TSC004TECHNICALSPECIFICATIONCHINAWIRELESSTELECOMMUNICATIONSTANDARDCWTSWORKINGGROUP1WG1UEPROCEDURESINIDLEMODECONTENTS1SCOPE42REFERENCES43DEFINITIONS,ABBREVIATIONSANDSYMBOLS531DEFINITIONS532ABBREVIATIONS633SYMBOLS64GENERALDESCRIPTIONOFIDLEMODE741OVERVIEW742FUNCTIONALDIVISIONBETWEENASANDNASINIDLEMODE843SERVICETYPEINIDLEMODE95PROCESSDESCRIPTIONS1151PLMNSELECTIONANDRESELECTION1152CELLSELECTIONANDRESELECTION11521CELLSELECTIONPROCEDURE115211DESCRIPTION115212CRITERIA12522IMMEDIATECELLEVALUATIONPROCEDURE135221DESCRIPTION135222CRITERIA13523CELLRESELECTIONPROCEDURE145231DESCRIPTION145232INTRAFREQUENCYCELLRESELECTIONCRITERIA145233INTERFREQUENCYCELLRESELECTIONCRITERIA145234INTERRADIOACCESSSYSTEMCELLRESELECTIONCRITERIA145235CELLRESELECTIONPARAMETERSINSYSTEMINFORMATIONBROADCASTS15524ODMAPROBINGSUBPROCESS1552411ODMAPROBINGSTATEMACHINES15525BARREDCELLSANDACCESSCONTROL17526REGIONALPROVISIONOFSERVICE1753LOCATIONREGISTRATION186BROADCASTINFORMATIONRECEIVING1961RECEPTIONOFSYSTEMINFORMATION1962CELLBROADCAST197IDLEMODEMEASUREMENTS198DISCONTINUOUSRECEPTION209MULTICASTSERVICES2091STATEDIAGRAMBETWEENTHEMULTICASTSERVICEANDDSCH20911MT_NULLSTATE21912MT_MONITORSTATE21913MT_SAVINGSTATE21914MT_ACTIVESTATE2210EXAMPLESOFPROCEDURES23101NASINITIATEDCHANGEOFSYSTEMINFORMATION23102SYSTEMINFORMATIONUPDATETONAS24103CNORIGINATEDPAGINGINIDLEMODE25104PLMNSELECTION,AUTOMATICMODE,NORMALCASE26105PLMNRESELECTION,AUTOMATICMODE27106PLMNRESELECTION,MANUALMODE28107PLMNSELECTION,AUTOMATICMODE,SELECTEDPLMNNOTFOUND29108NASCONTROLLEDCELLSELECTION291081EXECUTIONINACCESSSTRATUM291082EXECUTIONINNONACCESSSTRATUM3011HISTORY311SCOPETHEPRESENTDOCUMENTSHALLDESCRIBETHEOVERALLIDLEMODEPROCESSFORTHEUEANDTHEFUNCTIONALDIVISIONBETWEENTHENONACCESSSTRATUMANDACCESSSTRATUMINTHEUETHEUEISINIDLEMODEWHENTHECONNECTIONOFTHEUEISCLOSEDONALLLAYERS,EGTHEREISNEITHERANMMCONNECTIONNORANRRCCONNECTIONTHISDOCUMENTPRESENTSALSOEXAMPLESOFINTERLAYERPROCEDURESRELATEDTOTHEIDLEMODEPROCESSESANDDESCRIBESIDLEMODEFUNCTIONALITYOFADUALMODETDSCDMA/GSMUE2REFERENCESTHEFOLLOWINGDOCUMENTSCONTAINPROVISIONSWHICH,THROUGHREFERENCEINTHISTEXT,CONSTITUTEPROVISIONSOFTHEPRESENTDOCUMENTREFERENCESAREEITHERSPECIFICIDENTIFIEDBYDATEOFPUBLICATION,EDITIONNUMBER,VERSIONNUMBER,ETCORNONSPECIFICFORASPECIFICREFERENCE,SUBSEQUENTREVISIONSDONOTAPPLYFORANONSPECIFICREFERENCE,THELATESTVERSIONAPPLIESANONSPECIFICREFERENCETOANTSSHALLALSOBETAKENTOREFERTOLATERVERSIONSPUBLISHEDASANENWITHTHESAMENUMBER1ETSIGSMTS0322,“FUNCTIONSRELATEDTOMOBILESTATIONINIDLEMODEANDGROUPRECEIVEMODE”2CWTSTSC001“RADIOINTERFACEPROTOCOLARCHITECTURE”3CWTSTSC003“UEFUNCTIONSANDINTERLAYERPROCEDURESINCONNECTEDMODE”4CWTSTSC102“PHYSICALCHANNELSANDMAPPINGOFTRANSPORTCHANNELSONTOPHYSICALCHANNELSTDSCDMA5CWTSTSC106“PHYSICALLAYERMEASUREMENTSTDSCDMA”6CWTSTSC203“RRCPROTOCOLSPECIFICATION”3DEFINITIONS,ABBREVIATIONSANDSYMBOLS31DEFINITIONSACCEPTABLECELLTHISISACELLTHATTHEUEMAYCAMPONTOMAKEEMERGENCYCALLSITMUSTSATISFYCERTAINCONDITIONSALLOWABLEPLMNTHISISAPLMNWHICHISNOTINTHELISTOFFORBIDDENPLMNSINTHEUEAVAILABLEPLMNTHISISAPLMNWHERETHEUEHASFOUNDACELLTHATSATISFIESCERTAINCONDITIONSCAMPEDONACELLTHEUEISINIDLEMODEANDHASCOMPLETEDTHECELLSELECTION/RESELECTIONPROCESSANDHASCHOSENACELLTHEUEMONITORSSYSTEMINFORMATIONANDINMOSTCASESPAGINGINFORMATIONNOTETHATTHESERVICESMAYBELIMITED,ANDTHATTHEPLMNMAYNOTBEAWAREOFTHEEXISTENCEOFTHEUEWITHINTHECHOSENCELLDRXDISCONTINUOUSRECEPTIONDRXCYCLETHEINDIVIDUALTIMEINTERVALBETWEENREADINGINITIALPAGINGINFORMATIONFORASPECIFICUEHOMEPLMNTHISISAPLMNWHERETHEMOBILECOUNTRYCODEMCCANDMOBILENETWORKCODEMNCOFTHEPLMNIDENTITYARETHESAMEASTHEMCCANDMNCOFTHEIMSIINITIALPAGINGINFORMATIONTHISINFORMATIONINDICATESIFTHEUENEEDTOCONTINUETOREADMOREPAGINGINFORMATIONANDEVENTUALLYRECEIVEAPAGEMESSAGEINITIALPAGINGOCCASIONTHEPAGINGOCCASIONTHEUEUSEASSTARTINGPOINTFORITSDRXCYCLELOCATIONREGISTRATIONLRTHEUEREGISTERSITSPRESENCEINAREGISTRATIONAREA,FORINSTANCEREGULARLYORWHENENTERINGANEWREGISTRATIONAREALSALOCALISEDSERVICEAREAALSAISANOPERATORDEFINEDGROUPOFCELLSFORWHICHSPECIFICACCESSCONDITIONSAPPLIESTHISMAYCORRESPONDTOANAREAINWHICHTHECORENETWORKOFFERSSPECIFICSERVICESALSAMAYBEDEFINEDWITHINAPLMNORGLOBALLYTHEREFORE,ALSAMAYOFFERANONCONTIGUOUSRADIOCOVERAGELSAEXCLUSIVEACCESSCELLAUEMAYONLYCAMPONTHISCELLIFTHECELLBELONGSTOTHELSASTOWHICHTHEUSERHASSUBSCRIBEDNEVERTHELESS,IFNOOTHERCELLSAREAVAILABLE,THEUEOFNONLSAUSERSMAYORIGINATEEMERGENCYCALLSFROMTHISCELLLSAIDLOCALISEDSERVICEAREAIDENTITYLSAONLYACCESSWHENLSAONLYACCESSAPPLIESTOTHEUSER,THEUECANONLYACCESSCELLSTHATBELONGTOTHELSASTOWHICHTHEUSERHASSUBSCRIBEDOUTSIDETHECOVERAGEAREAOFTHESUBSCRIBEDLSAS,THEUEMAYCAMPONOTHERCELLSANDLIMITEDSERVICESAPPLYLSAPREFERENTIALACCESSCELLALSAPREFERENTIALACCESSCELLISACELLWHICHISPARTOFTHELSAUESOFUSERSTHATHAVESUBSCRIBEDTOALSAOFALSAPREFERENTIALACCESSCELLHAVEHIGHERPRIORITYTORESOURCESTHANNONLSAUSERSINTHESAMECELLTHEAVAILABILITYOFLSAPREFERENTIALACCESSCELLSIMPACTTHEFOLLOWINGPROCEDURESRADIORESOURCEALLOCATIONCONTROLLEDBYRANACCESSSTRATUMTHISFUNCTIONISOUTOFTHESCOPEOFTHESTANDARDSMAXIMUMDRXCYCLETHETIMEINTERVALFORTHELONGESTPOSSIBLEDRXCYCLEINACELLPAGINGOCCASIONSTHETIMEINSTANCESWHEREITISPO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PROCEDURE5211DESCRIPTIONTHEPURPOSEOFTHECELLSELECTIONPROCEDUREISTOFINDTHEMOSTSUITABLECELLFORTHEUETOCAMPONASUITABLECELLMUSTFULFILALLTHEFOLLOWINGREQUIREMENTS1THECELLISPARTOFTHESELECTEDPLMN2THECELLISNOTBARREDDETAILSAREFFS3THECELLISNOTPARTOFAFORBIDDENREGISTRATIONAREADETAILSAREFFS4THECELLSELECTIONCRITERIAAREFULFILLEDSEEBELOW5THESOLSACRITERIAAREFULFILLEDFFSWHENEVERAPLMNISSELECTED,THEUESHALLATTEMPTTOFINDTHEMOSTSUITABLECELLOFTHATPLMNACCORDINGTOTHEFOLLOWINGSTEPS1CREATEACANDIDATELISTOFPOTENTIALCELLSTOCAMPONTWOPROCEDURESAREPOSSIBLEFORSEARCHINGTHEMOSTSUITABLECELLAINITIALCELLSELECTIONTHISPROCEDUREREQUIRESNOPRIORKNOWLEDGEOFWHICHRFCHANNELSARETDSCDMACARRIERSTHEUESHALLSCANALLRFCHANNELSINTHETDSCDMABANDTOFINDASUITABLECELLFROMSTRONGESTCARRIER,THEUESEARCHESFIRSTFORTHEGOLDCODEUSEDINDWPTSAFTERSYNCHRONIZATIONWITHSYSTEMTHEUEWILLREADBCCHINFORMATIONANDFROMTHEINFORMATIONTHEUEWILLFINDOUTWHICHPLMNSAREAVAILABLEIFTHEPLMNTHATNASREQUESTEDTOSEARCHFORISFOUND,THESEARCHOFTHERESTOFCARRIERSSHALLBESTOPPEDAFTERTHEUEHASFOUNDONESUITABLECELLFORTHESELECTEDPLMN,THEUESHALLCREATEACANDIDATELIST,BASEDONTHEMEASUREMENTANDBCCHINFORMATIONBSTOREDINFORMATIONCELLSELECTIONTHISPROCEDUREREQUIRESSTOREDCARRIERFREQUENCIESANDGOLDCODESINFORMATIONUSEDINDWPTSFROMPREVIOUSLYRECEIVEDMEASUREMENTCONTROLINFORMATIONELEMENTSAFTERTHEUEHASFOUNDONESUITABLECELLFORASELECTEDPLMNTHEUESHALLCREATETHECANDIDATELISTBASEDONTHENEIGHBOURCELLMEASUREMENTSANDBCCHINFORMATIONNOTESETTINGTHEPRIORITIESOFPLMNSEARCHANDSELECTIONAREFFS2READTHEFOLLOWINGINFORMATIONFROMTHESYSTEMINFORMATIONOFEACHCELLOFTHECANDIDATELISTCELLBARREDDETAILSAREFFSREGISTRATIONAREACELLSELECTIONPARAMETERS3FOREACHCELLONTHECANDIDATELISTNOTBARREDORFORBIDDEN,CALCULATETHECELLSELECTIONVALUE,S,ANDTHEQUALITYVALUE,Q,DEFINEDBELOW4AMONGTHECELLSWITHS0CHOOSETHECELLWITHTHEHIGHESTQVALUETOCAMPONIFNOSUITABLECELLSAREFOUNDANDTHESTOREDINFORMATIONCELLSELECTIONPROCEDUREWASUSEDINSTEP1,THEINITIALCELLSELECTIONPROCEDUREISSTARTEDANDTHESTEPSAREREPEATEDIFTHEUEISUNABLETOFINDANYSUITABLECELLUSINGTHEINITIALCELLSELECTIONPROCEDURE,ITATTEMPTSTOCAMPONANYACCEPTABLECELLANDENTERS“LIMITEDSERVICESTATE”NOTEINPLMNSELECTION,AUTOMATICMODE,THISWOULDNORMALLYRESULTINANEWPLMNSELECTION5212CRITERIATHECELLSELECTIONVALUE,S,ISDEFINEDASFOLLOWSSMINMS_TXPWR_MAX,P_MAXNET_RF_OUTPUTQQMINSCELLSELECTIONVALUE,DBQQUALITYVALUETHEQUALITYOFTHERECEIVEDSIGNAL,DBORDBMNOTEEXACTUNITISFFSQMINMINIMUMREQUIREDQUALITYLEVELINTHECELLREADINSYSTEMINFORMATIONANDDEPENDENTONTHEQUANTITYTOMEASURE,DBORDBMNET_RF_OUTPUTRFOUTPUTPOWEROFTHEDWPTSREADINSYSTEMINFORMATION,DBORDBMMS_TXPWR_MAXMAXIMUMTXPOWERLEVELANUEMAYUSEWHENACCESSINGTHECELLREADINSYSTEMINFORMATION,DBMP_MAXMAXIMUMRFOUTPUTPOWEROFTHEUE,DBMTHESELECTIONOFVALUESFORNETWORKCONTROLLEDPARAMETERSCANBEOPTIMISEDBYMEANSOFDIFFERENTMETHODSTHECELLSELECTIONCRITERIONISFULFILLEDIFS0522IMMEDIATECELLEVALUATIONPROCEDURENOTECONDITIONSONTHEUSEOFTHEIMMEDIATECELLEVALUATIONPROCEDUREAREFFS5221DESCRIPTIONTHEPURPOSEOFTHEIMMEDIATECELLEVALUATIONISTOQUICKLYFINDTHEBESTCELLTRIGGERSOFIMMEDIATECELLEVALUATIONAR