Policy on Intellectual Property Right (IPR)
Annex 1 A model to estimate off-axis e.i.r.p. density levels caused by antenna
pointing errors of VMES
1 Introduction
2 Motion-induced antenna pointing errors
3 Statistical characterization of the off-axis e.i.r.p. density
4 Computing the probability of exceeding a reference e.i.r.p. density
level
5 An illustrative statistical e.i.r.p. density mask to limit off-axis
emissions
6 Computing the boresight e.i.r.p. density
7 An illustrative method to determine the boresight e.i.r.p. density to
comply with the example statistical e.i.r.p. density mask
7.1 Input to the computation
7.2 Estimating the CDF of
7.3 Computing the maximum value for that complies with the example
statistical mask
References
Annex 2 Methodology to assess
interference levels resulting from variations in earth station off-axis e.i.r.p. due to
pointing errors caused by movement of the vehicle-mounted platform
1 Introduction
2 Interference assessment criteria
3 Reference framework for the interference analysis
4 Short-term interference effects: degradation of (C/N)
ratio
4.1 Static case: Terminal T2 transmitting in the
absence of time-varying antenna pointing errors
4.2 Terminal T2 transmitting in the presence of
time-varying antenna pointing errors
5 Example calculation using the above methodology
6 Long-term interference effects
7 An illustrative procedure to implement this methodology
7.1 Input to the computation
7.2 Degradation of (C/N) ratio in the absence of
time-varying antenna pointing errors
7.3 Degradation of (C/N) ratio in the presence of time-varying
antenna pointing errors
8 Summary