Design and Development of a New Electrically Small 3D UHF Spherical Antenna with 360° of Opening Angle in the Whole Space for RFID, WSN, and RSN Applications

Table 5

Comparison between this work and the work [12].

Antenna	Present	[12]
(mm)	23.9	26
ka	0.458	0.498
Resonant frequency desired (MHz)	915	915
Resonance frequency obtained (MHz)	914.4	930
(dB)	1.52	1.81
(dB)	−0.68	−8.07
– (dB)	2.2	9.88
Opening angle	360°	<360°