174 citations · 784 across the 63 of their papers we have counts for
71 papers
Site-Specific MIMO Channel Generation via Diffusion and Flow Matching: Fidelity, Efficiency, and Downstream Utility
Sina Beyraghi, Masoud Sadeghian, Firdous Bin Ismail +3
This paper explores the use of generative models to synthesize high-quality, site-specific multiple-input multiple-output (MIMO) channel data, addressing the high cost of the exten…
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…
PilotWiMAE: Pilot-Native Representation Learning for Wireless Channels
Berkay Guler, Giovanni Geraci, Hamid Jafarkhani
Channel foundation models assume access to fully observed channels, an assumption that fails in deployment. We introduce PilotWiMAE, a self-supervised framework whose encoder inges…
Bridging Earth and Space: A Survey on HAPS for Non-Terrestrial Networks
G. Svistunov, A. Akhtarshenas, D. López-Pérez +3
HAPS are emerging as key enablers in the evolution of 6G wireless networks, bridging terrestrial and non-terrestrial infrastructures. Operating in the stratosphere, HAPS can provid…
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…
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…
Optimal SSB Beam Planning and UAV Cell Selection for 5G Connectivity on Aerial Highways
Matteo Bernabe, David Lopez-Perez, Nicola Piovesan +2
In this article, we introduce a method to optimize 5G massive multiple-input multiple-output (mMIMO) connectivity for unmanned aerial vehicles (UAVs) on aerial highways through str…
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…
TSpec-LLM: An Open-source Dataset for LLM Understanding of 3GPP Specifications
Rasoul Nikbakht, Mohamed Benzaghta, Giovanni Geraci
Understanding telecom standards involves sorting through numerous technical documents, such as those produced by the 3rd Generation Partnership Project (3GPP), which is time-consum…
The Meta Distribution of the SIR in Joint Communication and Sensing Networks
Kun Ma, Chenyuan Feng, Giovanni Geraci +1
In this paper, we introduce a novel mathematical framework for assessing the performance of joint communication and sensing (JCAS) in wireless networks, employing stochastic geomet…
Spatially Consistent Air-to-Ground Channel Modeling via Generative Neural Networks
Amedeo Giuliani, Rasoul Nikbakht, Giovanni Geraci +3
This article proposes a generative neural network architecture for spatially consistent air-to-ground channel modeling. The approach considers the trajectories of uncrewed aerial v…
Terrestrial-Satellite Spectrum Sharing in the Upper Mid-Band with Interference Nulling
Seongjoon Kang, Giovanni Geraci, Marco Mezzavilla +1
The growing demand for broader bandwidth in cellular networks has turned the upper mid-band (7-24 GHz) into a focal point for expansion. However, the integration of terrestrial cel…
Throughput Analysis of IEEE 802.11bn Coordinated Spatial Reuse
Francesc Wilhelmi, Lorenzo Galati-Giordano, Giovanni Geraci +3
Multi-Access Point Coordination (MAPC) is becoming the cornerstone of the IEEE 802.11bn amendment, alias Wi-Fi 8. Among the MAPC features, Coordinated Spatial Reuse (C-SR) stands a…
Analysis of Age of Information in Non-terrestrial Networks
Yanwu Lu, Howard Yang, Nikolaos Pappas +3
Non-terrestrial networks (NTN), particularly low Earth orbit (LEO) satellite networks, have emerged as a promising solution to overcome the limitations of traditional terrestrial n…
Designing Cellular Networks for UAV Corridors via Bayesian Optimization
Mohamed Benzaghta, Giovanni Geraci, David Lopez-Perez +1
As traditional cellular base stations (BSs) are optimized for 2D ground service, providing 3D connectivity to uncrewed aerial vehicles (UAVs) requires re-engineering of the existin…
Optimizing Cellular Networks for UAV Corridors via Quantization Theory
Saeed Karimi-Bidhendi, Giovanni Geraci, Hamid Jafarkhani
We present a new framework based on quantization theory to design cellular networks optimized for both legacy ground users and uncrewed aerial vehicle (UAV) corridors, dedicated ae…
Wireless Edge Content Broadcast via Integrated Terrestrial and Non-terrestrial Networks
Feng Wang, Giovanni Geraci, Lingxiang Li +2
Non-terrestrial networks (NTN) have emerged as a transformative solution to bridge the digital divide and deliver essential services to remote and underserved areas. In this contex…
Wi-Fi Multi-Link Operation: An Experimental Study of Latency and Throughput
Marc Carrascosa, Giovanni Geraci, Edward Knightly +1
In this article, we investigate the real-world capability of the multi-link operation (MLO) framework -- one of the key MAC-layer features included in the IEEE 802.11be amendment -…
A Novel Metric for mMIMO Base Station Association for Aerial Highway Systems
Matteo Bernabè, David López Pérez, Nicola Piovesan +2
In this article, we introduce a new metric for driving the serving cell selection process of a swarm of cellular connected unmanned aerial vehicles (CCUAVs) located on aerial highw…
What Will Wi-Fi 8 Be? A Primer on IEEE 802.11bn Ultra High Reliability
Lorenzo Galati Giordano, Giovanni Geraci, Marc Carrascosa +1
What will Wi-Fi 8 be? Driven by the strict requirements of emerging applications, next-generation Wi-Fi is set to prioritize Ultra High Reliability (UHR) above all. In this paper,…
Towards Mobility Management with Multi-Objective Bayesian Optimization
Eloise de Carvalho Rodrigues, Alvaro Valcarce Rial, Giovanni Geraci
One of the consequences of network densification is more frequent handovers (HO). HO failures have a direct impact on the quality of service and are undesirable, especially in scen…
Analysis of UAV Corridors in Cellular Networks
Saeed Karimi-Bidhendi, Giovanni Geraci, Hamid Jafarkhani
In this article, we introduce a new mathematical framework for the analysis and design of UAV corridors in cellular networks, while considering a realistic network deployment, ante…