cdma_registration_handoff

Course1201CDMATechnologyandStandardsIssue01.00ThecopyrightofthisdocumentisthepropertyofNortelNetworks.WithoutthewrittenconsentofNortelNetworks,givenbycontractorotherwise,thisdocumentmustnotbecopied,reprintedorreproducedinanymaterialform,eitherwhollyorinpart,andthecontentsofthisdocument,oranymethodsortechniquesavailabletherefrom,mustnotbedisclosedtoanyotherpersonwhatsoever.Lesson5Registration,PowerControl,andHandoffsCourse1201CDMATechnologyandStandardsIssue01.00-2LessonObjectives•IdentifyTMSIzonesandTMSIcodes•DescriberoamingandhowitrelatestotheHLRandVLR•DescribeformsofCDMAregistrationandrelatedregistrationmessages•Identifythetypesofpowercontrolandrelatedpowercontrolmessages•Describetheroleofhandoffs•Describepilotsetsastheyrelatetoinitializationandmaintenanceofacall•Describehandoffs-relatedmessagesCourse1201CDMATechnologyandStandardsIssue01.00ThecopyrightofthisdocumentisthepropertyofNortelNetworks.WithoutthewrittenconsentofNortelNetworks,givenbycontractorotherwise,thisdocumentmustnotbecopied,reprintedorreproducedinanymaterialform,eitherwhollyorinpart,andthecontentsofthisdocument,oranymethodsortechniquesavailabletherefrom,mustnotbedisclosedtoanyotherpersonwhatsoever.Section1RegistrationCourse1201CDMATechnologyandStandardsIssue01.00-4SystemsandNetworksSID=7SID=3SID=9SID=4SID=1NID=1SID=1NID=2SID=1NID=3Course1201CDMATechnologyandStandardsIssue01.00-5TMSIzonesandTMSIcodesTMSI_ZONE=527(octal)TMSI_ZONE=303(octal)TMSI_ZONE=142(octal)TMSI_CODE=222(octal)TMSI_CODE=222(octal)TMSI_CODE=111(octal)Course1201CDMATechnologyandStandardsIssue01.00-6Roaming•Amobilestationmaybeinanyofthefollowingroamingstates:—Home:mobilestationisatitshomelocation(notroaming)—NIDroaming:mobilestationiswithinaforeignNIDbutinthehomeSID—SIDroaming:mobilestationiswithinaforeignSID•Amobilestationmaintainsalistofoneormore“homepairs”—TheseareSID/NIDcombinationsdefiningthemobilestation’shomelocation—Theyarestoredinsemi-permanentmemory•TheidentityofcurrentSID/NIDiscontainedintheSystemParametersMessage(sentonthePagingChannel)HomeSID/NIDList(2,3)(2,0)(3,1)SID=2SID=4SIDRoamingNID=7NID=3NID=0NIDRoamingNotRoamingRoamingStatusCourse1201CDMATechnologyandStandardsIssue01.00-7HLR&VLR•Containspermanentsubscriberdata•Containsdynamicinformation•Supportscallrouting•Allowsqueryingbytheswitchregardlessofmobilestation’slocation•Containstemporarysubscriberdata•StoresasubsetofHLRdatarelatingtothemobilestationsthatarecurrentlyintheVLR’sserviceareaHLRVLRCourse1201CDMATechnologyandStandardsIssue01.00-8CDMARegistration•Registrationisthemeansbywhichamobilestationnotifiesthecellularsystemofitslocation,status,identification,andothercharacteristics•Balanceisrequiredbetweenpagingandregistration—Infrequentregistrationresultsinahighrateofpaging—Frequentregistrationplacesahighloadonaccesschannels•Propersystemdesignallowsabasestationtoefficientlypagethemobilestationwhenestablishingamobile-terminatedcall•Registrationalsoprovides—Themobilestation’sSLOT_CYCLE_INDEXandSLOTTED_MODE—Themobilestationclassmarkandprotocolrevisionnumbersothatthebasestationwillknowthemobilestation’scapabilities•Twotypesofmobileregistration—Non-Autonomous:explicitlyrequestedbythebasestation,orimpliedbasedonothertypesofmessagesreceivedbythemobilestation—Autonomous:triggeredbysomeeventotherthanthereceptionofanexplicitorimplicitrequestfromthebasestationCourse1201CDMATechnologyandStandardsIssue01.00-9FormsofCDMARegistration•Power-upregistration•Power-downregistration•Timer-basedregistration•Distance-basedregistration•Zone-basedregistration•Parameter-changeregistration•Implicitregistration•Orderedregistration•TrafficchannelregistrationAutonomousRegistrationRegistrationTypesNOTSupportedbyNortelNon-AutonomousRegistrationAlltypesofregistrationcanbeenabledordisabledbymeansoftheSystemParametersMessageCourse1201CDMATechnologyandStandardsIssue01.00-10RegistrationMessage(ACH)REG_TYPE4SLOT_CYCLE_INDEX3MOB_P_REV8EXT_SCM1RESERVED1SLOTTED_MODE1RESERVED5MOB_TERM1RESERVED6MSG_TYPE(‘00000001’)ACK_SEQ83MSG_SEQ3ACK_REQ1VALID_ACK1ACK_TYPE3MSID_TYPE3MSID_LEN4MSID8XMSID_LENAUTH_MODE2AUTHR0or18RANDC0or8COUNT0or6FieldLength(bits)Course1201CDMATechnologyandStandardsIssue01.00-11MobileStationRegisteredMessage(FTC)BASE_LONG23REG_DIST11RESERVED4BASE_LAT22MSG_TYPE(‘00001111’)ACK_SEQ83MSG_SEQ3ACK_REQ1ENCRYPTION2SID15NID16REG_ZONE12TOTAL_ZONES3ZONE_TIMER3MULTI_SIDS1MULTI_NIDS1FieldLength(bits)Course1201CDMATechnologyandStandardsIssue01.00-12SystemParametersMessage(PCH)MSG_TYPE(‘00000001’)PILOT_PN89CONFIG_MSG_SEQ6SID15NID16REG_ZONE12TOTAL_ZONES3ZONE_TIMER3MULT_SIDS1MULT_NIDS1BASE_ID16BASE_CLASS4PAGE_CHAN3MAX_SLOT_CYCLE_INDEX3HOME_REGFOR_SID_REG11FOR_NID_REG1POWER_UP_REG1POWER_DOWN_REG1PARAMETER_REG1REG_PRD7BASE_LAT22BASE_LONG23REG_DIST11SRCH_WIN_A4SRCH_WIN_N4SRCH_WIN_R4NGHBR_MAX_AGE4PWR_REP_THRESHPWR_REP_FRAMES54PWR_THRESH_ENABLE1PWR_PERIOD_ENABLE1PWR_REP_DELAY5RESCAN1T_ADD6T_DROP6T_COMP4T_TDROP4EXT_SYS_PARAMETER1EXT_NGHBR_LIST1GLOBAL_REDIRECT1RESERVED1FieldLength(bits)Course1201CDMATechnologyandStandardsIssue01.00-13AccessParametersMessage(PCH)MS