Omnidirectional millimeter-wavelength antennas based on segmental dielectric resonators which support whispering gallery modes - A. E. Kogut; I. K. Kuzmychov; G. Annino; R. S. Dolia; S. O. Nosatiuk; E. A. Kogut; V. N. Derkach; Ye. N. Ostryzhnyi (Radio Physics and Radio Astronomy, 2023)