1、 ETSI TS 125 402 V14.0.0 (2017-04) Universal Mobile Telecommunications System (UMTS); Synchronisation in UTRAN Stage 2 (3GPP TS 25.402 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 125 402 V14.0.0 (2017-04)13GPP TS 25.402 version 14.0.0 Release 14Reference RTS/TSGR-0325402ve00 Keyw
2、ords UMTS 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 The present document can be downloade
3、d from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or
4、 perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to
5、 revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/
6、CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the writ
7、ten authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPT
8、M and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 125 402 V14.0.0 (2017-04)23GPP TS 25.402 version 14.0.0 Release 14Intellectual Property
9、Rights IPRs essential or potentially essential to the present document may have been 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); Essent
10、ial, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried ou
11、t by ETSI. No guarantee can be given as to the existence of other IPRs 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
12、 Partnership Project (3GPP). The present document may refer to technical 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 E
13、TSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rul
14、es (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 125 402 V14.0.0 (2017-04)33GPP TS 25.402 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs termin
15、ology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Symbols 7g33.3 Abbreviations . 7g33.4 Specification Notations 8g34 Synchronisation Issues . 10g34.1 General . 10g34.2 Network Synchronisation . 11g34.3 Node Synchronisation 11g34.4
16、Transport Channel Synchronisation . 11g34.5 Radio Interface Synchronisation 12g34.6 Time Alignment Handling 12g34.7 Uplink Synchronisation 12g35 Synchronisation Counters and Parameters . 12g36 Node Synchronisation 16g36.1 General . 16g36.1.1 RNC-Node B Node Synchronisation 16g36.1.2 Inter Node B Nod
17、e Synchronisation . 18g36.1.2.1 TDD Node B Synchronisation Ports . 18g36.1.2.2 TDD Inter Node B Node Synchronisation procedure 3.84Mcps TDD . 21g36.1.2.2.1 Preliminary Phase 21g36.1.2.2.1A Frequency Acquisition Phase 22g36.1.2.2.1B Initial Phase . 22g36.1.2.2.2 Steady-State Phase . 23g36.1.2.2.3 Lat
18、e-Entrant Cells 23g36.1.2.3 TDD Inter Node B Node Synchronisation procedure 1.28Mcps TDD . 23g36.1.2.3.1 Preliminary Phase 24g36.1.2.3.2 Initial Phase . 24g36.1.2.3.3 Steady-State Phase . 25g36.1.2.3.3.1 Basic method 25g36.1.2.3.3.2 Extended method . 25g36.1.2.3.4 Late-Entrant Cells 26g36.1.2.4 Node
19、 B synchronisation for 3.84Mcps TDD MBSFN IMB 27g37 Transport Channel Synchronisation . 27g37.1 General . 27g37.2 Timing adjustment and Time of Arrival monitoring on Iub/Iur interfaces . 28g38 Radio Interface Synchronisation 31g38.1 General . 31g38.2 FDD Radio Interface Synchronisation . 31g38.2.1 G
20、eneral 31g38.2.2 Neighbour cell list timing information 33g38.3 TDD Radio Interface Synchronisation . 33g38.3.1 General 33g38.3.2 Intercell Synchronisation 33g38.3.3 Multi Frame Synchronisation . 34g3ETSI ETSI TS 125 402 V14.0.0 (2017-04)43GPP TS 25.402 version 14.0.0 Release 148.3.4 Timing Advance
21、for 3.84Mcps and 7.68Mcps TDD 34g38.3.4.1 Measurement of the timing deviation on the physical channels 35g38.3.4.2 Assignment of correct timing advance value when establishing new channels 35g38.3.4.2.1 Transition to CELL_DCH State 35g38.3.4.2.2 When establishing an USCH in CELL_FACH state . 36g38.3
22、.4.2.3 When establishing E-DCH in CELL_DCH state (E-DCH/HS-DSCH operation with no UL DPCH) . 36g38.3.4.3 Update of timing advance value for channels in operation . 36g38.3.4.3.1 UE in CELL_DCH state 36g38.3.4.3.2 UE with USCH Traffic in CELL_FACH state 36g38.3.4.4 Setting of timing advance value for
23、 target cell at handover 37g38.3.4.4.1 General 37g38.3.4.4.2 Handover from TDD to TDD with synchronised cells 37g38.3.4.4.3 Handover from FDD to TDD, Handover from other systems to TDD, or Handover from TDD to TDD with unsynchronised cells 37g38.3.5 UL Synchronisation for 1.28Mcps TDD . 37g38.3.5.1
24、The establishment of uplink synchronisation 37g38.3.5.1.1 Preparation of uplink synchronisation by downlink synchronisation 37g38.3.5.1.2 Establishment of uplink synchronisation . 38g38.3.5.2. Maintenance of uplink synchronisation 38g39 Usage of Synchronisation Counters and Parameters to support Tra
25、nsport Channel and Radio Interface Synchronisation . 38g39.1 General . 38g39.2 Calculations performed in the UTRAN 41g39.2.1 UE in CELL_FACH/PCH state 41g39.2.2 UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL 41g39.2.3 FDD - UE changes from CELL_FACH/PCH state to CELL_DCH state: several
26、RLs . 41g39.2.4 UE in CELL_DCH state: addition of a new RL or handover to a new cell 41g39.2.5 Handover from other RAN to UMTS . 42g39.3 Calculations performed in the UE 42g39.3.A UE in CELL_FACH/PCH state 42g39.3.1 UE changes from CELL_FACH/PCH state to CELL_DCH state: 1 RL 42g39.3.1A FDD - UE chan
27、ges from CELL_FACH/PCH to CELL_DCH state: several RLs . 42g39.3.2 UE in CELL_DCH state: addition of a new RL or handover to a new cell 42g39.4 Synchronisation of L1 configuration changes 43g39.5 Examples of synchronisation counters during state transitions 43g310 Time Alignment Handling 47g311 MBMS
28、related Transport Channel Synchronisation 48g311.1 General . 48g311.2 FDD MBMS related Transport Channel Synchronisation 48g311.3 TDD MBMS related Transport Channel Synchronisation . 49g311.4 Inter-Node B Synchronisation of MTCH Transmissions for IP Multicast . 49g311.5 3.84Mcps TDD MBSFN IMB Transp
29、ort Channel Synchronisation 50g3Annex A (informative): Change history . 51g3History 52g3ETSI ETSI TS 125 402 V14.0.0 (2017-04)53GPP TS 25.402 version 14.0.0 Release 14Foreword This Technical Specification (TS) has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the pre
30、sent 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 version number as follows: Version x.y
31、.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, corrections, updates, etc. z the third dig
32、it is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 125 402 V14.0.0 (2017-04)63GPP TS 25.402 version 14.0.0 Release 141 Scope The present document constitutes the stage 2 specification of different synchronisation mechanisms in UTRAN and on Uu. 2 Refere
33、nces The following documents contain provisions which, through reference in this text, constitute provisions of the present document. uni25CF References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. uni25CF For a specific reference, su
34、bsequent revisions do not apply. uni25CF 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 document.
35、1 3GPP TS 25.401: “UTRAN overall description“. 2 3GPP TS 25.423: “UTRAN Iur interface Radio Network Subsystem Application Part (RNSAP) signalling“. 3 3GPP TS 25.433: “UTRAN Iub interface Node B Application Part (NBAP) signalling“. 4 3GPP TS 25.435: “UTRAN Iub interface user plane protocols for Commo
36、n Transport Channel data streams“. 5 3GPP TS 25.427: “UTRAN Iub/Iur 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 interfac
37、e layer 1“. 9 3GPP TS 25.431: “UTRAN Iub interface layer 1“. 10 3GPP TS 25.104: “Base Station (BS) radio transmission and reception (FDD)“. 11 Void. 12 3GPP TS 25.223: “Spreading and modulation (TDD)“. 13 3GPP TS 25.215: “Physical layer; Measurements (FDD)“. 14 3GPP TS 25.225: “Physical layer; Measu
38、rements (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: “Base Station (BS) radio transmission and reception (TDD)“. 18 ITU-T Recommendation G.811 (1997-09): “Timing Characteristics of P
39、rimary Reference Clocks“. 19 ITU-T Recommendation G.812 (1998-06): “Timing Requirements of Slave Clocks suitable for use as Node Clocks in Synchronization Network“. 20 ITU-T Recommendation G.813 (1996-08): “Timing Characteristics of SDH equipment slave clocks (SEC)“. ETSI ETSI TS 125 402 V14.0.0 (20
40、17-04)73GPP TS 25.402 version 14.0.0 Release 1421 ETSI EN 300 462-4-1(1998-03): “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 (SDH) and Ples
41、iochronous Digital Hierarchy (PDH) equipment“. 22 ETSI EN 300 462-5-1 (1996-09):“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“. 23 ETSI E
42、N 300 462-7-1 (2001-04): “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“. 24 3GPP TS 25.212: “Multiplexing and channel coding (FDD)“.
43、25 3GPP TS 25.222: “Multiplexing and channel coding (TDD)“. 26 3GPP TS 25.321: “Medium Access Control (MAC) protocol specification“. 27 3GPP TS 25.415: “UTRAN Iu interface user plane protocols“. 3 Definitions, symbols and abbreviations 3.1 Definitions Network Synchronisation: generic concept that de
44、picts 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 which has lost its controlling reference input and is usin
45、g 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 reproduced within specifications. 3.2 Symbols No special symbols
46、 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 Channel CN Core Network CPICH Common Pilot Channel CRNC Contro
47、lling 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 Forward Access ChannelETSI ETSI TS 125 402 V14.0.0 (2017-04
48、)83GPP TS 25.402 version 14.0.0 Release 14FDD Frequency Division Duplex F-DPCH Fractional DPCH GPS Global Positioning System HO Handover IMB Integrated Mobile Broadcast LTOA Latest Time of Arrival L1 Layer 1L2 Layer 2MAC Medium Access Control MBMS Multimedia Broadcast Multicast Service MBSFN Multica
49、st/Broadcast over a Single Frequency Network MCCH MBMS point-to-multipoint Control Channel MFN Multicast Frame Number (counter) MTCH MBMS point-to-multipoint Traffic Channel NACK (time alignment) negative acknowledgement PCCPCH Primary Common Control Physical Channel PCH Paging Channel PDU Packet Data Unit PTP Point-to-PointPTM Point-to-Multipoint 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
