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