Khan A, Ahmad A, Alam M. High Gain Metamaterial Implemented Antenna Design with Circular Polarization for mm-Wave 5G and 6G Sub-THz Communication. JEI [Internet]. 2024 Jan. 24 [cited 2026 Mar. 21];5(4):423-41. Available from: https://irojournals.com/iroei/article/view/536