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TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
UTRAN Iub interface user plane protocols for Common
Transport Channel data streams
(3GPP TS 25.435 version 15.0.0 Release 15)
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3GPP TS 25.435 version 15.0.0 Release 15 1 ETSI TS 125 435 V15.0.0 (2018-07)
Reference
RTS/TSGR-0325435vf00
Keywords
UMTS
ETSI
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ETSI
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3GPP TS 25.435 version 15.0.0 Release 15 2 ETSI TS 125 435 V15.0.0 (2018-07)
Intellectual 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 Property Rights (IPRs); Essential, 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
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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 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
.
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 Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 25.435 version 15.0.0 Release 15 3 ETSI TS 125 435 V15.0.0 (2018-07)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 7
1 Scope . 8
2 References . 8
3 Definitions and abbreviations . 8
3.1 Definitions . 8
3.2 Abbreviations . 9
3.3 Specification Notations . 9
4 General aspects . 10
4.1 Common Transport Channel Data Stream User Plane Protocol Services . 10
4.2 Services expected from the Data Transport Network layer . 10
4.3 Protocol Version . 11
5 Data Streams User Plane Procedures . 11
5.1 Data Transfer . 11
5.1.1 RACH Channels . 11
5.1.2 CPCH Channels [FDD] . 11
5.1.3 Secondary-CCPCH related transport Channels . 11
5.1.4 Downlink Shared Channels [TDD] . 12
5.1.5 Uplink Shared Channels [TDD] . 13
5.1.6 High Speed Downlink Shared Channels . 13
5.1.7 E-DCH Channels for CELL_FACH and Idle[FDD and 1.28Mcps TDD] . 15
5.2 Node Synchronisation . 15
5.3 DL Transport Channels Synchronisation . 16
5.4 DL Timing Adjustment . 16
5.5 Dynamic PUSCH Assignment [TDD] . 17
5.6 DSCH TFCI Signalling [FDD] . 17
5.7 Timing Advance [3.84 Mcps and 7.68Mcps TDD] . 17
5.7A Outer Loop PC Information Transfer [1.28 Mcps TDD]. 18
5.8 General . 18
5.8.1 Association between transport bearer and data/control frames . 18
5.8.2 DSCH / USCH transport bearer replacement [TDD] . 19
5.8.3 HS-DSCH Transport Bearer Replacement . 20
5.9 HS-DSCH Capacity Request . 21
5.10 HS-DSCH Capacity Allocation . 21
5.11 Indication of UE State Transition [1.28Mcps TDD] . 22
5.12 HS-DSCH UL Synchronization Establishment Failure [1.28Mcps TDD] . 22
5.13 HS-DSCH PDU DROP INDICATION . 22
6 Frame Structure and Coding . 23
6.1 General . 23
6.2 Data frame structure . 24
6.2.1 RACH Channels . 24
6.2.2 CPCH Channels [FDD] . 26
6.2.3 FACH Channels . 26
6.2.4 PCH Channels . 27
6.2.5 Downlink Shared Channels [TDD] . 28
6.2.6 Uplink Shared Channels [TDD] . 28
6.2.6A HS-DSCH Channels . 29
6.2.6B E-DCH Channels for CELL_FACH and Idle[FDD and 1.28Mcps TDD] . 35
6.2.7 Coding of information elements in data frames . 37
6.2.7.1 Header CRC . 37
6.2.7.2 Frame Type . 37
ETSI
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3GPP TS 25.435 version 15.0.0 Release 15 4 ETSI TS 125 435 V15.0.0 (2018-07)
6.2.7.3 Connection Frame Number (CFN) . 37
6.2.7.4 Transport Format Indicator . 38
6.2.7.5 Propagation Delay [FDD] . 38
6.2.7.5A Ext Propagation Delay [FDD] . 38
6.2.7.6 Rx Timing Deviation [3.84Mcps TDD] . 38
6.2.7.6A Received SYNC UL Timing Deviation [1.28Mcps TDD] . 39
6.2.7.6B Rx Timing Deviation [7.68Mcps TDD] . 39
6.2.7.7 Transport Block . 39
6.2.7.8 CRC Indicator . 39
6.2.7.9 Payload CRC . 39
6.2.7.10 Transmit Power Level . 39
6.2.7.11 Paging Indication (PI) . 40
6.2.7.12 Paging Indication bitmap (PI-bitmap) . 40
6.2.7.13 Rx Timing Deviation on RACH [3.84Mcps TDD] . 40
6.2.7.14 PDSCH Set Id [TDD]. 40
6.2.7.15 Code Number [FDD]. 40
6.2.7.16 Spreading Factor (SF) [FDD] . 40
6.2.7.17 Power Offset [FDD] . 40
6.2.7.18 MC Info [FDD] . 41
6.2.7.19 Spare Extension . 41
6.2.7.20 Quality Estimate (QE) [TDD] . 41
6.2.7.21 Common Transport Channel Priority Indicator (CmCH-PI) . 41
6.2.7.22 User Buffer Size . 41
6.2.7.23 MAC-d PDU Length . 41
6.2.7.24 NumOfPDU . 41
6.2.7.25 MAC-d PDU . 41
6.2.7.26 Cell Portion ID [FDD] . 42
6.2.7.27 New IE Flags . 42
6.2.7.28 Flush . 42
6.2.7.29 DRT (Delay Reference Time) . 42
6.2.7.30 Frame Sequence Number . 42
6.2.7.31 Logical Channel ID in block n . 43
6.2.7.32 Total Number of PDU blocks. 43
6.2.7.33 MAC-d/c PDU Length in block n . 43
6.2.7.34 Number of MAC-d/c PDUs in block n (#PDUs in block n) . 43
6.2.7.35 DRT Indicator . 43
6.2.7.36 FACH Indicator (FI) [FDD and 1.28Mcps TDD] . 43
6.2.7.37 H-RNTI [FDD and 1.28Mcps TDD] . 43
6.2.7.38 RACH Measurement Result [FDD and 1.28Mcps TDD]. 44
6.2.7.39 H-RNTI Indicator (HI) [FDD and 1.28Mcps TDD] . 44
6.2.7.40 FSN/DRT Reset . 44
6.2.7.41 MAC-d/c PDU . 44
6.2.7.42 AOA (Angle of Arrival) [1.28Mcps TDD] . 44
6.2.7.43 Ext Received SYNC UL Timing Deviation [1.28Mcps TDD] . 44
6.2.7.44 Number of Subframes [FDD and 1.28Mcps TDD] . 45
6.2.7.45 Number of MAC-is SDU in frame [FDD and 1.28Mcps TDD] . 45
6.2.7.46 Number of MAC-is PDUs [FDD and 1.28Mcps TDD]. 45
6.2.7.47 Subframe Number [FDD and 1.28Mcps TDD] . 45
6.2.7.48 E-DCH User Buffer Size [FDD and 1.28Mcps TDD] . 45
6.2.7.49 E-RNTI [FDD and 1.28Mcps TDD] . 45
6.2.7.50 MAC-is PDU descriptor [FDD and 1.28Mcps TDD] . 46
6.2.7.51 Dedicated H-RNTI [FDD and 1.28Mcps TDD] . 46
6.2.7.52 eDRX Indication [FDD] . 46
6.2.7.53 HS-DSCH physical layer category [FDD] . 46
6.2.7.54 Cell Portion LCR ID [1.28Mcps TDD] . 46
6.2.7.55 TS0 Indication [1.28Mcps TDD] . 46
6.2.7.56 Enhanced HS-SCCH support indicator (EI) [FDD] . 46
6.2.7.57 MU-MIMO Indication(MI) [1.28Mcps TDD] . 46
6.2.7.58 Propagation Delay Full Range [FDD] . 47
6.2.7.59 CPC Recovery (CPC Recov) [FDD] . 47
6.2.7.60 FeDRX Indication [FDD] . 47
6.2.7.61 NodeB Triggered HS-DPCCH Transmission(NTHT) [FDD] . 47
ETSI
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3GPP TS 25.435 version 15.0.0 Release 15 5 ETSI TS 125 435 V15.0.0 (2018-07)
6.2.7.62 TTI length [FDD] . 47
6.2.7.63 SN, Frame Number . 47
6.2.7.64 S/D, Store/Discard indicator . 47
6.2.7.65 CR Ind (Cell Reselection Indication) . 48
6.2.7.66 CRR Rec (Cell Reselection Request Received) . 48
6.2.7.67 Multiple UEs Indicator (MUI) [FDD] . 48
6.2.7.68 Extended for UEn [FDD] . 48
6.2.7.69 Operation Preference of Common E-DCH resource Indication (OPCE Ind) [FDD] . 48
6.2.7.70 HS-SCCH DRX Indication [FDD] . 48
6.3 Control frame structure . 48
6.3.1 Introduction. 48
6.3.2 Coding of information elements of the Control frame header . 49
6.3.2.1 Frame CRC . 49
6.3.2.2 Frame Type (FT) . 49
6.3.2.3 Control Frame Type . 49
6.3.3 Payload structure and information elements . 50
6.3.3.1 TIMING ADJUSTMENT . 50
6.3.3.1.1 Payload Structure. 50
6.3.3.1.2 CFN . 50
6.3.3.1.3 Time of arrival (ToA) . 50
6.3.3.1.4 Spare Extension . 50
6.3.3.2 DL SYNCHRONISATION . 50
6.3.3.2.1 Payload Structure. 50
6.3.3.2.2 CFN . 51
6.3.3.2.3 Spare Extension . 51
6.3.3.3 UL SYNCHRONISATION . 51
6.3.3.3.1 Payload Structure. 51
6.3.3.3.2 CFN . 51
6.3.3.3.3 Time of Arrival (TOA) . 51
6.3.3.3.4 Spare Extension . 52
6.3.3.4 DL NODE SYNCHRONISATION . 52
6.3.3.4.1 Payload Structure. 52
6.3.3.4.2 T1 . 52
6.3.3.4.3 Spare Extension . 52
6.3.3.5 UL NODE SYNCHRONISATION . 52
6.3.3.5.1 Payload Structure. 52
6.3.3.5.2 T1 . 52
6.3.3.5.3 T2 . 53
6.3.3.5.4 T3 . 53
6.3.3.5.5 Spare Extension . 53
6.3.3.6 DYNAMIC PUSCH ASSIGNMENT [TDD] . 53
6.3.3.6.1 Payload structure . 53
6.3.3.6.2 PUSCH Set Id . 53
6.3.3.6.3 Activation CFN . 53
6.3.3.6.4 Duration . 53
6.3.3.7 DSCH TFCI SIGNALLING [FDD] . 54
6.3.3.7.1 Payload structure . 54
6.3.3.7.2 TFCI (field 2) .
...