培训文档IDLE STATE

MOBILESTATIONIDLESTATE,ByYiChunChou6-3-03,AGENDA,AddressingPagingChannelSupervisionIS-95IS-2000IdleHandoffProcedureRedirectionProcedurePagingChannelStatisticsIS-2000-A,Addressing,MobileStationIdentification,InternationalMobileStationIdentification(IMSI)Canbeupto15digitsFirst3digits=MobileCountryCode(MCC)Following2digits=MobileNetworkCode(MNC)TheMNC+MSIN=NMSI(NationalMobileStationIdentity)Last10digits=MobileStationIdentifiernumber(MSIN),TypesofIMSI,IMSIhas2classesClass0fixedlength-15digitsinlengthClass1variablelengthlessthan15digitsIMSI_MAnIMSIthatcontainsaMINinthelowertendigitsoftheNMSICanbeaclass1oraclass0IMSIIfIMSI_Misnotprogrammed,theMSshallsetthe4leastsignificantdigitsoftheIMSI_MtothevalueoftheESN,andtheotherdigitsto0.IMSI_TAnIMSIthatisnotassociatedwiththeMINassignedtotheMS.Canbeaclass1oraclass0IMSIIfIMSI_Tisnotprogrammed,theMSshallsetthe4leastsignificantdigitsoftheIMSI_TtothevalueoftheESN,andtheotherdigitsto0.IMSI_O-OperatingIMSIWheninCDMAmode,MSshallsettoeitherIMSI_MorIMSI_TdependingonBScapabilities.IMST_S(subclass)a10-digit(34bit)numberderivedfromtheIMSI.WhenIMSIhastenormoredigits,IMSI_S=last10digits.WhenIMSIhaslessthan10digits,theleastsignificantdigitsareequaltotheIMSI,and0sareaddedsoit=10digits.,IMSI_S,IMSI_Sdigits,MDN,AdialablenumberassociatedwithMSthroughservicesubscriptionUpto15digitsExample:DialtoamobilenumberinTaiwan:011886955657252WithinTaiwan:MaynotbethesameasMSINontheairinterfaceMSshouldhavememorytostoreatleastoneMDN,PagingChannelSupervision,TransitionStateDiagram,MSIdleState,MobileMonitorsPagingChannelorQuickPagingChannelToreceivemessagesReceiveincomingcall(Termination)Initiateacall(origination)InitiateaRegistrationCancelaPACAcallAPACA(PriorityAssistedChannelAssignment)OrInitiateamessagetransmission,IS-95,PagingChannel,Dividedinto80msslotsSupportsdatarateof9600bpsor4800bps8overheadmessages/5arerequiredOverheadmessagesaregeneralmessagesContainnomobilespecificinformationPagingchanneloverheadmessageshavecommonfields:Config_Msg_Seqexcept.ACCParameterMessagehasACC_MSG_SEQMSneedstoreceivealloverheadmessagesin1.28sec.,Overheadmessages,SystemParametersMessage*PN,SID,NID,MaxSCI,TypesofRegistrationsupported,GlobalRedirectionsupportedAccessParametersMessage*#ofACH,InitialTxPower,PowerIncrements,PSIST(PersistenceValueforAccessOverloadClassesthistellsifaMSinaACCOLCisallowedtotransmitonACH,#ofACCProbe,Authenticationincluded,RAND.CDMAChannelListMessage*CDMA_FreqallCHthathasaPCHsupportedbytheBSNeighborListMessage*NGHBR_CONFIGthefrequencyconfigurationofneighboringBS,NGHBR_PNExtendedSystemParametersMessage*P_Rev,MIN_P_Rev,QPCH_Supported,Access_HOExtendedNeighborListMessageGlobalServiceRedirectionMessageRedirect_ACCOLCTellsMSinwhichclassneedtoredirect,Excl_P_Rev_MSifthismessagedoesnotapplytoMSwithP_Rev=6,thenitwillbesetto1.GeneralNeighborListMessage,Non-SlottedMode,MSshouldmonitorpagingchannelatalltimesMScanreceivepagingandcontrolmessagesinanyofthepagingchannelslotsMSwilloperateinthismodewhenmonitoringpagingchannelinanystateotherthanidlestate.WhenSLOTTEDs=NO,MSshalloperateinnon-slottedmode.IfPACAs=enabled,(PhoneisinaPACAcall)-MSshalloperateinnon-slottedmode.,SlottedMode,MSmonitorspagingsignalsonlyinthedesignatedpagingslot.ThepagingslotisdeterminedbythehashingfunctionbetweenBTSandMS.(HashingfunctionispleaseseePeggysslideonpowercontrol)Duringtheslotsnotallocatedtoitself,MSisinsleepmode.MScandesignatepreferredSLOT_CYCLE_INDEX(SCI),whichrangesfrom0to7.ThisfieldisintheRegistrationMessage,OriginationMessage,andPageResponseMessage.ThisisalsointheTerminalInformationrecordoftheStatusResponseMessageortheExtendedStatusResponseMessage,ortheStatusMessageinTrafficstate.,Formulas,Thenumberofslotsinoneslotcycle=16*2ii=slotcycleindexSlotCycleLength=T=2iT=1.28sec.Pagingchannelslotnumber=SLOT_NUM=t/4mod20482048isthemaximumlengthslotcycle“t”=systemtimeSo.IftheSCI=0,therewillbe16slotsinoneslotcycle.IfSCI=0,MSwillwakeuponceinevery1.28sec(80ms*16)IfSCI=1or2,itwillwakeuponceevery2.56sec(80ms*32),or5.12sec(80ms*64)respectively.,SlottedModeExample,PhoneisinSCI0,soitwakesupevery1.28seconds.SoifSlot=6,thenthenexttimethatMSwakesupwillbe16slotslater.,OverheadMessageProcedure,WhenevertheMSreceivesanoverheadmessage,itwillcomparetheCONFIG_MSG_SEQinthemessagereceivedtotheCONFIG_MSG_SEQthatisstoredintheMSsmemory.IfthetwoCONFIG_MSG_SEQmatch,thentheMSwouldignorethemessage.Ifthereisamismatch,thentheMSwouldupdateitsstoredparameterstotheonesinthereceivedmessages.,AddressMatching,WhentheMSreceivesaGeneralPage.ItwillcomparethereceivedIMSItotheitsownIMSI.Ifthecomparisonisamismatch,thenitwillgobacktomonitoringpagingchannelviaslottedmodeornon-slottedmode.Ifthecomparisonisamatch,thenitwillgointoUpdateOverheadInformationSubstateoftheSystemAccessState.Inthisstate,itwillgointonon-slottedmode(ifitwasinslottedmodepreviously)andreceiveanoverheadmessage,comparetheCONFIG_MSG_SEQtomakesureitsamatchorneedsupdateinfo.ItwillalsocomparetheACC_MSG_SEQ,IS-2000,NewMessages,NewOverheadMessagesonthePagingChannel:ExtendedCDMAChannelListMessageProvidesawaytodifferentiateChannelsforIS-2000andIS-95MS.ExtendedGlobalServiceRedirectionMessagePrivateNeighborListMessageUserZoneIdentificationMessageGeneralNeighborListMessageIncludesFrequencyInIS-2000,MSshouldbeabletodointer-frequencyidleHO,PurposeofQPCH,TosaveMOREbatterylifethanSlottedmodeprovidesThisisdonebymonitoringjust1bitinsteadofthewhole80msslotasinslottedmode,QPCH,Supportsdatarateof4800bpsor9600bpsComposedof80msslotsAnoptionalchannel,whichoperatesonlywhenQPCH_SUPPORTED=1intheExtendedSystemParameterMessage.MSsassignedQPCHslotsareoffsetfromitsassignedpagingchannelslotsby100ms.2PagingchannelindicatorsareassignedtoaMSinitsQPCHslot.MScanmonitorQPCHchannelanddetermineifitsbeingpagedbyjustlookingat1bitindicatorinsteadof80msslot.IfitsbeingpagedthenitmonitorstheappropriatepagingchannelslotanddecodestheGeneralPagetofindthepagerecord.QPCHcanalsocarrya1-bitconfigurationchangeindicator.Whenthisindicator=1,tellsMSsomesystemconfigurationparametershavechanged.ThenMSmonitorstheregularpagingchannelformaximumT1b=1.28sectoreceiveoverheadmessagesandupdatesystemsparameters.IfConfigurationChangeIndicatorisnotavailable,thenMShastodecodeoneoftheoverheadmessagestoobtaintheCONFIG_MSG_SEQtodetermineifthesystemconfigurationparametershavechanged.,QPCHFORMAT,IdleHandoffProcedures,Pilots,IdleHandoffoccurswhentheMSdetectsapilotchannelthatissufficientlystrongerthanthecurrent.(Nonslottedmode-1sec,3dB.Ifactivepilotisbelow19,thenthetimewouldbereplacedby260ms)Pilotsgroupedinto4sets,eachpilotcanonlybeinonesetatatime.Activeset:ThePNoffsetthatiscurrentlybeingmonitoredNeighborset:ThePNoffsetsthatarecandidatesforidlehandoff.SpecifiedinNeighborListMessage,ExtendedNeighborListMessage,andGeneralNeighborListMessageRemainingset:ThesetofallpossiblePNoffsetsinthecurrentsystemonthecurrentCDMAFA,excludingActiveandNeighborsetsPrivateNeighborset:PNforprivatesystemsthatarelikelycandidatesforidlehandoff.SpecifiedinPrivateNeighborListMessage.InIdleState,MSshallcontinuouslysearchforthestrongestPNMSmaysearchforotherfrequenciesandbandclasses.,Handoff,Whenperformingidlehandoff,MSshouldbeinnon-slottedmodeuntilithasreceivedatleastonevalidoverheadmessageorGeneralPageonthenewpagingchannel.ItshalldiscardallunprocessedmessagesreceivedontheoldpagingchannelItshouldnotbeinnon-slottedmodeifthefollowingistrue:MSsupportsQPCHMSknowsthatthenewBSsupportsconfigurationchangeindicatorsMSdeterminedthatQPCHconfigurationchangeindicatorsforthenewQPCHissetto“OFF”NomorethanT31msecondshaveelapsedsincetheMSreceivedavalidmessageonthenewpagingchannel.,LadderMessagesinIdleState,L1_SLOTTED_MODE_SET_REQRequestL1tooperateinslottedmodeL1_SLOTTED_MODE_SET_RESPinformsMCUthatDSPisinslottedmodeL1_SLOT_CYCLE_START_INDsentatbeginningofeachnewslot,indicatesL1haswokeupandstarteditsoperationintheassignedslotsL1_NON_SLOTTED_MODE_SET_REQ-Setsnon-slottedmode,containnoparametersL1_NON_SLOTTED_MODE_SET_RESPinformsMCUthatDSPisawakeandoperatinginnon-slottedmodeL1_RSSI_INDreturnstheRSSI(Ec/Io)leveltoMCU.SentbyDSPwheninslottedmodeL1_STRONG_PILOT_INDindicatesastrongpilothasbeendetectedbyL1L1_IDLE_HANDOFF_REQparametersneededforperformingidleHO,&monitoringQPCHconfigurationchangeindicatorsL1_SYSTEM_PARAM_SET_REQSetsSystemParametersforL1L1_NGHBR_SET_REQSetNeighborListinfoforL1L1_EXT_SYSTEM_PARAM_SET_REQSetsExtendedSystemParameters,In-trafficSystemParametersinfoforL1.L3D_SYS_SWITCHED_INDIfCDMAChannelchangedornewSID,SlottedModeLog,IdleHandoffLog,RedirectionProcedures,PurposeofGSRM,ProvidestheBSamethodtoredirectMStodifferentchannels.ExampleIfthereare2FA(FrequencyAssignment),80%ofMSononeFAand20%ofMSontheother,thenBScanuseGSRMtoredirectMS,sothedistributionis50/50onthe2FAGSRMwillbeusedonlyifthereisFAoverlay(somorethan1FAhastobepresent),Redirection,WhentheMSreceivesGSRMonthepagingchannel,itwillcomparetheCONFIG_MSG_SEQ.Ifthereisamatch,orifSYS_PAR_MSG_SEQisnotcurrent(?),thenMSwillignorethemessageOtherwise,MSwillstorethenewCONFIG_MSG_SEQ,thencheckthefollowing:IfP_REV_IN_USEbytheMSisequalorgreaterthan6,theMSwillignorethemessageif:EXT_GLOBAL_REDIRECTs=1EXCL_P_REV_MSr=1MSwillcomparetheACCOLCinthemessageanditsmemory.Ifitmatch,thenMSwillreacquirenewsystemindicatedintheGSRM.Ifitdoesntmatch,thenMSwillignorethemessage,AccessOverloadClass,4bitACCOLCpindicatorusedtoidentifywhichoverloadclasscontrolsaccessattemptsbytheMSUsedtoidentifyredirectedoverloadclassesinglobalserviceredirectionACCOLC09MSnotusedfortestoremergencyshouldbeassignedtothiscategoryThe4-bitACCOLCpwillbeautomaticallyderivedfromthelastdigitoftheassociateddecimalrepresentationoftheIMSI_Mbyadecimaltobinaryconversion.IftheIMSI_MoftheMSischanged,theMSwillre-calculatetheACCOLCp.ACCOLC10willbedesignatedtoMSfortestuseACCOLC11willbedesignatedtoMSforemergencyuseACCOLC1215Reserved.ACCOLCpshallnotbevisiblethroughtheMSsdisplay.,ACCOLC0-9MappingTable,GSRMNokia,ThedefaultACCOLCparameteristothelastdigitoftheMIN.ForNokia,theACCOLCPRIIDsisdependentonanotherPRIID,PRIID486,ACCOLCUpdatedbyMINChange.IfOption0-NotUpdateisselected,thenwhateveryouwritetothemobileastheACCOLCthroughPRIID146forNAM1orPRIID165forNAM2,itwillremainsetastheACCOLCafterthemobileispower-cycled.IfyouleavePRIID486settoOption1-Update,theACCOLCwillalwaysbesettothelastdigitoftheMIN.ThisistoallowoperatorstoeithersettheACCOLCalwaystothelastdigitoftheMINoralwaystoaspecificvalue.,GSRMLOG,Statistics,PagingStatisticsspecificbyStandard,PAG_124bitsNumberofPagingChannelMessagestheMSattemptedtoreceivePAG_224bitsNumberofPagingChannelmessagesthemobilestationreceivedwithaCRCthatdoesnotcheckPAG_316bitsNumberofPagingChannelmessagesorrecordstheMSreceivedthatwereaddressedtoitPAG_424bitsNumberofPagingChannelhalfframesreceivedbytheMSPAG_524bitsNumberofPagingChannelhalfframesthatcontainanypartofamessagewithaCRCthatchecksPAG_616bitsNumberoftimesthattheMSdeclaredalossofthepagingchannelPAG_716bitsNumberofMSIdleHO,IdleRelatedPPC,151CDMADPCHLOST152CDMADPCHLOCK158CDMAPAGINGCHANNELFAIL195IDLEHANDOFF196IDLEHONEWSYS197IDLEHOINTERFREQ198IDLEHOINTERBAND217CDMAGLOBALREDIR396CDMADPCHLOSTSYSDET,400NOSYNCSYSDET401NOPICHSYSDET403CDMAGSRMSYSDET415CDMAIDLENONSLOTTEDTIME663CDMAIDLESLOTTEDTIME667CDMACELLIDLENONSLOTTEDTIME668CDMAPCSIDLENONSLOTTEDTIME669CDMACELLIDLESLOTTEDTIME67