ITU R SM 1448:2000
ITU R SM 1448:2000 Determination Of The Coordination Area Around An Earth Station In The Frequency Bands Between 100 Mhz And 105 Ghz
Table of Contents
ANNEX1-Methodsforthedeterminationofthecoordinationareaofanearthstation
1Introduction
1.1Overview
1.2Structure
1.3Basicconcepts
1.4Sharingscenarios
1.5Propagationmodelconcepts
1.6Thecoordinationcontour:conceptsandconstruction
2Determinationoftheearthstationcoordinationareawith
respecttoterrestrialstations
2.1Earthstationsoperatingwithgeostationaryspace
stations
2.2Earthstationsoperatingwithnon-geostationaryspace
stations
3Determinationofthecoordinationareabetweenearthstations
operatinginbidirectionallyallocated...
3.1Coordinatingandunknownearthstationsoperatingwith
geostationaryspacestations
3.2Coordinatingorunknownearthstationsoperatingwith
non-geostationaryspacestations
4Generalconsiderationsforthedeterminationofthe
propagationmode(1)requireddistance
4.1Radio-climaticinformation
4.2Minimumcoordinationdistanceforpropagation
modes(1)and(2)
4.3Maximumcoordinationdistanceforpropagationmode(1)
4.4Guidanceonapplicationofpropagationmode(1)procedures
5Generalconsiderationsforthedeterminationofthe
propagationmode(2)requireddistance
5.1Therequireddistanceforpropagationmode(2)
APPENDIX1TOANNEX1-Determinationoftherequireddistance
forpropagationmode(1)
1Adjustmentsforearthstationhorizonelevationangleand
distance
2Frequenciesbetween100MHzand790MHz
operatingwithoperatingwith...
3Frequenciesbetween790MHzand60GHz
4Frequenciesbetween60GHzand105GHz
APPENDIX2TOANNEX1-Determinationoftherequireddistance
forpropagationmode(2)
1Overview
2Maximumcalculationdistance
3Calculationofthepropagationmode(2)contour
3.1Iterativecalculations
4Constructionofthepropagationmode(2)contour
APPENDIX3TOANNEX1-Antennagaintowardsthehorizonfor
anearthstationoperatingwith...
1General
2Determinationoftheangularseparation...
3Determinationofantennagain
APPENDIX4TOANNEX1-Antennagaintowardthehorizonfor
earthstationsoperatingwith...
1DeterminationofthehorizonantennagainusingtheTIGmethod
1.1Determinationofsatellitevisibilitylimits
1.2Determinationofminimumandmaximumhorizongainfrom
theminimumvisibleelevationangleprofile
1.3Examplecalculationofthehorizonantennagainusing
theTIGmethod
2Determinationofthehorizonantennagaindistributionfor
theTVGmethod
3Equationsforuseindeterminingthelocationsoforbiting
satellites
APPENDIX5TOANNEX1-Determinationofthecoordination
distanceusingtheTVGmethod
1DeterminationoftherequireddistanceusingtheTVGmethod
2Exampleofthecalculationofacoordinationcontourusing
theTVGmethod
APPENDIX6TOANNEX1-Determinationofthecoordinationarea
foratransmittingearthstation...
1Introduction
2Determinationofthebidirectionalcoordinationcontourfor
propagationmode(1)
2.1Calculationofhorizongainforunknownreceivingearth
stationsoperatingwithgeostationaryspacestations
2.2Examplecoordinationcontourcalculationforbothearth
stationsoperatingwithgeostationaryspacestations
2.3Examplecoordinationcontourcalculationfora
transmittingearthstationoperatingwith...
3Determinationofthebidirectionalrainscattercontour
APPENDIX7TOANNEX1-Determinationofauxiliarycontours
forpropagationmode(2)
1Determinationofauxiliarycontoursforpropagationmode(2)
2Thestep-by-stepalgorithm
3Referenceradiationpatternsforline-of-sightradio-relay
systemantennas
APPENDIX8TOANNEX1-Parameters
ANNEX2-Systemparametersfordeterminationofthe
coordinationareaaroundanearthstation
1Introduction
2Calculationofthepermissibleinterferencepowerofan
interferingemission
2.1Calculationofthenoisetemperatureofthereceivingsystem
2.2DeterminationofthefactorNL
2.3DeterminationofthefactorMs
2.4DeterminationofthefactorW
3Horizonantennagainforareceivingearthstationwith
respecttoatransmittingearthstation