Innovative Integration of High-Performance Floating Patch Antennas in Empty Substrate Integrated Waveguides. - Herraiz Tirado, Darío; Fernandez, Marcos D.; Herraiz-Zanon, David; Carballo, Ignacio Galeote; Alomainy, Akram; Belenguer, Angel (Applied Sciences (2076-3417), 2025)