【資料名稱】：ETSI TS 125 402 Synchronization in UTRAN Stage 2

【資料作者】：3GPP

【資料日期】：200907

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

Contents
Intellectual Property Rights ...............................................................................................................................2
Foreword............................................................................................................................................................2
Foreword............................................................................................................................................................5
1 Scope.......................................................................................................................................................6
2 References ...............................................................................................................................................6
3 Definitions, symbols and abbreviations ...................................................................................................7
3.1 Definitions.........................................................................................................................................................7
3.2 Symbols.............................................................................................................................................................7
3.3 Abbreviations ....................................................................................................................................................7
3.4 Specification Notations .....................................................................................................................................8
4 Synchronisation Issues .............................................................................................................................9
4.1 General ..............................................................................................................................................................9
4.2 Network Synchronisation ................................................................................................................................11
4.3 Node Synchronisation .....................................................................................................................................11
4.4 Transport Channel Synchronisation .................................................................................................................11
4.5 Radio Interface Synchronisation ......................................................................................................................11
4.6 Time Alignment Handling...............................................................................................................................12
4.7 Uplink Synchronisation ...................................................................................................................................12
5 Synchronisation Counters and Parameters .............................................................................................12
6 Node Synchronisation ............................................................................................................................16
6.1 General ............................................................................................................................................................16
6.1.1 RNC-Node B Node Synchronisation ..........................................................................................................16
6.1.2 Inter Node B Node Synchronisation ...........................................................................................................18
6.1.2.1 TDD Node B Synchronisation Ports .....................................................................................................18
6.1.2.2 TDD Inter Node B Node Synchronisation procedure [3.84Mcps TDD]...............................................21
6.1.2.2.1 Preliminary Phase...........................................................................................................................21
6.1.2.2.1A Frequency Acquisition Phase ..........................................................................................................22
6.1.2.2.1B Initial Phase ....................................................................................................................................22
6.1.2.2.2 Steady-State Phase..........................................................................................................................23
6.1.2.2.3 Late-Entrant Cells...........................................................................................................................23
6.1.2.3 TDD Inter Node B Node Synchronisation procedure [1.28Mcps TDD]...............................................23
6.1.2.3.1 Preliminary Phase...........................................................................................................................24
6.1.2.3.2 Initial Phase ....................................................................................................................................24
6.1.2.3.3 Steady-State Phase..........................................................................................................................25
6.1.2.3.3.1 Basic method.............................................................................................................................25
6.1.2.3.3.2 Extended method .......................................................................................................................25
6.1.2.3.4 Late-Entrant Cells...........................................................................................................................26
6.1.2.4 Node B synchronisation for 3.84Mcps TDD MBSFN IMB..................................................................27
7 Transport Channel Synchronisation .......................................................................................................27
7.1 General ............................................................................................................................................................27
7.2 Timing adjustment and Time of Arrival monitoring on Iub/Iur interfaces.......................................................28
8 Radio Interface Synchronisation ............................................................................................................31
8.1 General ............................................................................................................................................................31
8.2 FDD Radio Interface Synchronisation .............................................................................................................31
8.2.1 General.......................................................................................................................................................31
8.2.2 Neighbour cell list timing information........................................................................................................33
8.3 TDD Radio Interface Synchronisation .............................................................................................................33
8.3.1 General.......................................................................................................................................................33
8.3.2 Intercell Synchronisation ............................................................................................................................33
8.3.3 Multi Frame Synchronisation .....................................................................................................................34
8.3.4 Timing Advance for 3.84Mcps and 7.68Mcps TDD ..................................................................................34
8.3.4.1 Measurement of the timing deviation on the physical channels............................................................35
8.3.4.2 Assignment of correct timing advance value when establishing new channels ....................................35
8.3.4.2.1 Transition to CELL_DCH State ......................................................................................................35
8.3.4.2.2 When establishing an USCH in CELL_FACH state .......................................................................35
8.3.4.2.3 When establishing E-DCH in CELL_DCH state (E-DCH/HS-DSCH operation with no UL
DPCH) ............................................................................................................................................36
8.3.4.3 Update of timing advance value for channels in operation ...................................................................36
8.3.4.3.1 UE in CELL_DCH state ..................................................................................................................36
8.3.4.3.2 UE with USCH Traffic in CELL_FACH state ................................................................................36
8.3.4.4 Setting of timing advance value for target cell at handover ..................................................................37
8.3.4.4.1 General ...........................................................................................................................................37
8.3.4.4.2 Handover from TDD to TDD with synchronised cells ....................................................................37
8.3.4.4.3 Handover from FDD to TDD, Handover from other systems to TDD, or Handover from TDD
to TDD with unsynchronised cells ..................................................................................................37
8.3.5 UL Synchronisation for 1.28Mcps TDD.....................................................................................................37
8.3.5.1 ........................................................................................... The establishment of uplink synchronisation 37
8.3.5.1.1 Preparation of uplink synchronisation by downlink synchronisation ..............................................37
8.3.5.1.2 Establishment of uplink synchronisation.........................................................................................37
8.3.5.2. Maintenance of uplink synchronisation ................................................................................................38
9 Usage of Synchronisation Counters and Parameters to support Transport Channel and Radio
Interface Synchronisation......................................................................................................................38
9.1 General ............................................................................................................................................................38
9.2 Calculations performed in the UTRAN............................................................................................................41
9.2.1 UE in CELL_FACH/PCH state ..................................................................................................................41
9.2.2 UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL....................................................41
9.2.3 [FDD - UE changes from CELL_FACH/PCH state to CELL_DCH state: several RL's]...........................41
9.2.4 UE in CELL_DCH state: addition of a new RL or handover to a new cell ................................................41
9.2.5 Handover from other RAN to UMTS .........................................................................................................42
9.3 Calculations performed in the UE....................................................................................................................42
9.3.A UE in CELL_FACH/PCH state ..................................................................................................................42
9.3.1 UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL....................................................42
9.3.1A [FDD - UE changes from CELL_FACH/PCH to CELL_DCH state: several RL's] ...................................42
9.3.2 UE in CELL_DCH state: addition of a new RL or handover to a new cell ................................................42
9.4 Synchronisation of L1 configuration changes ..................................................................................................43
9.5 Examples of synchronisation counters during state transitions ........................................................................43
10 Time Alignment Handling......................................................................................................................47
11 MBMS related Transport Channel Synchronisation ..............................................................................48
11.1 General ............................................................................................................................................................48
11.2 FDD MBMS related Transport Channel Synchronisation................................................................................48
11.3 TDD MBMS related Transport Channel Synchronisation ...............................................................................49
11.4 Inter-Node B Synchronisation of MTCH Transmissions for IP Multicast .......................................................49
11.5 3.84Mcps TDD MBSFN IMB Transport Channel Synchronisation ................................................................50
Annex A (informative): Change history ...............................................................................................51
History .............................................................................................................................................................52


ts_125402v080100p-Synchronization in UTRAN.pdf (478.57 KB)