ITU R SM 851:1993
ITU R SM 851:1993 Sharing Between The Broadcasting Service And The Fixed And/or Mobile Services In The Vhf And Uhf Bands
Table of Contents
ANNEX1-Protectionofthebroadcastingservicefromthefixedandlandmobileservices
PARTI-TOANNEX1-Televisionservices
1.Minimumfieldstrengthtobeprotected
2.Protectionratios
2.1General
2.2Protectionratiosforthevisionchannel
2.3Protectionratiosforthesoundchannel
2.4Protectionratiosforout-of-channelinterference
3.Protectionmarginfortelevisionservices
4.Additionalfactorstobeconsidered
4.1Adjustmentfactors(AF)
4.2Multipleinterferencefromco-sitedsources
4.3Multipleinterferencefromnonco-sitedsources
4.4Effectivetransmittingantennaheights
5.Interferenceassessments
PARTII-TOANNEX1-Soundbroadcastingservices
1.Minimumfieldstrengthstobeprotected
2.Protectionratios
3.Protectionmarginforsoundbroadcastingservices
4.Additionalfactorstobeconsidered
4.1Adjustmentfactors(AF)
4.2Multipleinterferencefromco-sitedsources
4.3Multipleinterferencefromnonco-sitedsources
4.4Effectivetransmittingantennaheights
5.Interferenceassessments
APPENDIX1-TOANNEX1
4.1Theconceptofusablefieldstrength
4.2Calculationoftheprobabilityintegral
4.3Practicalcalculationprocedurestodeterminethe
usablefieldstrength
APPENDIX2-TOANNEX1
ANNEX2-Protectionofthelandmobileservicefromthe
broadcastingservice
1.Minimumfieldstrengthvaluestobeprotected
1.1Protectionofanaloguespeechsystems
1.2Protectionofdigitalspeechsystems
2.Protectionratios
2.1Sharingwiththebroadcastingservice(television)
whenthemobilechannelfallswithinthetelevision
channel
2.2Sharingwiththebroadcastingservice(sound)when
themobilechannelfallswithin600kHzofthe
broadcasting...
2.3Otherinterferencemechanisms
3.Protectionmargin
3.1Assessmentoftheprotectionmargin
4.Additionalfactorstoconsider
4.1Receivingantennadiscrimination
4.2Antennaheights
5.Interferenceassessments
ANNEX3-Protectionofthefixedservicefromthebroadcasting
service
Introduction
1.Minimumfieldstrengthtobeprotected
2.Protectionratios
2.1Sharinginthebroadcastingchannel(television)
2.2Sharingoutsidethebroadcastingchannel(television)
2.3Otherinterferencemechanisms
3.Protectionmargin
3.1Assessmentoftheprotectionmargin
4.Additionalfactorstoconsider
4.1Receivingantennadiscrimination
4.2Receivingantennacross-polarizationdiscrimination