Conformal Quad-Port UWB MIMO Antenna for Body-Worn Applications

Table 2

Characteristics of human body tissue.

Cylindrical human layers	Frequency (GHz)	Dielectric constant (ɛr)	Loss tangent (tan δ)	Thickness (mm)
Skin	2.4	42.923	0.272	1
	3	37.358	0.2786
	6	34.215	0.3584
	10	30.705	0.4806
Fat	2.4	5.285	0.145	5
	3	5.2138	0.15011
	6	4.8608	0.19612
	10	4.5572	0.23373
Muscle	2.4	52.791	0.241	13
	3	51.936	0.24804
	6	47.069	0.34935
	10	41.954	0.46476
Bone	2.4	12.661	0.2524	12
	3	8.35	0.1434
	6	7.73	0.173
	10	7.6	0.196