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Titre : Spatial Data Focusing for High-Precision Wireless Geocasting
Date : 30 novembre 2023
Heure: 14:00
Résumé : This thesis investigates spatial data focusing (SDF) for wireless physical-layer geocasting. This approach can aid in providing location-based services and messaging to large groups of mobile devices that exist in internet-of-things frameworks. It addresses privacy concerns that exist in conventional location-based services, where users are required to disclose their location. It overcomes node self-localization requirements and the challenging balance between overhead, scalability, and delivery rate that exist in network-layer geocast routing algorithms. Most importantly, it succeeds in increasing precision, reducing array size, and minimizing complexity compared to conventional beamforming approaches. Within the SDF framework, it additionally addresses two shortcomings. That is, (i) the inability for range-domain focusing and (ii) a severe sensitivity to multipath propagation. By overcoming these constraints, a first-ever experimental proof-of-concept SDF architecture is developed.
Lieu : Université Libre de Bruxelles (ULB), Campus Solbosch Avenue Franklin Roosevelt 50 1050 Bruxelles, Belgique