Investigation on Wearable Antenna under Different Bending Conditions for Wireless Body Area Network (WBAN) Applications

Table 1

Gain for different circular bending radii.

Freq (GHz)	Radius
	Flat (dBi)	X-axis bend gain (dBi)				Y-axis bend gain (dBi)
		25 mm	45 mm	55 mm	65 mm	25 mm	45 mm	55 mm	65 mm
2.4	4.7	3.93	4.38	4.51	4.72	4.13	4.72	4.95	5.05
2.45	4.72	3.81	4.23	4.38	4.62	4.07	4.6	4.83	4.94
2.5	4.73	3.65	4.05	4.2	4.47	4.01	4.41	4.66	4.78