Table 1: Model parameters for all the sites.

SitePlazaSidewalkGrassland

Transmitting antenna height, 1 m3 cm3 cm1 m3 cm3 cm1 m3 cm3 cm
Receiving antenna height, 1 m1 m2 m1 m1 m2 m1 m1 m2 m
One-slope model
1.862.211.861.992.472.141.902.482.08
( ) (dB)42.8651.5153.8140.3650.9152.4940.5151.0853.56
(dB)3.254.344.622.455.745.233.025.195.59
0.890.890.860.930.870.870.910.890.85
(m)6664680171151173627397507346810
Two-slope model
1.521.001.061.551.011.051.260.651.14
3.742.912.873.343.313.293.933.623.43
( ) (dB)67.6857.2960.5469.2955.3558.8765.0355.6962.36
( ) (dB)65.6160.2661.3667.8457.3661.4466.0957.5764.04
(dB)2.491.991.753.092.021.692.981.371.39
(dB)1.852.942.251.553.472.011.511.901.42
0.890.430.500.870.340.640.840.650.80
0.910.920.940.880.930.960.930.980.98
(m)325738473859
(m)631351475916205278627182259
Plane-earth model
(m)708123173708123173708123173
Free-space model
(m)4983