Tutorial Speakers
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Unlocking Ubiquitous, Precise, and Resilient Positioning, Navigation, and Timing through LEO SatellitesJosé A. López-Salcedo.
Biography
Universitat Politècnica de Catalunya (UPC) in 2007. Since 2006, he is with Universitat Autònoma de Barcelona (UAB), where he is a Professor. He has held several visiting appointments, including at the University of California, Irvine as a Fulbright visiting researcher, the University of Illinois Urbana-Champaign, Hanyang University in Korea, and the European Commission Joint Research Center in Italy. He has been the principal investigator of more than 30 research projects, most of them funded by the European Space Agency (ESA) on topics dealing with signal processing for Global Navigation Satellite Systems receivers. In the recent years, he has been involved in several European activities dealing with the use of low Earth orbit (LEO) satellites for either opportunistic or dedicated positioning, navigation and timing (PNT). His research interests lie in the field of signal processing for communications and navigation, with emphasis on the convergence between GNSS, 5G/6G and LEO-PNT satellites. He serves as Chair of the Spanish Chapter of the IEEE Aerospace and Electronic Systems Society (AESS), member of the Editorial Committee of the Korean Institute of Positioning, Navigation, and Timing, and elected member of the IEEE Signal Processing Society’s Sensor Array and Multichannel Technical Committee.
Abstract
The emergence of low Earth orbit (LEO) satellite constellations is opening new frontiers for applications and services that rely on positioning, navigation, and timing (PNT). This tutorial will explore how LEO satellites are being leveraged to deliver ubiquitous, precise, and resilient positioning capabilities, serving as a complementary or alternative solution to conventional global navigation satellite systems (GNSS). The tutorial will begin by presenting the fundamentals and motivations behind LEO-based positioning, emphasizing its key advantages over traditional GNSS, such as stronger received signal power, rapid satellite geometry changes, and the use of large constellations of small, low-cost satellites. It will then introduce the distinction between opportunistic and dedicated LEO positioning approaches, showcasing recent experimental results and highlighting ongoing initiatives. Finally, the tutorial will look ahead to future developments, examining potential synergies with emerging 5G/6G non-terrestrial networks (NTN) and the prospective deployment of multi-layer PNT architectures that combine GNSS, 5G/6G NTN, and LEO-PNT systems. |
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Adaptive and Anonymous WiFi Crowd Sensing: An Easily Deployable, Multi-RAN Solution for Temporary EventsRui Neto Marinheiro
Biography
Rui Neto Marinheiro obtained his PhD in Electronics and Computer Science from the University of Southampton, UK, in July 2001. Since then, he has been teaching at Iscte – University Institute of Lisbon, where he is currently an Associate Professor and Director of the Degree in Telecommunications and Computer Engineering. He has extensive teaching experience in computer networks, internet of things, and network security, and regularly contributes to international summer schools, including recent editions at UESTC (China) and IBA (Pakistan). As a researcher at the Instituto de Telecomunicaço es, he has led or contributed to several national and international projects (e.g. RESETTING, Agentcities, NEUF) and currently leads MoniCrowd, a funded project on crowd monitoring in Lisbon. He has published widely and helped organize multiple scientific events, with research interests spanning network architectures, mobility, IoT communication systems, software-defined networks, and medium access control protocols.
Abstract
Tourist overcrowding significantly affects visitors’ experiences, local residents’ quality of life, and environmental sustainability. Traditional monitoring approaches based on static sensors are limited, especially during temporary events with unpredictable crowd dynamics. To address these challenges, a flexible and adaptive solution for real-time crowd monitoring is being developed through ongoing funded projects and will be presented in this tutorial. The system employs low-cost, scalable sensors capable of detecting mobile devices through Wi-Fi signals, while effectively handling MAC address randomization. These sensors support communication over multiple radio access networks (multi-RAN), dynamically optimizing connectivity and enabling deployment in suboptimal locations. To enhance detection accuracy, the system includes an adaptive calibration mechanism using drone-based sensitivity mapping and automatic parameter optimization. A semi-supervised machine learning fingerprinting approach is also under development to ensure resilience to device updates and new models, supported by data gathered in a controlled Faraday cage environment. Ongoing pilot deployments during temporary public events organized by the Municipality of Lisbon are validating the system’s flexibility and ease of use. To support broader adoption, the project will produce comprehensive documentation, tutorials, and instructional videos, facilitating operational autonomy for municipalities, law enforcement, and civil protection authorities. |
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Integrated Sensing and Communication for 6G: From Algorithm Development to Hardware PrototypingSunwoo Kim Biography
Sunwoo Kim received his B.S degree from Hanyang University, Seoul, Korea in 1999, and his Ph.D. degree, in 2005, from the Department of Electrical and Computer Engineering, University of California, Santa Barbara. Since 2005, he has been working in the Department of Electronic Engineering at Hanyang University, Seoul, Korea, where he is currently a professor and the department chair. He is now the director of Beyond-G Global Innovation Center at Hanyang University and was the director of the 5G/Unmanned Vehicle Research Center, funded by the Ministry of Science and ICT of Korea. He was also a visiting scholar to the Laboratory for Information and Decision Systems, Massachusetts Institute of Technology, and SPCOMNAV group at Universitat Autonoma de Barcelona, Spain. He served as an associate editor of IEEE Transactions on Vehicular Technology and is a senior member of the IEEE. His research interests include wireless communication, sensing, and localization.
Abstract
Integrated Sensing and Communication (ISAC) is gaining prominence as we transition towards 6G communication. Global research initiatives encompass algorithm development and hardware prototyping. This presentation provides an up-to-date overview of ongoing ISAC research, encompassing diverse sensing, radar algorithms, and beam management techniques. Additionally, hardware prototypes for the 6G ISAC will be showcased. The presentation delves into wireless localization and sensing in both far-field and near-field regions. Concluding remarks will highlight recent advancements in wireless sensing utilizing Rydberg atomic receivers. |