Rec. ITU-R S.736-3 … ESTIMATION OF POLARIZATION DISCRIMINATION IN CALCULATIONS OF INTERFERENCE BETWEEN GEOSTATIONARY-SATEL ..
ANNEX 1 … Estimation of polarization discrimination
1 Definition of the polarization of a wave
2 Definition of polarization angle and of relative alignment angle
3 Definition of polarization decoupling ratio and polarization discrimination
4 Calculation of polarization discrimination, Y, in linear polarization
    4.1 Calculation of polarization discrimination, Yd, in the down-link
    4.2 Calculation of the polarization discrimination, Yu , in the up-link
5 Calculation of polarization discrimination, Y, in the case of two polarizations: one circular, the other linear
6 Application to actual cases
7 Orientation of polarization planes
8 Depolarization due to rain (see Appendix 3)
APPENDIX 1 TO ANNEX 1 … Optimization of polarization orientation
1 Simple model of a satellite-to-Earth link
2 Polarization orientation to minimize interference due to rain depolarization
3 Polarization orientation to minimize clear-sky interference
APPENDIX 2 TO ANNEX 1 … Calculation of polarization angle and relative alignment angle
1 Calculation of polarization angle e of a wave in linear polarization
    1.1 Definition of orthonormal coordinate systems (see Fig. 2)
    1.2 Particular case: the earth station is at the boresight: P = Pv
    1.3 General case: the earth station is distinct from ...
2 Calculation of relative alignment angle b for the linear polarization
    2.1 Down-link case: reception by a wanted earth station P1 (see Fig. 3)
    2.2 Uplink case: reception by a wanted satellite S1 (see Fig. 4)
APPENDIX 3 TO ANNEX 1 … Depolarization due to rain: Cross-polarization of waves in the troposphere for Earth-space ...
1 Definition of cross-polarization discrimination due to rain
2 Executive summary of a method for calculating long-term statistics of hydrometeor-induced cross-polarization (see Recommend
3 Executive summary of a method for calculating long-term rain attenuation statistics from point rainfall rate (see Recommend
4 Degradations of polarization
5 Effects of rain on the attenuation of waves
    5.1 Estimations of attenuations