complexity of modern applications demands wireless networks capable of real time adaptability and efficient resource management. The Open Radio Access Network (O-RAN) architecture, with its RAN Intelligent Controller (RIC)…

Artificial Intelligence · Computer Science 2025-12-17 Fatemeh Lotfi , Fatemeh Afghah

Retrieval-Augmented Generation (RAG) systems commonly suffer from Knowledge Conflicts, where retrieved external knowledge contradicts the inherent, parametric knowledge of large language models (LLMs). It adversely affects performance on…

Computation and Language · Computer Science 2025-10-07 Nan Huo , Jinyang Li , Bowen Qin , Ge Qu , Xiaolong Li , Xiaodong Li , Chenhao Ma , Reynold Cheng

Due to the huge surge in the traffic of IoT devices and applications, mobile networks require a new paradigm shift to handle such demand roll out. With the 5G economics, those networks should provide virtualized multi-vendor and intelligent…

Networking and Internet Architecture · Computer Science 2021-11-15 Ibrahim Tamim , Anas Saci , Manar Jammal , Abdallah Shami

Reducing energy consumption is crucial to reduce the human debt's with regard to our planet. Therefore most companies try to reduce their energetic consumption while taking care to preserve the service delivered to their customers. To do…

Multiagent Systems · Computer Science 2022-08-03 Xavier Marjou , Tangui Le Gléau , Vincent Messié , Benoit Radier , Tayeb Lemlouma , Gaël Fromentoux

The high energy footprint of 5G base stations, particularly the radio units (RUs), poses a significant environmental and economic challenge. We introduce Kairos, a novel approach to maximize the energy-saving potential of O-RAN's Advanced…

Networking and Internet Architecture · Computer Science 2025-01-28 J. Xavier Salvat Lozano , Jose A. Ayala-Romero , Andres Garcia-Saavedra , Xavier Costa-Perez

Open Radio Access Network (Open RAN) is a new paradigm to provide fundamental features for supporting next-generation mobile networks. Disaggregation, virtualisation, closed-loop data-driven control, and open interfaces bring flexibility…

Networking and Internet Architecture · Computer Science 2025-05-12 Hamed Alimohammadi , Sotiris Chatzimiltis , Samara Mayhoub , Mohammad Shojafar , Seyed Ahmad Soleymani , Ayhan Akbas , Chuan Heng Foh

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

Cascade stability of load balancing is critical for ensuring high efficiency service delivery and preventing undesirable handovers. In energy efficient networks that employ diverse sleep mode operations, handing over traffic to neighbouring…

Systems and Control · Electrical Eng. & Systems 2025-04-08 Mengbang Zou , Weisi Guo

The Open Radio Access Network (RAN) paradigm envisions a more flexible, interoperable, and intelligent RAN ecosystem via new open interfaces and elements like the RAN Intelligent Controller (RIC). However, the impact of these elements on…

Systems and Control · Electrical Eng. & Systems 2025-01-22 João Paulo S. H. Lima , George N. Katsaros , Konstantinos Nikitopoulos

The flexibility introduced with the Open Radio Access Network (O-RAN) architecture allows us to think beyond static configurations in all parts of the network. This paper addresses the issue related to predicting the power consumption of…

Machine Learning · Computer Science 2023-01-18 Merim Dzaferagic , Jose A. Ayala-Romero , Marco Ruffini

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

The optimization of Precoding Matrix Indicators (PMIs) is crucial for enhancing the performance of 5G networks, particularly in dense deployments where inter-cell interference is a significant challenge. Some approaches have leveraged AI/ML…

Networking and Internet Architecture · Computer Science 2025-04-22 Rawlings Ntassah , Gian Michele Dell'Aera , Fabrizio Granelli

We propose a novel framework that detects conflicts in IoT-based smart homes. Conflicts may arise during interactions between the resident and IoT services in smart homes. We propose a generic knowledge graph to represent the relations…

Artificial Intelligence · Computer Science 2021-07-29 Bing Huang , Hai Dong , Athman Bouguettaya

Next-generation wireless systems, already widely deployed, are expected to become even more prevalent in the future, representing challenges in both environmental and economic terms. This paper focuses on improving the energy efficiency of…

Networking and Internet Architecture · Computer Science 2024-10-21 Matteo Bordin , Andrea Lacava , Michele Polese , Sai Satish , Manoj AnanthaSwamy Nittoor , Rajarajan Sivaraj , Francesca Cuomo , Tommaso Melodia

Generative AI (GenAI) is expected to play a pivotal role in enabling autonomous optimization in future wireless networks. Within the ORAN architecture, Large Language Models (LLMs) can be specialized to generate xApps and rApps by…

Artificial Intelligence · Computer Science 2025-08-21 Sarat Ahmad , Zeinab Nezami , Maryam Hafeez , Syed Ali Raza Zaidi

Network slicing is one of the major catalysts to turn future telecommunication networks into versatile service platforms. Along with its benefits, network slicing is introducing new challenges in the development of sustainable network…

Networking and Internet Architecture · Computer Science 2023-07-17 Hnin Pann Phyu , Diala Naboulsi , Razvan Stanica , Gwenael Poitau

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

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