Annex 1� Determination of the visibility statistics
of space stations operating in circular non-geosynchronous orbits as seen by a
terrestrial station
�1���� Introduction
�2���� The satellite in the inertial
frame
�3���� Transformation to Earth
coordinates
�4���� Distance and azimuth to a
terrestrial station
�5���� Satellite elevation and
angular distance from main beam
Annex 2� Simulation of
interference into analogue fixed wireless routes from LEO satellites
�1���� Introduction
�2���� Description of the model
������� 2.1���� Input
������� 2.2���� Output
�3���� Simulation results
�4���� Conclusions
Annex 3� Determination of the
effects of emissions from space stations non-GSO on FS digital microwave
receivers
�1���� Introduction
�2���� Statistical modelling
�3���� Interference determination
�4���� Modelling the effect of
interference on digital systems
�5��� �An
alternative derivation of FDP
�6���� Sample results of simulation
�7���� Interim conclusions
Annex 4� Methodology to determine
the effect of interference� on digital
receivers employing diversity
�1���� Introduction
�2���� Switched diversity
�3���� Maximum power combining
�4���� Diversity fade margin loss
(DFML)
�5���� Summary
Annex 5� Considerations of the
uniformity of the interference environment in a month
Annex 6� The methodology for
developing the cumulative distribution of the ratio� of received power to the sum of noise and interference
powers� from results of simulations of
the emissions from� constellations of
non-GSO space stations
�1���� Relationship between C/I
and C/(N + I)
�2���� Modelling the cumulative
distribution of fade depth
�3���� An example
�4���� Conclusions
Annex 7� Analytical method for
evaluating the interference to a station in the FS from a non‑GSO
satellite constellation using circular or elliptical orbits including HEOs
�1���� Introduction
�2���� Case of circular orbits
�3����Case of
elliptical orbits
������� 3.1���� Range of a satellite
������� 3.2���� pdf of the satellite argument
������� 3.3���� Determination
of the argument as a function of time
������� 3.4���� Determination of satellite
locations
�4���� Elevation
and azimuth angles to the satellites under free space propagation conditions
�5���� Separation
angles between the FS antenna direction and visible satellites
�6���� Summary
of features of the analytical method
�