Antenna for Ultra-Wideband Applications With Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators oleh Chemseddine Zebiri, Djamel Sayad, Issa T. E. Elfergani, Jamal Sulieman Kosha, Widad Faraj A. Mshwat, Chan Hwang See, Mohamed Lashab, Jonathan Rodriguez, Khalil H. Sayidmarie, Huthaifa A. Obeidat, Raed A. Abd-Alhameed