Policy on Intellectual Property Right (IPR)
1 Introduction
2 Method description
2.1 Transmission loss
2.2 Power available
2.3 Power density
2.4 Desired-to-undesired
signal ratio
3 Horizon geometry
3.1 Effective earth radius
4 High antenna height
4.1 Smooth earth horizons
4.2 Facility radio horizon
4.3 Higher antenna
(aircraft or satellite) horizon
5 Diffraction region
5.1 Rounded earth
diffraction
5.2 Knife-edge diffraction
5.3 Diffraction
attenuation
6 Line-of-sight region
6.1 Two-ray path length
geometry
6.2 Effective Reflection
Coefficient
6.2.1 Divergence and ray length factors
6.2.2 Surface roughness factors
6.2.3 Antenna pattern gain factors
6.2.4 Plane
earth reflection coefficients
6.3 Line-of-sight
transition distance, d0
6.4 Line-of-sight
attenuation, ALoS
7 Scattering region
8 Terrain attenuation
9 Free space loss
10 Atmospheric absorption
10.1 Surface absorption
rates
10.1.1 Determining
ray length
10.1.2 Line-of-sight
paths (d ≤ dML)
10.1.3 Single
horizon paths (dML ≤ d ≤ dL1 + dLo1)
10.1.4 Two
horizon paths
11 Variability
11.1 Variability due to
long-term fading
11.1.1 Time
blocks
11.1.2 Climates
11.2 Variation due to
multipath
11.2.1 Surface
reflection multipath
11.2.2 Tropospheric
multipath
11.2.3 Variation due to multipath
11.3 Rain attenuation
11.4 Variation due to scintillation
11.5 Mixing distributions
1 Ray tracing
2 Counterpoise or ground plane
2.1 Effective reflection coefficient
2.2 Counterpoise factors
3 Cumulative distribution