Review Article

Wideband and UWB Antennas for Wireless Applications: A Comprehensive Review

Figure 48

DRA working in circular polarization. The slits on the DR excite the circular polarization, while the metal strips (drawn in black) are used to increase the operating bandwidth of the axial ratio triggering a circular polarization that goes to overlap to that radiated by the DR [195]. Tridimensional view (a) and front view (b).
(a)
(b)