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TS 23.468
Table of Contents for
TS 23.468
Word version: 19.0.0
1
Scope
p. 6
2
References
p. 6
3
Definitions and abbreviations
p. 7
3.1
Definitions
p. 7
3.2
Abbreviations
p. 7
4
Architecture Model and Concepts
p. 7
4.1
General Concept
p. 7
4.2
Architectural Reference Model
p. 9
4.2.1
General
p. 9
4.2.2
Non-roaming architecture
p. 10
4.2.3
Roaming architecture
p. 10
4.2.4
Architecture model using a ProSe UE-to-Network Relay for Public Safety
|R13|
p. 12
4.3
Reference points
p. 12
4.3.1
General
p. 12
4.3.2
List of Reference Points
p. 12
4.3.2.1
GC1 reference point
p. 12
4.3.2.2
MB2 reference point
p. 12
4.3.2.3
SGmb/SGi-mb/M1/M3 reference points
p. 13
4.3.2.4
Rx reference point
p. 13
4.4
High level functions
p. 13
4.4.1
Unicast Delivery
p. 13
4.4.2
MBMS Delivery
p. 13
4.4.3
Service continuity
p. 13
4.5
Network Elements
p. 13
4.5.1
GCS AS
p. 13
4.5.2
UE
p. 14
4.5.3
PCRF
p. 14
4.5.4
BM-SC
p. 14
5
Functional Description and Information Flow
p. 14
5.1
MB2: Interface between GCS AS and BM-SC
p. 14
5.1.1
General
p. 14
5.1.2
MB2 Procedures
p. 15
5.1.2.1
General
p. 15
5.1.2.2
TMGI Management
p. 15
5.1.2.2.1
General
p. 15
5.1.2.2.2
TMGI Allocation Procedure
p. 15
5.1.2.2.3
TMGI Deallocation Procedure
p. 16
5.1.2.2.4
TMGI allocation period expiry
p. 17
5.1.2.3
Activating and Deactivating an MBMS bearer
p. 17
5.1.2.3.1
General
p. 17
5.1.2.3.2
Activate MBMS Bearer Procedure
p. 17
5.1.2.3.3
Deactivate MBMS Bearer Procedure
p. 19
5.1.2.4
Modify MBMS Bearer Procedure
p. 20
5.1.2.5
MBMS Delivery Status Indication Procedure
p. 21
5.2
Specific Usage of EPS Bearers for GCS
p. 21
5.3
Service Continuity
p. 22
5.3.1
General
p. 22
5.3.2
Switching from Unicast Delivery to MBMS Delivery
p. 22
5.3.3
Switching from MBMS Delivery to Unicast Delivery
p. 23
5.3.3.1
General
p. 23
5.3.3.2
MBMS Delivery to Unicast Delivery (make-before-break)
p. 23
5.3.3.3
MBMS Delivery to Unicast Delivery (break-before-make)
p. 25
5.4
Priority and Pre-emption for Group Communication
p. 25
5.5
Charging
p. 28
5.6
Security
p. 28
A
Utilisation of the Group Communication Service
p. 29
A.1
General
p. 29
A.2
Downlink Media path setup for MBMS Delivery
p. 29
A.2.1
General
p. 29
A.2.2
Use of Pre-established MBMS bearers
p. 29
A.2.3
Use of Dynamic MBMS bearer establishment
p. 30
$
Change history
p. 32