[local]1[/local]【資料名稱】：3GPP TS 25.402 V4.6.0

【資料作者】：3gpp

【資料日期】：2002

【資料語言】：英文

【資料格式】：DOC

【資料目錄和簡(jiǎn)介】：

3rd Generation Partnership Project;
Technical Specification Group Radio Access Network;
Synchronisation in UTRAN Stage 2
(Release 4)


Contents
Foreword5
1Scope6
2References6
3Definitions, symbols and abbreviations7
3.1Definitions7
3.2Symbols7
3.3Abbreviations7
4Synchronisation Issues8
4.1General8
4.2Network Synchronisation9
4.3Node Synchronisation10
4.4Transport Channel Synchronisation10
4.5Radio Interface Synchronisation10
4.6Time Alignment Handling11
4.7Uplink Synchronisation11
5Synchronisation Counters and Parameters11
6Node Synchronisation15
6.1General15
6.1.1RNC-Node B Node Synchronisation15
6.1.2Inter Node B Node Synchronisation16
6.1.2.1TDD Node B Synchronisation Ports17
6.1.2.2TDD Inter Node B Node Synchronisation procedure [3.84Mcps TDD]19
6.1.2.2.1Preliminary Phase19
6.1.2.2.1AFrequency Acquisition Phase20
6.1.2.2.1BInitial Phase20
6.1.2.2.2Steady-State Phase20
6.1.2.2.3Late-Entrant Cells21
7Transport Channel Synchronisation21
7.1General21
7.2Timing adjustment and Time of Arrival monitoring on Iub/Iur interfaces23
8Radio Interface Synchronisation26
8.1General26
8.2FDD Radio Interface Synchronisation26
8.2.1General26
8.2.2Neighbour cell list timing information28
8.3TDD Radio Interface Synchronisation28
8.3.1General28
8.3.2Intercell Synchronisation28
8.3.3Multi Frame Synchronisation29
8.3.4Timing Advance for 3.84Mcps TDD29
8.3.4.1Measurement of the timing deviation on the physical channels29
8.3.4.2Assignment of correct timing advance value when establishing new channels30
8.3.4.2.1Transition to CELL_DCH State30
8.3.4.2.2When establishing an USCH in CELL_FACH state30
8.3.4.3Update of timing advance value for channels in operation30
8.3.4.3.1UE in CELL_DCH state30
8.3.4.3.2UE with USCH Traffic in CELL_FACH state31
8.3.4.4Setting of timing advance value for target cell at handover31
8.3.4.4.1General31
8.3.4.4.2Handover from TDD to TDD with synchronised cells31
8.3.4.4.3Handover from FDD to TDD, Handover from other systems to TDD, or Handover from TDD to TDD with unsynchronised cells31
8.3.5UL Synchronisation for 1.28Mcps TDD32
8.3.5.1The establishment of uplink synchronisation32
8.3.5.1.1Preparation of uplink synchronisation by downlink synchronisation32
8.3.5.1.2Establishment of uplink synchronisation32
8.3.5.2.Maintenance of uplink synchronisation32
9Usage of Synchronisation Counters and Parameters to support Transport Channel and Radio Interface Synchronisation33
9.1General33
9.2Calculations performed in the UTRAN35
9.2.1UE in CELL_FACH/PCH state35
9.2.2UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL35
9.2.3[FDD - UE changes from CELL_FACH/PCH state to CELL_DCH state: several RL's]35
9.2.4UE in CELL_DCH state: addition of a new RL or handover to a new cell36
9.2.5Handover from other RAN to UMTS36
9.3Calculations performed in the UE36
9.3.AUE in CELL_FACH/PCH state36
9.3.1UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL36
9.3.1A[FDD - UE changes from CELL_FACH/PCH to CELL_DCH state: several RL's]36
9.3.2UE in CELL_DCH state: addition of a new RL or handover to a new cell37
9.4Synchronisation of L1 configuration changes37
9.5Examples of synchronisation counters during state transitions38
10Time Alignment Handling42
Annex A (informative):Change history43