ITU R SF 1649:2008
ITU R SF 1649:2008 Guidance For Determination Of Interference From Earth Stations On Board Vessels To Stations In The Fixed Service When The Earth Station On Board Vessels Is Within The Minimum Distance
Table of Contents
ScopeAnnex1-Guidanceforidentifyingandusingpointsonthe
operatingcontourforthedeterminationofinterference
fromemissionsfromanESVinmotiontoastationin
thefixedservice(criticalcontourpointmethod)
1Introduction
2ConsiderationsindeterminingtheCCP
2.1Stationaryoperation
2.2In-motionoperation
2.2.1IdentificationoftheCCPforeach
potentially-affectedFSreceiver
2.2.2Considerationoflong-terminterference
2.2.3Considerationofshort-terminterference
3ApplicationofCCPmethodologyinidentifyingavailablespectrum
Annex2-ThecalculationofinterferencefromESVs
1Introduction
2Minimumrequiredpropagationlossforafixedpercentageof
timewithstationarystations
3Implicationsoftimevariationsinparametersotherthan
propagationloss
3.1Short-terminterferenceconsideration
3.2Long-terminterferenceconsideration
4Detailedconsiderationoflong-terminterference
4.1Contributionfromamainbeampassagetotheaverage
interferencepower
4.2Contributiontotheaverageinterferencepowerfroma
segmentwithoutamainbeamintersection
4.3Aggregateaverageinterferencepowerfromanoperating
contour
5Detailedconsiderationofshort-terminterference
6Summary
Annex3-Alternativemethodforcalculationofinterference
fromESVs
1Introduction
2Simulationprocedure
3Determinationoftheoccurrenceofshort-terminterference
throughsimulation
4Determinationoflong-terminterferencethroughsimulation
5Fastsimulationprocedures
6Determinationoffullinterferencepowerdistribution
throughsimulation
Annex4-Technicalparametersrequiredforsmallerantenna
complianceinthe14GHzband
1Compliancewithintersystemcoordinationagreements
2EffectontheminimumdistancegiveninRecommendation
ITU-RSF.1650-1