SIST EN 300 943 V7.0.1:2003

• Abstract:

  Upgrade from Phase 2+ to Release 1998

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.50 - Global System for Mobile Communication (GSM)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 300 943 V7.0.1 (2000-01) - Digital cellular telecommunications system (Phase 2+) (GSM); Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface (GSM 04.12 version 7.0.1 Release 1998)

Overview

SIST EN 300 943 V7.0.1:2003 is a Slovenian adoption of the European Standard EN 300 943, which defines support for the Short Message Service Cell Broadcast (SMSCB) on the GSM (Global System for Mobile Communication) radio interface, as specified in GSM 04.12 version 7.0.1 (Release 1998). This standard is part of the ongoing development and upgrade of digital cellular telecommunications (GSM Phase 2+) and directly addresses mechanisms for broadcasting short messaging services over the mobile radio interface. It also aligns with the GSM Release 1998 functional enhancements under Phase 2+.

Key Topics

• Short Message Service Cell Broadcast (SMSCB):

  • SMSCB allows simultaneous, geographically targeted delivery of short messages (text) from the GSM Public Land Mobile Network (PLMN) to numerous mobile stations.
  • Typical use cases include broadcasting traffic information, weather alerts, or public safety notifications.

• Network and Mobile Station Interaction:

  • Explains the formatting, scheduling, and management of SMSCB messages between the network infrastructure (Base Transceiver Stations) and mobile devices (handsets).
  • Focuses on efficient delivery and battery-saving mechanisms, such as Discontinuous Reception (DRX).

• Message Scheduling and DRX:

  • Provides procedures for broadcasting Schedule Messages, enabling mobile stations to selectively receive messages of interest, thus minimizing power consumption.
  • Defines three operating modes for message reception to balance power savings and timely message delivery.

• Message Format and Transmission:

  • Specifies the block structure, encoding principles, and numbering conventions for messages transmitted on the Cell Broadcast Channel (CBCH).
  • Outlines provisions for message slot management, null message handling, and mechanisms for high-priority or unscheduled transmissions.

Applications

• Emergency and Public Information Broadcasting:

  • Enables authorities to send mass notifications, public alerts, or warnings (such as severe weather or disaster alerts) simultaneously to users in targeted areas.
  • Supports government and safety organizations in critical communication scenarios.

• Commercial and Service Announcements:

  • Mobile operators can use SMSCB to broadcast commercial offers, service updates, or maintenance notices to subscribers within specified locations.

• Network Optimization:

  • By leveraging scheduling and battery-saving features, operators can manage network resources more efficiently and enhance the end-user experience.
  • Reduces unnecessary power use by mobile devices, aligning with green telecom initiatives.

Related Standards

• GSM 03.41: Technical realization and architecture of SMS Cell Broadcast within GSM systems.
• GSM 04.12: Defines the radio interface protocols for SMSCB support (basis for this standard).
• GSM 02.03: General teleservices supported in GSM networks, including SMSCB.
• GSM 05.02: Specifications for multiplexing and multiple access methods on GSM radio paths.
• GSM 04.04 and GSM 04.06: General requirements for the radio interface and data link layer specification between mobile stations and base stations.

These standards collectively establish a robust, interoperable framework for delivering cell broadcast services in GSM networks, supporting diverse applications from public safety to commercial messaging.

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Keywords: GSM standard, SMS Cell Broadcast, mobile radio interface, digital cellular telecommunications, emergency broadcasting, public alert, SMSCB, Release 1998, network optimization, mobile communication standards.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface (GSM 04.12 version 7.0.1 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 943 Version 7.0.1SIST EN 300 943 V7.0.1:2003en01-december-2003SIST EN 300 943 V7.0.1:2003SLOVENSKI
STANDARD
ETSIEN300943V7.0.1(2000-01)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);ShortMessageServiceCellBroadcast(SMSCB)supportonthemobileradiointerface(GSM04.12version7.0.1Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 943 V7.0.1:2003

ETSIETSIEN300943V7.0.1(2000-01)2(GSM04.12version7.0.1Release1998)ReferenceREN/SMG-030412Q7KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/[e-mail]ETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]Ideliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 943 V7.0.1:2003

ETSIETSIEN300943V7.0.1(2000-01)3(GSM04.12version7.0.1Release1998)ContentsIntellectualPropertyRights.4Foreword.41Scope.51.1References.51.2Abbreviations.52Generaldescription.52.1SchedulingInformation.63MessageformatonBTS-MSInterface.63.1General.63.2Formatconvention.73.2.1Numberingconvention.73.2.2Orderofbittransmission.73.3Blockcontent.73.3.1BlockType.73.4SMSCBMessage.83.5ScheduleMessage.83.5.1Header.93.5.2NewCBSMSMessageBitmap.93.5.3NewCBSMSMessageDescription.93.5.4OtherMessageDescriptions.103.5.5Messagedescriptionencoding.103.5.5.1FirsttransmissionofanSMSCBwithintheSchedulePeriod.103.5.5.2Retransmissionindication.113.5.5.3FreeMessageSlot,optionalreading.113.5.5.4FreeMessageSlot,readingadvised.113.5.5.5ReservedCodepoints.11AnnexA(informative):SampleImplementationofSMSCBDRXMode.12History.14SIST EN 300 943 V7.0.1:2003

ETSIETSIEN300943V7.0.1(2000-01)4(GSM04.12version7.0.1Release1998)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbytheSpecialMobileGroup(SMG).ThepresentdocumentdescribeshowtheShortMessageServiceCellBroadcast(SMSCB)issupportedoverthemobileradiointerfacewithinthedigitalcellulartelecommunicationssystem(Phase2+).ThecontentsofthepresentdocumentissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocument,itwillbere-releasedwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7indicatesRelease1998ofGSMPhase2+.xtheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.ThespecificationfromwhichthepresentdocumenthasbeenderivedwasoriginallybasedonCEPTdocumentation,hencethepresentationofthepresentdocumentmaynotbeentirelyinaccordancewiththeETSIdraftingrules.NationaltranspositiondatesDateofadoptionofthisEN:31December1999DateoflatestannouncementofthisEN(doa):31March2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2000DateofwithdrawalofanyconflictingNationalStandard(dow):30September2000SIST EN 300 943 V7.0.1:2003

ETSIETSIEN300943V7.0.1(2000-01)5(GSM04.12version7.0.1Release1998)1ScopeThepresentdocumentdescribeshowtheShortMessageServiceCellBroadcast(SMSCB)(Teleservice23asspecifiedinGSM02.03)issupportedoverthemobileradiointerface.1.1ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.•ForthisRelease1998document,referencestoGSMdocumentsareforRelease1998versions(version7.x.y).[1]GSM01.04:"Digitalcellulartelecommunicationsystem(Phase2+);Abbreviationsandacronyms".[2]GSM02.03:"Digitalcellulartelecommunicationsystem(Phase2+);TeleservicessupportedbyaGSMPublicLandMobileNetwork(PLMN)".[3]GSM03.41:"Digitalcellulartelecommunicationsystem(Phase2+);TechnicalrealizationofShortMessageServiceCellBroadcast(SMSCB)".[4]GSM04.04:"Digitalcellulartelecommunicationsystem;layer1Generalrequirements".[5]GSM04.06:"Digitalcellulartelecommunicationsystem;MobileStation-BaseStationSystem(MS-BSS)interfaceDataLink(DL)layerspecification".[6]GSM05.02:"Digitalcellulartelecommunicationsystem(Phase2+);Multiplexingandmultipleaccessontheradiopath".1.2AbbreviationsAbbreviationsusedinthepresentdocumentarelistedinGSM01.04.2GeneraldescriptionSMSCBisaserviceinwhichshortmessagesmaybebroadcastfromaPLMNtoMobileStations(MS)s.SMSCBmessagescomefromdifferentsources(e.g.trafficreports,weatherreports).ThesourceandsubjectoftheSMSCBmessageisidentifiedbyamessageidentifierintheSMSCBmessageheader.AsequencenumberintheSMSCBmessageheaderenablestheMStodeterminewhenanewmessagefromagivensourceisavailable.SMSCBmessagesarenotacknowledgedbytheMS.ReceptionofSMSCBmessagesbytheMSisonlypossibleinidlemode.ThegeographicalareaoverwhicheachSMSCBmessageistransmittedisselectedbythePLMNoperator,byagreementwiththeprovideroftheinformation.ASMSCBmessageisanend-to-endmessagethatisformattedby/fortheSMSCBapplication,andwhichisintendedforcustomerviewing.ItsformatisdescribedindetailinGSM03.41.ACBmessageisanymessagesentonthebasicorextendedCBCH(seeGSM05.02).ItcanbeanoccurrenceofaSMSCBmessage,oraschedulemessage.SIST EN 300 943 V7.0.1:2003

ETSIETSIEN300943V7.0.1(2000-01)6(GSM04.12version7.0.1Release1998)TheSMSCellBroadcastserviceisdesignedtominimizethebatteryusagerequirementsforaMS.AMScanreadthefirstpartofaCBmessageandthendecidewhetherornottoreadtherestofthemessage.Inaddition,thenetworkmaybroadcastScheduleMessages,providinginformationinadvanceabouttheCBmessagesthatwillbesentimmediatelyafterwards.TheMSmayusethisschedulinginformationtorestrictreceptiontothosemessagesthecustomerisinterestedinreceiving.ThisSMSCBDRXfeatureisoptionalinthenetworkandtheMS.2.1SchedulingInformationThenetworksupportingtheSMSCBDRXfeaturetransmitsScheduleMessages.AScheduleMessageincludesinformationaboutanumberofimmediatelyfollowingconsecutiveCBmessages,plannedforthatcell.ThelengthoftimecoveredbytheCBmessagesreferredtoinaScheduleMessageiscalledtheSchedulePeriodofthatmessage.ForoptimumDRX,anewScheduleMessageshouldfollowthelastmessageofaSchedulePeriod.WhennoinformationisknownaboutaCBmessage,e.g.,becausenoScheduleMessagehasbeenreceivedreferringtothatCBmessage,aMSshallread(atleast)thefirstpartoftheCBmessage.ScheduleMessagesshallbesentonthebasicandextendedCBCHindependently.Thenetworkmayoverridethepublishedscheduletotransmitnewhigh-prioritySMSCBmessages.However,afteranyscheduledeviation,thenetworkshallresumetheschedule,bytransmittingthescheduledCBmessagesatthescheduledtimeslistedintheScheduleMessage.TheScheduleMessagecontainsaMessageDescriptionforeachCBmessagetobebroadcastduringtheschedulingperiod,inorderoftransmission.ThepositionofaCBmessageiscalledthe"messageslotnumber"oftheCBmessage,anditindicatesthepositionoftheCBmessagewithinthescheduleperiod.EachMessageDescriptionincludesvariousinformation,includingforSMSCBmessagesdirectlyorindirectlyallorpartoftheirmessageidentifier,andwhetheranoccurrenceisarepetitionornot.EachScheduleMessageincludesaBeginSlotNumberfieldandanEndSlotNumberfield.TheEndSlotNumberfieldindicatesthelengthofthescheduleperiod(i.e.,specificallythenumberofCBmessageslotsaboutwhichinformationisprovided).InthecasewherethenetworkusesScheduleMessagestodescribeallmessageslotsinadvance,thefirstScheduleMessageofthenextscheduleperiodwillbetransmittedinthemessageslotpointedbyEndSlotNumberplus1.TheBeginSlotNumberisdefinedtoallowthenetworktobroadcastseveralScheduleMessagesreferringtothesamescheduleperiod.TheBeginSlotNumberfieldindicatesthemessageslotnumberoftheCBmessagefollowingthereceivedScheduleMessage.ThenetworksmaysendunscheduledScheduleMessagesduringemptymessageslots.ThenetworkneedonlyupdatetheBeginSlotNumberinanunscheduledScheduleMessagetoreflectthecurrentoffsetwithintheScheduleMessageofthenextmessagetobetransmitted.3MessageformatonBTS-MSInterface3.1GeneralACBmessageconsistsofa88octetsofinformation.The88octetblockissegmentedintofour22octetblocks.A1octetBlocktypeisaddedasaheadertoeach22octetblock.Theoverallblocksarethus23octetsinlength.ThemessageblocksaresentonthechannelallocatedasCBCHbyGSM05.02.ThetimingofthemessagesisdefinedinGSM05.02.Ifthenetworkhasnocellbroadcastinformationtotransmit,thenitmaychoosetotransmitanullmessage.SIST EN 300 943 V7.0.1:2003

ETSIETSIEN300943V7.0.1(2000-01)7(GSM04.12version7.0.1Release1998)3.2Formatconvention3.2.1NumberingconventionThebasicconventionusedinthistechnicalspecificationisillustratedinfigure1.Thebitsaregroupedintooctets.Thebitsofanoctetareshownhorizontallyandarenumberedfrom1to8.Multipleoctetsareshownverticallyandarenumberedfrom1to23.87654321Octet:1223Figure1/GSM04.12:Formatconvention3.2.2OrderofbittransmissionThemessageblocksaresentontheCBCHasdefinedinGSM05.02usingthecodingdefinedforthatchannel.TheorderofbittransmissionisdefinedinGSM04.04.3.3BlockcontentThe23octetblocksarecodedasfollows:87654321Octet:Blocktype12Information23Figure2/GSM04.12:Blockcontent3.3.1BlockTypeThepurposeoftheBlockTypeistoidentifythefunctionoftheblockandmessagebeingsent.Theblocktypeiscodedasshowninfigure3/GSM04.12.87654321Octet:SpareLPDLBSequenceNumber1001Figure3/GSM04.12:Blockty
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