ITU R S 1557:2002
ITU R S 1557:2002 Operational Requirements And Characteristics Of Fixed-satellite Service Systems Operating In The 50/40 Ghz Bands For Use In Sharing Studies Between The Fixed-satellite Service And The Fixed Service
Table of Contents
ANNEX1-RequireddownlinkparametersofFSSsystemsoperatinginthe37.5-42.5GHzband
1Introduction
2Requiredearthterminalantennasizevs.downlinkpfd
2.1DownlinkEb/(N0?I0)
2.2Thermalnoisedensity,N0andinterferencenoisedensity,I0
2.3Requiredrainfademargin
2.4Pointingloss
2.5Results
3Discussionofresults
4Summary
ANNEX2-ExaminationofTable21-4oftheRadioRegulations(RR)
pfdvaluesrequiredfortheGSOsatellitesintheFSSto
operate
1Introduction
2GSOFSSsystemparameterassumptions
2.1Linkbudgetassumptions
3Pfdlimitmaskusedinanalysis
3.1Pfdmaskused
4Areasrequiringfurthertechnicalstudies
4.1Earthstationantennasizeinthe50/40GHzfrequencyband
4.2Requirementforaradomeandpotentialimpactonclearweather
performance
5Discussionofresults
5.1Interpretationofsummaryresults
ANNEX3-TechnicalcharacteristicsofGSOV1FSSsystem
ANNEX4-Userterminal:technicalcharacteristicsofMULTIMEDIASAT
GSOFSSsystem
ANNEX5-Userterminal:technicalcharacteristicsofhigh-density
GSOFSSsystem
ANNEX6-Gateway:technicalcharacteristicsofnon-GSOFSSsystem