Policy on Intellectual Property Right (IPR)
Annex 1
�1���� Introduction
������� 1.1���� Definitions
�2���� Types of FS systems analysed for susceptibility to GSO FSS interference
������� 2.1���� P-MP system
������� 2.2���� P-P system
�3���� General considerations
������� 3.1���� P-MP systems
������� 3.2���� Fixed P‑P systems (including star configuration)
�4���� Assumptions
������� 4.1���� Basic assumptions
������� 4.2���� P-MP assumptions
����������������� 4.2.1���� Intra-service (including intra-system) interference
����������������� 4.2.2���� Omni hub
����������������� 4.2.3���� Subscriber distribution
����������������� 4.2.4���� Level ground
����������������� 4.2.5���� Subscriber antenna heights
����������������� 4.2.6���� 0% blockage
��� ��������������4.2.7���� No diversity
����������������� 4.2.8���� Hub height, cell radius and hub elevation angle
bias in P-MP systems
������� 4.3���� P-P FS assumptions
����������������� 4.3.1���� Location of FS receiver
����������������� 4.3.2���� Maximum hop distance
����������������� 4.3.3���� Minimum/maximum antenna diameter
����������������� 4.3.4���� Antenna height models
�5���� Clear-sky atmospheric attenuation
������� 5.1���� Geoclimatic parameters and applicable ranges
������� 5.2���� Water vapour density, atmospheric pressure and radio refractive
index
������� 5.3���� Discussion on the consequence of propagation related effects
�6���� System and interference calculations
������� 6.1���� Required margin calculations
����������������� 6.1.1���� Intra-service (including intra-system) and
inter-service interference determination
������� 6.2���� Calculation of required transmit power
������� 6.3���� Received carrier level calculations
����������������� 6.3.1���� Calculation of received carrier level and required
margin for P-MP FS hub‑to‑subscriber link (outroute)
����������������� 6.3.2���� Calculation of received carrier level and required
margin for P-P FS link
������� 6.4���� Calculation of available margin
������� 6.5���� Calculation of system thermal noise
������� 6.6���� Calculation of interference from GSO FSS downlinks into
receivers of P‑MP and P‑P FS systems
������� 6.7���� Discussion on accounting for the effects of rain on
interference contributions during rain faded conditions on the wanted FS signal
�7���� Interpretation of resulting availability statistics generated by
application of the methodology and possible ways to express sharing criteria