1、 ETSI TS 125 402 V5.2.0 (2003-06)Technical Specification Universal Mobile Telecommunications System (UMTS);Synchronisation in UTRAN;Stage 2(3GPP TS 25.402 version 5.2.0 Release 5)ETSI ETSI TS 125 402 V5.2.0 (2003-06) 1 3GPP TS 25.402 version 5.2.0 Release 5 Reference RTS/TSGR-0325402v520 Keywords UM
2、TS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document ca
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5、ments is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: editoretsi.org Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reprodu
6、ction in all media. European Telecommunications Standards Institute 2003. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Membe
7、rs. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TS 125 402 V5.2.0 (2003-06) 2 3GPP TS 25.402 version 5.2.0 Release 5 Intellectual Property Rights IPRs essential or potentially essential to the present document may have b
8、een declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards
9、“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other I
10、PRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to tech
11、nical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryfo
12、rm.asp . ETSI ETSI TS 125 402 V5.2.0 (2003-06) 3 3GPP TS 25.402 version 5.2.0 Release 5 Contents Intellectual Property Rights2 Foreword.2 Foreword.5 1 Scope 6 2 References 6 3 Definitions, symbols and abbreviations .7 3.1 Definitions7 3.2 Symbols7 3.3 Abbreviations .7 4 Synchronisation Issues .8 4.1
13、 General .8 4.2 Network Synchronisation .9 4.3 Node Synchronisation 10 4.4 Transport Channel Synchronisation .10 4.5 Radio Interface Synchronisation 10 4.6 Time Alignment Handling11 4.7 Uplink Synchronisation11 5 Synchronisation Counters and Parameters .11 6 Node Synchronisation 15 6.1 General .15 6
14、.1.1 RNC-Node B Node Synchronisation 15 6.1.2 Inter Node B Node Synchronisation .16 6.1.2.1 TDD Node B Synchronisation Ports .17 6.1.2.2 TDD Inter Node B Node Synchronisation procedure 3.84Mcps TDD.19 6.1.2.2.1 Preliminary Phase19 6.1.2.2.1A Frequency Acquisition Phase 20 6.1.2.2.1B Initial Phase .2
15、0 6.1.2.2.2 Steady-State Phase.20 6.1.2.2.3 Late-Entrant Cells21 6.1.2.3 TDD Inter Node B Node Synchronisation procedure 1.28Mcps TDD.21 6.1.2.3.1 Preliminary Phase22 6.1.2.3.2 Initial Phase .22 6.1.2.3.3 Steady-State Phase.22 6.1.2.3.3.1 Basic method23 6.1.2.3.3.2 Extended method .23 6.1.2.3.4 Late
16、-Entrant Cells24 7 Transport Channel Synchronisation .24 7.1 General .24 7.2 Timing adjustment and Time of Arrival monitoring on Iub/Iur interfaces.26 8 Radio Interface Synchronisation 29 8.1 General .29 8.2 FDD Radio Interface Synchronisation .29 8.2.1 General29 8.2.2 Neighbour cell list timing inf
17、ormation31 8.3 TDD Radio Interface Synchronisation .31 8.3.1 General31 8.3.2 Intercell Synchronisation 31 8.3.3 Multi Frame Synchronisation .32 8.3.4 Timing Advance for 3.84Mcps TDD32 8.3.4.1 Measurement of the timing deviation on the physical channels33 8.3.4.2 Assignment of correct timing advance
18、value when establishing new channels 33 ETSI ETSI TS 125 402 V5.2.0 (2003-06) 4 3GPP TS 25.402 version 5.2.0 Release 5 8.3.4.2.1 Transition to CELL_DCH State 33 8.3.4.2.2 When establishing an USCH in CELL_FACH state .33 8.3.4.3 Update of timing advance value for channels in operation .33 8.3.4.3.1 U
19、E in CELL_DCH state33 8.3.4.3.2 UE with USCH Traffic in CELL_FACH state 34 8.3.4.4 Setting of timing advance value for target cell at handover 34 8.3.4.4.1 General 34 8.3.4.4.2 Handover from TDD to TDD with synchronised cells34 8.3.4.4.3 Handover from FDD to TDD, Handover from other systems to TDD,
20、or Handover from TDD to TDD with unsynchronised cells 35 8.3.5 UL Synchronisation for 1.28Mcps TDD.35 8.3.5.1 The establishment of uplink synchronisation35 8.3.5.1.1 Preparation of uplink synchronisation by downlink synchronisation35 8.3.5.1.2 Establishment of uplink synchronisation.35 8.3.5.2. Main
21、tenance of uplink synchronisation 35 9 Usage of Synchronisation Counters and Parameters to support Transport Channel and Radio Interface Synchronisation.36 9.1 General .36 9.2 Calculations performed in the UTRAN39 9.2.1 UE in CELL_FACH/PCH state 39 9.2.2 UE changes from CELL_FACH/PCH state to CELL_D
22、CH state: 1 RL 39 9.2.3 FDD - UE changes from CELL_FACH/PCH state to CELL_DCH state: several RLs.39 9.2.4 UE in CELL_DCH state: addition of a new RL or handover to a new cell 39 9.2.5 Handover from other RAN to UMTS .39 9.3 Calculations performed in the UE 40 9.3.A UE in CELL_FACH/PCH state 40 9.3.1
23、 UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL 40 9.3.1A FDD - UE changes from CELL_FACH/PCH to CELL_DCH state: several RLs.40 9.3.2 UE in CELL_DCH state: addition of a new RL or handover to a new cell 40 9.4 Synchronisation of L1 configuration changes 41 9.5 Examples of synchronisatio
24、n counters during state transitions 41 10 Time Alignment Handling45 Annex A (informative): Change history .47 History 48 ETSI ETSI TS 125 402 V5.2.0 (2003-06) 5 3GPP TS 25.402 version 5.2.0 Release 5 Foreword This Technical Specification (TS) has been produced by the 3rdGeneration Partnership Projec
25、t (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in versi
26、on number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, correctio
27、ns, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 125 402 V5.2.0 (2003-06) 6 3GPP TS 25.402 version 5.2.0 Release 5 1 Scope The present document constitutes the stage 2 specification of different synchronisation mechan
28、isms in UTRAN and on Uu. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. For a speci
29、fic reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present d
30、ocument. 1 3GPP TS 25.401: “UTRAN Overall Description“. 2 3GPP TS 25.423: “UTRAN Iur Interface RNSAP Signalling“. 3 3GPP TS 25.433: “UTRAN Iub Interface NBAP Signalling“. 4 3GPP TS 25.435: “UTRAN Iub Interface User Plane Protocols for COMMON TRANSPORT CHANNEL Data Streams“. 5 3GPP TS 25.427: “Iub/Iu
31、r Interface User Plane Protocol for DCH Data Streams“. 6 TIA/EIA 422 B: “Electrical characteristics of balanced voltage digital interface circuits“. 7 3GPP TS 25.411: “UTRAN Iu Interface Layer 1“. 8 3GPP TS 25.421: “UTRAN Iur Interface Layer 1“. 9 3GPP TS 25.431: “UTRAN Iub Interface Layer 1“. 10 3G
32、PP TS 25.104: “UTRA (BS) FDD; Radio transmission and Reception“. 11 3GPP TS 25.211: “Physical channels and mapping of transport channels onto physical channels (FDD)“. 12 3GPP TS 25.223: “Spreading and modulation (TDD)“. 13 3GPP TS 25.215: “Physical layer - Measurements (FDD)“. 14 3GPP TS 25.225: “P
33、hysical layer - Measurements (TDD)“. 15 3GPP TS 25.123: “Requirements for Support of Radio Resource Management (TDD)“. 16 3GPP TS 25.224: “Physical Layer Procedures (TDD)“. 17 3GPP TS 25.105: “UTRA (BS) TDD, Radio transmission and Reception“. 18 ITU-T Recommendation G.811 (09/1997): “Timing Characte
34、ristics of Primary Reference Clocks“. 19 ITU-T Recommendation G.812 (06/1998): “Timing Requirements of Slave Clocks suitable for use as Node Clocks in Synchronization Network“. 20 ITU-T Recommendation G.813 (08/1996): “Timing Characteristics of SDH equipment slave clocks (SEC)“. ETSI ETSI TS 125 402
35、 V5.2.0 (2003-06) 7 3GPP TS 25.402 version 5.2.0 Release 5 21 ETSI EN 300 462-4-1(03/1998): “Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 4-1: Timing characteristics of slave clocks suitable for synchronization supply to Synchronous Digital Hierarchy (S
36、DH) and Plesiochronous Digital Hierarchy (PDH) equipment“. 22 ETSI EN 300 462-5-1 (09/1996):“Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 5-1: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment
37、“. 23 ETSI EN 300 462-7-1 (04/2001): “Transmission and Multiplexing (TM); Generic requirements for synchronization networks; Part 7-1: Timing characteristics of slave clocks suitable for synchronisation supply to equipment in local node applications“. 3 Definitions, symbols and abbreviations 3.1 Def
38、initions Network Synchronisation: generic concept that depicts the way of distributing a common frequency to all elements in a network Reference Timing Signal: timing signal of specified performance that can be used as a timing source for a slave clock Holdover mode: operating condition of a clock w
39、hich has lost its controlling reference input and is using stored data, acquired while in locked operation (that is while controlled by an external input reference), to control its output. The stored data are used to control phase and frequency variations, allowing the locked condition to be reprodu
40、ced within specifications. 3.2 Symbols No special symbols are defined in this document. 3.3 Abbreviations For the purposes of the present document, the following abbreviations apply: ACK (time alignment) acknowledgement BFN Node B Frame Number (counter) CFN Connection Frame Number (counter) CH Chann
41、el CN Core Network CPICH Common Pilot Channel CRNC Controlling RNC DL Down Link DCH Dedicated Channel DOFFFDDFDD Default DPCH Offset value DOFFTDDTDD Default DPCH Offset value DPCH Dedicated Physical Channel DPCCH Dedicated Physical Control Channel DRNC Drift RNC DSCH Downlink Shared Channel FACH Fo
42、rward Access Channel FDD Frequency Division Duplex GPS Global Positioning SystemHO Handover LTOA Latest Time of Arrival L1 Layer 1L2 Layer 2MAC Medium Access Control ETSI ETSI TS 125 402 V5.2.0 (2003-06) 8 3GPP TS 25.402 version 5.2.0 Release 5 NACK (time alignment) negative acknowledgement PCCPCH P
43、rimary Common Control Physical Channel PCH Paging Channel PDU Packet Data Unit PUSCH Physical Uplink Shared Channel RAB Radio Access Bearer RACH Random Access Channel RAN Radio Access Network RFN RNC Frame Number (counter) RL Radio Link RNC Radio Network Controller RNS Radio Network Subsystem RRC Ra
44、dio Resource Control SAP Service Access Point SCH Synchronisation Channel SFN Cell System Frame Number (counter) SRNC Serving RNC SRNS Serving RNS TBS Transport Block SetTDD Time Division Duplex TOA Time Of Arrival TOAWE Time Of Arrival Window Endpoint TOAWS Time Of Arrival Window Startpoint TTI Tim
45、e Transmission Interval UE User Equipment UL Up Link UMTS Universal Mobile Telecommunications System USCH Uplink Shared CHannel UTRAN UMTS Terrestrial Radio Access Network 4 Synchronisation Issues 4.1 General This clause identifies the different UTRAN synchronisation issues, i.e.: - Network Synchron
46、isation; - Node Synchronization; - Transport Channel Synchronisation; - Radio Interface Synchronisation; - Time Alignment Handling; - Uplink Synchronisation. The Nodes involved by the above mentioned synchronisation issues (with the exception of Network and Node Synchronisation) are shown by the Syn
47、chronisation Issues Model of Figure 1. ETSI ETSI TS 125 402 V5.2.0 (2003-06) 9 3GPP TS 25.402 version 5.2.0 Release 5 TimeAlignmentHandlingTransportChannelSynchronisationRadioInterfaceSynchronisationNodeBRNCVocoderNodeBNodeBNodeBNodeBRNSUTRANCNUE1UE2RNCOptional TDD only input TS 25.104 “UTRA (BS) FD
48、D; Radio transmission and reception“, subclause 6.3; TS 25.105 “UTRA (BS) TDD, Radio transmission and reception“, subclause 6.3. - RNC-Node B Node Synchronisation: TS 25.427 “Iub/Iur Interface User Plane Protocol for DCH Data Streams“, subclause 5.5; TS 25.435 “UTRAN Iub Interface User Plane Protoco
49、ls for COMMON TRANSPORT CHANNEL Data Streams“, subclause 5.2. - Transport Channel Synchronisation: TS 25.427 “Iub/Iur Interface User Plane Protocol for DCH Data Streams“, subclauses 5.2 5.3; TS 25.435 “UTRAN Iub Interface User Plane Protocols for COMMON TRANSPORT CHANNEL Data Streams“, subclauses 5.3 5.4. - Time Alignment Handling: TS 25.415 “UTRAN Iu Interface User Plane Protocols“, subclauses 6.5.4. 4.2 Network Synchronisation Network Synchronisation relates to the distribution of synchronisation references to
