Policy on Intellectual Property Right (IPR)
1 Introduction
1.1 Applicability
1.2 Reciprocity, and the
designation of terminals
1.3 Iteration
1.4 Organization of the
Recommendation
1.5 Style of description
2 Inputs
2.1 Terrain profile
2.2 Other inputs
2.3 Constants
2.4 Integral digital
products
3 Preliminary calculations
3.1 Limited percentage
times
3.2 Path length,
intermediate points, and fraction over sea
3.3 Antenna altitudes and
path inclination
3.4 Climatic parameters
3.4.1 Refractivity
in the lowest 1 km
3.4.2 Refractivity
in the lowest 65 m
3.4.3 Precipitation
parameters
3.5 Effective Earth-radius
geometry
3.6 Wavelength
3.7 Path classification
and terminal horizon parameters
Case 1. Path is LoS
Case 2. Path is NLoS
Continue for both cases
3.8 Effective heights and
path roughness parameter
3.9 Tropospheric-scatter
path segments
3.10 Gaseous absorption on
surface paths
3.11 Free-space basic
transmission loss
3.12 Knife-edge diffraction
loss
4 Obtaining predictions for the
principal sub-models
4.1 Sub-model 1. Normal
propagation close to the surface of the Earth
4.2 Sub-model 2. Anomalous
propagation
4.3 Sub-model 3. Troposcatter
propagation
4.4 Sub-model 4:
Sporadic-E
5 Combining sub-model results
5.1 Combining sub-models 1
and 2
5.2 Combining sub-models 1
+ 2, 3 and 4
5.3 Combining sub-models
within a Monte-Carlo simulator
A.1 Introduction
A.2 Spherical-Earth
diffraction loss
A.3 First-term
spherical-Earth diffraction loss
Start of calculation to be performed twice
A.4 Bullington diffraction
loss for actual profile
Case 1. Path is LoS for effective Earth curvature not exceeded
for p% time
Case 2. Path is NLoS for effective Earth curvature not
exceeded for p% time
A.5 Bullington diffraction
loss for a notional smooth profile
Case 1. Path is LoS for effective Earth radius exceeded for p%
time
Case 2. Path is NLoS for effective Earth radius exceeded for
p% time
B.1 Introduction
B.2 Characterize
multi-path activity
For LoS path:
For NLoS path:
B.3 Calculation of the
notional zero-fade annual percentage time
B.4 Percentage time a
given clear-air fade level is exceeded on a surface path
B.5 Percentage time a
given clear-air fade level is exceeded on a troposcatter path
C.1 Introduction
C.2 Preliminary
calculations
C.3 Percentage time a
given precipitation fade level is exceeded
C.4 Melting-layer model
C.5 Path-averaged
multiplier
D.1 Characterize the
radio-climatic zones dominating the path
Large bodies of inland water
Large inland lake or wet-land areas
D.2 Point incidence of
ducting
D.3 Site-shielding losses
with respect to the anomalous propagation mechanism
D.4 Over-sea surface duct
coupling corrections
D.5 Total coupling loss to
the anomalous propagation mechanism
D.6 Angular-distance
dependent loss
D.7 Distance and
time-dependent loss
D.8 Basic transmission
loss associated with ducting
E.1 Introduction
E.2 Climatic
classification
E.3 Calculation of
troposcatter basic transmission loss
F.1 Introduction
F.2 Gaseous absorption for
surface path
F.3 Gaseous absorption for
a troposcatter path
F.4 Gaseous absorption for
terminal/common-volume troposcatter path
F.5 Water-vapour density
in rain
F.6 Specific sea-level
attenuations
G.1 Derivation of foEs
G.2 1-hop propagation
G.3 2-hop propagation
G.4 Basic transmission
loss
H.1 Introduction
H.2 Path length and
bearing
H.3 Calculation of
intermediate path point
I.1 Introduction
I.2 Iteration method
Stage 1: setting the search range
Stage 2: binary search
J.1 Introduction
J.2 Combining the
sub-models