ITU R S 483:1997
ITU R S 483:1997 Maximum Permissible Level Of Interference In A Television Channel Of A Geostationary Satellite Network In The Fixed Satellite Service Employing Frequency Modulation, Caused By Other Networks Of This Service
Table of Contents
ANNEX11Multiplecarrierinterference
2TVsound
ANNEX2-InterferencebetweenTV/FMsignals
1Introduction
2SubjectiveassessmentofTVpicturequality
3Impairmentsduetothermalnoise
4Impairmentsduetoco-channelinterferencecausedbyanother
TV/FMcarrier
5Multipleco-channelinterferers
6Impairmentsduetoaggregatethermalnoiseandco-channel
interference
7ImpactofdesiredTV/FMsignaldeviation
8Developmentofprotectionmasks
8.1Protectionratioatzerooffset(PR0)
8.2Widthoftheplateauandslopesofthemask
9Permissiblelevelofinterference
10Direct-to-home(DTH)TV/FMtransmission
11Comparisonofthedevelopedmaskswiththeavailable
measureddata
12Usableresultsfromfurthermeasurements
13Conclusions