Content for TR 25.931 Word version: 18.0.0
2 References
3 Definitions, abbreviations and notation
4 UTRAN and UE protocol Architecture
5 UTRAN Signalling Procedures
6 Procedures not related to a specific UE (global procedures)
7 Procedures related to a specific UE
$ Change History
2 References p. 7
3 Definitions, abbreviations and notation p. 8
3.1 Definitions p. 8
3.2 Abbreviations p. 8
3.3 Notation for the signalling procedures p. 10
3.4 Other Notations p. 11
4 UTRAN and UE protocol Architecture p. 12
4.1 Protocol Architecture p. 12
4.2 RANAP Procedures & Messages p. 12
4.3 SABP Procedures & Messages p. 14
4.4 RNSAP Procedures & Messages p. 14
4.5 NBAP Procedures & Messages p. 16
4.6 ALCAP p. 18
4.6.1 Q.2630.2 (Q.AAL2) p. 18
4.7 RRC Procedures & Messages p. 18
4.8 BMC Procedures & Messages p. 20
4.9 DCH Frame Protocol Messages p. 20
4.10 DSCH Frame Protocol Messages p. 20
4.11 USCH Frame Protocol Messages p. 20
5 UTRAN Signalling Procedures p. 20
6 Procedures not related to a specific UE (global procedures) p. 21
7 Procedures related to a specific UE p. 22
7.1 Paging p. 22
7.1.1 Paging for a UE in RRC Idle Mode and RRC connected mode (CELL_PCH and URA_PCH states) p. 22
7.1.2 Paging for a UE in RRC Connected Mode (CELL_DCH and CELL_FACH states) p. 23
7.2 NAS Signalling Connection Establishment p. 24
7.3 RRC Connection Establishment p. 24
7.3.1 DCH Establishment p. 24
7.3.2 RACH/FACH Establishment p. 26
7.3.3 DCH Establishment with Pre-emption p. 26
7.4 RRC Connection Release p. 28
7.5 RRC Connection Re-establishment p. 29
7.6 Radio Access Bearer Establishment p. 32
7.6.1 DCH - DCH Establishment - Synchronised p. 32
7.6.2 DCH - DCH Establishment - Unsynchronised p. 34
7.6.3 RACH/FACH - DCH Establishment p. 36
7.6.4 RACH/FACH - RACH/FACH Establishment p. 37
7.7 Radio Access Bearer Release p. 38
7.7.1 DCH - DCH Release - Synchronised p. 38
7.7.2 DCH - DCH Release - Unsynchronised p. 40
7.7.4 RACH/FACH - RACH/FACH Release p. 41
7.8 Radio Access Bearer Modification p. 42
7.8.1 DCCH on DCH - Synchronised p. 42
7.8.1.1 Synchronised DCH modification, Bandwidth increase p. 43
7.8.1.2 Synchronised DCH modification, Bandwidth decrease p. 45
7.8.2 DCCH on RACH/FACH p. 46
7.9 Physical Channel Reconfiguration p. 47
7.9.1 Physical Channel Reconfiguration (DCH) p. 47
7.9.2 Physical Channel Reconfiguration (CRNC Controlled) p. 49
7.10 Soft Handover [FDD] p. 49
7.10.1 Radio Link Addition (Branch Addition) p. 50
7.10.2 Radio link Deletion (Branch Deletion) p. 51
7.10.3 Radio link Addition & Deletion (Branch Addition & Deletion - simultaneously) p. 52
7.10.4 DSCH Mobility Procedure in Soft Handover (Moving DSCH within the Active Set) p. 53
7.10.5 HS-DSCH Mobility Procedures p. 54
7.11 Hard Handover p. 56
7.11.1 Backward Hard Handover p. 56
7.11.1.1 Hard Handover via Iur (DCH State) p. 56
7.11.1.2 Hard Handover with switching in the CN (UE connected to two CN nodes, DCH state) p. 60
7.11.1.3 Inter-Node B synchronised serving HS-DSCH cell change at hard handover p. 64
7.11.2 Forward Hard Handover p. 69
7.11.2.1 Cell Update p. 69
7.11.2.1.1 Using Cell Update with SRNS relocation p. 69
7.11.2.1.2 Using Enhanced SRNS Relocation p. 70
7.11.2.2 Cell Update via Iur without SRNS relocation p. 70
7.11.2.3 Cell Update via Iur without SRNS relocation (with C-RNTI reallocation) p. 72
7.11.2.4 Cell Update via Iur with USCH/DSCH, without SRNS relocation [TDD] p. 72
7.12 URA Update p. 74
7.12.1 Inter-RNS URA Update p. 74
7.12.1.1 Inter-RNS URA Update using SRNS Relocation p. 74
7.12.1.2 Using Enhanced SRNS Relocation p. 75
7.12.2 Inter-RNS URA Update via Iur without SRNS relocation p. 76
7.12.3 SRNS Relocation (UE connected to two CN nodes) p. 77
7.13 HO & Cell Reselection between UTRAN and GSM/BSS p. 81
7.13.1 UTRAN → GSM/BSS p. 81
7.13.1.1 UTRAN → GSM/BSS p. 81
7.13.1.2 Service Based Intersystem Handover p. 83
7.13.1.3 Directed Retry p. 84
7.13.2 GSM/BSS → UTRAN p. 85
7.13.3 GPRS → UMTS Cell Reselection p. 86
7.13.4 UMTS → GPRS Cell Reselection, UE Initiated p. 86
7.13.5 UMTS → GPRS Cell Reselection, Network Initiated p. 87
7.14 Transport Channel Reconfiguration (DCH to DCH) p. 88
7.14.1 Synchronised Transport Channel Reconfiguration p. 88
7.14.1.1 Synchronised Reconfiguration, Q.2630.2 modification procedure not used p. 89
7.14.1.2 Synchronised Reconfiguration, Bandwidth Increase with Q.2630.2 modification procedure p. 90
7.14.1.3 Synchronised Reconfiguration, Bandwidth Decrease with Q.2630.2 modification procedure p. 92
7.14.2 Unsynchronised Transport Channel Reconfiguration p. 93
7.15 Direct Transfer p. 96
7.16 Downlink Power Control [FDD] p. 97
7.17 Shared Channels Configuration and Capacity Allocation p. 98
7.17.1 USCH/DSCH Configuration and Capacity Allocation [TDD] p. 98
7.17.2 HS-DSCH Configuration and Capacity Allocation p. 100
7.18 Channel and Mobile State Switching on Iur p. 101
7.18.1 General Description p. 101
7.18.2 Switching from Cell_FACH to Cell_DCH State p. 101
7.18.3 Switching from Cell_DCH to Cell_FACH State p. 103
7.19 MBMS Specific Procedures p. 105
7.19.1 MBMS Service Activation p. 105
7.19.2 MBMS Session Start p. 107
7.19.2a MBMS Session Start for UE in Cell-DCH in DRNC p. 109
7.19.3 MBMS UE Mobility from a PTP to PTM cell p. 111
7.19.4 MBMS UE Mobility from PTM cell to PTP cell p. 113
7.19.5 MBMS Session Stop and Service termination p. 114
7.19.6 RAU during MBMS Session p. 117
7.20 E-DCH Specific Scenarios p. 118
7.20.1 E-DCH Establishment and EDCH TTI Reconfiguration p. 118
7.20.1.1 FDD p. 118
7.20.1.2 TDD p. 120
7.20.2 Soft Handover [FDD] p. 122
7.20.3 Intra-Node B synchronised serving E-DCH cell change [FDD] p. 123
7.20.4 Inter-Node B (intra DRNC) synchronised serving E-DCH cell change [FDD] p. 124
7.20.5 Hard Handover p. 126
$ Change History p. 130
