BeGREEN: Beyond 5G Energy Efficient Networking by Hardware Acceleration and AI-Driven Management of Network Functions
Information
BeGREEN Position Paper
This paper presents a technical overview of BeGREEN…
Author/Speaker/Contributor
Mir Ghoraishi (Gigasys Solutions), Miguel Catalan-Cid (i2CAT), Vladica Sark (IHP),…
Event/Publication
EuCNC 2023
Date
June 2023
BeGREEN Intelligent Plane for AI-driven Energy Efficient O-RAN management
Information
Cellular networks are undergoing a revolutionary transform with the advent…
Author/Speaker/Contributor
Miguel Catalan-Cid i2CAT Foundation, Spain, Jorge Pueyo, Juan Sanchez-Gonzalez, Jesus…
Event/Publication
2024 Joint European Conference on Networks and Communications & 6G…
Date
July 2024
Policy-Guided ML for Energy Savings: Cell On/Off Switching under Operator QoS Constraints in Real 5G Networks
Information
Energy efficiency is a critical concern in the deployment and…
Author/Speaker/Contributor
David Reiss, Miguel Catalan-Cid, Daniel Camps, Oriol Sallent
Event/Publication
27th International Conference on Modeling, Analysis and Simulation of Wireless…
Date
October 2025
AegisRAN: A Fair and Energy-Efficient Computing Resource Allocation Framework for vRANs
Information
The virtualization of Radio Access Networks (vRAN) is rapidly becoming…
Author/Speaker/Contributor
Ethan Sanchez Hidalgo, Jose A. Ayala-Romero, J. Xavier Salvat Lozano,…
Event/Publication
IEEE Transactions on Mobile Computing
Date
October 2025
Echoes: An Open RAN-Enabled System for Indoors Localization Using Smart Surfaces
Information
Indoor localization systems are poised to revolutionize mobile applications, enabling…
Author/Speaker/Contributor
Pau Baguer, J. Xavier Salvat Lozano, Guillermo Encinas Lago, Placido…
Event/Publication
IEEE Open Journal of the Communications Society
Date
August 2025
Quantifying the Energy-Saving and QoS Trade-Off in Traffic Offloading for Real 4G/5G Scenarios
Information
Despite the potential for higher energy efficiency in 5G networks,…
Author/Speaker/Contributor
David Reiss, Miguel Catalan-Cid, Daniel Camps, Oriol Sallent
Event/Publication
IEEE ICC 2025 Fourth International Workshop on Green and Sustainable…
Date
June 2025
Comparative Analysis of Reconfigurable Intelligent Surfaces and Relay Nodes for Energy Saving
Information
Different technologies are currently being investigated to reduce the energy…
Author/Speaker/Contributor
Jordi Pérez-Romero, J. Xavier Salvat Lozano, Jose A. Ayala-Romero, Oriol…
Event/Publication
Joint European Conference on Networks and Communications & 6G Summit…
Date
June 2025
FairRIC: Real-time Fair Allocation in O-RAN with Shared Computing
Information
The deployment of O-RAN systems on general-purpose computing platforms represents…
Author/Speaker/Contributor
Fatih Aslan, Jose A. Ayala-Romero, Andres Garcia-Saavedra, Xavier Costa-Perez, George…
Event/Publication
IEEE INFOCOM 2025 - IEEE Conference on Computer Communications
Date
May 2025
Demo: BeGREEN Intelligence Plane for AI-driven Energy Efficient O-RAN management
Information
Cellular networks management is being enhanced by O-RAN architecture and…
Author/Speaker/Contributor
Miguel Catalan-Cid, German Castellanos, David Reiss, Joss Armstrong
Event/Publication
IEEE INFOCOM 2025 - IEEE Conference on Computer Communications Workshops…
Date
May 2025
Kairos: Energy-Efficient Radio Unit Control for O-RAN via Advanced Sleep Modes
Information
The high energy footprint of 5G base stations, particularly the…
Author/Speaker/Contributor
Josep Xavier Salvat, Jose A. Ayala-Romero, Andres Garcia-Saavedra, Xavier Costa-Perez
Event/Publication
IEEE INFOCOM 2025 - IEEE Conference on Computer Communications
Date
May 2025
MemorAI: Energy-Efficient Last-Level Cache Memory Optimization for Virtualized RANs.
This paper investigates cache memory allocation mechanisms’ effectiveness in reducing total energy consumption.
Information
The virtualization of Radio Access Networks (vRAN) is well on…
Author/Speaker/Contributor
Ethan Sanchez, J. Xavier Salvat, Jose A. Ayala-Romero, Andres Garcia-Saavedra,…
Event/Publication
IEEE International Conference on Machine Learning for Communication and Networking…
Date
August 2024
Mean-Field Multi-Agent Contextual Bandit for Energy-Efficient Resource Allocation in vRANs
In this paper, we gather data from our experimental platform and compare the performance and energy consumption of a HA (NVIDIA GPU V100) vs. a CPU (Intel Xeon Gold 6240R, 16 cores) for energy-friendly software processing.
Information
Radio Access Network (RAN) virtualization, key for new-generation mobile networks,…
Author/Speaker/Contributor
Jose A. Ayala-Romero, Leonardo Lo Schiavo, Andres Garcia-Saavedra, Xavier Costa-Perez
Event/Publication
IEEE INFOCOM 2024 - IEEE Conference on Computer Communications
Date
August 2024
Pre-Emptive Conflict Detection Architecture for O-RAN Service Management and Orchestration
This paper proposes an extension to the O-RAN SMO architecture to incorporate a component that can predict when configuration changes are likely to degrade network performance.
Information
The evolution of telecommunications networks from closed to open architectures…
Author/Speaker/Contributor
Joss Armstrong, Enda Fallon, Sheila Fallon
Event/Publication
IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications…
Date
August 2024
Assessment of Energy Savings in Relay-Assisted 5G and Beyond Radio Access Networks
Information
Reducing the overall energy consumption in mobile networks is currently…
Author/Speaker/Contributor
J. Pérez-Romero, O. Ruiz, O. Sallent
Event/Publication
IEEE
Date
July 2024
Attacking O-RAN Interfaces: Threat Modeling, Analysis and Practical Experimentation
Acknowledging the new security challenges arising from the expanded threat surface, O-RAN WG11 provides procedures to identify threats and assess and mitigate risks.
Information
A new generation of open and disaggregated Radio Access Networks…
Author/Speaker/Contributor
Pau Baguer, Girma M Yilma, Esteban Municio, Gines Garcia-Aviles, Andres…
Event/Publication
IEEE Open Journal of the Communications Society
Date
July 2024
Enabling Beyond-Visual-Line-of-Sight Drones Operation over Open RAN 5G Networks with Slicing
While current 5G technologies promise to meet the performance requirements in terms of throughput and latency, there is a lack of studies regarding how to achieve full reliability in practice.
Information
Among the foretold claims of the transition from 5G to…
Author/Speaker/Contributor
Pau Baguer, Esteban Municio, Gines Garcia-Aviles, Xavier Costa-Perez
Event/Publication
IEEE Network Magazine
Date
July 2024
YinYangRAN: Resource Multiplexing in GPU-Accelerated Virtualized RANs
RAN virtualization is revolutionizing the telco in- dustry, enabling 5G Distributed Units to run using general- purpose platforms equipped with Hardware Accelerators (HAs).
Information
RAN virtualization is revolutionizing the telco in- dustry, enabling 5G…
Author/Speaker/Contributor
Leonardo Lo Schiavo, Jose A. Ayala-Romero, Andres Garcia-Saavedra, Marco Fiore,…
Event/Publication
IEEE
Date
May 2024
Open Experimental Measurements of Sub-6GHz Reconfigurable Intelligent Surfaces
In this paper, we present two datasets that we make publicly available for research.
Information
In this paper, we present two datasets that we make…
Author/Speaker/Contributor
Marco Rossanese, Placido Mursia, Andres Garcia-Saavedra, Vincenzo Sciancalepore, Arash Asadi,…
Event/Publication
IEEE Internet Computing
Date
April 2024
AI-ready energy modelling for next generation RAN
Information
Abstract: Recent sustainability drives place energy-consumption metrics in centre-stage for…
Author/Speaker/Contributor
Kishan Sthankiya, Keith Briggs, Mona Jaber, Richard Clegg
Event/Publication
IEEE Wireless Communications and Networking Conference (WCNC), April 21-23,…
Date
April 2024
Space and time user distribution measurements dataset in a university campus
Information
Radio Resource Management (RRM) strategies are essential components in mobile…
Author/Speaker/Contributor
Olga Ruiz, Juan Sánchez-González, Jordi Pérez-Romero, Oriol Sallent, Irene Vilà
Event/Publication
Compute Networks
Date
March 2024
AIRIC: Orchestration of virtualized radio access networks with noisy neighbours
Information
Radio Access Networks virtualization (vRAN) is on its way becoming…
Author/Speaker/Contributor
J. X. Salvat Lozano, A. Garcia-Saavedra, X. Li, and X.…
Event/Publication
IEEE Journal on Selected Areas in Communications
Date
February 2024
Fair Resource Allocation in Virtualized O-RAN Platforms
This paper presents first a series of experiments which assess the O-Cloud's energy costs and their dependency on the servers' hardware, capacity and data traffic properties which, typically, change over time.
Information
(Best Student Paper Award)
Abstract- O-RAN systems and their deployment in…
Author/Speaker/Contributor
Fatih Aslan, George Iosifidis, Jose A. Ayala-Romero, Andres Garcia-Saavedra, Xavier…
Event/Publication
Proceedings of the ACM on Measurement and Analysis of Computing…
Date
February 2024
Risk-Aware Continuous Control with Neural Contextual Bandits
In this paper, we propose a risk-aware decision-making framework for contextual bandit problems, accommodating constraints and continuous action spaces.
Information
Recent advances in learning techniques have garnered attention for their…
Author/Speaker/Contributor
Jose A. Ayala-Romero, Andres Garcia-Saavedra, and Xavier Costa-Perez
Event/Publication
The38th Annual Conference on Artificial Intelligence
Date
December 2023
EdgeBOL: A Bayesian Learning Approach for the Joint Orchestration of vRANs and Mobile Edge AI
Information
This article proposed a Bayesian learning framework for jointly configuring…
Author/Speaker/Contributor
Jose A. Ayala-Romero, et al. (NEC)
Event/Publication
IEEE/ACM Transactions on Networking
Date
December 2023
A Tutorial on the Characterisation and Modelling of Low Layer Functional Splits for Flexible Radio Access Networks in 5G and Beyond
Information
The centralization of baseband (BB) functions in a radio access…
Author/Speaker/Contributor
J. Pérez-Romero, O. Sallent, A. Gelonch, X. Gelabert, B. Klaiqi,…
Event/Publication
IEEE Communications Surveys & Tutorials
Date
December 2023
Understanding the Performance and Power Saving Tradeoffs of Server Sleep States
Information
This paper presents a technical overview of BeGREEN project and…
Author/Speaker/Contributor
A. Griffiths, A. Morsman and P. Veitch (BT)
Event/Publication
IEEE International Conference on Cloud Networking 2023 (CloudNet’23)
Date
November 2023
Exploiting Cell Similarities in a Radio Access Network to Enhance Explainability for Autonomic Network Management Systems
Information
Modern telecommunications networks are highly complex and require constant real-time…
Author/Speaker/Contributor
J. Armstrong (LMI) and S. Fallon and E. Fallon (TUS)
Event/Publication
12th International Conference on Control, Automation and Information Sciences (ICCAIS…
Date
November 2023
Deep Learning-based Algorithm for Optimizing Relay User Equipment Activation in 5G Cellular Networks
This article addresses the problem of optimally using the relay capabilities of user equipment (UE) to augment the radio access network (RAN) in 5G deployments and beyond.
Information
This article addresses the problem of optimally using the relay…
Author/Speaker/Contributor
Juan Jesús Hernández-Carlón, Jordi Pérez-Romero, Oriol Sallent, Irene Vilà and…
Event/Publication
IEEE Transactions on Vehicular Technology
Date
October 2023
Dimensionality Reduction for Optimization of Radio Base Station Transmission Based on Energy Efficiency
Information
Large amounts of data are available to determine the current…
Author/Speaker/Contributor
Joss Armstrong (LMI), Enda Fallon,
Event/Publication
2023 IEEE 64th International Scientific Conference on Information Technology and…
Date
October 2023
O-RAN: Analysis of Latency-Critical Interfaces and Overview of Time Sensitive Networking Solutions
Information
Another quality publication by the team on 'Analysis of Latency-Critical…
Author/Speaker/Contributor
E. Municio, G. Garcia-Aviles, A. Garcia-Saavedra; X. Costa-Pérez
Event/Publication
IEEE Communications Standards Magazine
Date
September 2023
Open Radio Access Networks (O-RAN) Experimentation Platform: Design and Datasets
Information
The Open Radio Access Network (O-RAN) Alliance is driving the…
Author/Speaker/Contributor
J. Xavier Salvat, et al.,
Event/Publication
IEEE Communications Magazine, (Volume:61, Issue: 9)
Date
September 2023
Optimizing antenna beamforming with quantum computing
We show how the maximization problem can be rigorously solved by reformulating it as a sequence of quadratic (but non-convex) minimization problems.
Information
We consider beamforming with largescale antenna arrays in which the…
Author/Speaker/Contributor
Keith Briggs
Event/Publication
EuCAP 2023
Date
March 2023
On the Design of a Network Digital Twin for the Radio Access Network in 5G and Beyond
Information
A Network Digital Twin (NDT) is a high-fidelity digital mirror…
Author/Speaker/Contributor
Irene Vilà, Oriol Sallent, Jordi Pérez-Romero
Event/Publication
Sensors
Date
January 2023
