Annex 1 Sharing analysis between
the MetSat service and the MSS in the frequency bands 1 670-1 675
MHz and 1 683-1 690 MHz
1 Introduction
2 System characteristics assumed for the analyses
3 Analysis methodology
3.1 MES density
3.2 MetSat station horizon antenna gain
3.3 Analysis areas
3.4 Interference calculation
4 Summary of results
4.1 Summary on separation distances
4.2 Summary on coordination distances
5 Conclusions
Annex 2
Annex 3 Sharing techniques for MSS and MetSat earth stations in the 1 675-1 690
MHz frequency band
1 Frequency assignment by location
1.1 Method of assuring adequate frequency-distance separation (for the fixed
exclusion zone case)
1.2 Comments
2 Beacon-actuated protection zones
2.1 A flexible method of assuring adequate frequency-distance separation
2.2 Comments
3 Interference avoidance by frequency selection
3.1 Method to avoid interference to MetSat earth station types with many
installations
3.2 Comments
4 Using frequencies in an MSS beam coverage area only when the MetSat
earth stations are not using them
4.1 Time sharing of frequencies
4.2 Comments
Annex 4 Sharing considerations for the sub-band 1 698-1 710
MHz based on the time separation concept
1 Introduction
2 Meteorological satellite system characteristics
3 Mobile-satellite system characteristics
4 Simulation and technical analysis
5 Summary