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

2023

Full Info


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

Full Info


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 5, 2023

Full Info


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

Date

March 2024

Full Info


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,…

Date

2nd Apr 2024

Full Info


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

Date

1st July 2024

Full Info


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

15th December 2023

Full Info


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

O-RAN systems and their deployment in virtualized general-purpose computing platforms…

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

21st February 2024

Full Info


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

Date

13th August 2024

Full Info


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

Date

15 August 2024

Full Info