Content for TR 25.931 Word version: 16.0.0
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
3 Definitions, abbreviations and notation Word‑p. 8
3.1 Definitions
3.2 Abbreviations
3.3 Notation for the signalling procedures Word‑p. 10
3.4 Other Notations Word‑p. 11
4 UTRAN and UE protocol Architecture Word‑p. 12
4.1 Protocol Architecture
4.2 RANAP Procedures & Messages
4.3 SABP Procedures & Messages Word‑p. 14
4.4 RNSAP Procedures & Messages
4.5 NBAP Procedures & Messages Word‑p. 16
4.6 ALCAP Word‑p. 18
4.7 RRC Procedures & Messages
4.8 BMC Procedures & Messages Word‑p. 20
4.9 DCH Frame Protocol Messages
4.10 DSCH Frame Protocol Messages
4.11 USCH Frame Protocol Messages
5 UTRAN Signalling Procedures
6 Procedures not related to a specific UE (global procedures) Word‑p. 21
7 Procedures related to a specific UE Word‑p. 22
7.1 Paging
7.1.1 Paging for a UE in RRC Idle Mode and RRC connected mode (CELL_PCH and URA_PCH states)
7.1.2 Paging for a UE in RRC Connected Mode (CELL_DCH and CELL_FACH states) Word‑p. 23
7.2 NAS Signalling Connection Establishment Word‑p. 24
7.3 RRC Connection Establishment
7.3.1 DCH Establishment
7.3.2 RACH/FACH Establishment Word‑p. 26
7.3.3 DCH Establishment with Pre-emption
7.4 RRC Connection Release Word‑p. 28
7.5 RRC Connection Re-establishment
7.6 Radio Access Bearer Establishment Word‑p. 32
7.6.1 DCH - DCH Establishment - Synchronised
7.6.2 DCH - DCH Establishment - Unsynchronised Word‑p. 34
7.6.3 RACH/FACH - DCH Establishment Word‑p. 36
7.6.4 RACH/FACH - RACH/FACH Establishment Word‑p. 37
7.7 Radio Access Bearer Release Word‑p. 38
7.7.1 DCH - DCH Release - Synchronised
7.7.2 DCH - DCH Release - Unsynchronised Word‑p. 40
7.7.4 RACH/FACH - RACH/FACH Release Word‑p. 41
7.8 Radio Access Bearer Modification Word‑p. 42
7.8.1 DCCH on DCH - Synchronised
7.8.1.1 Synchronised DCH modification, Bandwidth increase Word‑p. 43
7.8.1.2 Synchronised DCH modification, Bandwidth decrease Word‑p. 45
7.8.2 DCCH on RACH/FACH Word‑p. 46
7.9 Physical Channel Reconfiguration Word‑p. 47
7.9.1 Physical Channel Reconfiguration (DCH)
7.9.2 Physical Channel Reconfiguration (CRNC Controlled) Word‑p. 49
7.10 Soft Handover [FDD]
7.10.1 Radio Link Addition (Branch Addition) Word‑p. 50
7.10.2 Radio link Deletion (Branch Deletion) Word‑p. 51
7.10.3 Radio link Addition & Deletion (Branch Addition & Deletion - simultaneously) Word‑p. 52
7.10.4 DSCH Mobility Procedure in Soft Handover (Moving DSCH within the Active Set) Word‑p. 53
7.10.5 HS-DSCH Mobility Procedures Word‑p. 54
7.11 Hard Handover Word‑p. 56
7.11.1 Backward Hard Handover
7.11.1.1 Hard Handover via Iur (DCH State)
7.11.1.2 Hard Handover with switching in the CN (UE connected to two CN nodes, DCH state) Word‑p. 60
7.11.1.3 Inter-Node B synchronised serving HS-DSCH cell change at hard handover Word‑p. 64
7.11.2 Forward Hard Handover Word‑p. 69
7.11.2.1 Cell Update
7.11.2.1.1 Using Cell Update with SRNS relocation
7.11.2.1.2 Using Enhanced SRNS Relocation Word‑p. 70
7.11.2.2 Cell Update via Iur without SRNS relocation
7.11.2.3 Cell Update via Iur without SRNS relocation (with C-RNTI reallocation) Word‑p. 72
7.11.2.4 Cell Update via Iur with USCH/DSCH, without SRNS relocation [TDD]
7.12 URA Update Word‑p. 74
7.12.1 Inter-RNS URA Update
7.12.1.1 Inter-RNS URA Update using SRNS Relocation
7.12.1.2 Using Enhanced SRNS Relocation Word‑p. 75
7.12.2 Inter-RNS URA Update via Iur without SRNS relocation Word‑p. 76
7.12.3 SRNS Relocation (UE connected to two CN nodes) Word‑p. 77
7.13 HO & Cell Reselection between UTRAN and GSM/BSS Word‑p. 81
7.13.1 UTRAN → GSM/BSS
7.13.1.1 UTRAN → GSM/BSS
7.13.1.2 Service Based Intersystem Handover Word‑p. 83
7.13.1.3 Directed Retry Word‑p. 84
7.13.2 GSM/BSS → UTRAN Word‑p. 85
7.13.3 GPRS → UMTS Cell Reselection Word‑p. 86
7.13.4 UMTS → GPRS Cell Reselection, UE Initiated
7.13.5 UMTS → GPRS Cell Reselection, Network Initiated Word‑p. 87
7.14 Transport Channel Reconfiguration (DCH to DCH) Word‑p. 88
7.14.1 Synchronised Transport Channel Reconfiguration
7.14.1.1 Synchronised Reconfiguration, Q.2630.2 modification procedure not used Word‑p. 89
7.14.1.2 Synchronised Reconfiguration, Bandwidth Increase with Q.2630.2 modification procedure Word‑p. 90
7.14.1.3 Synchronised Reconfiguration, Bandwidth Decrease with Q.2630.2 modification procedure Word‑p. 92
7.14.2 Unsynchronised Transport Channel Reconfiguration Word‑p. 93
7.15 Direct Transfer Word‑p. 96
7.16 Downlink Power Control [FDD]
7.17 Shared Channels Configuration and Capacity Allocation Word‑p. 98
7.17.1 USCH/DSCH Configuration and Capacity Allocation [TDD]
7.17.2 HS-DSCH Configuration and Capacity Allocation Word‑p. 100
7.18 Channel and Mobile State Switching on Iur Word‑p. 101
7.18.1 General Description
7.18.2 Switching from Cell_FACH to Cell_DCH State
7.18.3 Switching from Cell_DCH to Cell_FACH State Word‑p. 103
7.19 MBMS Specific Procedures Word‑p. 105
7.19.1 MBMS Service Activation
7.19.2 MBMS Session Start Word‑p. 107
7.19.2a MBMS Session Start for UE in Cell-DCH in DRNC Word‑p. 109
7.19.3 MBMS UE Mobility from a PTP to PTM cell Word‑p. 111
7.19.4 MBMS UE Mobility from PTM cell to PTP cell Word‑p. 113
7.19.5 MBMS Session Stop and Service termination Word‑p. 114
7.19.6 RAU during MBMS Session Word‑p. 117
7.20 E-DCH Specific Scenarios Word‑p. 118
7.20.1 E-DCH Establishment and EDCH TTI Reconfiguration
7.20.1.1 FDD
7.20.1.2 TDD Word‑p. 120
7.20.2 Soft Handover [FDD] Word‑p. 122
7.20.3 Intra-Node B synchronised serving E-DCH cell change [FDD] Word‑p. 123
7.20.4 Inter-Node B (intra DRNC) synchronised serving E-DCH cell change [FDD] Word‑p. 124
7.20.5 Hard Handover Word‑p. 126
$ Change History Word‑p. 130
