SIST EN 301 790 V1.2.2:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digitalna videoradiodifuzija (DVB) – Povratni kanal za satelitske distribucijske sistemeDigital Video Broadcasting (DVB); Interaction channel for satellite distribution systems33.170Televizijska in radijska difuzijaTelevision and radio broadcasting33.070.40SatelitSatelliteICS:Ta slovenski standard je istoveten z:EN 301 790 Version 1.2.2SIST EN 301 790 V1.2.2:2003en01-december-2003SIST EN 301 790 V1.2.2:2003SLOVENSKI

ETSIEN301790V1.2.2(2000-12)EuropeanStandard(Telecommunicationsseries)DigitalVideoBroadcasting(DVB);Interactionchannelforsatellitedistributionsystems;EuropeanBroadcastingUnionUnionEuropéennedeRadio-TélévisionEBU·UERSIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)2ReferenceDEN/JTC-DVB-96Keywordsbroadcasting,DVB,interaction,satelliteETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.©EuropeanBroadcastingUnion2000.Allrightsreserved.SIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)3ContentsIntellectualPropertyRights..........................................................................................................................7Foreword......................................................................................................................................................71Scope..................................................................................................................................................82References..........................................................................................................................................83Definitions,symbolsandabbreviations...............................................................................................93.1Definitions..................................................................................................................................................93.2Symbols......................................................................................................................................................93.3Abbreviations..............................................................................................................................................94ReferenceModelsforSatelliteInteractiveNetworksinDVB............................................................114.1ProtocolStackModel................................................................................................................................114.2SystemModel...........................................................................................................................................124.3ReferenceModeloftheSatelliteInteractiveNetwork.................................................................................135ForwardLink....................................................................................................................................146ReturnLinkBase-bandPhysicalLayerSpecificationandMultipleAccessDefinition.......................146.1RCSTsynchronization...............................................................................................................................156.1.1TimingControl....................................................................................................................................156.1.2Carriersynchronization........................................................................................................................156.1.3Burstsynchronization...........................................................................................................................156.1.4Symbolclocksynchronization..............................................................................................................166.2BurstFormat.............................................................................................................................................166.2.1Traffic(TRF)burstformats..................................................................................................................166.2.1.1ATMTRFburst..............................................................................................................................166.2.1.2OptionalMPEG2-TSTRFburst......................................................................................................166.2.2Synchronizationandacquisitionburstformats......................................................................................176.2.2.1Synchronization(SYNC)burstformat.............................................................................................176.2.2.2Acquisition(ACQ)burst.................................................................................................................176.2.3CommonSignallingChannel(CSC)burstformat..................................................................................186.2.4BitNumberingandInterpretation.........................................................................................................196.2.5TransmissionOrder..............................................................................................................................196.3Randomizationforenergydispersal...........................................................................................................196.4Coding......................................................................................................................................................206.4.1CRCerrordetectioncode.....................................................................................................................206.4.2ReedSolomonoutercoding..................................................................................................................206.4.3Convolutionalinnercoding..................................................................................................................206.4.4Turbocode...........................................................................................................................................216.4.4.1Descriptionoftheturbocodepermutation.......................................................................................226.4.4.2Determinationofthecirculationstates............................................................................................236.4.4.3Ratesandpuncturingmap...............................................................................................................236.4.4.4OrderoftransmissionandmappingtoQPSKconstellation..............................................................246.5Modulation................................................................................................................................................256.5.1BitmappingtoQPSKconstellation......................................................................................................256.5.2Basebandshapingandquadraturemodulation.......................................................................................256.5.3Outputpowercontrol...........................................................................................................................266.5.4GuardTime..........................................................................................................................................266.6MACmessages.........................................................................................................................................266.6.1PrefixMethod......................................................................................................................................266.6.1.1Prefixmethodmechanism...............................................................................................................266.6.1.2SatelliteAccessControl(SAC)field...............................................................................................266.6.2Dataunitlabellingmethod(DULM).....................................................................................................276.6.2.1DULMwithATM-formatting.........................................................................................................276.6.2.2DULMwithMPEG-formatting.......................................................................................................296.6.3Mini-slotMethod.................................................................................................................................306.6.4ContentionbasedMini-slotMethod......................................................................................................30SIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)46.7MultipleAccess.........................................................................................................................................306.7.1MF-TDMA..........................................................................................................................................306.7.1.1FixedMF-TDMA...........................................................................................................................306.7.1.2DynamicMF-TDMA(Optional).....................................................................................................316.7.1.3Frequencyrange.............................................................................................................................316.7.2Segmentationofthereturnlinkcapacity...............................................................................................326.7.2.1Superframes...................................................................................................................................326.7.2.2Frames...........................................................................................................................................336.7.2.3Timeslots........................................................................................................................................336.8Capacityrequestcategories........................................................................................................................346.8.1ContinuousRateAssignment(CRA)....................................................................................................346.8.2RateBasedDynamicCapacity(RBDC)................................................................................................346.8.3VolumeBasedDynamicCapacity(VBDC)..........................................................................................346.8.4AbsoluteVolumeBasedDynamicCapacity(AVBDC).........................................................................346.8.5FreeCapacityAssignment(FCA).........................................................................................................347Synchronizationprocedures..............................................................................................................357.1OverallEventsSequencing........................................................................................................................357.2Initialsynchronizationprocedure...............................................................................................................377.3Logonprocedure.......................................................................................................................................387.4Coarsesynchronizationprocedure(Optional).............................................................................................387.5FineSynchronizationProcedure(Optional)................................................................................................397.6SynchronizationMaintenanceprocedure....................................................................................................407.7LogoffProcedure......................................................................................................................................417.7.1General................................................................................................................................................417.7.2Normal................................................................................................................................................417.7.3Abnormal.............................................................................................................................................418Controlandmanagement..................................................................................................................418.1Protocolstack............................................................................................................................................418.1.1RCSTTypeA(IP)...............................................................................................................................418.1.2OptionalRCSTTypeB(NativeATM).................................................................................................438.2RCSTAddressing......................................................................................................................................448.3ForwardLinkSignalling............................................................................................................................448.3.1GeneralSITables.................................................................................................................................448.3.1.1SuperframeCompositionTable(SCT)............................................................................................448.3.1.2FrameCompositionTable(FCT)....................................................................................................448.3.1.3Time-SlotCompositionTable(TCT)..............................................................................................458.3.1.4SatellitePositionTable(SPT).........................................................................................................458.3.1.5CorrectionMessageTable(CMT)...................................................................................................458.3.1.6TerminalBurstTimePlan(TBTP)..................................................................................................458.3.2TerminalInformationMessage(TIM)..................................................................................................458.3.3PCRInsertionTSPacket......................................................................................................................458.3.4Summary.............................................................................................................................................458.3.5RepetitionRates...................................................................................................................................468.4ReturnLinkSignalling..............................................................................................................................468.4.1RCSTsynchronizationandIdentificationmessages..............................................................................468.4.2ConfigurationparametersbetweenRCSTandNCC(optional)..............................................................478.4.3OtherMessagesforNetworkManagement(optional)...........................................................................478.4.4BurstTimePlanExchange...................................................................................................................488.5CodingofSIforForwardLinkSignalling..................................................................................................488.5.1Introduction.........................................................................................................................................488.5.2SITableMechanism............................................................................................................................488.5.3DSM-CCSectionMechanism..............................................................................................................488.5.4CodingofPIDandtable_idfields.........................................................................................................498.5.5Tabledefinitions..................................................................................................................................498.5.5.1StandardSectionHeaders...............................................................................................................498.5.5.1.1SISectionHeader......................................................................................................................508.5.5.1.2DSM-CCPrivateSectionHeader...............................................................................................518.5.5.2SuperframeCompositionTable(SCT)............................................................................................528.5.5.3FrameCompositionTable(FCT)....................................................................................................548.5.5.4TimeslotCompositionTable(TCT)................................................................................................55SIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)58.5.5.5SatellitePositionTable(SPT).........................................................................................................588.5.5.6PCRInsertionTransportStreampacket...........................................................................................588.5.5.6.1TSpacketformat.......................................................................................................................588.5.5.6.2Adaptationfield........................................................................................................................598.5.5.6.3OptionalPayloadfield...............................................................................................................598.5.5.7TerminalBurstTimePlan(TBTP)..................................................................................................608.5.5.8TerminalInformationMessage(TIM).............................................................................................628.5.5.9CorrectionMessageTable(CMT)...................................................................................................648.5.5.10Descriptorcoding...........................................................................................................................668.5.5.10.1DescriptorIdentificationandlocation........................................................................................668.5.5.10.2NetworkLayerInfoDescriptor(optional)..................................................................................668.5.5.10.3CorrectionMessagedescriptor...................................................................................................678.5.5.10.4LogonInitializeDescriptor........................................................................................................688.5.5.10.5ACQAssignDescriptor.............................................................................................................708.5.5.10.6SYNCAssignDescriptor...........................................................................................................718.5.5.10.7EncryptedLogonIDDescriptor.................................................................................................728.5.5.10.8EchoValueDescriptor..............................................................................................................728.5.5.10.9Linkagedescriptor(privatedata)...............................................................................................738.5.5.10.10RCScontentdescriptor..............................................................................................................748.5.5.10.11Satelliteforwardlinkdescriptor.................................................................................................758.5.5.10.12Satellitereturnlinkdescriptor....................................................................................................778.5.5.10.13TableUpdateDescriptor............................................................................................................788.5.5.10.14Contentioncontroldescriptor.....................................................................................................798.5.5.10.15CorrectionControldescriptor....................................................................................................798.5.5.11Accessingoftheforwardlinksignalling..........................................................................................809Security,Identity,Encryption...........................................................................................................849.1Authentication...........................................................................................................................................849.2ForwardLink............................................................................................................................................849.3ReturnLink...............................................................................................................................................859.4Security(optional).....................................................................................................................................859.4.1Cryptographicprimitives......................................................................................................................859.4.1.1Publickeyexchange.......................................................................................................................869.4.1.2Hashing..........................................................................................................................................869.4.1.3Encryption......................................................................................................................................869.4.1.4Pseudo-randomnumbers.................................................................................................................879.4.2MainKeyExchange,MKE..................................................................................................................879.4.3QuickKeyExchange,QKE..................................................................................................................889.4.4ExplicitKeyExchange,EKE................................................................................................................889.4.5Keyderivation.....................................................................................................................................889.4.6Datastreamprocessing.........................................................................................................................889.4.6.1Payloadstreams..............................................................................................................................899.4.6.2Dataencryption..............................................................................................................................899.4.6.3Encryptionflags.............................................................................................................................899.4.6.4Chainingandinitializationvector....................................................................................................909.4.7SecurityEstablishment.........................................................................................................................909.4.8Persistentstatevariables.......................................................................................................................919.4.8.1Guaranteeddelivery........................................................................................................................919.4.9SecurityMACMessages......................................................................................................................919.4.9.1SecuritySign-On...............................................................................................................919.4.9.2SecuritySign-OnResponse................................................................................................929.4.9.3MainKeyExchange...........................................................................................................939.4.9.4MainKeyExchangeResponse...........................................................................................939.4.9.5QuickKeyExchange.........................................................................................................949.4.9.6QuickKeyExchangeResponse..........................................................................................949.4.9.7ExplicitKeyExchange.......................................................................................................959.4.9.8ExplicitKeyExchangeResponse.......................................................................................959.4.9.9Wait..................................................................................................................................96SIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)6AnnexA(informative):Compliancetable.......................................................................................97Bibliography...............................................................................................................................................98History.......................................................................................................................................................99SIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)7IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyJointTechnicalCommittee(JTC)oftheEuropeanBroadcastingUnion(EBU),ComitéEuropéendeNormalisationElectrotechnique(CENELEC)andtheEuropeanTelecommunicationsStandardsInstitute(ETSI).NOTE:TheEBU/ETSIJTCBroadcastwasestablishedin1990toco-ordinatethedraftingofstandardsinthespecificfieldofbroadcastingandrelatedfields.Since1995theJTCBroadcastbecameatripartitebodybyincludingintheMemorandumofUnderstandingalsoCENELEC,whichisresponsibleforthestandardizationofradioandtelevisionreceivers.TheEBUisaprofessionalassociationofbroadcastingorganizationswhoseworkincludestheco-ordinationofitsmembers'activitiesinthetechnical,legal,programme-makingandprogramme-exchangedomains.TheEBUhasactivemembersinabout60countriesintheEuropeanbroadcastingarea;itsheadquartersisinGeneva.EuropeanBroadcastingUnionCH-1218GRANDSACONNEX(Geneva)SwitzerlandTel:+41227172111Fax:+41227172481FoundedinSeptember1993,theDVBProjectisamarket-ledconsortiumofpublicandprivatesectororganizationsinthetelevisionindustry.ItsaimistoestablishtheframeworkfortheintroductionofMPEG-2baseddigitaltelevisionservices.Nowcomprisingover200organizationsfrommorethan25countriesaroundtheworld,DVBfostersmarket-ledsystems,whichmeettherealneeds,andeconomiccircumstances,oftheconsumerelectronicsandthebroadcastindustry.NationaltranspositiondatesDateofadoptionofthisEN:24November2000DateoflatestannouncementofthisEN(doa):28February2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31August2001DateofwithdrawalofanyconflictingNationalStandard(dow):31August2001SIST EN 301 790 V1.2.2:2003

ETSIETSIEN301790V1.2.2(2000-12)81ScopeThepresentdocumentisthebaselinespecificationfortheprovisionoftheinteractionchannelforGEOsatelliteinteractivenetworkswithfixedreturnchannelsatelliteterminals(RCST).ThepresentdocumentfacilitatestheuseofRCSTsforindividualorcollectiveinstallation(e.g.SMATV)inadomesticenvironment.Italsosupportstheconnectionofsuchterminalswithin-housedatanetworks.ThepresentdocumentmaybeappliedtoallfrequencybandsallocatedtoGEOsatelliteservices.ThesolutionsprovidedinthepresentdocumentforinteractionchannelforsatelliteinteractivenetworksareapartofawidersetofalternativestoimplementinteractiveservicesforDig