Gain Enhancement of a Multiband Resonator Using Defected Ground Surface on Epoxy Woven Glass Material

Table 1

The multiband DGS resonator performances.

Frequency (GHz)	Peak gain (dB)	Main lobe magnitude (dBi)	Main lobe direction	3-dB beam width
5.2	5.85	6.2	10°	86°
8.3	6.2	5.9	50°	53.7°
9.5	3.9	6.5	31°	43.9°
12.2	5.9	8.6	50°	42.1°
14.6	4.7	4.7	10°	30.1°