Design and Modeling of New UWB Metamaterial Planar Cavity Antennas with Shrinking of the Physical Size for Modern Transceivers

Table 1

Radiation characteristics of two compact antennas in comparison to the proposed miniature antennas.

Parameters	[13]	[14]	First antenna	Second antenna
Gain (dBi)	0.6	0.45	7.43	6.03
Bandwidth (GHz)	1-2	0.8–2.5	4.3–18	4.3–18.6
Efficiency  (%)	26	53.6	84.5	57.57