An ultra-wideband pattern reconfigurable antenna based on graphene coating

Jiang YanNan^{1, 2, 3}, Yuan Rui¹, Gao Xi^{1, 2}, Wang Jiao^{1, 2, 3, †,}, Li SiMin², Lin Yi-Yu^{1, 2}

3D radiation pattern under the conditions of (a) at 14 GHz, (b) at 14 GHz, (c) at 18 GHz, and (d) at 22 GHz.