Policy on Intellectual Property Right (IPR)
References
1 Introduction
2 Description on system
configuration and basic parameters
2.1 Explanation of
parameters
2.1.1 Transmitter
side
2.1.2 Receiver
side
2.2 System configuration
2.3 Basic system
parameters
3 Free-space propagation
characteristics relating to the link design
3.1 Clear-sky propagation
3.2 Effect of fog
3.2.1 Estimation
of fog attenuation using atmosphere visibility
3.2.2 Detailed
analysis on aerosol attenuation (fog)
3.3 Effect of rain
3.4 Snow attenuation
3.5 Ambient light attenuation
3.5.1 Solar trajectory
3.5.2 Solar power at the receiver
3.6 Scintillation effects
3.7 Other factors
4 Applications in the fixed
service
4.1 General features
4.2 Basic application
examples
4.3 Real deployment
examples
5 Link design consideration
5.1 Link margin
5.1.1 Beam diameter
5.1.2 Geometrical
attenuation
5.1.3 Molecular absorption
5.1.4 Received
level
5.1.5 Beam
wavefront errors and intensity profile homogeneity
5.1.6 Margin for
the unit distance
6 Deployment of FSOL in specific
climatic areas
7 Consideration on the
operational aspect
7.1 Propagation times
7.2 Transmitted data
confidentiality
7.3 Guidelines for
implement FSOL
7.3.1 FSO
installation process
7.3.2 FSO
alignment process example
7.4 Multi FSOLs
8 Summary
Annex 1 Examples of the link budget
1 Example of the link budget
2 Example of FSO availability prediction
2.1 Some link margin
2.2 Availability and
Quality of Service
2.2.1 Example of
minimum visibility calculation
2.2.2 Example of weather statistical data
2.2.3 Example of
a link availability calculation
2.2.4 Example of
availability according to the link distance
Annex 2 Comparison between ITU-R Recommendations and “FSO
prediction” QoS Software (Experimentation
in France)
1 Introduction
2 FSOL field test
2.1 Site and equipment
characteristics
2.2 Link design
2.2.1 Engineering
data
2.2.2 Field data
3 Simulation software
3.1 Capture data window
3.2 Report window
3.3 Profile window
4 Results comparison
4.1 Comparison FSO
prediction versus FSO and France weather station
4.1.1 Aerosol
attenuation (fog)
Fog radiation attenuation example (see equation (3) in § 3.2.2
in the main text)
4.1.2 Other
attenuation
4.2 QoS comparison and
availability FSO versus ITU-R Recommendation
4.2.1 Comparison
of QoS FSO versus Recommendation ITU-R F.1668
4.2.2 Comparison of FSO availability versus
Recommendation ITU-R F.1703
4.3 Comparison of FSOL
availability versus FSO prediction software
5 Conclusion
Annex 3 Direct fibre coupling FSO terminals and their
radiocommunication application
1 Introduction
2 Terminal description
3 RoFSOL application
3.1 RF-optic I/F unit