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| Figure 1 | GPRS Access Interfaces and Reference Points |
| Table 5.3.18-1 | Registration For SMS Request values |
| Figure 2 | Overview of the GPRS Logical Architecture when based on Gn/Gp interfaces |
| Figure 2a | Overview of the GPRS Logical Architecture when based on S4/S5/S8 interfaces |
| Figure 3 | Intra- and Inter-PLMN Backbone Networks when based on Gn/Gp interfaces |
| Figure 3a | Intra- and Inter-PLMN Backbone Networks when based on S5/S8 interfaces |
| Figure 5.4.9-1 | LIPA and SIPTO at the Local Network with L-GW function collocated with HNB architecture for HNB subsystem connected to EPC |
| Figure 5.4.9-2 | LIPA and SIPTO at the Local Network with L-GW function collocated with HNB architecture for HNB connected to a Gn-based SGSN |
| Figure 5.4.10-1 | CSS connected to SGSN and MSC/VLR |
| Figure 5.4.11-1 | RCAF connected to SGSN |
| Table 1 | Mapping of Functions to Logical Architecture |
| Figure 4 | User Plane for A/Gb mode and for Gn/Gp |
| Figure 4a | User Plane for A/Gb mode and for GTP-based S5/S8 |
| Figure 5 | User Plane for GTP-based Interfaces between Core Network Nodes |
| Figure 6a | User Plane with UTRAN for Gn/Gp |
| Figure 6b | User Plane with UTRAN for Gn/Gp and Direct Tunnel |
| Figure 6c | User Plane with UTRAN for GTP-based S5/S8 |
| Figure 6d | User Plane with UTRAN for GTP-based S5/S8 and Direct Tunnel |
| Figure 7 | Control Plane MS - SGSN in A/Gb mode |
| Figure 8 | Control Plane MS - SGSN in Iu mode |
| Figure 9 | Control Plane Gn/Gp-SGSN - HLR |
| Figure 10 | Control Plane SGSN - MSC/VLR |
| Figure 11 | Control Plane SGSN - EIR |
| Figure 11A | Control Plane S4-SGSN - EIR |
| Figure 12 | Control Plane SGSN SMS GMSC and SGSN - SMS IWMSC (MAP based) |
| Figure 12A | Control Plane SGSN SMS GMSC and SGSN SMS IWMSC (Diameter based) |
| Figure 13 | Control Plane for GTP-based Interfaces between Core Network Nodes |
| Figure 14 | Control Plane GGSN - HLR Using MAP |
| Figure 15 | Control Plane GGSN - HLR Using GTP and MAP |
| Figure 15a | Control Plane S4-SGSN - HSS |
| Figure 5.6.3.10-1 | Control Plane Gn/Gp-SGSN CSS |
| Figure 5.6.3.11-1 | Control Plane S4-SGSN-CSS |
| Figure 5.6.3.12-1 | Control Plane SGSN-RCAF |
| Figure 16 | Functional Mobility Management State Model |
| Figure 17 | PMM State Model |
| Figure 18 | CS Paging Procedure in A/Gb mode |
| Table 2 | Paging Channel Configuration in different Network Operation Modes for A/Gb mode without BSS paging co-ordination |
| Figure 19 | CS Paging Procedure in Iu mode |
| Table 3-1 | Network Operation Modes for Iu mode |
| Figure 20 | MS Information Procedure |
| Figure 21 | MM Information Procedure |
| Figure 22 | Combined GPRS / IMSI Attach Procedure |
| Figure 22A | Combined GPRS / IMSI Attach Procedure |
| Figure 22B | Combined GPRS / IMSI Attach Procedure |
| Figure 23 | MS-Initiated Combined GPRS / IMSI Detach Procedure |
| Figure 24 | SGSN-Initiated GPRS Detach Procedure |
| Figure 25 | HLR-Initiated GPRS Detach Procedure |
| Figure 25A | SGSN interaction when using S4 |
| Figure 26 | Purge Procedure |
| Figure 27 | GSM Authentication Procedure |
| Figure 28 | UMTS Authentication |
| Figure 29 | P-TMSI Reallocation Procedure |
| Figure 30 | Scope of Ciphering |
| Figure 31 | Identity Check Procedure |
| Figure 32 | Intra SGSN Routeing Area Update Procedure |
| Figure 33 | Inter SGSN Routeing Area Update Procedure |
| Figure 33a | Step 2 and 4 for Inter SGSN Routeing Area Update Procedure and Combined Inter SGSN RA / LA Update between S4-SGSNs |
| Figure 33b | Step 6 for Inter SGSN Routeing Area Update Procedure and Combined Inter SGSN RA / LA Update to S4-SGSNs |
| Figure 34 | Combined RA / LA Update in the Case of Intra SGSN RA Update Procedure |
| Figure 35 | Combined RA / LA Update in the Case of Inter SGSN RA Update Procedure |
| Figure 36 | Iu mode RA Update Procedure |
| Figure 36a | Step 2, 3 and 5 for Iu Mode Routeing Area Update Procedure between S4-SGSNs |
| Figure 36b | Step 9 for Iu Mode Routeing Area Update Procedure using S4 |
| Figure 37 | Before SRNS Relocation and Routeing Area Update |
| Figure 38 | After SRNS Relocation and Routeing Area Update |
| Figure 39 | SRNS Relocation Procedure |
| Figure 39a | Steps 9A) for Serving RNS Relocation Procedure, Combined Hard Handover and SRNS Relocation Procedure, and Combined Cell / URA Update and SRNS Relocation Procedure Using S4 |
| Figure 39b | Step 13 for Serving RNS Relocation Procedure, Combined Hard Handover and SRNS Relocation Procedure, and Combined Cell / URA Update and SRNS Relocation Procedure Using S4 |
| Figure 40 | Before Combined Hard Handover and SRNS Relocation and Routeing Area Update |
| Figure 41 | After Combined Hard Handover and SRNS Relocation and Routeing Area Update |
| Figure 42 | Combined Hard Handover and SRNS Relocation Procedure |
| Figure 43 | Combined Cell / URA Update and SRNS Relocation Procedure |
| Figure 44 | SRNS Cancel Relocation Procedure |
| Figure 44a1 | A) for SRNS Relocation Cancel Procedure Using S4 |
| Figure 44a2 | Enhanced Serving RNS Relocation |
| Figure 44b1 | Step 3 for Enhanced Serving RNS Relocation without Serving GW relocation using S4 |
| Figure 44b2 | Step 3 for Enhanced Serving RNS Relocation with Serving GW relocation using S4 |
| Figure 6.9.5-1 | UE Radio Capability Match Request |
| Figure 45 | Control Plane MS - Non-GSM MSC/VLR |
| Figure 46 | Uplink Tunnelling of non-GSM Signalling Messages Procedure |
| Figure 47 | Downlink Tunnelling of non-GSM Signalling Messages Procedure |
| Figure 48 | Insert Subscriber Data Procedure |
| Figure 49 | Delete Subscriber Data Procedure |
| Figure 49a | Insert CSG Subscriber Data Procedure |
| Figure 50 | MS Initiated Service Request Procedure using Gn/Gp |
| Figure 50a | UE Initiated Service Request Procedure using S4 |
| Figure 51 | Network Initiated Service Request Procedure |
| Figure 52 | Iu mode to A/Gb mode Intra SGSN Change |
| Figure 52-2 | step 6a for Iu mode to A/Gb mode Intra SGSN Change using S4 |
| Figure 53 | A/Gb mode to Iu mode Intra SGSN Change |
| Figure 53-2 | step 11 for A/Gb mode to Iu mode Intra-SGSN Change using S4 |
| Figure 54 | Iu mode to A/Gb mode Inter-SGSN Change |
| Figure 54-2 | steps 3, 5, 7, 9 for Iu mode to A/Gb mode Inter-SGSN Change using S4 |
| Figure 54-3 | step 10 for Iu mode to A/Gb mode Inter-SGSN Change using S4 |
| Figure 55 | A/Gb mode to Iu mode Inter SGSN Change |
| Figure 55-2 | steps 3, 4, 6, 7 for A/Gb mode to Iu mode Inter-SGSN Change using S4 |
| Figure 55-3 | step 8 for A/Gb mode to Iu mode Inter-SGSN Change using S4 |
| Figure 55-4 | step 10 for A/Gb mode to Iu mode Inter-SGSN Change using S4 |
| Figure 6.15-1 | UE Reachability Notification Request Procedure |
| Figure 6.15-2 | UE Activity Procedure |
| Figure 6.16-1 | Update CSG Location Procedure |
| Figure 6.17-1 | APN information retrieval procedure |
| Figure 55-5 | READY to STANDBY transition within the network using S4 |
| Figure 56 | GPRS Paging Procedure (A/Gb mode) |
| Figure 56a | Paging with no established user plane on S4 |
| Figure 56b | Paging Response with no established user plane on S4 |
| Figure 57 | RRC Modes, Main RRC States and Main Mode and State Transition |
| Figure 58 | PS Paging by SGSN (Iu mode) Without RRC Connection for CS |
| Figure 58a | Serving GW triggered paging with S4 |
| Figure 59 | PS Paging by SGSN (Iu mode) With RRC Connection for CS |
| Figure 60 | URA/GRA Paging Procedure |
| Figure 61 | Functional PDP State Model |
| Figure 62 | IPv6 Stateless Address Autoconfiguration Procedure |
| Figure 63 | PDP Context Activation Procedure for A/Gb mode |
| Figure 64 | PDP Context Activation Procedure for Iu mode |
| Figure 64a | PDP Context Activation Procedure steps (A) using S4 |
| Figure 64b | PDP Context Activation Procedure steps (B) using S4 |
| Figure 65 | Secondary PDP Context Activation Procedure for A/Gb mode |
| Figure 66 | Secondary PDP Context Activation Procedure for Iu mode |
| Figure 66a | Secondary PDP Context Activation Procedure using S4 |
| Figure 67 | Successful Network-Requested PDP Context Activation Procedure |
| Figure 68 | Protection Procedure |
| Figure 69 | Mobile User Activity Procedure |
| Figure 69b | Network Requested Secondary PDP Context Activation Procedure using Gn |
| Figure 69c | Network Requested Secondary PDP Context Activation Procedure using S4 |
| Figure 9.2.2.4-1 | S4-SGSN triggered Serving GW relocation |
| Figure 70a | SGSN-Initiated PDP Context Modification Procedure, A/Gb mode |
| Figure 70b | SGSN-Initiated PDP Context Modification Procedure, Iu mode |
| Figure 70c | Request part of SGSN-Initiated EPS Bearer Modification Procedure using S4 |
| Figure 70d | Update part of SGSN-Initiated EPS Bearer Modification Procedure using S4 |
| Figure 71a | GGSN-Initiated PDP Context Modification Procedure, A/Gb mode |
| Figure 71b | GGSN-Initiated PDP Context Modification Procedure, Iu mode |
| Figure 71c | PDN-GW-Initiated EPS Bearer Modification Procedure |
| Figure 72a | MS-Initiated PDP Context Modification Procedure, A/Gb mode |
| Figure 72b | MS-Initiated PDP Context Modification Procedure, Iu mode |
| Figure 72c | Request part of MS-Initiated Modification Procedure using S4 |
| Table 3-2 | TFT filter information elements per TFT operation |
| Table 3-3 | MS-initiated EPS bearer modification, MS_only mode |
| Table 3-4 | MS-initiated EPS bearer modification, MS/NW mode |
| Figure 72d | Execution part of MS-Initiated Modification Procedure using S4 |
| Figure 72e | Response part of MS-Initiated Modification Procedure using S4 |
| Figure 73 | RAN-initiated RAB Modification Procedure |
| Figure 74 | MS Initiated PDP Context Deactivation Procedure for A/Gb mode |
| Figure 75 | MS Initiated PDP Context Deactivation Procedure for Iu mode |
| Figure 4a | MS- and SGSN Initiated PDN connection Deactivation Procedure using S4 |
| Figure 74b | MS- and SGSN Initiated Bearer Deactivation Procedure using S4 |
| Figure 76 | SGSN-initiated PDP Context Deactivation Procedure |
| Figure 77 | GGSN-initiated PDP Context Deactivation Procedure |
| Figure 77a | PDN-GW initiated Bearer Deactivation Procedure using S4, part 1 |
| Figure 77b | PDN-GW initiated Bearer Deactivation Procedure using S4, part 2 |
| Figure 80 | Multiplexing of Network Protocols |
| Figure 81 | Sequential Invocation of SNDC Functionality |
| Figure 82 | A/Gb mode User Plane for PDP Type PPP |
| Figure 83 | Iu mode User Plane for PDP Type PPP |
| Figure 84 | BSSGP Protocol Position |
| Table 4 | Mapping of High-level Functions Across the Gb Architecture |
| Figure 85 | BSS Packet Flow Context Creation Procedure |
| Figure 86 | BSS-Initiated BSS Packet Flow Context Modification Procedure |
| Figure 86a | BSS-Initiated BSS Packet Flow Context Deletion Procedure |
| Figure 87 | SGSN-Initiated BSS Packet Flow Context Deletion Procedure |
| Figure 88a | RAB Release Procedure Using Gn/Gp |
| Figure 88b | RAB Release Procedure Using S4 |
| Figure 89a | Iu Release Procedure Using Gn/Gp |
| Figure 89b | Iu Release Procedure Using S4 |
| Figure 90a | RAB Assignment Procedure Using Gn/Gp |
| Figure 90b | RAB Assignment Procedure Using S4 |
| Figure 91 | Location Reporting Procedure |
| Figure 92 | Remote Packet Control Unit (PCU) Positions |
| Figure 93 | Subscription Data |
| Table 5 | HLR/HSS GPRS/EPS Subscription Data |
| Table 6 | SGSN MM and PDP/EPS Bearer Contexts |
| Table 6A | SGSN Emergency Configuration Data |
| Table 7 | GGSN PDP Context |
| Table 8 | MS MM and PDP Contexts |
| Table 9 | MSC/VLR Association |
| Table 10 | BSS Context |
| Table 11 | RNC/BSC Context |
| Figure 94 | Use of NSAPI and TLLI |
| Figure 95 | Use of NSAPI, RB Identity, and RAB ID |
| Figure 15.1.3-1 | Cell Update triggering a report of change in CGI |
| Figure 15.1.3-2 | Iu-mode Location report triggering a report of change in SAI |
| Figure 15.1.3-3 | User CSG Information Changes triggering a report of change in user CSG information |
| Figure 15.1.3-4 | Cell Update triggering a report of change in CGI, Iu-mode Location report triggering a report of change in SAI and User CSG information change triggering a report of change in user CSG information |
| Figure 15.1.3.3-1 | Reporting of Presence Reporting Area entering and leaving |
| Table 12 | Valid Packet Filter Attribute Combinations |
| Table 13 | Valid Combinations of APN Restriction |
| Figure 15.6-1 | IDLE mode handling for Gn/Gp connectivity |
| Figure 15.6-2 | IDLE mode handling for S4 connectivity |
| Figure 96 | Mobile-terminated SMS Transfer, Successful |
| Figure 97 | Mobile-terminated SMS Transfer, Unsuccessful |
| Figure 98 | Mobile-originated SMS Transfer, Successful |
| Figure 99 | Suspend and Resume Procedure for intra SGSN |
| Figure 100 | Suspend and Resume Procedure for inter-SGSN |
| Figure 101 | Suspend and Resume Procedure for intra-SGSN |
| Figure 102 | Suspend and Resume Procedure for inter-SGSN |
| Figure 103 | Resume of GPRS traffic at intra SGSN |
| Figure 104 | Resume of GPRS traffic at inter SGSN |
| Table A.1 | Gateway interface and protocol configurations |
| Figure A.1 | APN selection-Null Parameter present |
| Figure A.2 | APN selection-PDPtype(R) present |
| Figure A.3 | APN selection- APN(R) not present or PDPaddr(R) present |
| Figure A.4 | LIPA authorization |
| Figure A.5 | APN PLMN selection-APN from subscription or MS |
| Figure A.6 | APN PLMN selection-APN chosen by SGSN |
| Figure A.7 | APN selection-Dynamic stored PGW selection |
| Figure A.8 | APN DNS query |
| Figure B.1 | Selected IP Traffic Offload from Traffic Offload Function (TOF) deployed at Iu-PS |
| Figure C.1 | Overhead for MTU calculation |