Ultra-Wideband Antennas for Wireless Communication Applications

Table 2

DRAs’ comparisons.

Antenna	Dimensions	BW	References
Bi-cone DRA	7.58 cm^3	2.8-7.38 GHz	[120]
U-shaped DRA		2.65-10.9 GHz	[121]
MIMO DRA		4.98-6.08 GHz	[122]
Balanced dual-segment cylindrical DRA		6.4- 11.736 GHz	[123]
Compact UWB DRA		3.22-4.06 and 4.84-5.96 GHz	[124]
UWB DRA cognitive radio		2.4–12 and 2.3-4.5 GHz	[125]