Acceleration Techniques in Ray-Tracing using Relational Databases - Pascual, D.C.; Plata, L.L.; Diego, I.G.; Yagüe, Á.S.; Pérez, F.C. (2024 IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), INC-USNC-URSI 2024 - Proceedings, 2024)