SIST EN 300 908 V7.4.1:2003
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); Multiplexing and multiple access on the radio path (GSM 05.02 version 7.4.1 Release 1998)
- Abstract
CR SMG#31
- 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
SIST EN 300 908 V7.4.1:2003 is the Slovenian identical adoption of EN 300 908 Version 7.4.1 from ETSI. It specifies how the GSM radio subsystem uses the radio path for multiplexing and multiple access: logical channels, physical resources, bursts, frequency hopping, TDMA timing, and the mapping of channels on the air interface. Network and equipment engineers use it to design, configure, and test GSM Phase 2+ radio operation.
What does SIST EN 300 908 V7.4.1:2003 specify?
SIST EN 300 908 V7.4.1:2003 defines the physical channels of the GSM radio subsystem that support the logical channels. It covers both circuit-switched and packet-switched operation, and it also includes CTS-related radio channels.
The document is organized around:
- logical channels
- the physical resource
- physical channels and bursts
- mapping of logical channels onto physical channels
- permitted channel combinations
- operation of channels and channel combinations
- mapping tables in clause 7
| Annex | What it covers |
|---|---|
| Annex A | Phase 2 mobiles in a Phase 1 infrastructure |
| Annex B | Multislot capability |
| Annex C | CTSBCH timeslot shifting example |
| Annex D | Change control history |
What are the key requirements of SIST EN 300 908 V7.4.1:2003?
The standard defines how GSM radio channels are built from frequency and time resources, and how each logical channel is carried on the air interface. In practice, this is the basis for BTS configuration, MS behavior, paging, access, and hopping.
- Clause 3 classifies logical channels into traffic channels, control channels, and special CTS control channels. This matters because the network must map each service to the right channel type.
- Clause 4 splits the physical resource into radio frequency channels and time, using timeslots and TDMA frames. This is the timing and spectrum structure that equipment must follow.
- Clause 5 defines the burst types - normal burst, frequency correction burst, synchronization burst, dummy burst, and access burst - and gives their timing structure. In practice, this tells implementers what is transmitted in each timeslot.
- Clause 5 also defines the guard period and the use of training sequences. This affects transmitter timing and receiver synchronization.
- Clause 6.2 defines frequency hopping, including the parameters CA, MA, MAIO and HSN, and the hopping sequence generation rules. This is needed when a cell or channel uses hopping across several RF channels.
- Clause 6.3 defines how logical channels are mapped in time onto TDMA multiframe structures, including circuit-switched, packet-switched, and CTS control channels. This is what turns channel definitions into actual frame-by-frame usage.
- Clause 6.4 lists permitted channel combinations and multislot configurations. This matters when one MS uses several timeslots, for example for HSCSD or packet services.
- Clause 6.5 defines channel operation such as CCCH_GROUP, PAGING_GROUP, PCCCH_GROUP, and CTS paging behavior. This is used to decide which mobile listens to which paging blocks and when.
What terms does SIST EN 300 908 V7.4.1:2003 define?
- Traffic channels (TCH) - Channels intended to carry encoded speech or user data in circuit-switched mode.
- Packet data traffic channel (PDTCH) - A channel that carries packet-mode user data for a single MS on one physical channel.
- Broadcast control channel (BCCH) - A downlink broadcast channel that carries general cell information and selected parameters used for operation.
- Packet Broadcast Control Channel (PBCCH) - A channel that carries packet-access parameters and repeats BCCH information so a GPRS-attached MS can monitor it.
- Packet Common Control Channel (PCCCH) - The packet paging and access channel set made up of PPCH, PRACH, PAGCH and PNCH.
- Training sequence code (TSC) - The code used to define the training sequence bits in a burst.
- Base transceiver station identity code (BSIC) - The identity code carried in SCH for cell and base transceiver station identification.
- TDMA frame number (FN) - The cyclic frame count used in timing, hopping, and scheduling.
Who uses SIST EN 300 908 V7.4.1:2003?
GSM radio engineers use this standard when planning RF channels, configuring hopping, and assigning timeslots. Base station and mobile station implementers use it to make sure bursts, frame timing, paging, and access behavior match the GSM air interface rules.
It is also used by test and verification teams checking logical-channel mapping, multislot behavior, and packet channel scheduling. Operators and network planners use it when configuring CCCH, PBCCH, PCCCH, and paging groups in GSM and GPRS deployments.
What changed in SIST EN 300 908 V7.4.1:2003 from the previous edition?
The version history records that Version 7.4.1 was published after Version 7.4.0. Annex D shows the change-control trail behind the release, including updates for GPRS system information, multislot classes, PACCH mapping, PBCCH scheduling, CTS frequency hopping, CTS channel behavior, SoLSA, AMR and EFR traffic channels, PRACH handling, non-DRX behavior, and the 8-PSK normal burst reference for later compatibility.
Which standards are used with SIST EN 300 908 V7.4.1:2003?
The standard refers to a GSM family of companion documents, especially:
- GSM01.04 - abbreviations and acronyms used throughout the document
- GSM03.03 - numbering, addressing, and identification
- GSM04.03 - MS-BSS interface channel structures and access capabilities
- GSM04.06 - data link layer specification
- GSM04.08 - mobile radio interface layer 3 specification, including many broadcast and access parameters
- GSM05.03 - channel coding
- GSM05.04 - modulation
- GSM05.05 - radio transmission and reception
- GSM05.08 - radio subsystem link control
- GSM05.10 - radio subsystem synchronization
- GSM03.64 and GSM04.60 - GPRS radio interface and MAC/RLC behavior
- GSM03.52, GSM04.56, and GSM05.56 - CTS lower layers, layer 3, and CTS-FP subsystem behavior
What does the SIST EN 300 908 document contain?
The document contains detailed mapping tables for circuit-switched, packet-switched, and CTS channels in clause 7, plus figures that show the resource structure, burst format, hopping logic, and example frame mappings. It also includes the frequency hopping algorithm, the paging-group formulas, and the rules for block scheduling on BCCH, PBCCH, and CTS channels.
Annex A gives implementation options for Phase 2 mobiles in a Phase 1 infrastructure. Annex B lists multislot classes and the timing constraints that limit how many transmit and receive timeslots an MS can use in one TDMA frame. Annex C gives a worked CTSBCH timeslot-shifting example, which is useful when implementing or checking CTS timing behavior.
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Frequently Asked Questions
SIST EN 300 908 V7.4.1:2003 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 7.4.1 Release 1998)". This standard covers: CR SMG#31
CR SMG#31
SIST EN 300 908 V7.4.1:2003 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 V7.4.1:2003 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 7.4.1 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 908 Version 7.4.1SIST EN 300 908 V7.4.1:2003en01-december-2003SIST EN 300 908 V7.4.1:2003SLOVENSKI
STANDARD
ETSIEN300908V7.4.1(2000-09)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);Multiplexingandmultipleaccessontheradiopath(GSM05.02version7.4.1Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)2(GSM05.02version7.4.1Release1998)ReferenceREN/SMG-020502Q7R1KeywordsDigitalcellulartelecommunicationssystem,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 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)3(GSM05.02version7.4.1Release1998)ContentsIntellectualPropertyRights.6Foreword.61Scope.71.1References.71.2Abbreviations.82General.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.123.3.4.1Circuitswitcheddedicatedcontrolchannels.123.3.4.2Packetdedicatedcontrolchannels.123.3.5CellBroadcastChannel(CBCH).123.3.6CTScontrolchannels.123.3.6.1CTSbeaconchannel(BCH).123.3.6.2CTSpagingchannel(CTSPCH).133.3.6.3CTSaccessrequestchannel(CTSARCH).133.3.6.4CTSaccessgrantchannel(CTSAGCH).133.4Combinationofchannels.134Thephysicalresource.134.1General.134.2Radiofrequencychannels.134.2.1Cellallocationandmobileallocation.134.2.2Downlinkanduplink.144.3TimeslotsandTDMAframes.144.3.1General.144.3.2Timeslotnumber.144.3.3TDMAframenumber.145Physicalchannels.145.1General.145.2Bursts.155.2.1General.155.2.2Typesofburstandbursttiming.155.2.3Normalburst(NB).155.2.4Frequencycorrectionburst(FB).175.2.5SynchronizationBurst(SB).185.2.6Dummyburst.185.2.7Accessburst(AB).185.2.8Guardperiod.19SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)4(GSM05.02version7.4.1Release1998)5.3Physicalchannelsandbursts.195.4Radiofrequencychannelsequence.195.5TimeslotandTDMAframesequence.195.6Parametersforchanneldefinitionandassignment.205.6.1General.205.6.2Generalparameters.205.6.3Specificparameters.206Mappingoflogicalchannelsontophysicalchannels.206.1General.206.2Mappinginfrequencyoflogicalchannelsontophysicalchannels.216.2.1General.216.2.2Parameters.216.2.3Hoppingsequencegeneration.226.2.4Specificcases.236.2.5Changeinthefrequencyallocationofabasetransceiverstation.236.2.6FrequencyassignmentinCTS.236.3Mappingintimeoflogicalchannelsontophysicalchannels.236.3.1Mappingintimeofcircuitswitchedlogicalchannelsontophysicalchannels.236.3.1.1General.236.3.1.2Keytothemappingtableofclause7.246.3.1.3MappingofBCCHdata.246.3.1.4MappingofSIDFrames.256.3.2Mappingintimeofpacketlogicalchannelsontophysicalchannels.256.3.2.1General.256.3.2.2Mappingoftheuplinkchannels.266.3.2.2.1Mappingofuplinkpackettrafficchannel(PDTCH/U)andPACCH/U.266.3.2.2.2MappingofthePacketTimingAdvanceControlChannel(PTCCH/U).266.3.2.2.3MappingoftheuplinkPCCCHi.e.PRACH.266.3.2.3Mappingofthedownlinkchannels.266.3.2.3.1Mappingofthe(PDTCH/D)andPACCH/D.266.3.2.3.2MappingofthePTCCH/D.266.3.2.3.3MappingofthePBCCH.276.3.2.3.4MappingofthePCCCH.276.3.2.4MappingofPBCCHdata.276.3.3MappingintimeofCTScontrolchannelsontophysicalchannels.286.3.3.1CTSBCHtimeslotassignment.286.3.3.2CTSPCH,CTSARCHandCTSAGCHtimeslotassignment.306.4Permittedchannelcombinations.316.4.1Permittedchannelcombinationsontoabasicphysicalchannel.316.4.2Multislotconfigurations.316.4.2.1Multislotconfigurationsforcircuitswitchedconnections.326.4.2.2Multislotconfigurationsforpacketswitchedconnections.326.5Operationofchannelsandchannelcombinations.326.5.1General.326.5.2DeterminationofCCCH_GROUPandPAGING_GROUPforMSinidlemode.346.5.3Determinationofspecificpagingmultiframeandpagingblockindex.346.5.4ShortMessageServiceCellBroadcast(SMSCB).346.5.5Voicegroupandvoicebroadcastcallnotifications.356.5.6DeterminationofPCCCH_GROUPandPAGING_GROUPforMSinGPRSattachedmode.356.5.7DeterminationofCTS_PAGING_GROUPandspecificpaging52-multiframeforMSinCTSmode.36AnnexA(normative):Phase2mobilesinaPhase1infrastructure.54A.1Scope.54A.2ImplementationoptionsforTCHchannels.54A.2.1C0fillingontheTCH.54A.2.1.1Adummyburstwith(BN61,BN62,BN86)=trainingsequencebitsofnormalbursts.54A.2.1.2Adummyburstwiththe"C0fillingtrainingsequence.54A.2.1.3Adummyburstwith(BN61,BN62,BN86)mappedfromtheTSCbitsofnormalburstsaccordingtothetable;below.54A.2.1.4PartialSIDinformation.54SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)5(GSM05.02version7.4.1Release1998)A.2.2Halfburstfilling.55A.2.2.1PartialSIDinformationfromanyassociatedSIDframe;or.55A.2.2.2Themixedbitsofthedummybursts(encryptedornotencrypted).55A.2.3DummyburstStealingflag.55A.2.4HalfburstFillingStealingflag.55A.2.5Allowedcombinations.55A.3IdleChannels.55AnnexB(normative):Multislotcapability.56B.1MSclassesformultislotcapability.56B.2Constraintsimposedbytheserviceselected.58B.3NetworkrequirementsforsupportingMSmultislotclasses.58AnnexC(Informative):CTSBCHTimeslotshiftingexample.61AnnexD(informative):Changecontrolhistory.62History.63SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)6(GSM05.02version7.4.1Release1998)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:Version7.x.ywhere:7indicatesrelease1998ofGSMPhase2+.xtheseconddigitisincrementedforchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:25August2000DateoflatestannouncementofthisEN(doa):30November2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31May2001DateofwithdrawalofanyconflictingNationalStandard(dow):31May2001SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)7(GSM05.02version7.4.1Release1998)1ScopeThepresentdocumentdefinesthephysicalchannelsoftheradiosub-systemrequiredtosupportthelogicalchannels.Itincludesadescriptionofthelogicalchannelsandthedefinitionoffrequencyhopping,TDMAframes,timeslotsandbursts.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:"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".[13]GSM03.52:"Digitalcellulartelecommunicationssystem(Phase2+);GSMCordlessTelephonySystem(CTS),Phase1;LowerlayersoftheCTSRadioInterface;Stage2".SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)8(GSM05.02version7.4.1Release1998)[14]GSM04.56:"Digitalcellulartelecommunicationssystem(Phase2+);GSMCordlessTelephonySystem(CTS),Phase1;CTSradiointerfacelayer3specification".[15]GSM05.56:"Digitalcellulartelecommunicationssystem(Phase2+);GSMCordlessTelephonySystem(CTS),Phase1;CTS-FPradiosubsystem".1.2AbbreviationsAbbreviationsusedinthepresentdocumentarelistedinGSM01.04[1].2GeneralTheradiosubsystemisrequiredtosupportacertainnumberoflogicalchannelsthatcanbeseparatedintotwocategoriesasdefinedinGSM04.03:i)thetrafficchannels(TCH's);ii)thecontrolchannels.Moreinformationisgivenabouttheselogicalchannelsinclause3whichalsodefinesanumberofspecialchannelsusedbytheradiosub-system.Clause4ofthepresentdocumentdescribesthephysicalresourceavailabletotheradiosub-system,clause5definesphysicalchannelsbasedonthatresourceandclause6specifieshowthelogicalchannelsshallbemappedontophysicalchannels.Figure1depictsthisprocess.3Logicalchannels3.1GeneralThissubclausedescribesthelogicalchannelsthataresupportedbytheradiosubsystem.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.ForthepurposeofthisEN,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 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)9(GSM05.02version7.4.1Release1998)3.2.2SpeechtrafficchannelsThefollowingtrafficchannelsaredefinedtocarryencodedspeech:i)Fullratetrafficchannelforspeech(TCH/FS);ii)Halfratetrafficchannelforspeech(TCH/HS);iii)Enhancedfullratetrafficchannelforspeech(TCH/EFS);iv)Adaptivefullratetrafficchannelforspeech(TCH/AFS);v)Adaptivehalfratetrafficchannelforspeech(TCH/AHS).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.Fourcategoriesofcontrolchannelaredefined:broadcast,common,dedicatedandCTScontrolchannels.Specificchannelswithinthesecategoriesaredefinedinthesubclausesfollowing.3.3.2Broadcastchannels3.3.2.1Frequencycorrectionchannel(FCCH)Thefrequencycorrectionchannelcarriesinformationforfrequencycorrectionofthemobilestation.Itisrequiredonlyfortheoperationoftheradiosub-system.SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)10(GSM05.02version7.4.1Release1998)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)supportofGPRS:TheBCCHshallindicatewhetherornotpacketswitchedtrafficissupported.IfpacketswitchedtrafficissupportedandifthePBCCHexists,thentheBCCHshallbroadcastthepositionofthepacketdatachannel(PDCH),asdefinedinsubclause6.3.2.1,carryingthePBCCH.SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)11(GSM05.02version7.4.1Release1998)3.3.2.4PacketBroadcastControlChannel(PBCCH)ThePBCCHbroadcastsparametersusedbytheMStoaccessthenetworkforpackettransmissionoperation.InadditiontothoseparametersthePBCCHreproducestheinformationtransmittedontheBCCHtoallowcircuitswitchedoperation,suchthataMSinGPRSattachedmodemonitorsthePBCCHonly,ifitexists.TheexistenceofthePBCCHinthecellisindicatedontheBCCH.IntheabsenceofPBCCH,theBCCHshallbeusedtobroadcastinformationforpacketoperation.OfthemanyparameterscontainedinthePBCCH,theuseofthefollowingparameters,asdefinedinGSM04.60arereferredtoinsubclause6.5and6.3.2:a)BS_PBCCH_BLKS(1,.,4)indicatesthenumberofblocksallocatedtothePBCCHinthemultiframe.ThepositionofthePBCCHblocksisbasedontheorderedlistasdefinedinsubclause6.3.2.1.b)BS_PCC_CHANSindicatesthenumberofphysicalchannelscarryingPCCCHsincludingthephysicalchannelcarryingthePBCCH.c)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.SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)12(GSM05.02version7.4.1Release1998)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).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).x)slow,TCH/Fassociated,controlchannelforCTS(SACCH/CTS).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.3.3.6CTScontrolchannelsFourtypesofCTScontrolchannelsaredefined.3.3.6.1CTSbeaconchannel(BCH)TheBCHisusedtoprovidefrequencyandsynchronizationinformationinthedownlink.ItismadeupofapairofCTSBCH-SB(Synchronizationburst)andCTSBCH-FB(Frequencycorrectionburst).TheCTSBCH-FBcarriesinformationforfrequencycorrectionofthemobilestation.Itisrequiredonlyfortheoperationoftheradiosub-system.SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)13(GSM05.02version7.4.1Release1998)TheCTSBCH-SBcarriessignallinginformationandidentificationofaCTS-FP.SpecificallytheCTSBCH-SBshallcontainfiveencodedparameters:a)StatusoftheCTS-FPradioresources:1bit(beforechannelcoding).b)FlagindicatingthepresenceofCTSPCHinthenext52-multiframe:1bit(beforechannelcoding)c)FlagindicatingwhethertheCTS-FPiscurrentlyperformingtimeslotshiftingonCTSBCH:1bit(beforechannelcoding).d)CTScontrolchannels(exceptCTSBCH)timeslotnumberforthenext52-multiframe(TNC):3bits(beforechannelcoding).e)CTS-FPbeaconidentity(FPBI):19bits(beforechannelcoding),asdefinedinGSM03.03.GSM04.56specifiestheprecisebitorderingandGSM05.03thechannelcodingoftheaboveparameters.3.3.6.2CTSpagingchannel(CTSPCH)Downlinkonly,usedtobroadcastinformationforpaging.3.3.6.3CTSaccessrequestchannel(CTSARCH)Uplinkonly,usedtorequestallocationofadedicatedRRconnection.3.3.6.4CTSaccessgrantchannel(CTSAGCH)Downlinkonly,usedtograntadedicatedRRconnection.3.4CombinationofchannelsOnlycertaincombinationsofchannelsareallowedasdefinedinGSM04.03.Subclause6.4liststhecombinationsinrelationtobasicphysicalchannels.4Thephysicalresource4.1GeneralThephysicalresourceavailabletotheradiosub-systemisanallocationofpartoftheradiospectrum.Thisresourceispartitionedbothinfrequencyandtime.Frequencyispartitionedbyradiofrequencychannels(RFCHs)dividedintobandsasdefinedinGSM05.05.TimeispartitionedbytimeslotsandTDMAframesasdefinedinsubclause4.3ofthepresentdocument.4.2Radiofrequencychannels4.2.1CellallocationandmobileallocationGSM05.05definesradiofrequencychannels(RFCHs),andallocatesnumberstoalltheradiofrequencychannelsavailabletothesystem.Eachcellisallocatedasubsetofthesechannels,definedasthecellallocation(CA).OneradiofrequencychannelofthecellallocationshallbeusedtocarrysynchronizationinformationandtheBCCH,thisshallbeknownasBCCHcarrier.Thesubsetofthecellallocation,allocatedtoaparticularmobile,shallbeknownasthemobileallocation(MA).SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)14(GSM05.02version7.4.1Release1998)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.5Physicalchannels5.1GeneralAphysicalchannelusesacombinationoffrequencyandtimedivisionmultiplexingandisdefinedasasequenceofradiofrequencychannelsandtimeslots.Thecompletedefinitionofaparticularphysicalchannelconsistsofadescriptioninthefrequencydomain,andadescriptioninthetimedomain.SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)15(GSM05.02version7.4.1Release1998)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.Thepresentdocument,inthesubclausesfollowing,definesfourfullburstsof147bitsusefulduration,andoneshortburstof87bitsusefulduration.Theusefulpartofaburstisdefinedasbeginningfromhalfwaythroughbitnumber0.ThedefinitionoftheusefulpartofaburstneedstobeconsideredinconjunctionwiththerequirementsplacedonthephaseandamplitudecharacteristicsofaburstasspecifiedinGSM05.04and05.05.Theperiodbetweenburstsappearinginsuccessivetimeslotsistermedtheguardperiod.Subclause5.2.8detailsconstraintswhichrelatetotheguardperiod.5.2.3Normalburst(NB)NormalburstforGMSKBitNumber(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.InnetworkssupportingE-OTDLocationservices(seeGSM03.71AnnexC),theTSCshallbeequaltotheBCCforallnormalburstsonBCCHfrequencies.-ForCTScontrolchannels,theTSCshallbedefinedbythe3LSBs(BN3,BN2,BN1)oftheFPBI(specifiedinGSM03.03).SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)16(GSM05.02version7.4.1Release1998)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.Normalburstfor8PSKNormalburstfor8-PSKisspecifiedhereforreferencepurposesonly.8-PSKmodulatedburstsarenotusedinnetworkssupportingRelease98.TheburstisanywayspecifiedheretomakesurethatRelease98mobilessupportingE-OTDLCSwillbeabletodomeasurementson8-PSKmodulatedbursts.BitNumber(BN)Lengthoffield(bits)ContentsoffieldDefinition0–89tailbits(below)9–182174encryptedbits(e0.e173)Undefined183–26078trainingsequencebits(below)261–434174encryptedbits(e174.e347)Undefined435–4439tailbits(below)444-46824.75guardperiodSubclause5.2.8-wherethe"tailbits"aredefinedasmodulatingbitswithstatesasfollows(bitsaregroupedinsymbolsseparatedby;):(BN0,BN1.BN8)=(1,1,1;1,1,1;1,1,1)and(BN435,BN436.BN443)=(1,1,1;1,1,1;1,1,1)-wherethe"trainingsequencebits"aredefinedasmodulatingbitswithstatesasgiveninthefollowingtableaccordingtothetrainingsequencecode,TSC.Forbroadcastandcommoncontrolchannels,theTSCmustbeequaltotheBCC,asdefinedinGSM03.03andasdescribedinthistechnicalspecificationinsubclause3.3.2.InnetworkssupportingE-OTDLocationservices(seeGSM03.71AnnexC),theTSCshallbeequaltotheBCCforallnormalburstsonBCCHfrequencies.SIST EN 300 908 V7.4.1:2003
ETSIETSIEN300908V7.4.1(2000-09)17(GSM05.02version7.4.1Release1998)TrainingTrainingsequencesymbolsSequence(BN183,BN184.BN260)Code(TSC)0(1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1)1(1,1,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1)2(1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1)3(1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;0,0,1;1,1,1)4(1,1,1;1,1,1;1,1,1;0,0,1;0,0,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;1,1,1;1,1,1;1,1,1;0,0,1;0,0,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1)5(1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;1,1,1;0,0,1;0,0,1;1,1,1;1,1,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;1,1,1)6(0,0,1;1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;0,0,1;1,1,1;1,1,1;0,0,1;0,0,1;0,0,1;0,0,1;0,0,1)7(0,0,1;0,0,1;0,0,1;1,1,1;0,0,1;0,0,1;0,0,1;0,0,1;1,1,1;1,1,1;1,1,1;0,0,1;1,1,1;1,1,1;0
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