Analyzing WCDMA Call Flow using TEMSWCDMA L3 MessagesLog files analysisEricsson Internal|2013-07-15|Page 2OBJECTIVES Understand the functions of TEMS Investigation for L3 messages analysis in WCDMA. Know call flows analysis for WCDMA MOC, MTC, PDP Context Activation, Handover. Know RRC and NAS protocols IE refer to 3GPP 25.331 and 24.008Ericsson Internal|2013-07-15|Page 3CONTENTS1. Related 3GPP References for RRC-25.331, andL3 Messages-24.008.2. TEMS introduction TEMS functions TEMS basic information Starting and Replay log files3. TEMS Investigation NAS Procedures NAS Messages4. TEMS Investigation RRC Procedures RRC Messages5. TEMS Investigation : WCDMA CS procedures Location Update Mobile Originating Call Mobile Terminating Call Inter RNC Soft Handover Intersystem HandoverEricsson Internal|2013-07-15|Page 4CONTENTS5. TEMS Investigation : WCDMA PS procedures Attach Detach Routing Area Update PDP Context MultirabEricsson Internal|2013-07-15|Page 53GPP REFERENCES TS. 25.331 Universal Mobile Telecommunications System (UMTS); Radio Resource Control (RRC) TS 24.008 Technical Specification Group Core Network and Terminals; Mobile radio interface Layer 3 specificationEricsson Internal|2013-07-15|Page 6WCDMA ProtocolsUu, Iub, IuCS and IuPS protocols involved in transfer of NAS messageEricsson Internal|2013-07-15|Page 7NAS MESSAGESLocation UpdatingIdentity RequestIdentity ResponseAuthentication RequestAuthentication ResponseTMSI Reallocation Command TMSI Reallocation CompleteCM Service RequestSetupCall proceedingAlertingConnectConnect ACKDisconnectReleaseRelease completeAttach Detach PDP Context ActivationPDP Context DeactivationRouting Area UpdateEricsson Internal|2013-07-15|Page 8RRC MESSAGESRRC Connection RequestRRC Connection SetupRRC Connection RejectRRC Connection Setup CompleteRRC Connection ReleaseRRC Connection Release CompleteRRC StatusUE Capability EnquiryUE Capability InformationRadio Bearer SetupRadio Bearer ReconfigurationRadio Bearer ReleasePhysical Channel ReconfigurationTransport Channel ReconfigurationCell UpdateMeasurement ControlSecurity Mode CommandSecurity Mode CompleteActive Set UpdateCell change order from WCDMA RANDownlink Direct TransferUplink Direct TransferSignaling Connection ReleaseEricsson Internal|2013-07-15|Page 9TEMS INTRODUCTION TEMS Investigation is an air interface test tool for cellular networks, supporting all of the following technologies: GSM/GPRS/EGPRS WCDMA/HSPA/HSPA+ LTE (FDD and TDD) TD-SCDMA (including interaction with GSM) cdmaOne/cdma2000/EV-DO Rel. 0/EV-DO Rev. A/EV-DO Rev. B, plusbasic iDEN support TEMS Investigation is primarily a tool for data collection and real-timeanalysis. It interfaces with phones, data cards, scanners, and othermeasurement devices; it collects data and records it in logfiles. Ericsson Internal|2013-07-15|Page 10TEMS Introduction ContEricsson Internal|2013-07-15|Page 11TEMS Introduction Cont TI main menu WCDMAEricsson Internal|2013-07-15|Page 12TEMS Introduction Cont Presentation Ericsson Internal|2013-07-15|Page 13TEMS : CS PROCEDURES1. Location UpdateThe location updating procedure is a general procedure which is used for the following purposes (3GPP 24.008 section 4.4.1):- normal location updating (described in this section);- periodic updating - IMSI attachEricsson Internal|2013-07-15|Page 14Loc update contThe UE shall initiate the procedure when upper layers in the UE requests the establishment of a signalling connectionRRC Con Req and RRC Con setup specific IE can be see on 3GPP 25.331 section 10.2.39 and 10.2.40Ericsson Internal|2013-07-15|Page 15Loc update contInitial Direct Transfer is used to initiate a signalling connection based on indication from the upper layers, and to transfer a NASmessage.Initial Direct transfer 3GPP 25.331 section 10.2.16Ericsson Internal|2013-07-15|Page 16Loc update contTable 9.2.3/3GPP TS 24.008: AUTHENTICATION REQUEST message contentEricsson Internal|2013-07-15|Page 17Loc update contSecurity Mode Command is sent by RNC to start or reconfigure ciphering and/or integrity protection parameters.3GPP TS 25.331: SECURITY MODE COMMAND message contentEricsson Internal|2013-07-15|Page 18Loc update contTMSI Reallocation Command is sent by the network to the mobile station to reallocate or delete a TMSI3GPP TS 24.008: TMSI REALLOCATION COMMAND message contentEricsson Internal|2013-07-15|Page 19Loc update contTable 9.2.15/3GPP TS 24.008: LOCATION UPDATING ACCEPT message contentEricsson Internal|2013-07-15|Page 20TEMS : CS PROCEDURES cont2. Mobile Originating CallCM Service Request is sent by the mobile station to the network to request a service for the connection management sublayer entities i.e MOC3GPP TS 24.008: CM SERVICE REQUEST message contentEricsson Internal|2013-07-15|Page 21Moc contEricsson Internal|2013-07-15|Page 22Moc contSetup message is to initiate a mobile originating call establishment3GPP TS 24.008: SETUP message contentEricsson Internal|2013-07-15|Page 23Moc contCall Proceeding is sent from CN to the UE to indicate the network has sent acknowledgement that the network has received all call information necessary to effect call establishment.3GPP TS 24.008: CALL PROCEEDING message contentEricsson Internal|2013-07-15|Page 24Moc contEricsson Internal|2013-07-15|Page 25Moc cont3GPP TS 34.108:channel parameters for Conversational speech 12.2kbpsEricsson Internal|2013-07-15|Page 26Moc contAlerting message is sent by the network to the calling mobile station to indicate that the called user alerting has been initiated.3GPP TS 24.008: ALERTING message content (network to mobile station direction)3GPP TS 24.008: CONNECT message content (network to mobile station direction)Ericsson Internal|2013-07-15|Page 27TEMS : CS PROCEDURES cont3. Mobile Terminating CallEricsson Internal|2013-07-15|Page 28Mobile Terminating Call cont3GPP TS 24.008: Call Confirmed message contentEricsson Internal|2013-07-15|Page 29TEMS : CS PROCEDURES cont4. Inter RNC Soft Handover Ericsson Internal|2013-07-15|Page 30Inter RNC Soft Handover contEricsson Internal|2013-07-15|Page 31Inter RNC Soft Handover contEricsson Internal|2013-07-15|Page 32Inter RNC Soft Handover contEricsson Internal|2013-07-15|Page 33Inter RNC Soft Handover contEricsson Internal|2013-07-15|Page 34TEMS : CS PROCEDURES cont5. Intersystem Handover WCDMA to GSMEricsson Internal|2013-07-15|Page 35IRAT HO UMTS TO GSM CONTEricsson Internal|2013-07-15|Page 36IRAT HO UMTS TO GSM CONT3GPP TS 25.331: Handover From UTRAN Command message contentEricsson Internal|2013-07-15|Page 37IRAT HO UMTS TO GSM CONTEricsson Internal|2013-07-15|Page 38TEMS : PS PROCEDURES1. Attach procedure3GPP TS 24.008:ATTACH REQUEST message contentAttach request is sent by the MS to the network in order to perform a GPRS attachEricsson Internal|2013-07-15|Page 39Attach procedure cont3GPP TS 24.008: Attach Accept message contentEricsson Internal|2013-07-15|Page 40TEMS : PS PROCEDURES cont2. Detach procedureIMSI detach procedure can be UE initiated or Network Initiated 3GPP TS 24.008: Detach Request message content3GPP TS 24.008: Detach Accept message contentEricsson Internal|2013-07-15|Page 41TEMS : PS PROCEDURES cont3. Routing Area Update procedureThis message is sent by the MS to the network to request an update of its location. This can be normal RAU or Periodic RAU3GPP TS 24.008: Routing Area Update Request message contentEricsson Internal|2013-07-15|Page 42RAU procedure CONT3GPP TS 24.008: Routing Area Update Accept message contentEricsson Internal|2013-07-15|Page 43TEMS : PS PROCEDURES cont4. PDP Context Procedure3GPP TS 24.008: Activate PDP Context Request message contentEricsson Internal|2013-07-15|Page 44PDP Context Procedure cont3GPP TS 24.008: Activate PDP Context Accept message contentEricsson Internal|2013-07-15|Page 45PDP Context Procedure contEricsson Internal|2013-07-15|Page 46TEMS : PS PROCEDURES cont5. MultirabEricsson Internal|2013-07-15|Page 47Multirab contEricsson Internal|2013-07-15|Page 48 All Ericssons employees can have a replay license and does not require approval. If you already installed the latest version of TEMS Investigation you have to perform following process: Go to Start->All Programs->Ascom-> TEMS Products -> Utility -> HASP SRM Remote Update and initiate this program.License Request Process Ericsson Internal|2013-07-15|Page 491. HitCollect buttonandsavethelicensefilewiththe request dateof the user somewhere on the pc where it can be found2. Send an e-mail to tems-order@ascom.comwith subject line: RequestforTEMSInvestigationreplayLicense and includetheuserscontactinfo(includingEricssone-mail address). Include the license file (same file retrieved earlier)inthe e-mailandstatethatlicensefileisincluded.Please copythomas.unander-scharin@ascom.com onthise-mail. This will trigger an internal Ascomprocess leading to an e-mailsentfromourTEMSSupportgrouptotheEricsson user with updated license file.License Request Process