21 citations · 48 across the 24 of their papers we have counts for
27 papers · 1 filter
IEEE 802.11bx - WLAN Intelligent Networking (WIN): Toward an AI-Ready Wi-Fi 9
Francesc Wilhelmi, Katarzyna Kosek-Szott, Szymon Szott +1
Wi-Fi 9 is expected to go beyond mere communication and provide new services such as sensing or computation. At this juncture, Artificial Intelligence (AI) is taking a leading role…
Is Collision-Free Backoff Worth It in Wi-Fi?
Mohammad Yousefi, Francesc Wilhelmi, Boris Bellalta
The Distributed Coordination Function (DCF)---the underlying channel access protocol in Wi-Fi, based on Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) and Binary…
On the Allocation of Transmit Power for Coordinated Spatial Reuse in IEEE 802.11bn Multi-Access Point Coordination
Francesc Wilhelmi, Boris Bellalta
IEEE 802.11bn (11bn) introduces Coordinated Spatial Reuse (Co-SR), a Multi-Access Point Coordination (MAPC) scheme where two APs coordinate to control the transmit power for a simu…
Can Machine Learning Break Wi-Fi Privacy? A Study on MAC Address Randomization
Marta Puig, Costas Michaelides, Lucia Pintor +2
Medium Access Control (MAC) address randomization has been widely adopted during the IEEE 802.11 network discovery phase as a countermeasure against passive tracking. This paper ex…
Kom8ndor: An IEEE 802.11bn-Oriented Simulator for Wi-Fi 8 and Beyond
Francesc Wilhelmi, Sergio Barrachina-Muñoz, Boris Bellalta
The upcoming IEEE 802.11bn amendment marks a paradigm shift in Wi-Fi, which will pose ambitious performance targets under the paradigm of Ultra-High Reliability (UHR). To understan…
BRAVR: An AP-Assisted Online DRL Mechanism for Interactive VR Bitrate Adaptation over Wi-Fi
Miguel Casasnovas, Francesc Wilhelmi, Boris Bellalta
Interactive virtual reality (VR) streaming over Wi-Fi requires stringent latency and reliability guarantees, which become increasingly difficult to achieve under dynamic channel co…
A Tutorial on IEEE 802.11bn Multi-AP Coordination for Wi-Fi 8: From Standardization to Performance Evaluation
Francesc Wilhelmi, Boris Bellalta, Giovanni Geraci +5
The IEEE 802.11bn amendment defines significant modifications to the standard by establishing Ultra High Reliability (UHR) targets in Wireless Local Area Networks (WLANs). This is…
Autoencoder-Based CSI Compression for Beyond Wi-Fi 8 Coordinated Beamforming
Ibrahim Aboushehada, Boris Bellalta, Giovanni Geraci +1
Coordinated beamforming (Co-BF) is a key multi-access-point coordination (MAPC) technique for dense Wi-Fi deployments, but its performance can be hindered by the large channel stat…
Decentralized Spatial Reuse Optimization in Wi-Fi: An Internal Regret Minimization Approach
Francesc Wilhelmi, Boris Bellalta, Miguel Casasnovas +2
Spatial Reuse (SR) is a cost-effective technique for improving spectral efficiency in dense IEEE 802.11 deployments by enabling simultaneous transmissions. However, the decentraliz…
Evaluating Wi-Fi Performance for VR Streaming: A Study on Realistic HEVC Video Traffic
Ferran Maura, Francesc Wilhelmi, Boris Bellalta
Cloud-based Virtual Reality (VR) streaming presents significant challenges for 802.11 networks due to its high throughput and low latency requirements. When multiple VR users share…
Performance Evaluation of Multi-Armed Bandit Algorithms for Wi-Fi Channel Access
Miguel Casasnovas, Francesc Wilhelmi, Richard Combes +6
The adoption of dynamic, self-learning solutions for real-time wireless network optimization has recently gained significant attention due to the limited adaptability of existing p…
Deep Reinforcement Learning-Based Scheduling for Wi-Fi Multi-Access Point Coordination
David Nunez, Francesc Wilhelmi, Maksymilian Wojnar +3
Multi-access point coordination (MAPC) is a key feature of IEEE 802.11bn, with a potential impact on future Wi-Fi networks. MAPC enables joint scheduling decisions across multiple…
Improving Wi-Fi 8 Latency with Coordinated Spatial Reuse
David Nunez, Francesc Wilhelmi, Lorenzo Galati-Giordano +2
IEEE 802.11 networks continuously adapt to meet the stringent requirements of emerging applications like cloud gaming, eXtended Reality (XR), and video streaming services, which re…
Wi-Fi: Twenty-Five Years and Counting
Giovanni Geraci, Francesca Meneghello, Francesc Wilhelmi +7
Today, Wi-Fi is over 25 years old. Yet, despite sharing the same branding name, today's Wi-Fi boasts entirely new capabilities that were not even on the roadmap 25 years ago. This…
Can cloud-based VR streaming handle Wi-Fi OBSS contention?
Miguel Casasnovas, Marc Carrascosa-Zamacois, Boris Bellalta
This paper experimentally analyzes the negative impact of contention caused by neighboring Wi-Fi networks operating on overlapping channels on Virtual Reality (VR) streaming over W…
Coordinated Spatial Reuse Scheduling With Machine Learning in IEEE 802.11 MAPC Networks
Maksymilian Wojnar, Wojciech Ciężobka, Artur Tomaszewski +9
The densification of Wi-Fi deployments means that fully distributed random channel access is no longer sufficient for high and predictable performance. Therefore, the upcoming IEEE…
Modelling and Performance Analysis of Non-Primary Channel Access in Wi-Fi Networks
Boris Bellalta, Francesc Wilhelmi, Lorenzo Galati-Giordano +1
This paper aims to improve our understanding of the performance of the Non-Primary Channel Access (NPCA) mechanism, a new feature introduced in IEEE 802.11bn to enhance spectrum ut…
Towards Specialized Wireless Networks Using an ML-Driven Radio Interface
Kamil Szczech, Maksymilian Wojnar, Katarzyna Kosek-Szott +8
Future wireless networks will need to support diverse applications (such as extended reality), scenarios (such as fully automated industries), and technological advances (such as t…
NeSt-VR: An Adaptive Bitrate Algorithm for Wireless Virtual Reality Streaming
Miguel Casasnovas, Ferran Maura, Isjtar Vandebroeck +3
Interactive Virtual Reality (VR) streaming over wireless links requires both high frame rates and low motion-to-photon latency, requirements that are difficult to sustain under cha…
IEEE 802.11bn Multi-AP Coordinated Spatial Reuse with Hierarchical Multi-Armed Bandits
Maksymilian Wojnar, Wojciech Ciezobka, Katarzyna Kosek-Szott +4
Coordination among multiple access points (APs) is integral to IEEE 802.11bn (Wi-Fi 8) for managing contention in dense networks. This letter explores the benefits of Coordinated S…
Coordinated Multi-Armed Bandits for Improved Spatial Reuse in Wi-Fi
Francesc Wilhelmi, Boris Bellalta, Szymon Szott +2
Multi-Access Point Coordination (MAPC) and Artificial Intelligence and Machine Learning (AI/ML) are expected to be key features in future Wi-Fi, such as the forthcoming IEEE 802.11…
Virtual Reality Traffic Prioritization for Wi-Fi Quality of Service Improvement using Machine Learning Classification Techniques
Seyedeh Soheila Shaabanzadeh, Marc Carrascosa-Zamacois, Juan Sánchez-González +2
The increase in the demand for eXtended Reality (XR)/Virtual Reality (VR) services in the recent years, poses a great challenge for Wi-Fi networks to maintain the strict latency re…
Performance Evaluation of MLO for XR Streaming: Can Wi-Fi 7 Meet the Expectations?
Marc Carrascosa-Zamacois, Lorenzo Galati-Giordano, Francesc Wilhelmi +4
Extended Reality (XR) has stringent throughput and delay requirements that are hard to meet with current wireless technologies. Missing these requirements can lead to worsened pict…
Spatial Reuse in IEEE 802.11bn Coordinated Multi-AP WLANs: A Throughput Analysis
David Nunez, Francesc Wilhelmi, Lorenzo Galati-Giordano +2
IEEE 802.11 networks continuously adapt to meet the stringent requirements of emerging applications like cloud gaming, eXtended Reality (XR), and video streaming services, which re…