Spherically-Conformed Loxodromic 3-D-printed Dielectric Polarizer for Dual-Circularly Polarized Omnidirectional Radiation in Ka-band Vehicular Communications - Melendro-Jimenez J; Tamayo-Dominguez A; Sanchez-Olivares P; Calatayud-Maeso J; Masa-Campos JL; Fernandez-Gonzalez JM (Ieee Transactions On Vehicular Technology, 2025)