A Compact Frequency Reconfigurable Hybrid DRA for LTE/Wimax Applications

Table 2

Comparison between DRAs with proposed structure on the basis of compactness.

S. number	DRA shapes	Technique used	Compactness (%)
(1)	Cylindrical DRA [6]	C-shaped slot	5
(2)	Rectangular DRA [7]	Metallic patch	39
(3)	Rectangular DRA [14]	DRA on patch	23
(4)	Ring DRA [13]	Moon-shaped DGS	48.77
(5)	This work	Rectangular slot DGS	53.54