Design of a Novel 60 GHz Millimeter Wave Q-Slot Antenna for Body-Centric Communications

Table 6

Length (ls) and width (ws) changes.

Parameters	Final design	r = 2.1	r = 2.3	r1 = 1.9	r1 = 2.1
Slot gap (mm)	0.2	0.1	0.3	0.3	0.1
Resonant frequency (GHz)	60.06	59.92	60.28	60.12	59.98
Bandwidth (GHz)	12.11	11.66	—	—	11.72
Gain (dBi)	8.62	8.89	8.40	8.47	8.88
Radiation efficiency (%)	82.15	82.09	81.74	81.27	82.49