A Compact Frequency Reconfigurable Hybrid DRA for LTE/Wimax Applications

Figure 6

Antenna parameters in presence of slot. (a) Reflection coefficient, (b) 3D gain plot, (c) -field distribution on DRA at 1.77 GHz, and (d) surface current distribution on ground plane at 1.77 GHz.

(a)

(b)

(c)

(d)