TR 23.910
Circuit Switched Data Bearer Services
V5.5.0 (PDF)
2005/04 30 p.
V4.9.1
2005/06 21 p.
V3.6.0
2002/09 21 p.
- Rapporteur:
- Dr. Belling, Thomas
full Table of Contents for TR 23.910 Word version: 5.5.0
1 Scope p. 6
The present document provides an overview of the architecture and issues related to the provision of Circuit Switched Bearer Services in a 3G mobile network (UMTS) operating in UTRAN or GERAN Iu mode. Handover to GERAN A/Gb mode is also considered.
2 References p. 6
3 Definitions and abbreviations p. 7
3.1 Definitions p. 7
3.2 Abbreviations p. 7
4 General p. 7
4.1 Limited set of UTRAN Iu mode PLMN connection models p. 8
4.1.1 Transparent data p. 8
4.1.2 Non-transparent data p. 10
4.2 Limited set of GERAN Iu mode PLMN connection models p. 10
4.2.1 Transparent data p. 10
4.2.2 Non-transparent data p. 12
5 Bearer Capabilities for UMTS Data Services p. 12
5.1 Bearer Capabilities for UMTS Data Services p. 13
5.1.1 Transparent Data p. 13
5.1.2 Non-Transparent Fax p. 13
5.1.3 NT Data p. 13
5.1.4 Transparent Data for Support of Multimedia p. 13
5.2 BC-IE to RAB QoS Mapping p. 14
6 Iu and Nb User Plane p. 18
6.1 NT services p. 18
6.2 T services p. 18
7 RLC p. 19
8 Initial Synchronisation and resynchronisation p. 19
8.1 Modem services (3.1 kHz audio) p. 19
8.1.1 Transparent Case p. 19
8.1.2 Non-Transparent Case p. 20
8.2 Digital services p. 20
8.2.1 Transparent case p. 20
8.2.2 Non-Transparent case p. 20
8.3 Loss of synchronisation p. 20
9 Call Control p. 20
10 Handover Issues p. 20
10.1 Signalling issues p. 20
10.1.1 Loss of BC Information during Handover from A/Gb mode to UTRAN Iu mode p. 20
10.1.2 Handover from UTRAN Iu mode to A/Gb mode p. 21
10.1.3 Loss of BC Information during Handover from A/Gb mode to GERAN Iu mode p. 21
10.1.4 Handover from GERAN Iu mode to A/Gb mode p. 21
10.1.5 Handover from UTRAN Iu mode to GERAN Iu mode p. 21
10.1.6 Handover from GERAN Iu mode to UTRAN Iu mode p. 21
10.2 User Plane p. 22
10.2.1 Handover from Iu mode to A/Gb mode p. 22
10.2.2 Handover from A/Gb mode to UTRAN Iu mode p. 22
10.2.2.1 Frame layout for the different transparent user rates p. 22
10.2.2.2 A-TRAU' frame format p. 23
10.2.3 Handover from A/Gb mode to GERAN Iu mode p. 25
10.2.3.1 User plane for transparent services p. 25
10.2.3.2 User plane for non-transparent services p. 25
10.2.4 Handover within Iu mode PLMNs p. 28
10.2.5 Handover for 56 kbit/s p. 28
$ Change history p. 29
