Wideband 5G Antenna Gain Enhancement Using a Compact Single-Layer Millimeter Wave Metamaterial Lens. - Chaker Mohsen Saleh; Eqab R. F. Almajali; Anwar Jarndal; Jawad Yousaf; Saqer Saleh Alja'afreh; Rony E. Amaya (IEEE Access, 2023)