Talks and presentations
See a map of all the places I've given a talk!
July 01, 2021
Conference, Wireless Days, Paris, France (remote)
Presentation of the paper entitled “Stateless Reinforcement Learning for Multi-Agent Systems: the Case of Spectrum Allocation in Dynamic Channel Bonding WLANs”, available here.
October 28, 2019
Conference, IEEE Conference on Standards for Communications and Networking (CSCN), GRANADA, Spain, Granada, Spain
Presentation of the paper entitled “On the Performance of the Spatial Reuse Operation in IEEE 802.11ax WLANs”, available here.
June 21, 2019
Conference, Workshop on Next-Generation Wireless with ns-3, Florence, Italy
Presentation of the Komondor simulator, where novel 11ax-based features are implemented. Particular emphasis was put on the Spatial Reuse (SR) part.
April 15, 2019
Conference, IEEE 5th World Forum on Internet of Things, Limerick, Ireland
Presentation of the paper entitled “Towards Energy Efficient LPWANs through Learning-based Multi-hop Routing”, available here.
February 25, 2019
Dissemination, Research stay at the Rice Networks Group (Rice University), Houston, United States
Presentation of the WACA project: “Inferring the potential of multi-channel access in the 802.11ac/ax 5-GHz band (An experimental approach)”
November 12, 2018
Dissemination, Research stay at the Rice Networks Group (Rice University), Houston, United States
Presentation about the research done by Sergio Barrachina at the Wireless Networking group (Universitat Pompeu Fabra).
March 09, 2018
Poster, 6th EITIC Doctoral Student Workshop, Barcelona, Spain
Abstract: We present novel insights on the effects of dynamic channel bonding (DCB) policies in WLANs. We depict the complex interactions that are given in spatially distributed scenarios through Continuous Time Markov Networks (CTMNs). Then, we assess the performance of such policies in high density (HD) IEEE 802.11ax scenarios by means of simulations. We show that always picking the widest channels available can be suboptimal in terms of individual throughput and fairness. Thus, more flexible policies like stochastic width selection are required. Besides, we show that policy learning and/or adaptation is required on a per WLAN basis.
October 12, 2017
Conference, PIMRC, Montreal, Canada
Presentation of paper entitled “Learning optimal routing for the uplink in LPWANs using similarity-enhanced e-greedy”, available here.
March 01, 2017
Poster, 5th EITIC Doctoral Student Workshop, Barcelona, Spain
Abstract: The number of devices accessing the Internet through Wireless Local Area Networks (WLANs) is increasing drastically. WLANs are managed by different operators, leading to chaotic wireless spectrum occupancy. By means of transmitting in wider channels through dynamic spectrum access, higher short-term throughputs are achieved. However, the contention among nodes leads to undesirable low performance, which is critical in high-density scenarios like football stadiums and apartment buildings. We propose a learning-based channel selection policy for optimizing WLANs throughput.
September 15, 2015
Conference, IEEE 5th World Forum on Internet of Things, Helsinki, Finland
Presentation of the paper entitled “GOAT: A Tool for Planning Wireless Sensor Networks”, available here.