498176.fig.005a
(a)
498176.fig.005b
(b)
Figure 5: Full-wave simulation for the antenna using HFSS: (a) sketch of the antenna, and (b) simulated S11 parameter, where  GHz at −13.747 dB;  GHz at −20.156 dB;  GHz at −14.323 dB; and  GHz at −8.083 dB.