Characterization and Modeling of Received Signal Strength and Charging Time for Wireless Energy Transfer

Table 8

Parameters for radial line 6 in the outdoor experiment, azimuth = 30^°; elevation = 5^°.

Serial number	Radial distance; [ft]	RSSI [mW]; (directional antenna)	RSSI [mW]; (omnidirectional antenna)	[s]; (directional antenna)	[s]; (omnidirectional antenna)
1	10	0.75 (0.0346)	0.2175 (0.0126)	4.3	31.5
2	12	0.5672 (0.0222)	0.1875 (0.0096)	7.6	27.3
3	14	0.3843 (0.0222)	0.1100 (0)	10.9	114
4	15	0.2929 (0.0111)	NC	12.5	NC
5	20	0.222 (0.011)	NC	20.6	NC
6	22	0.15 (0.01)	NC	94.5	NC