RECOMMENDATION ITU-R SF.358-5 - MAXIMUM PERMISSIBLE VALUES OF POWER FLUX-DENSITY AT THE SURFACE ...
ANNEX 1 - Protection of terrestrial line-of-sight radio-relay systems against interference ...
1 Introduction
2 Method of determining the maximum permissible power flux-density
2.1 Interference criteria
2.2 System models
2.3 Angle dependence of power flux-density limits
2.4 Interference analysis
2.5 Frequency dependence of power flux-density limits
3 Limits of power flux-density
4 Interference from space stations in non-geostationary orbits
5 Effect of the power flux-density limits on the operation of space systems
6 Effect of the power flux-density limits on the design of digital radio-relay systems
7 Further considerations
APPENDIX 1 TO ANNEX 1 - Determination of power flux-density limits in the frequency ...
1 Introduction
2 Evaluation method
3 Model systems
4 Results of the calculations
5 Effects of the variability with time of the wanted and unwanted signal levels
APPENDIX 2 TO ANNEX 1 - Use of "spot beam" antennas on geostationary satellites
APPENDIX 3 TO ANNEX 1 - Use of orbital avoidance in the design of digital radio-relay systems
1 Introduction
2 Digital radio-relay analysis model
3 Received interference power
4 Degradation in performance due to interference
5 Discussion of results
6 Conclusion