Miri, Seyed Omidreza, and Farzad Mohajeri. “Gain and Bandwidth Improvement of a Cylindrical Dielectric Resonator Antenna (CDRA) by Using of Metamaterial Structures”. Majlesi Journal of Electrical Engineering 15, no. 2 (February 12, 2024). Accessed May 1, 2026. https://oiccpress.com/mjee/article/view/4911.