201088ODERNSCIENCE&TECHNOLOGYOFTELECOMMUNICATIONSM····························LTE/SAE*:LTELTE、3GPP、QoS。:LTETAAbstract:InordertoachievethecurrentlocationofmobileusersintheLTEnetwork.Firstly,themobilitymanagementfunctionsunderLTEnetworkareintroduced.Thentheuser’smobilitymanagementstateisdescribed;atthesametime,transferbetweenmobilestatesisdescribedusinggraphicmethod.Finally,themobilitymanagementonidlestatus,connectionstatusandthemobilitymanagementbetween3GPPwirelessaccesssystemsareanalyzedrespectively.Analysisshowsthat,theproposedmobilitymanagementmechanismcansolvetheissuesofmobilecommunicationnetworksecurity,reliabilityandendtoendQoS.KeyWords:LTE,mobilitymanagement,mobilitymanagementstate,TAupdating,handover、。1Mbit/s20ms。3GPP200412LTElongtermevolutionIPSAEsystemarchitectureevolution[1]LTESAE3GPPLTE3G3GPPIP。。、QoS。13GPPLTE3GPPLTE3G3G*No.2009ZX3002-00955esearch&ExplorationRMSTTAugust2010···························· 13GPPLTE。LTEUMTSE-UTRANUMTSE-UTRA。3GPPLTEEPCEvolvedPacketCoreNetworkSAE。LTE/SAESAELTE。LTE3GPPNon-3GPPNon-3GPPWLAN、WIMAX。3GPPLTE[2]1。E-UTRANeNodeB、。MMEMobilityManagemetEntityS-GWServingGateWayEPCE-UTRANeNodeB。EPCeNodeBS1SAE/LTE。X2eN-odeB。S1X2。eNodeBS1-US-GWS1-MMEMMES1、、。EPCMMENASNon-AccessStratumNASTrackingAreaS-GWMMEMME2G/3GSGSN、、3GPPUE。2LTEUE、UE。2.1TATrackingAreaLTEUE。UMTSLALocationAreaRARoutingArea。LTE。LTE[2]1LTE。2UEUE。3UEUE。56201088ODERNSCIENCE&TECHNOLOGYOFTELECOMMUNICATIONSM···························· 24UE。2.2TAIUETATAUTrackingAreaUpdateUEUETATAIList。UETAIMME。TAITAU。MMEUEUEUETAIUEUEUE。LTETA、TAUGUTIMMEUE。TAI。。TA。2.3UEUE、E-UTRANEPC。UEUE。UE、。33.1。、、QoS。2。MME。UMTSLTERNCMAC/RLCRRCeNodeB。eNodeBPDCPNAS。。3.2LTEEPSEMMEPSMobilityManagementEPSECMEPSConnectionManagement。12EMMECM。57esearch&ExplorationRMSTTAugust2010···························· !#$%!#$%3LTEEMM1EMM-DEREGISTEREDEMM-REGISTEREDEMM-DEREGISTEREDEMM-REGISTERED1。1UEECM-IDLEECM-CONNECTED。2。2IP、、。3IMSI。3ECM。4。4IMSI、GUTIIP。5。5TA。6PLMN。6TAU、。2ECM-IDLEECM-CONNECTEDECM-IDLEECM-CONNECTED1UEE-UTRANUEUE。1UERRCS1-MME。2UES-GWMME。2UE。3UETA。3UE。4UETA。4UETA。5UEPLMN。6E-UTRANEPC。3.3EMMEMM-REGISTEREDEMM-DEREGISTEREDUE。ECMECM-IDLEECM-CONNECTEDUEEPC。34。4。。4.1LTELTE。UE。UES-GW。UETA。TAUTAU。UEUETAU[3]。UEE-UTRANUETAITAIUETAU。5TAU。UETAITAIUETAU。UEeNodeBTAU58201088ODERNSCIENCE&TECHNOLOGYOFTELECOMMUNICATIONSM···························· !#$%&’(#$%&’)*+,-./010+,-./01023456789:;6X2eNB !#$%&’()*+,)*+-./0123456)*+789:;!:;!-.=?@?AB?ABCD?@CDEF!’EF!-.(GH,IJ5MME 4LTEECMTAURRC。eNodeBS-TMSIMMETAUMME。MMEMME。UEHSS。MMEUEMMS-GWHSSMME-IDIMSIHSS。MMEUETAUGUTI、TAIEPS。TAU“ActiveFlag”eNodeBUEE-UTRAN。TAU。GUTIUETAUMMEGUTI。4.2LTEEPS。UEUEUE。UETA[3]。LTEUEUE、、UE。LTEUEE-UTRAN。eNodeBX2。59esearch&ExplorationRMSTTAugust2010···························· !#$%&’()#*+,-#*.+,-/01’()#1.’()#234+,-#4.+,-/05%&’()/0678+,#6.78+,/09:;=?@AB 2?%& -.%& -C%& -D%& -23!B 2EFGHIJK!.LB 2MNO%& -23%&PH%&$’()MN*%&’()MN*.%&’()MN231QR-#4QR-/0STU(VWXQRJKY;7E-UTRANUTRANMMEeNodeB6。eNodeBUEeNodeBUE。eNodeBeNodeBUE。UE。UE、。4.33GPPLTEUMTSLTEUESGSNEPC[4]。UEE-UTRANE-UTRANUTRAN。LTEE-UTRANUTRAN7。6660esearch&ExplorationRMSTTAugust2010····························、。。“RFID”、、、、、、、、、。、。LTE-A2011。LTE-A。LTE-AIT。LTE-A。[1]InternationalTelecommunicationUnionUIT.ITUInter-netRe-ports2005TheInternetofThings.2005.[2]...2009.296.[3]GustavoRG.MarioMO.CarlosDK.EarlyinfrastructureofanIn-ternetofThingsinSpacesforLearning.EighthIEEEInternationalConferenceonAdvancedLearningTechnologies.2008.[4]AmardeoC,SarmaJG.IdentitiesintheFutureInternetofThings.WirelessPersCommun2009,49353-363.[5]...2009.2312.[6]KlausDoppler,MikaP.Rinne,PekkaJanis.Device-to-DeviceCommunications;FunctionalProspectsforLTE-AdvancedNetworks.CommunicationsWorkshops,ICCWorkshops2009.[7]J.M.IIIandJ.GeraldQ.Maguire,“CognitiveRadioMakingSoft-wareRadiosMorePersonal,”IEEEPersonalCommunications,Aug.1999.vol.6,no.4,pp.13-18.[8]S.Haykin,“CognitiveRadioBrain-EmpoweredWirelessCommu-nications,”IEEEJournalonSelectedAreasinCommunications,Feb.2005.vol.23,no.2,pp.201-220.[9]C.H.Yu,O.Tirkkonen,K.Doppler,et.al.PowerOptimizationofDevice-to-DeviceCommunicationUnderlayingCellularCommunica-tion.IEEEInternationalConferenceonCommunicationsICC,June2009.MSTT60eNodeBUEUTRANIu。、RNCIDeNodeBIDUTRANRNCSGSN。MMEEPSPDPSGSNSGSNS-GWS-GWPDPS-GWSGSN。SGSNRNCPDP。MMEeNodeB。eNodeBE-UTRANUEeNodeB。UMTS[5]。UEUMTS。5。LTEUMTS。UE。[1].LTE[J].2009(