1、 ETSI TS 125 402 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); Synchronisation in UTRAN Stage 2 (3GPP TS 25.402 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 125 402 V15.0.0 (2018-07)13GPP TS 25.402 version 15.0.0 Release 15Reference RTS/TSGR-0325402vf00 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
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7、ten authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademarks of ETSI registered
8、 for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 125 402 V15.0.0 (2018-07)23GPP TS 25.402 version 15.0.0 Release 15Intellectua
9、l Property Rights Essential patents IPRs essential or potentially essential to normative deliverables 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
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11、R searches, has been carried out 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. Trademarks The present document may include trademar
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13、does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports us
14、ing 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/queryform.asp. Modal verbs terminology In
15、 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 Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI del
16、iverables except when used in direct citation. ETSI ETSI TS 125 402 V15.0.0 (2018-07)33GPP TS 25.402 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 D
17、efinitions 7g33.2 Symbols 7g33.3 Abbreviations . 7g33.4 Specification Notations 8g34 Synchronisation Issues . 9g34.1 General . 9g34.2 Network Synchronisation . 11g34.3 Node Synchronisation 11g34.4 Transport Channel Synchronisation . 11g34.5 Radio Interface Synchronisation 11g34.6 Time Alignment Hand
18、ling 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 Node Synchronisation . 18g36.1.2.1 TDD Node B Synchronisation Ports . 18g36.1.2.2 TDD Inter Node B Node Sy
19、nchronisation 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 . 22g36.1.2.2.3 Late-Entrant Cells 23g36.1.2.3 TDD Inter Node B Node Synchronisation procedure 1.28Mcps TDD . 23g36.1.2.3.
20、1 Preliminary Phase 24g36.1.2.3.2 Initial Phase . 24g36.1.2.3.3 Steady-State Phase . 24g36.1.2.3.3.1 Basic method 25g36.1.2.3.3.2 Extended method . 25g36.1.2.3.4 Late-Entrant Cells 26g36.1.2.4 Node B synchronisation for 3.84Mcps TDD MBSFN IMB 26g37 Transport Channel Synchronisation . 27g37.1 General
21、 . 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 General 31g38.2.2 Neighbour cell list timing information 33g38.3 TDD Radio Interface Synchronisation . 3
22、3g38.3.1 General 33g38.3.2 Intercell Synchronisation 33g38.3.3 Multi Frame Synchronisation . 34g38.3.4 Timing Advance for 3.84Mcps and 7.68Mcps TDD 34g3ETSI ETSI TS 125 402 V15.0.0 (2018-07)43GPP TS 25.402 version 15.0.0 Release 158.3.4.1 Measurement of the timing deviation on the physical channels
23、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 . 35g38.3.4.2.3 When establishing E-DCH in CELL_DCH state (E-DCH/HS-DSCH operation with no UL DPCH) . 36g38.3.4.
24、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 target cell at handover 37g38.3.4.4.1 General 37g38.3.4.4.2 Handover from TDD to TDD with synchronised
25、 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 The establishment of uplink synchronisation 37g38.3.5.1.1 Preparation of uplink synchronisation by down
26、link synchronisation 37g38.3.5.1.2 Establishment of uplink synchronisation . 37g38.3.5.2. Maintenance of uplink synchronisation 38g39 Usage of Synchronisation Counters and Parameters to support Transport Channel and Radio Interface Synchronisation . 38g39.1 General . 38g39.2 Calculations performed i
27、n 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 RLs . 41g39.2.4 UE in CELL_DCH state: addition of a new RL or handover to a new cell 41g39.2.5 Handover
28、 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 changes from CELL_FACH/PCH to CELL_DCH state: several RLs . 42g39.3.2 UE in CELL_DCH state: addition of a n
29、ew 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 46g311 MBMS related Transport Channel Synchronisation 48g311.1 General . 48g311.2 FDD MBMS related Transport Channe
30、l 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 Transport Channel Synchronisation 50g3Annex A (informative): Change history . 51g3History 52g3ETSI ETSI TS 12
31、5 402 V15.0.0 (2018-07)53GPP TS 25.402 version 15.0.0 Release 15Foreword This Technical Specification (TS) has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approva
32、l. 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.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or
33、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 digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 125
34、402 V15.0.0 (2018-07)63GPP TS 25.402 version 15.0.0 Release 151 Scope The present document constitutes the stage 2 specification of different synchronisation mechanisms in UTRAN and on Uu. 2 References The following documents contain provisions which, through reference in this text, constitute provi
35、sions of the present document. g404 References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. g404 For a specific reference, subsequent revisions do not apply. g404 For a non-specific reference, the latest version applies. In the case o
36、f 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. 1 3GPP TS 25.401: “UTRAN overall description“. 2 3GPP TS 25.423: “UTRAN Iur interface Radio Network Subsystem Ap
37、plication 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 Common Transport Channel data streams“. 5 3GPP TS 25.427: “UTRAN Iub/Iur Interface user plane protocol for DCH data s
38、treams“. 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 3GPP TS 25.104: “Base Station (BS) radio transmi
39、ssion 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; Measurements (TDD)“. 15 3GPP TS 25.123: “Requirements for support of radio resource management (TDD)“. 16 3GPP TS 25.
40、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 Primary Reference Clocks“. 19 ITU-T Recommendation G.812 (1998-06): “Timing Requirements of Slave Clocks suitable
41、 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 V15.0.0 (2018-07)73GPP TS 25.402 version 15.0.0 Release 1521 ETSI EN 300 462-4-1(1998-03): “Transmission and Multiplexing (
42、TM); Generic requirements for synchronization networks; Part 4-1: Timing characteristics of slave clocks suitable for synchronization supply to Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment“. 22 ETSI EN 300 462-5-1 (1996-09):“Transmission and Multiplexing (
43、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 EN 300 462-7-1 (2001-04): “Transmission and Multiplexing (TM); Generic requirements for synchronization networks;
44、 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)“. 25 3GPP TS 25.222: “Multiplexing and channel coding (TDD)“. 26 3GPP TS 25.321: “Medium Access Control (MAC) prot
45、ocol 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 depicts the way of distributing a common frequency to all elements in a network Reference Timing Signal: timing si
46、gnal 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 using stored data, acquired while in locked operation (that is while controlled by an external input reference), to
47、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 are defined in this document. 3.3 Abbreviations For the purposes of the present document, the following abbrevi
48、ations 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 Controlling RNC DL Down Link DCH Dedicated Channel DOFFFDDFDD Default DPCH Offset value DOFFTDDTDD Default DPCH Offset
49、 value DPCH Dedicated Physical Channel DPCCH Dedicated Physical Control Channel DRNC Drift RNC DSCH Downlink Shared Channel FACH Forward Access ChannelFDD Frequency Division Duplex F-DPCH Fractional DPCH GPS Global Positioning System ETSI ETSI TS 125 402 V15.0.0 (2018-07)83GPP TS 25.402 version 15.0.0 Release 15HO Handover IMB Integrated Mobile Broadcast LTOA Latest Time of Arrival L1 Layer 1L2 Layer 2MAC Medium Access Control MBMS Multimedia Broadcast Multicast Service MBSFN Multicast/Broadcast over a Single Freq
