ETSI TS 101 376-5-7 V2.3.1 (2008-08) GEO-Mobile Ra

ETSITS101376-5-7V2.3.1(2008-08)TechnicalSpecificationGEO-MobileRadioInterfaceSpecifications(Release2);GeneralPacketRadioService;Part5:Radiointerfacephysicallayerspecifications;Sub-part7:RadioSubsystemSynchronization;GMPRS-105.010ETSIETSITS101376-5-7V2.3.1(2008-08)2GMPRS-105.010ReferenceRTS/SES-00303-5-7KeywordsGMPRS,GMR,GPRS,GSM,GSO,interface,MES,mobile,MSS,radio,satellite,S-PCN,synchronization,terminalETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2008.Allrightsreserved.DECTTM,PLUGTESTSTM,UMTSTM,TIPHONTM,theTIPHONlogoandtheETSIlogoareTradeMarksofETSIregisteredforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSITS101376-5-7V2.3.1(2008-08)3GMPRS-105.010ContentsIntellectualPropertyRights................................................................................................................................5Foreword.............................................................................................................................................................5Introduction........................................................................................................................................................61Scope........................................................................................................................................................72References................................................................................................................................................72.1Normativereferences.........................................................................................................................................72.2Informativereferences........................................................................................................................................83Definitionsandabbreviations...................................................................................................................83.1Definitions..........................................................................................................................................................83.2Abbreviations.....................................................................................................................................................94Generaldescriptionofsynchronizationsystem........................................................................................94.1Systemtimingstructure......................................................................................................................................94.2Timebasecounter...............................................................................................................................................94.3Generalrequirement...........................................................................................................................................94.3.1Timingandfrequencyreferencepoint..........................................................................................................94.3.2MESrequirement..........................................................................................................................................94.3.3Networkrequirement....................................................................................................................................94.3.4Measurementconditions.............................................................................................................................105Timingsynchronization,TtG/GtTcall...................................................................................................105.1Generaldescription...........................................................................................................................................105.2Timingofforwardlinkcommonchannels.......