Table of Contents
ANNEX1-TheeffectsofDopplerfrequency-shiftsand
switchingdiscontinuitiesinthefixed-satellite
service
1.Dopplerfrequency-shifts(applicabletonon-geostationary
satellites)
1.1Telephony
1.2Telegraphyanddatatransmissions
1.3Phototelegraphy
1.4Widebanddata
1.5Television
2.Switchingdiscontinuities(applicabletonon-geostationary
satellites)
2.1Telephony
2.2Telegraphyanddatatransmissions
2.3Phototelegraphy
2.4Television
3.Summary
APPENDIX1TOANNEX1
1.CCITTRecommendations
2.Telegrapherror-ratesin50Bdstart-stoptelegraphsystems
3.Compensationbymeansofvariable-delaycorrectiondevices
3.1Compensationwithmoderateaccuracy
3.2Compensationwithhighaccuracy
4.Summaryofmeansofcompensation
ANNEX2-InfluenceofDopplerfrequency-shiftsondigital
interfacecharacteristicsbetweensatelliteand
terrestrialnetwork
1.Outlineofproblem
1.1Typesofinternationaldigitallinks
1.2Typesofnetworks
1.3Theinterconnectionofdigitallinkstimedbydifferentclocks
2.Discussionofsolutions
2.1Analogueswitchednationalnetworks
2.2DigitalswitchingattheTC,nationalnetworksnon-synchronous
2.3Digitalswitchingwithsynchronousnationalnetworks