GPRS基础理论知识4

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1、GPRSSYSGPRSTrafficManagementTrainingDocumentCTXX3192Issue2.0en©NokiaNetworksOy1(87)ContentsTheinformationinthisdocumentissubjecttochangewithoutnoticeanddescribesonlytheproductdefinedintheintroductionofthisdocumentation.ThisdocumentisintendedfortheuseofNokiaNetworks'customersonlyforthepurposes

2、oftheagreementunderwhichthedocumentissubmitted,andnopartofitmaybereproducedortransmittedinanyformormeanswithoutthepriorwrittenpermissionofNokiaNetworks.Thedocumenthasbeenpreparedtobeusedbyprofessionalandproperlytrainedpersonnel,andthecustomerassumesfullresponsibilitywhenusingit.NokiaNetworksw

3、elcomescustomercommentsaspartoftheprocessofcontinuousdevelopmentandimprovementofthedocumentation.Theinformationorstatementsgiveninthisdocumentconcerningthesuitability,capacity,orperformanceofthementionedhardwareorsoftwareproductscannotbeconsideredbindingbutshallbedefinedintheagreementmadebetw

4、eenNokiaNetworksandthecustomer.However,NokiaNetworkshasmadeallreasonableeffortstoensurethattheinstructionscontainedinthedocumentareadequateandfreeofmaterialerrorsandomissions.NokiaNetworkswill,ifnecessary,explainissueswhichmaynotbecoveredbythedocument.NokiaNetworks'liabilityforanyerrorsinthed

5、ocumentislimitedtothedocumentarycorrectionoferrors.NokiaNetworksWILLNOTBERESPONSIBLEINANYEVENTFORERRORSINTHISDOCUMENTORFORANYDAMAGES,INCIDENTALORCONSEQUENTIAL(INCLUDINGMONETARYLOSSES),thatmightarisefromtheuseofthisdocumentortheinformationinit.Thisdocumentandtheproductitdescribesareconsideredp

6、rotectedbycopyrightaccordingtotheapplicablelaws.NOKIAlogoisaregisteredtrademarkofNokiaCorporation.Otherproductnamesmentionedinthisdocumentmaybetrademarksoftheirrespectivecompanies,andtheyarementionedforidentificationpurposesonly.Copyright©NokiaNetworksOy2001.Allrightsreserved.CTXX3192Issue2.0

7、en©NokiaNetworksOy87(87)ContentsContents1Moduleobjectives52IntroductiontoGPRSMobilityandSessionManagement63MobilityManagement93.1Routingareas93.2Mobilitymanagementstates103.3GPRSAttachandDetach133.4Locationmanagement173.5SGSNandMSC/VLRInterac