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

Table 7

Parameters for radial line 5 in the outdoor experiment, azimuth = 16.29^°, elevation = 5^°.

Serial number	Radial distance; [ft]	RSSI [mW]; (directional antenna)	RSSI [mW]; (omnidirectional antenna)	[s]; (directional antenna)	[s]; (omnidirectional antenna)
1	10	0.8885 (0.0607)	0.320 (0.0155)	3.5	17.3
2	15	0.4557 (0.0231)	0.1667 (0.0115)	17.2	150.3
3	20	0.2000 (0.01)	NC	95.5	NC
4	21	0.19 (0.01)	NC	187	NC