ITU R M 1039:2006
ITU R M 1039:2006 Co-frequency Sharing Between Stations In The Mobile Service Below 1 Ghz And Mobile Earth Stations Of Non-geostationary Mobile-satellite Systems (earth-space) Using Frequency Division Multiple Access (fdma)
Table of Contents
Annex1-Ananalyticalmethodologyforcalculatinginterferenceprobabilityfromnon-GSOMSS
earthstationtoLMSoperatingbelow1GHz
1Introduction
2Interferencemodelbetweennon-GSOMSSsystemand
landmobilecommunicationssystem
3PropagationlossbetweenMESandbasestationofMS
system
4Systemparameters
5Computationoftheinterferencecoordinationdistance
whentheexistingMSsystemisinthecommunicationsmode
5.1InterferencefromMEStobasestation
5.2InterferencefromMEStoLMS
6Computationoftheinterferencecoordinationdistance
whentheexistingMSsystemisinthewaitingmode
6.1InterferencefromMEStobasestation
6.2InterferencefromMEStoLMS
7Evaluationofinterferenceprobability
7.1Probabilityofco-channeltransmissionofMSsystem
andMES
7.2Otherparameterstobeconsidered
7.3Overallofinterferenceprobability
Annex2-Methodsandstatisticsfordeterminingsharing
betweenMSSearthstationtransmittersbelow
1GHzandmobilestations
1Introduction
2PotentialinterferencefromMSStomobileservices
3Summaryofthemethodology
3.1Coordinationcontour
3.2Calculationofthresholdexceedanceprobability
3.2.1Geographicareaforthecalculation
3.2.2Singletransmitterpfdprobabilitydensity
function
3.2.3Multi-carrierpfdprobabilitydensityfunction
3.2.4ProbabilitythatMEStransmittersareactivated
3.2.5Exceedanceprobability
3.2.6Exceedanceprobabilityversusactualinterference
4Referencepropagationmodel
5ProbabilityofmultipleMEStransmissions
6Evaluationofsinglecarrierpfdprobabilitydistribution
7Evaluationofmulti-carrierpfdprobabilitydistribution
8DeterminationofMEStransmissionprobability
9Calculationofexceedanceprobability
Appendix1toAnnex2-Exampleapplicationofthecalculation
methodology
1Introduction
2Protectioncontourcalculation
3Pfddistributions
4Interferenceprobability
Annex3-Statisticalmodellingoffrequencysharing
betweenstationsintheMSandnon-GSOMSS
earthstationswithprimaryallocations
(Earth-to-space)below1GHz
1Introduction
2Statisticalmodellingofinterferencefromnon-GSO
MSSMESsintomobileservicestations
3Modellingofinterferencefrommobileservicestations
intonon-GSOMSSsatellites
Appendix1toAnnex3-Exampleapplicationsofthe
statisticalmodels
1Introduction
2Potentialinterferencefromnon-GSOMSSearthstations
intoLMS
3PotentialinterferencefromLMSintonon-GSOMSS
satellites
Annex4-Useofthedynamicchannelassignmenttechnique
forfrequencyinterferenceavoidance
1Introduction
2DCAASoperation
2.1Channelselection
2.2Channelimplementation
2.3Messagelengths
3DCAASprobabilityconsiderations
3.1Probabilityofassigninganactivechannel
3.2ProbabilityofanMEStransmittingnearamobilereceiver
4SummaryofinterferenceavoidanceduetotheDCAAStechnique
4.1Aspectsofthesharingapproach
5Demonstrationofavoidanceofinterference
5.1Initialtestssimulation
5.2Demonstrationtests
5.2.1Satellitereceiversensitivitytests
5.2.2DCAAStesting
5.2.3Interferenceintolandmobilesystems