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About

About

My name is Helder Fontes and I have a PhD degree in Informatics Engineering from University of Porto, Portugal, in 2019. I'm an Assistant Researcher at the Wireless Networks area, part of CTM, in which I have been part since 2009. Since then I have participated in national and EU research projects, including SITMe, Hiperwireless, FP7 SUNNY, SIMBED, SIMBED+ and ResponDrone. My PhD focused on Simulation-Experimentation Synergy. My research interests include wireless networking simulation, emulation, and experimentation in the scope of emerging scenarios such as airborne and maritime, with special focus on repeatability and reproducibility of experiments.

Interest
Topics
Details

Details

006
Publications

2020

On the Reproduction of Real Wireless Channel Occupancy in ns-3

Authors
Cruz, R; Fontes, H; Ruela, J; Ricardo, M; Campos, R;

Publication
CoRR

Abstract

2019

Improving ns-3 Emulation Performance for Fast Prototyping of Routing and SDN Protocols: Moving Data Plane Operations to Outside of ns-3

Authors
Fontes, H; Cardoso, T; Campos, R; Ricardo, M;

Publication
Simulation Modelling Practice and Theory

Abstract

2019

ns-3 NEXT

Authors
Fontes, H; Lamela, V; Campos, R; Ricardo, M;

Publication
Proceedings of the 2019 Workshop on ns-3 - WNS3 2019

Abstract

2019

ns-3 NEXT: Towards a reference platform for offline and augmented wireless networking experimentation

Authors
Fontes, H; Lamela, V; Campos, R; Ricardo, M;

Publication
ACM International Conference Proceeding Series

Abstract
In the past years, INESC TEC has been working on using ns-3 to reduce the gap between Simulation and Experimentation. Two major contributions resulted from our work: 1) the Fast Prototyping development process, where the same ns-3 protocol model is used in a real experiment; 2) the Trace-based Simulation (TS) approach, where traces of radio link qualities and position of nodes from past experiments are injected into ns-3 to achieve repeatable and reproducible experiments. In this paper we present ns-3 NEXT, our vision for ns-3 to enable simulation and experimentation using the same platform. We envision ns-3 as the platform that can automatically learn from past experiments and improve its accuracy to a point where simulated resources can seamlessly replace real resources. At that point, ns-3 can either replace a real testbed accurately (Offline Experimentation) or add functionality and scale to testbeds (Augmented Experimentation). Towards this vision, we discuss the current limitations and propose a plan to overcome them collectively within the ns-3 community. © 2019 ACM.

2019

Repeatable and Reproducible Wireless Networking Experimentation through Trace-based Simulation

Authors
Lamela, V; Fontes, H; Oliveira, T; Ruela, J; Ricardo, M; Campos, R;

Publication
CoRR

Abstract