Fig. 3

(a) Equivalent magnetic currents (M) and equivalent capacitive loading (C1–C4) on the miniaturized antenna structure, and (b) Simulated reflection coefficient (\(|S_{11}|\)) versus frequency for the antenna with and without shorting vias.

(a) Equivalent magnetic currents (M) and equivalent capacitive loading (C1–C4) on the miniaturized antenna structure, and (b) Simulated reflection coefficient (\(|S_{11}|\)) versus frequency for the antenna with and without shorting vias.