109450.fig.0010a
(a)
109450.fig.0010b
(b)
109450.fig.0010c
(c)
109450.fig.0010d
(d)
Figure 10: Radiation patterns of the proposed antenna for WLAN/WiMAX operation frequencies: in the (a) 2.5 GHz; (b) 3.5 GHz; (c) 5.3 GHz; and (d) 5.7 GHz bands.