Handbook of Propagation Effects for Vehicular and ... - Courses

Investigations from Different Countries 7-5
Percentage of Distance Fade > Abscissa
100
10
1
8
6
4
2
8
6
4
2
Frequency
893 MHz
1550 MHz
2660 MHz
0 2 4 6 8 10 12 14 16 18 20
Fade Depth (dB)
Figure 7-2: Cumulative fade distributions at UHF, L-Band, and S-Band obtained by
Bundrock and Harvey [1989] for Melbourne, Australia at an elevation angle of 45° for a
tree-lined road with 85% tree density.
Percentage of the Distance Fade > Abscissa
100
9
8
7
6
5
4
3
2
10
9
8
7
6
5
1
4
3
2
Elevation
0 2 4 6 8 10 12 14 16
Fade Depth (dB)
Figure 7-3: Measurements in Australia at 40° and 51° elevation at 1.55 GHz for tree-line
roads [Vogel et al., 1992].
40°
51°