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Content for TS 25.410 Word version: 16.0.0

1… 4…

4 General Aspects Word‑p. 9

4.1 UTRAN Architecture

4.1.1 Iu Interface Architecture

4.1.2 Iu connection principles Word‑p. 10

4.1.3 Implementation of the NAS Node Selection Function |R5|

4.1.4 Implementation of MOCN configuration support |R6|

4.2 Iu Interface General Principles

4.3 Iu Interface Specification Objectives

4.4 Iu Interface Capabilities Word‑p. 11

4.5 Iu Interface Characteristics Word‑p. 12

4.5.1 Use of Transport Network User Plane as Signalling Bearer

4.5.1.1 Use of SCCP

4.5.1.1.1 General

4.5.1.1.2 SCCP Connection Establishment procedure

4.5.1.1.3 SCCP Connection Release procedure Word‑p. 14

4.5.1.1.4 General SCCP Abnormal Conditions Word‑p. 15

4.5.1.2 Use of MTP3b

4.5.2 Use of Transport Network User Plane as User Data Bearer

4.5.2.1 Use of AAL2

4.5.2.2 Use of GTP-U

4.5.2.3 Use of RTP |R5|

4.5.3 Use of Transport Network User Plane on Iu-BC

5 Functions of the Iu Interface Protocols & Functional Split Word‑p. 16

5.1 General

5.2 RAB management Functions Word‑p. 18

5.2.1 RAB establishment, modification and release function

5.2.2 RAB characteristics mapping to Uu bearers function

5.2.3 RAB characteristics mapping to Iu transport bearers

5.2.4 RAB queuing, pre-emption and priority function

5.3 Radio Resource Management over Iu Word‑p. 19

5.3.1 Radio resource admission control

5.3.2 Broadcast information management

5.4 Iu link Management functions

5.4.1 Iu Signalling Link Management function

5.4.2 ATM Virtual Connection Management function

5.4.3 AAL2 connection establish and release function

5.4.4 AAL5 management function

5.4.5 GTP-U tunnels management function

5.4.6 TCP Management Function Word‑p. 20

5.4.7 Buffer Management

5.4.8 RTP Session Management Function |R5|

5.5 Iu U-plane (RNL) Management Functions

5.5.1 Iu U-plane frame protocol mode selection function

5.5.2 Iu U-plane frame protocol initialisation

5.6 Mobility Management Functions

5.6.1 Location information update function

5.6.2 Handover and Relocation functions Word‑p. 21

5.6.2.1 Inter RNC hard HO function, Iur not used or not available

5.6.2.2 Serving RNS Relocation function

5.6.2.3 Inter system Handover (e.g. UMTS-GSM) function

5.6.2A Inter System Change (e.g. UMTS-GSM) function

5.6.3 Paging Triggering

5.6.4 Shared Networks Access Control |R5|

5.6.5 GERAN System Information Retrieval |R6|

5.7 Security Functions

5.7.1 Data Confidentiality

5.7.1.1 Radio interface ciphering function

5.7.1.2 Ciphering key management function Word‑p. 22

5.7.2 Data integrity

5.7.2.1 Integrity checking

5.7.2.2 Integrity key management

5.8 Service and Network Access Functions

5.8.1 Core Network signalling data transfer function

5.8.2 Data Volume Reporting

5.8.3 UE Tracing

5.8.4 Location reporting function

5.8.5 MDT |R10|

5.9 Co-ordination Functions

5.9.1 Paging Co-ordination function

5.9.2 NAS Node Selection Function |R5| Word‑p. 23

5.9.3 Information Transfer Function |R5|

5.9.4 MOCN Rerouting Function |R6|

5.9.5 SIPTO at Iu-PS Function |R10|

5.9.6 SIPTO at the Local Network with Standalone GW |R10|

5.10 MBMS Functions |R6|

5.10.1 MBMS RAB Management functions

5.10.2 MBMS UE Linking Function

5.10.3 MBMS Registration Control Function

5.10.4 MBMS Enquiry Function Word‑p. 24

6 Iu Interface Protocol Structure

6.1 General

6.2 Iu-CS Word‑p. 25

6.3 Iu-BC Word‑p. 26

6.4 Iu-PS Word‑p. 27

7 Other Iu Interface Specifications

7.1 UTRAN Iu Interface: Layer 1 (3GPP TS 25.411)

7.2 UTRAN Iu Interface: Signalling Transport (3GPP TS 25.412)

7.3 UTRAN Iu Interface: RANAP Specification (3GPP TS 25.413)

7.4 UTRAN Iu Interface: Data Transport and Transport Signalling (3GPP TS 25.414) Word‑p. 28

7.5 UTRAN Iu Interface: CN-UTRAN User Plane Protocol (3GPP TS 25.415)

7.6 UTRAN Iu Interface: Service Area Broadcast Protocol SABP (3GPP TS 25.419)

7.7 Summary

$ Change History Word‑p. 29