Content for TS 25.420 Word version: 18.0.0
4 General Aspects
5 Functions of the Iur Interface Protocols
6 Iur Interface Protocols
7 DRNS logical Model over Iur
8 Iur Interface Protocol Structure
9 Other Iur Interface Specifications
$ Change History
4 General Aspects p. 9
4.1 Introduction p. 9
4.2 Iur Interface General Principles p. 9
4.3 Iur Interface Specification Objectives p. 9
4.4 Iur Interface Capabilities p. 10
4.4.1 Radio application related signalling p. 10
4.4.2 Iub/Iur DCH data streams p. 10
4.4.3 Iur RACH data streams p. 10
4.4.4 Iur DSCH data streams [TDD] p. 10
4.4.5 Iur USCH data streams [TDD] p. 10
4.4.6 Iur FACH data streams p. 10
4.4.7 Iur HS-DSCH data streams |R5| p. 10
4.4.8 Iub/Iur E-DCH data streams |R6| p. 10
4.4.9 Iur IuUP data streams for CS data forwarding |R9| p. 11
4.5 Iur Interface Characteristics p. 11
4.5.1 Uses of SCCP p. 11
4.5.1.1 General p. 11
4.5.1.2 SCCP connection establishment p. 11
4.5.1.3 Establishment procedure initiated from the SRNC p. 11
4.5.1.3A Establishment procedure initiated from an RNC requesting common measurements or information |R4| p. 12
4.5.1.4 SCCP connection release p. 13
4.5.1.5 General SCCP Abnormal Conditions p. 13
4.5.2 SCCP Addressing Scheme p. 14
4.5.2.1 General p. 14
5 Functions of the Iur Interface Protocols p. 14
5.1 Functional List p. 14
5.2 Functional Split over Iur p. 15
5.2.1 Combining/Splitting p. 15
5.2.2 Control of Combining/Splitting Topology p. 15
5.2.3 Handling of DRNS Hardware Resources p. 15
5.2.4 Allocation of Physical Channels p. 15
5.2.5 UpLink Power Control p. 15
5.2.6 Down-Link Power Control p. 15
5.2.7 Admission Control p. 16
5.2.8 Radio Protocol Functional Split p. 16
5.2.9 MBMS Bearer Type Control |R6| p. 16
5.2.10 MBSFN MCCH Information Control |R8| p. 16
6 Iur Interface Protocols p. 16
6.1 General p. 16
6.2 Radio Signalling Protocols p. 17
6.2.1 RNSAP Protocol p. 17
6.3 User Plane Frame Protocols p. 17
6.3.1 Iub/Iur DCH Frame Protocol p. 17
6.3.2 Iur DSCH Frame Protocol [TDD] p. 18
6.3.3 Iur USCH Frame Protocol [TDD] p. 18
6.3.4 Iur RACH Frame Protocol p. 18
6.3.5 Iur FACH Frame Protocol p. 18
6.3.6 Iur HS-DSCH Frame Protocol |R5| p. 18
6.3.7 Iur E-DCH Frame Protocol |R6| p. 19
6.4 Mapping of Frame Protocols onto transport bearers p. 19
7 DRNS logical Model over Iur p. 19
7.1 Overview p. 19
7.2 Logical Model Elements p. 20
7.2.1 Radio Link p. 20
7.2.2 Cell p. 20
7.2.3 Iur DCH Data Port p. 20
7.2.4 Iur DSCH Data Port [TDD] p. 21
7.2.5 Iur USCH Data Port [TDD] p. 21
7.2.6 Iur RACH/FACH Data Port p. 21
7.2.7 Iur Control Port p. 21
7.2.8 Iur HS-DSCH Data Port |R5| p. 21
7.2.9 Iur E-DCH Data Port |R6| p. 21
8 Iur Interface Protocol Structure p. 21
9 Other Iur Interface Specifications p. 22
9.1 UTRAN Iur Interface: Layer 1 (TS 25.421) p. 22
9.2 UTRAN Iur Interface: Signalling Transport (TS 25.422) p. 22
9.3 UTRAN Iur Interface: RNSAP Specification (TS 25.423) p. 22
9.4 UTRAN Iur Interface: Data Transport and Transport Signalling for Common Transport Channel Data Streams (TS 25.424) p. 22
9.5 UTRAN Iur Interface: User Plane Protocols for Common Transport Channel Data Streams (TS 25.425) p. 22
9.6 UTRAN Iur & Iub Interface: Data Transport and Transport Signalling for DCH Data Streams (TS 25.426) p. 23
9.7 UTRAN Iur & Iub Interface: User Plane Protocols for DCH Data Streams (TS 25.427) p. 23
9.8 Summary of UTRAN Iur Interface Technical Specifications p. 23
$ Change History p. 24
