Reflector-Backed Antenna for UWB Medical Applications with On-Body Investigations

Table 10

Path loss values at 4 GHz using probes in dB for PA at different distances d.

Surface Probe (PA) (dB)	20 mm	12 mm	10 mm	4 mm
Skin	14.94	19.3	21.12	28.64
Fat1	11.40	16.06	17.82	24.99
Muscle	4.66	9.15	10.88	16.14
Fat2	1.72	6.16	7.81	12.66
SI wall	−2.28	1.93	3.25	6.09
SI start	−3.034	1.36	2.42	4.68
SI middle	−14.23	−9.14	−8.74	−6.36
SI end	−24.03	−19.96	−18.76	−16.57
Average PL	38.97	39.26	39.88	45.21