9.1.21j MBMS Announcement
3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 17TS
This message is sent on the main DCCH by the network to inform the mobile station about a starting MBMS Session or an ongoing MBMS Broadcast Session with an updated MBMS service area list. See table 9.1.21j.1.
Message type: MBMS ANNOUNCEMENT
Significance: dual
Direction: network to mobile station
Table 9.1.21j.1: MBMS Announcement message content
|
IEI |
Information element |
Type / Reference |
Presence |
Format |
Length |
|
RR management Protocol Discriminator |
Protocol Discriminator |
M |
V |
1/2 |
|
|
Skip Indicator |
Skip Indicator |
M |
V |
1/2 |
|
|
MBMS Announcement Type |
Message Type |
M |
V |
1 |
|
|
Temporary Mobile Group Identity |
TMGI |
M |
LV |
4-7 |
|
|
01 |
MBMS Session Identity |
MBMS Session Identity |
O |
TV |
2 |
|
02 |
MBMS Counting Channel Description |
MPRACH Description |
O |
TLV |
3-n |
|
03 |
MBMS p-t-m Channel Description |
MBMS p-t-m Channel Description |
O |
TLV |
4-n |
|
04 |
MBMS Session Parameters List |
MBMS Session Parameters List |
O |
TLV |
4-7 |
|
05 |
Restriction Timer |
Restriction Timer |
O |
TV |
2 |