ITU R SA 1158:2003
ITU R SA 1158:2003 Feasibility Of Frequency Sharing In The 1,670-1,710 Mhz Band Between The Meteorological-satellite Service (space-to-earth) And The Mobile-satellite Service (earth-to-space)
Table of Contents
Annex1SharinganalysisbetweentheMetSatserviceandtheMSSinthefrequencybands1,670-1,675MHzand
1,683-1,690MHz
1Introduction
2Systemcharacteristicsassumedfortheanalyses
3Analysismethodology
3.1MESdensity
3.2MetSatstationhorizonantennagain
3.3Analysisareas
3.4Interferencecalculation
4Summaryofresults
4.1Summaryonseparationdistances
4.2Summaryoncoordinationdistances
5Conclusions
Annex2
Annex3SharingtechniquesforMSSandMetSatearthstations
inthe1,675-1,690MHzfrequencyband
1Frequencyassignmentbylocation
1.1Methodofassuringadequatefrequency-distance
separation(forthefixedexclusionzonecase)
1.2Comments
2Beacon-actuatedprotectionzones
2.1Aflexiblemethodofassuringadequate
frequency-distanceseparation
2.2Comments
3Interferenceavoidancebyfrequencyselection
3.1MethodtoavoidinterferencetoMetSatearthstation
typeswithmanyinstallations
3.2Comments
4UsingfrequenciesinanMSSbeamcoverageareaonlywhenthe
MetSatearthstationsarenotusingthem
4.1Timesharingoffrequencies
4.2Comments
Annex4Sharingconsiderationsforthesub-band1,698-1,710MHz
basedonthetimeseparationconcept
1Introduction
2Meteorologicalsatellitesystemcharacteristics
3Mobile-satellitesystemcharacteristics
4Simulationandtechnicalanalysis
5Summary