SIST EN 300 908 V6.9.1:2003
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); Multiplexing and multiple access on the radio path (GSM 05.02 version 6.9.1 Release 1997)
General Information
- Abstract
05.02; S31b; CR: A145; R97; 6.8.0; 6.9.0; Clarification of PBCCH message scheduling 05.02; S31b; CR: A155; R97; 6.8.0; 6.9.0; FCCH decoding problem for multislot MS
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST EN 300 908 V6.9.1:2003 is the Slovenian adoption of the European Standard EN 300 908, focusing on the Digital cellular telecommunications system (GSM Phase 2+). This standard details the multiplexing and multiple access requirements on the GSM radio path, which are crucial for efficient and interoperable mobile communication in GSM networks. It defines the physical and logical channel mapping, multiple access techniques, and methods for resource allocation and management in GSM systems operating in the 900 MHz and 1800 MHz bands.
Developed under the ETSI Technical Committee, this standard is an essential reference for telecommunications engineers, equipment manufacturers, and network operators who implement or maintain GSM infrastructure.
Key Topics
- Logical Channels: The standard describes traffic channels (for user data and speech) and control channels (for signalling and synchronization), defining how communication is established and maintained.
- Physical Resource Allocation: Details the allocation of frequency spectrum into radio channels, timeslots, and the rules for combining them to maximize efficiency.
- Multiplexing and Multiple Access: Explains how multiple users and services are supported simultaneously using Time Division Multiple Access (TDMA) and frequency planning.
- Channel Mapping: Covers the assignment of logical channels to physical channels, supporting seamless transmission and reception over the radio interface.
- Burst Types and Timing Structures: Defines various burst formats and timing (such as normal, synchronization, and dummy bursts), ensuring robust communication and minimized interference.
- TDMA Framing: Describes GSM’s use of TDMA frames and multiframes, essential for timing, synchronization, and channel organization.
- Multislot Configurations: Supports advanced services like GPRS, describing how multiple slots can be allocated for increased throughput to a given mobile station.
- Broadcast and Control: Clarifies the distinction between different control channel types, including procedures for frequency correction, synchronization, and message scheduling, with references to PBCCH and FCCH issues.
Applications
SIST EN 300 908 V6.9.1:2003 is fundamental for:
- Network Planning and Optimization: Assisting operators in allocating spectrum and designing coverage for robust, efficient GSM services.
- Base Station Design: Guiding equipment vendors on compliance for radio interface behavior and physical channel implementation.
- Interoperability: Ensuring that devices and infrastructure from different vendors can communicate effectively within GSM networks.
- Support for Enhanced Services: Providing a basis for advanced services like packet-switched data (GPRS/EDGE), by dictating multislot usage and packet control channel definitions.
- Troubleshooting and Maintenance: Clarification of message scheduling and decoding procedures (e.g., for PBCCH and FCCH) to resolve network issues related to multislot mobiles or message scheduling.
Related Standards
- GSM 05.03: Channel Coding for digital cellular telecommunication systems.
- GSM 05.04: Modulation details for GSM.
- GSM 05.05: Specifications for radio transmission and reception.
- GSM 05.08: Radio subsystem link control.
- GSM 05.10: Radio subsystem synchronization.
- GSM 04.08: Mobile radio interface Layer 3 specification.
- GSM 03.03: Numbering, addressing, and identification within digital cellular systems.
- GSM 01.04: Abbreviations and acronyms relevant to GSM standards.
Keywords: GSM standard, multiplexing, multiple access, radio path, logical channels, physical channels, TDMA, GSM Phase 2+, mobile telecommunications, channel mapping, base station, network planning.
For further details and official documentation, always refer to the current version available from the European Telecommunications Standards Institute (ETSI) or the national standardization body.
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Frequently Asked Questions
SIST EN 300 908 V6.9.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2+) (GSM); Multiplexing and multiple access on the radio path (GSM 05.02 version 6.9.1 Release 1997)". This standard covers: 05.02; S31b; CR: A145; R97; 6.8.0; 6.9.0; Clarification of PBCCH message scheduling 05.02; S31b; CR: A155; R97; 6.8.0; 6.9.0; FCCH decoding problem for multislot MS
05.02; S31b; CR: A145; R97; 6.8.0; 6.9.0; Clarification of PBCCH message scheduling 05.02; S31b; CR: A155; R97; 6.8.0; 6.9.0; FCCH decoding problem for multislot MS
SIST EN 300 908 V6.9.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 908 V6.9.1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); Multiplexing and multiple access on the radio path (GSM 05.02 version 6.9.1 Release 1997)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 908 Version 6.9.1SIST EN 300 908 V6.9.1:2003en01-december-2003SIST EN 300 908 V6.9.1:2003SLOVENSKI
STANDARD
ETSIEN300908V6.9.1(2000-10)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);Multiplexingandmultipleaccessontheradiopath(GSM05.02version6.9.1Release1997)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)2(GSM05.02version6.9.1Release1997)ReferenceREN/SMG-020502Q6R7KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSI650RoutedesLuciolesF-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.Allrightsreserved.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)3(GSM05.02version6.9.1Release1997)ContentsIntellectualPropertyRights.6Foreword.61Scope.71.1References.71.2Abbreviations.72General.83Logicalchannels.83.1General.83.2Trafficchannels.83.2.1General.83.2.2Speechtrafficchannels.93.2.3Circuitswitcheddatatrafficchannels.93.2.4Packetdatatrafficchannels(PDTCH).93.3Controlchannels.93.3.1General.93.3.2Broadcastchannels.93.3.2.1Frequencycorrectionchannel(FCCH).93.3.2.2Synchronizationchannel(SCH).103.3.2.3Broadcastcontrolchannel(BCCH).103.3.2.4PacketBroadcastControlChannel(PBCCH).113.3.3Commoncontroltypechannels.113.3.3.1Commoncontroltypechannels,knownwhencombinedasacommoncontrolchannel(CCCH).113.3.3.2PacketCommoncontrolchannels(PCCCH).113.3.4Dedicatedcontrolchannels.113.3.4.1Circuitswitcheddedicatedcontrolchannels.113.3.4.2Packetdedicatedcontrolchannels.123.3.5CellBroadcastChannel(CBCH).123.4Combinationofchannels.124Thephysicalresource.124.1General.124.2Radiofrequencychannels.134.2.1Cellallocationandmobileallocation.134.2.2Downlinkanduplink.134.3TimeslotsandTDMAframes.134.3.1General.134.3.2Timeslotnumber.134.3.3TDMAframenumber.135Physicalchannels.145.1General.145.2Bursts.145.2.1General.145.2.2Typesofburstandbursttiming.145.2.3Normalburst(NB).145.2.4Frequencycorrectionburst(FB).155.2.5SynchronizationBurst(SB).155.2.6Dummyburst.165.2.7Accessburst(AB).165.2.8Guardperiod.175.3Physicalchannelsandbursts.175.4Radiofrequencychannelsequence.175.5TimeslotandTDMAframesequence.175.6Parametersforchanneldefinitionandassignment.175.6.1General.17SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)4(GSM05.02version6.9.1Release1997)5.6.2Generalparameters.175.6.3Specificparameters.186Mappingoflogicalchannelsontophysicalchannels.186.1General.186.2Mappinginfrequencyoflogicalchannelsontophysicalchannels.186.2.1General.186.2.2Parameters.186.2.3Hoppingsequencegeneration.196.2.4Specificcases.206.2.5Changeinthefrequencyallocationofabasetransceiverstation.206.3Mappingintimeoflogicalchannelsontophysicalchannels.206.3.1Mappingintimeofcircuitswitchedlogicalchannelsontophysicalchannels.206.3.1.1General.206.3.1.2Keytothemappingtableofclause7.206.3.1.3MappingofBCCHdata.216.3.1.4MappingofSIDFrames.216.3.2Mappingintimeofpacketlogicalchannelsontophysicalchannels.226.3.2.1General.226.3.2.2Mappingoftheuplinkchannels.226.3.2.2.1Mappingofuplinkpackettrafficchannel(PDTCH/U)andPACCH/U.226.3.2.2.2MappingofthePacketTimingAdvanceControlChannel(PTCCH/U).226.3.2.2.3MappingoftheuplinkPCCCHi.e.PRACH.236.3.2.3Mappingofthedownlinkchannels.236.3.2.3.1Mappingofthe(PDTCH/D)andPACCH/D.236.3.2.3.2MappingofthePTCCH/D.236.3.2.3.3MappingofthePBCCH.236.3.2.3.4MappingofthePCCCH.236.3.2.4MappingofPBCCHdata.236.4Permittedchannelcombinations.246.4.1Permittedchannelcombinationsontoabasicphysicalchannel.246.4.2Multislotconfigurations.256.4.2.1Multislotconfigurationsforcircuitswitchedconnections.256.4.2.2Multislotconfigurationsforpacketswitchedconnections.266.5Operationofchannelsandchannelcombinations.266.5.1General.266.5.2DeterminationofCCCH_GROUPandPAGING_GROUPforMSinidlemode.276.5.3Determinationofspecificpagingmultiframeandpagingblockindex.276.5.4ShortMessageServiceCellBroadcast(SMSCB).286.5.5Voicegroupandvoicebroadcastcallnotifications.286.5.6DeterminationofPCCCH_GROUPandPAGING_GROUPforMSinGPRSattachedmode.28AnnexA(normative):Phase2mobilesinaPhase1infrastructure.45A.1Scope.45A.2ImplementationoptionsforTCHchannels.45A.2.1C0fillingontheTCH.45A.2.1.1Adummyburstwith(BN61,BN62,BN86)=trainingsequencebitsofnormalbursts.45A.2.1.2Adummyburstwiththe"C0fillingtrainingsequence.45A.2.1.3Adummyburstwith(BN61,BN62,BN86)mappedfromtheTSCbitsofnormalburstsaccordingtothetable;below.45A.2.1.4PartialSIDinformation.45A.2.2Halfburstfilling.45A.2.2.1PartialSIDinformationfromanyassociatedSIDframe;or.46A.2.2.2Themixedbitsofthedummybursts(encryptedornotencrypted).46A.2.3DummyburstStealingflag.46A.2.4HalfburstFillingStealingflag.46A.2.5Allowedcombinations.46SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)5(GSM05.02version6.9.1Release1997)A.3IdleChannels.46AnnexB(normative):Multislotcapability.47B.1MSclassesformultislotcapability.47B.2Constraintsimposedbytheserviceselected.49B.3NetworkrequirementsforsupportingMSmultislotclasses.49AnnexC(informative):Changecontrolhistory.52History.53SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)6(GSM05.02version6.9.1Release1997)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbyETSITechnicalCommitteeSpecialMobileGroup(SMG).Thepresentdocumentdefinesthephysicalchannelsoftheradiosub-systemrequiredtosupportthelogicalchannelsofthedigitalmobilecellularandpersonalcommunicationsystemsoperatinginthe900MHzand1800MHzband(GSM900andDCS1800).ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillthenberepublishedbyETSIwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version6.x.ywhere:6indicatesrelease1997ofGSMPhase2+.xtheseconddigitisincrementedforchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:29September2000DateoflatestannouncementofthisEN(doa):31December2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30June2001DateofwithdrawalofanyconflictingNationalStandard(dow):30June2001SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)7(GSM05.02version6.9.1Release1997)1ScopeThepresentdocumentdefinesthephysicalchannelsoftheradiosub-systemrequiredtosupportthelogicalchannels.Itincludesadescriptionofthelogicalchannelsandthedefinitionoffrequencyhopping,TDMAframes,timeslotsandbursts.1.1ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.• ForthisRelease1997document,referencestoGSMdocumentsareforRelease1997versions(version6.x.y).[1]GSM01.04:"Digitalcellulartelecommunicationssystem(Phase2+);Abbreviationsandacronyms".[2]GSM03.03:"Digitalcellulartelecommunicationssystem(Phase2+);Numbering,addressingandidentification".[3]GSM04.03:"Digitalcellulartelecommunicationssystem(Phase2+);MobileStation-BaseStationSystem(MS-BSS)interfaceChannelstructuresandaccesscapabilities".[4]GSM04.06:"Digitalcellulartelecommunicationssystem(Phase2+);MobileStation-BaseStationSystem(MS-BSS)interfaceDataLink(DL)layerspecification".[5]GSM04.08:"Digitalcellulartelecommunicationssystem(Phase2+);Mobileradiointerfacelayer3specification".[6]GSM05.03:"Digitalcellulartelecommunicationssystem(Phase2+);Channelcoding".[7]GSM05.04:"Digitalcellulartelecommunicationssystem;Modulation".[8]GSM05.05:"Digitalcellulartelecommunicationssystem(Phase2+);Radiotransmissionandreception".[9]GSM05.08:"Digitalcellulartelecommunicationssystem(Phase2+);Radiosubsystemlinkcontrol".[10]GSM05.10:"Digitalcellulartelecommunicationssystem(Phase2+);Radiosubsystemsynchronization".[11]GSM03.64:"Digitalcellulartelecommunicationssystem(Phase2+);GeneralPacketRadioService(GPRS);OveralldescriptionoftheGPRSRadioInterface;Stage2".[12]GSM04.60:"Digitalcellulartelecommunicationssystem(Phase2+);GeneralPacketRadioService(GPRS);MobileStation(MS)-BaseStationSystem(BSSinterface;RadioLinkControl(RLC)andMediumAccessControl(MAC)LayerSpecification".1.2AbbreviationsAbbreviationsusedinthepresentdocumentarelistedinGSM01.04[1].SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)8(GSM05.02version6.9.1Release1997)2GeneralTheradiosubsystemisrequiredtosupportacertainnumberoflogicalchannelsthatcanbeseparatedintotwocategoriesasdefinedinGSM04.03:i)Thetrafficchannels(TCH's);ii)Thecontrolchannels.Moreinformationisgivenabouttheselogicalchannelsinclause3whichalsodefinesanumberofspecialchannelsusedbytheradiosub-system.Clause4ofthisdocumentdescribesthephysicalresourceavailabletotheradiosub-system,clause5definesphysicalchannelsbasedonthatresourceandclause6specifieshowthelogicalchannelsshallbemappedontophysicalchannels.Figure1depictsthisprocess.3Logicalchannels3.1GeneralThisclausedescribesthelogicalchannelsthataresupportedbytheradiosubsystem.3.2Trafficchannels3.2.1GeneralTrafficchannels(TCH's)areintendedtocarryeitherencodedspeechoruserdataincircuitswitchedmode.Twogeneralformsoftrafficchannelaredefined:i)Fullratetrafficchannel(TCH/F).Thischannelcarriesinformationatagrossrateof22,8kbit/s;ii)Halfratetrafficchannel(TCH/H).Thischannelcarriesinformationatagrossrateof11,4kbit/s.Packetdatatrafficchannels(PDTCH's)areintendedtocarryuserdatainpacketswitchedmode.Forthepurposeofthepresentdocument,anyreferencetotrafficchanneldoesnotapplytoPDTCHunlessexplicitlystated.Alltrafficchannelsarebi-directionalunlessotherwisestated.Unidirectionaldownlinkfullratechannels,TCH/FD,aredefinedasthedownlinkpartofthecorrespondingTCH/F.MultiplefullratechannelscanbeallocatedtothesameMS.Thisisreferredtoasmultislotconfigurations,whichisdefinedinsubclause6.4.2.1.MultiplepacketdatatrafficchannelscanbeallocatedtothesameMS.Thisisreferredtoasmultislotpacketconfigurations,asdefinedinsubclause6.4.2.2.Thespecifictrafficchannelsavailableinthecategoriesofspeechanduserdataaredefinedinthesubclausesfollowing.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)9(GSM05.02version6.9.1Release1997)3.2.2SpeechtrafficchannelsThefollowingtrafficchannelsaredefinedtocarryencodedspeech:i)Fullratetrafficchannelforspeech(TCH/FS);ii)Halfratetrafficchannelforspeech(TCH/HS).3.2.3CircuitswitcheddatatrafficchannelsThefollowingtrafficchannelsaredefinedtocarryuserdata:i)Fullratetrafficchannelfor9,6kbit/suserdata(TCH/F9.6);ii)Fullratetrafficchannelfor4,8kbit/suserdata(TCH/F4.8);iii)Halfratetrafficchannelfor4,8kbit/suserdata(TCH/H4.8);iv)Halfratetrafficchannelfor≤2,4kbit/suserdata(TCH/H2.4);v)Fullratetrafficchannelfor≤2,4kbit/suserdata(TCH/F2.4);vi)Fullratetrafficchannelfor14,4kbit/suserdata(TCH/F14.4).3.2.4Packetdatatrafficchannels(PDTCH)APDTCHcorrespondstotheresourceallocatedtoasingleMSononephysicalchannelforuserdatatransmission.Duetothedynamicmultiplexingontothesamephysicalchannelofdifferentlogicalchannels(seesubclause6.3.2),aPDTCHcarriesinformationataninstantaneousbitraterangingfrom0to22.8kbit/s.Allpacketdatatrafficchannelsareuni-directional,eitheruplink(PDTCH/U),foramobileoriginatedpackettransferordownlink(PDTCH/D)foramobileterminatedpackettransfer.3.3Controlchannels3.3.1GeneralControlchannelsareintendedtocarrysignallingorsynchronizationdata.Threecategoriesofcontrolchannelaredefined:broadcast,commonanddedicated.Specificchannelswithinthesecategoriesaredefinedinthesubclausesfollowing.3.3.2Broadcastchannels3.3.2.1Frequencycorrectionchannel(FCCH)Thefrequencycorrectionchannelcarriesinformationforfrequencycorrectionofthemobilestation.Itisrequiredonlyfortheoperationoftheradiosub-system.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)10(GSM05.02version6.9.1Release1997)3.3.2.2Synchronizationchannel(SCH)Thesynchronizationchannelcarriesinformationforframesynchronizationofthemobilestationandidentificationofabasetransceiverstation.Itisrequiredonlyfortheoperationoftheradiosub-system.Specificallythesynchronizationchannelshallcontaintwoencodedparameters:a)Basetransceiverstationidentitycode(BSIC):6bits(beforechannelcoding)consistsof3bitsofPLMNcolourcodewithrange0to7and3bitsofBScolourcodewithrange0to7asdefinedinGSM03.03.b)ReducedTDMAframenumber(RFN):19bits(beforechannelcoding)=T1(11bits)range0to2047=FNdiv(26x51)T2(5bits)range0to25=FNmod26T3'(3bits)range0to4=(T3-1)div10whereT3(6bits)range0to50=FNmod51andFN=TDMAframenumberasdefinedinsubclause4.3.3.GSM04.06andGSM04.08specifytheprecisebitordering,GSM05.03thechannelcodingoftheaboveparametersandGSM05.10defineshowtheTDMAframenumbercanbecalculatedfromT1,T2,andT3'.3.3.2.3Broadcastcontrolchannel(BCCH)Thebroadcastcontrolchannelbroadcastsgeneralinformationonabasetransceiverstationperbasetransceiverstationbasis.OfthemanyparameterscontainedintheBCCH,theuseofthefollowingparameters,asdefinedinGSM04.08arereferredtoinsubclause6.5:a)CCCH_CONFwhichindicatestheorganizationofthecommoncontrolchannels:Fromthisparameter,thenumberofcommoncontrolchannels(BS_CC_CHANS)andwhetherornotCCCHorSDCCHarecombined(BS_CCCH_SDCCH_COMB=trueorfalse)arederivedasfollows:CCCH_CONFBS_CC_CHANSBS_CCCH_SDCCH_COMB0001false0011true0102false1003false1104falseb)BS_AG_BLKS_RESwhichindicatesthenumberofblocksoneachcommoncontrolchannelreservedforaccessgrantmessages:3bits(beforechannelcoding)range0to7.c)BS_PA_MFRMSwhichindicatesthenumberof51-multiframesbetweentransmissionofpagingmessagestomobilesofthesamepaginggroup:3bits(beforechannelcoding)range2to9.d)supportofGPRSTheBCCHshallindicatewhetherornotpacketswitchedtrafficissupported.IfpacketswitchedtrafficissupportedandifthePBCCHexists,thentheBCCHshallbroadcastthepositionofthepacketdatachannel(PDCH),asdefinedinsubclause6.3.2.1,carryingthePBCCH.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)11(GSM05.02version6.9.1Release1997)3.3.2.4PacketBroadcastControlChannel(PBCCH)ThePBCCHbroadcastsparametersusedbytheMStoaccessthenetworkforpackettransmissionoperation.InadditiontothoseparametersthePBCCHreproducestheinformationtransmittedontheBCCHtoallowcircuitswitchedoperation,suchthataMSinGPRSattachedmodemonitorsthePBCCHonly,ifitexists.TheexistenceofthePBCCHinthecellisindicatedontheBCCH.IntheabsenceofPBCCH,theBCCHshallbeusedtobroadcastinformationforpacketoperation.OfthemanyparameterscontainedinthePBCCH,theuseofthefollowingparameters,asdefinedinGSM04.60arereferredtoinsubclauses6.5and6.3.2:a)BS_PBCCH_BLKS(1,.,4)indicatesthenumberofblocksallocatedtothePBCCHinthemultiframe.ThepositionofthePBCCHblocksisbasedontheorderedlistasdefinedinsubclause6.3.2.1.b)BS_PCC_CHANSindicatesthenumberofphysicalchannelscarryingPCCCHsincludingthephysicalchannelcarryingthePBCCHc)BS_PAG_BLKS_RESindicatesthenumberofblocksoneachPDCHcarryingPCCCHpermultiframewhereneitherpacketpagingnorPBCCHshouldappear.ThisnumbercorrespondsthereforetothenumberofblocksreservedforPAGCH,PNCH,PDTCHandPACCH.d)BS_PRACH_BLKSindicatesthenumberofblocksreservedinafixedwaytothePRACHchannelonanyPDCHcarryingPCCCH.ThepositionofthePRACHblocksisbasedontheorderedlistasdefinedinsubclause6.3.2.1.3.3.3Commoncontroltypechannels3.3.3.1Commoncontroltypechannels,knownwhencombinedasacommoncontrolchannel(CCCH)i)Pagingchannel(PCH):Downlinkonly,usedtopagemobiles.ii)Randomaccesschannel(RACH):Uplinkonly,usedtorequestallocationofaSDCCH.iii)Accessgrantchannel(AGCH):Downlinkonly,usedtoallocateaSDCCHordirectlyaTCH.iv)Notificationchannel(NCH):Downlinkonly,usedtonotifymobilestationsofvoicegroupandvoicebroadcastcalls.3.3.3.2PacketCommoncontrolchannels(PCCCH)i)PacketPagingchannel(PPCH):Downlinkonly,usedtopageMS.ii)PacketRandomaccesschannel(PRACH):Uplinkonly,usedtorequestallocationofoneorseveralPDTCHs(foruplinkordownlinkdirection).iii)PacketAccessgrantchannel(PAGCH):Downlinkonly,usedtoallocateoneorseveralPDTCH.iv)PacketNotificationchannel(PNCH):Downlinkonly,usedtonotifyMSofPTM-Mcall.IfaPCCCHisnotallocated,theinformationforpacketswitchedoperationistransmittedontheCCCH.IfaPCCCHisallocated,itmaytransmitinformationforcircuitswitchedoperation.3.3.4Dedicatedcontrolchannels3.3.4.1Circuitswitcheddedicatedcontrolchannelsi)Slow,TCH/Fassociated,controlchannel(SACCH/TF).ii)Fast,TCH/Fassociated,controlchannel(FACCH/F).iii)Slow,TCH/Hassociated,controlchannel(SACCH/TH).SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)12(GSM05.02version6.9.1Release1997)iv)Fast,TCH/Hassociated,controlchannel(FACCH/H).v)Standalonededicatedcontrolchannel(SDCCH/8).vi)Slow,SDCCH/8associated,controlchannel(SACCH/C8)vii)Standalonededicatedcontrolchannel,combinedwithCCCH(SDCCH/4).viii)Slow,SDCCH/4associated,controlchannel(SACCH/C4).ix)Slow,TCH/Fassociated,controlchannelformultislotconfigurations(SACCH/M).Allassociatedcontrolchannelshavethesamedirection(bi-directionalorunidirectional)asthechannelstheyareassociatedto.TheunidirectionalSACCH/MDisdefinedasthedownlinkpartofSACCH/M.3.3.4.2Packetdedicatedcontrolchannelsi)ThePacketAssociatedControlchannel(PACCH):ThePACCHisbi-directional.FordescriptionpurposesPACCH/UisusedfortheuplinkandPACCH/Dforthedownlink.ii)PacketTimingadvancecontrolchanneluplink(PTCCH/U):UsedtotransmitrandomaccessburststoallowestimationofthetimingadvanceforoneMSinpackettransfermode.iii)PacketTimingadvancecontrolchanneldownlink(PTCCH/D):UsedtotransmittimingadvanceupdatesforseveralMS.OnePTCCH/DispairedwithseveralPTCCH/U's.3.3.5CellBroadcastChannel(CBCH)TheCBCH,downlinkonly,isusedtocarrytheshortmessageservicecellbroadcast(SMSCB).TheCBCHusesthesamephysicalchannelastheSDCCH.3.4CombinationofchannelsOnlycertaincombinationsofchannelsareallowedasdefinedinGSM04.03.Subclause6.4liststhecombinationsinrelationtobasicphysicalchannels.4Thephysicalresource4.1GeneralThephysicalresourceavailabletotheradiosub-systemisanallocationofpartoftheradiospectrum.Thisresourceispartitionedbothinfrequencyandtime.Frequencyispartitionedbyradiofrequencychannels(RFCHs)dividedintobandsasdefinedinGSM05.05.TimeispartitionedbytimeslotsandTDMAframesasdefinedinsubclause4.3ofthepresentdocument.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)13(GSM05.02version6.9.1Release1997)4.2Radiofrequencychannels4.2.1CellallocationandmobileallocationGSM05.05definesradiofrequencychannels(RFCHs),andallocatesnumberstoalltheradiofrequencychannelsavailabletothesystem.Eachcellisallocatedasubsetofthesechannels,definedasthecellallocation(CA).OneradiofrequencychannelofthecellallocationshallbeusedtocarrysynchronizationinformationandtheBCCH,thisshallbeknownasBCCHcarrier.Thesubsetofthecellallocation,allocatedtoaparticularmobile,shallbeknownasthemobileallocation(MA).4.2.2DownlinkanduplinkThedownlinkcomprisesradiofrequencychannelsusedinthebasetransceiverstationtoMobileStationdirection.Theuplinkcomprisesradiofrequencychannelsusedinthemobilestationtobasetransceiverstationdirection.4.3TimeslotsandTDMAframes4.3.1GeneralAtimeslotshallhaveadurationof3/5200seconds(≈577µs).EighttimeslotsshallformaTDMAframe(≈4,62msinduration).AtthebasetransceiverstationtheTDMAframesonalloftheradiofrequencychannelsinthedownlinkshallbealigned.Thesameshallapplytotheuplink(seeGSM05.10).AtthebasetransceiverstationthestartofaTDMAframeontheuplinkisdelayedbythefixedperiodof3timeslotsfromthestartoftheTDMAframeonthedownlink(seefigure2).Atthemobilestationthisdelaywillbevariabletoallowadjustmentforsignalpropagationdelay.TheprocessofadjustingthisadvanceisknownasadaptiveframealignmentandisdetailedinGSM05.10.ThestaggeringofTDMAframesusedinthedownlinkanduplinkisinordertoallowthesametimeslotnumbertobeusedinthedownlinkanduplinkwhilstavoidingtherequirementforthemobilestationtotransmitandreceivesimultaneously.Theperiodincludestimeforadaptiveframealignment,transceivertuningandreceive/transmitswitching(seefigure4).4.3.2TimeslotnumberThetimeslotswithinaTDMAframeshallbenumberedfrom0to7andaparticulartimeslotshallbereferredtobyitstimeslotnumber(TN).4.3.3TDMAframenumberTDMAframesshallbenumberedbyaframenumber(FN).Theframenumbershallbecyclicandshallhavearangeof0toFN_MAXwhereFN_MAX=(26x51x2048)-1=2715647asdefinedinGSM05.10.TheframenumbershallbeincrementedattheendofeachTDMAframe.ThecompletecycleofTDMAframenumbersfrom0toFN_MAXisdefinedasahyperframe.Ahyperframeconsistsof2048superframeswhereasuperframeisdefinedas26x51TDMAframes.A26-multiframe,comprising26TDMAframes,isusedtosupporttrafficandassociatedcontrolchannelsanda51-multiframe,comprising51TDMAframes,isusedtosupportbroadcast,commoncontrolandstandalonededicatedcontrol(andtheirassociatedcontrol)channels.Henceasuperframemaybeconsideredas51traffic/associatedcontrolmultiframesor26broadcast/commoncontrolmultiframes.A52-multiframe,comprisingtwo26-multiframes,isusedtosupportpacketdatatrafficandcontrolchannels.TheneedforahyperframeofasubstantiallylongerperiodthanasuperframearisesfromtherequirementsoftheencryptionprocesswhichusesFNasaninputparameter.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)14(GSM05.02version6.9.1Release1997)5Physicalchannels5.1GeneralAphysicalchannelusesacombinationoffrequencyandtimedivisionmultiplexingandisdefinedasasequenceofradiofrequencychannelsandtimeslots.Thecompletedefinitionofaparticularphysicalchannelconsistsofadescriptioninthefrequencydomain,andadescriptioninthetimedomain.Thedescriptioninthefrequencydomainisaddressedinsubclause5.4,thedescriptioninthetimedomainisaddressedinsubclause5.5.5.2Bursts5.2.1GeneralAburstisaperiodofR.Fcarrierwhichismodulatedbyadatastream.Aburstthereforerepresentsthephysicalcontentofatimeslot.5.2.2TypesofburstandbursttimingAtimeslotisdividedinto156,25bitperiods.Aparticularbitperiodwithinatimeslotisreferencedbyabitnumber(BN),withthefirstbitperiodbeingnumbered0,andthelast(1/4)bitperiodbeingnumbered156.Inthesubclausesfollowingthetransmissiontimingofaburstwithinatimeslotisdefinedintermsofbitnumber.Thebitwiththelowestbitnumberistransmittedfirst.Differenttypesofburstexistinthesystem.Onecharacteristicofaburstisitsusefulduration.Thisdocument,inthesubclausesfollowing,definesfourfullburstsof147bitsusefulduration,andoneshortburstof87bitsusefulduration.Theusefulpartofaburstisdefinedasbeginningfromhalfwaythroughbitnumber0.ThedefinitionoftheusefulpartofaburstneedstobeconsideredinconjunctionwiththerequirementsplacedonthephaseandamplitudecharacteristicsofaburstasspecifiedinGSM05.04and05.05.Theperiodbetweenburstsappearinginsuccessivetimeslotsistermedtheguardperiod.Subclause5.2.8detailsconstraintswhichrelatetotheguardperiod.5.2.3Normalburst(NB)BitNumber(BN)LengthoffieldContentsoffieldDefinition0-23tailbits(below)3-6058encryptedbits(e0.e57)05.0361-8626trainingsequencebits(below)87-14458encryptedbits(e58.e115)05.03145-1473tailbits(below)(148-1568,25guardperiod(bits)subclause5.2.8)-wherethe"tailbits"aredefinedasmodulatingbitswithstatesasfollows:(BN0,BN1,BN2)=(0,0,0)and(BN145,BN146,BN147)=(0,0,0)-wherethe"trainingsequencebits"aredefinedasmodulatingbitswithstatesasgiveninthefollowingtableaccordingtothetrainingsequencecode,TSC.Forbroadcastandcommoncontrolchannels,theTSCmustbeequaltotheBCC,asdefinedinGSM03.03andasdescribedinthistechnicalspecificationinsubclause3.3.2.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)15(GSM05.02version6.9.1Release1997)TrainingTrainingsequencebitsSequence(BN61,BN62.BN86)Code(TSC)0(0,0,1,0,0,1,0,1,1,1,0,0,0,0,1,0,0,0,1,0,0,1,0,1,1,1)1(0,0,1,0,1,1,0,1,1,1,0,1,1,1,1,0,0,0,1,0,1,1,0,1,1,1)2(0,1,0,0,0,0,1,1,1,0,1,1,1,0,1,0,0,1,0,0,0,0,1,1,1,0)3(0,1,0,0,0,1,1,1,1,0,1,1,0,1,0,0,0,1,0,0,0,1,1,1,1,0)4(0,0,0,1,1,0,1,0,1,1,1,0,0,1,0,0,0,0,0,1,1,0,1,0,1,1)5(0,1,0,0,1,1,1,0,1,0,1,1,0,0,0,0,0,1,0,0,1,1,1,0,1,0)6(1,0,1,0,0,1,1,1,1,1,0,1,1,0,0,0,1,0,1,0,0,1,1,1,1,1)7(1,1,1,0,1,1,1,1,0,0,0,1,0,0,1,0,1,1,1,0,1,1,1,1,0,0)Undercertaincircumstancesonlyhalftheencryptedbitspresentinanormalburstwillcontaincompleteinformation.FordownlinkDTXoperationonTCH-FSandTCH-HS,whenatrafficframe(asdefinedinGSM06.31)isscheduledfortransmissionandoneofitsadjacenttrafficframesisnotscheduledfortransmission,theotherhalfoftheencryptedbitsinthenormalburstsassociatedwiththescheduledtrafficframeshallcontainpartialSIDinformationfromanyassociatedSIDframe,withtheappropriatestealingflagsBN60orBN87setto0.Inothercasesthebinarystateoftheremainingbitsisnotspecified.5.2.4Frequencycorrectionburst(FB)BitNumberlengthContentsDefinition(BN)offieldoffield0-23tailbits(below)3-144142fixedbits(below)145-1473tailbits(below)(148-1568,25guardperiod(bits)subclause5.2.8)-wherethe"tailbits"aredefinedasmodulatingbitswithstatesasfollows:(BN0,BN1,BN2)=(0,0,0)and(BN145,BN146,BN147)=(0,0,0)-wherethe"fixedbits"aredefinedasmodulatingbitswithstatesasfollows:(BN3,BN4.BN144)=(0,0.0)NOTE:Thisburstisequivalenttounmodulatedcarrierwitha+1625/24kHzfrequencyoffset,abovethenominalcarrierfrequency.5.2.5SynchronizationBurst(SB)BitNumberLengthContentsDefinition(BN)offieldoffield0-23tailbits(below)3-4139encryptedbits(e0.e38)05.0342-10564extendedtrainingsequencebits(below)106-14439encryptedbits(e39.e77)05.03145-1473tailbits(below)(148-1568,25guardperiod(bits)subclause5.2.8)-wherethe"tailbits"aredefinedasmodulatingbitswithstatesasfollows:(BN0,BN1,BN2)=(0,0,0)and(BN145,BN146,BN147)=(0,0,0)SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)16(GSM05.02version6.9.1Release1997)-wherethe"extendedtrainingsequencebits"aredefinedasmodulatingbitswithstatesasfollows:(BN42,BN43.BN105)=(1,0,1,1,1,0,0,1,0,1,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1,1,1,0,0,1,0,1,1,0,1,0,1,0,0,0,1,0,1,0,1,1,1,0,1,1,0,0,0,0,1,1,0,1,1)5.2.6DummyburstBitNumberLengthContentsDefinition(BN)offieldoffield0-23tailbits(below)3-144142mixedbits(below)145-1473tailbits(below)(148-1568,25guardperiod(bits)subclause5.2.8)-wherethe"tailbits"aredefinedasmodulatingbitswithstatesasfollows:(BN0,BN1,BN2)=(0,0,0)and(BN145,BN146,BN147)=(0,0,0)-wherethe"mixedbits"aredefinedasmodulatingbitswithstatesasfollows:(BN3,BN4.BN144)=(1,1,1,1,1,0,1,1,0,1,1,1,0,1,1,0,0,0,0,0,1,0,1,0,0,1,0,0,1,1,1,0,0,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,0,0,0,1,0,1,1,1,0,0,0,1,0,1,1,1,0,0,0,1,0,10,1,1,1,0,1,0,0,1,0,1,0,0,0,1,1,0,0,1,1,0,0,1,1,1,0,0,1,1,1,1,0,1,0,0,1,1,1,1,1,0,0,0,1,0,0,1,0,1,1,1,1,1,0,1,0,1,0)5.2.7Accessburst(AB)BitNumberLengthContentsDefinition(BN)offieldoffield0-78extendedtailbits(below)8-4841synch.sequencebits(below)49-8436encryptedbits(e0.e35)05.0385-873tailbits(below)(88-15668,25extendedguardperiod(bits)subclause5.2.8)-wherethe"extendedtailbits"aredefinedasmodulatingbitswiththefollowingstates:(BN0,BN1,BN2.BN7)=(0,0,1,1,1,0,1,0)-wherethe"tailbits"aredefinedasmodulatingbitswiththefollowingstates:(BN85,BN86,BN87)=(0,0,0)-wherethe"sync.sequencebits"aredefinedasmodulatingbitswiththefollowingstates:(BN8,BN9.BN48)=(0,1,0,0,1,0,1,1,0,1,1,1,1,1,1,1,1,0,0,1,1,0,0,1,1,0,1,0,1,0,1,0,0,0,1,1,1,1,0,0,0)SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)17(GSM05.02version6.9.1Release1997)5.2.8GuardperiodTheguardperiodisprovidedbecauseitisrequiredfortheMSsthattransmissionbeattenuatedfortheperiodbetweenburstswiththenecessaryrampupanddownoccurringduringtheguardperiodsasdefinedinGSM05.05.Abasetransceiverstationisnotrequiredtohaveacapabilitytorampdownandupbetweenadjacentbursts,butisrequiredtohaveacapabilitytorampdownandupfornon-usedtime-slots,asdefinedinGSM05.05.Inanycasewheretheamplitudeoftransmissionisrampedupanddown,thenbyapplyinganappropriatemodulationbitstreaminterferencetootherRFchannelscanbeminimized.5.3PhysicalchannelsandburstsThedescriptionofaphysicalchannelwillbemadeintermsoftimeslotsandTDMAframesandnotintermsofbursts.Thisisbecausethereisnotaonetoonemappingbetweenaparticularphysicalchannel,andtheuseofaparticularburst.5.4RadiofrequencychannelsequenceTheradiofrequencychannelsequenceisdeterminedbyafunctionthat,inagivencell,withagivensetofgeneralparameters,(seesubclause5.6.2),withagiventimeslotnumber(TN),agivenmobileradiofrequencychannelallocation(MA)andagivenmobileallocationindexoffset(MAIO),mapstheTDMAframenumber(FN)toaradiofrequencychannel.Inagivencellthereistherefore,foraphysicalchannelassignedtoaparticularmobile,auniquecorrespondencebetweenradiofrequencychannelandTDMAframenumber.Thedetailedhoppinggenerationalgorithmisgiveninsubclause6.2.5.5TimeslotandTDMAframesequenceAgivenphysicalchannelshallalwaysusethesametimeslotnumberineveryTDMAframe.Thereforeatimeslotsequenceisdefinedby:i)atimeslotnumber(TN);andii)aTDMAframenumbersequence.ThedetaileddefinitionsofTDMAframenumbersequencesaregiveninclause7.ThephysicalchannelswheretheTDMAframenumbersequenceis0,1.FN_MAX(whereFN_MAXisdefinedinsubclause4.3.3)arecalled"basicphysicalchannels".5.6Parametersforchanneldefinitionandassignment5.6.1GeneralThissubclausedescribesthesetofparametersnecessarytodescribefullythemappingofanylogicalchannelontoaphysicalchannel.Theseparametersmaybedividedintogeneralparameters,thatarecharacteristicofaparticularbasetransceiverstation,andspecificparameters,thatarecharacteristicofagivenphysicalchannel.5.6.2GeneralparametersTheseare:i)thesetofradiofrequencychannelsusedinthecell(CA),togetherwiththeidentificationoftheBCCHcarrier.ii)theTDMAframenumber(FN),whichcanbederivedfromthereducedTDMAframenumber(RFN)whichisintheformT1,T2,T3',see3.3.2.SIST EN 300 908 V6.9.1:2003
ETSIETSIEN300908V6.9.1(2000-10)18(GSM05.02version6.9.1Release1997)Theseparametersarebroadcast(orderivedfromparametersbroadcast)intheBCCHandSCH.5.6.3SpecificparametersTheseparametersdefineaparticularphysicalchannelinabasetransceiverstation.Theyare:o)thetrainingsequenceCode(TSC);i)thetimeslotnumber(TN);ii)themobileradiofrequencychannelallocation(MA);iii)themobileallocationindexoffset(MAIO);iv)thehoppingsequencenumber(HSN);v)thetypeoflogicalchannel;vi)thesub-channelnumber(SCN).Thelasttwoparametersallowthedeterminationoftheframesequence.6Mappingoflogicalchannelsontophysicalchannels6.1GeneralThedetailedmappingoflogicalchannelsontophysicalchannelsisdefinedinthefollowingsections.Subclause6.2definesthemappingfromTDMAframenumber(FN)toradiofrequencychannel(RFCH).Subclause6.3definesthemappingofthephysicalchannelontoTDMAframenumber.Subclause6.4liststhepermittedchannelcombinationsandsubclause6.5definestheoperationofchannelsandchannelcombinations.6.2Mappinginfrequencyoflogicalchannelsontophysicalchannels6.2.1GeneralTheparametersusedinthefunctionwhichmapsTDMAframenumberontoradiofrequencychannelaredefinedinsubclause6.2.2.Thedefinitionoftheactualmappingfunction,orasitistermed,hoppingsequencegenerationisgiveninsubclause6.2.3.6.2.2
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