“…On radiating surface V-shaped slot, [11][12][13] U-shaped slot, [14][15][16][17][18] C-shaped slot, 14,19-21 L-shaped slot, 22 split ring resonator, [23][24][25] hexagonal slot, 26 slanting slot, 27 rectangular slot, [28][29][30] folded slot, 31 arc shape slot, 32 spoon-shaped slot, 33 pi-shaped slot, 34 segmented radiating patch, 35 4-shaped slot 36 In grounding surface Open ended slot, 37,38 rectangular slot, 39 meandered ground slots, 40 shovel-shaped DGS, 41 U-shaped slot, 42 Capacitively loaded loop, 43 C-shaped slot 44 On feeding surface Inverted U slot 67,68 Parasitic type element --Slotted parasitic patch, 45,46 H-shaped strip, [47][48][49] inverted-cup shape strip, 50 semi-octagonal strip, 51 split ring parasitic strip, 52 rectangular strip, 53 U-shaped slit, 54 dual mode parasitic resonator, 55 arc-shaped resonator 56 Stub type element --Rectangular stub, [57][58][59]…”