10.3.9a MBMS Information elements
25.3313GPPProtocol specificationRadio Resource Control (RRC)Release 17TS
10.3.9a.1 MBMS Common CCTrCH identity
Identifies a Coded Composite Transport channel configuration included within the MBMS COMMON P-T-M RB INFORMATION message.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Common CCTrCh identity |
MP |
Integer (1..32) |
REL-6 |
10.3.9a.2 MBMS Common PhyCh identity
Identifies a physical channel configuration included within the MBMS COMMON P-T-M RB INFORMATION message.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Common PhyCh identity |
MP |
Integer (1..32) |
REL-6 |
10.3.9a.3 MBMS Common RB identity
Identifies a radio bearer channel configuration included within the MBMS COMMON P-T-M RB INFORMATION message.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Common RB identity |
MP |
Integer (1..32) |
REL-6 |
10.3.9a.4 MBMS Common TrCh identity
Identifies a transport channel configuration included within the MBMS COMMON P-T-M RB INFORMATION message.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Common TrCh identity |
MP |
Integer (1..32) |
REL-6 |
10.3.9a.5 MBMS Current cell S-CCPCH identity
Identifies one of the current cell’s Secondary CCPCH’s.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Current cell S-CCPCH identity |
MP |
Integer (1..maxSCCPCH) |
REL-6 |
10.3.9a.6 Void
10.3.9a.7 MBMS L1 combining schedule
Includes information about the MBMS L1 combining schedule.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS L1 combining cycle length |
MP |
Enumerated (32, 64, 128, 256, 512, 1024) |
In number of radio frames |
REL-6 |
|
|
MBMS L1 combining cycle offset |
MD |
Integer (0.. MBMS L1 combining cycle length – 4) by step of 4 |
Start of the L1 combining cycle (relative to the timing of the current cell) in number of radio frames. Default value is no offset |
REL-6 |
|
|
MTCH L1- combining period list |
MP |
1 to < maxMBMS-L1CP> |
One or more periods in which L1 combining is performed |
REL-6 |
|
|
>Start |
MP |
Integer (0.. MBMS L1 combining cycle length – 4) by step of 4 |
Number of frames from the end of the previous combining period or the start of the cycle (for the first period) |
REL-6 |
|
|
>Duration |
MP |
Integer (4.. MBMS L1 combining cycle length) by step of 4 |
Number of frames (see note) |
REL-6 |
NOTE: The MTCH L1- combining period should indicate one or more complete TTIs.
10.3.9a.7o MBMS p-t-m activation time
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|---|---|---|---|---|---|
|
MBMS p-t-m activation time |
MP |
Integer (0..2047) |
The 11 LSB of the SFN. Note 1 and 2. |
REL-6 |
|
|
Note 1: The “MBMS p-t-m activation time” indicates the start of the 10 ms frame corresponding to the indicated SFN value and of the primary CCPCH of the cell where this IE is transmitted. |
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Note 2: The range of the “MBMS p-t-m activation time” is from 10 ms after the beginning of the MCCH modification period wherein it is transmitted and to the end of next following MCCH modification period. The UE shall consider a value out of this range as expired. |
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10.3.9a.7a MBMS p-t-m RB information
Includes information about an MBMS p-t-m radio bearers mapped on a TrCH.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
RB information |
CV-Curr |
MBMS Common RB identity 10.3.9a.3 |
REL-6 |
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|
MBMS short transmission ID |
MP |
MBMS Short transmission identity 10.3.9a.10 |
REL-6 |
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|
MBMS logical channel identity |
MP |
Integer (1..15) |
This identifier is used to distinguish different MTCH mapped on to a TrCh (“MBMS-Id” within the MAC header[15]) |
REL-6 |
|
|
L1 combining status |
CV-Neigh |
Boolean |
The IE is only applicable in case of partial L1 comining, in which case value TRUE means that L1 combining is used for this radio bearer |
REL-6 |
|
Condition |
Explanation |
|
Curr |
The IE is mandatory present if the IE “MBMS p-t-m RB information list” is included in the MBMS CURRENT CELL P-T-M RB INFORMATION message and not needed otherwise |
|
Neigh |
The IE is mandatory present if the IE “MBMS p-t-m RB information list” is included in the MBMS NEIGHBOURING CELL P-T-M RB INFORMATION message and not needed otherwise |
10.3.9a.7b MBMS Selected Service Info
This IE indicates whether the UE has any MBMS Selected Services, and if it does it includes the list of MBMS Selected Services.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
CHOICE Status |
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|
>None |
(no data) |
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|
>Some |
MP |
MBMS Selected Services Full 10.3.9a.7c |
REL-6 |
10.3.9a.7c MBMS Selected Services Full
This IE provides the MBMS Selected Services by means of the full identity.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Selected Services |
MP |
1 to < maxMBMSservSelect> |
REL-6 |
||
|
>MBMS Selected Service ID |
MP |
MBMS service identity 10.3.9a.8 |
REL-6 |
10.3.9a.7d MBMS Selected Services Short
This IE indicates the MBMS Selected Services by means of a short identity to identify the MBMS transmission by referencing the services included in the MBMS MODIFIED SERVICES INFORMATION and the MBMS UNMODIFIED SERVICES INFORMATION messages.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Selected Services |
MP |
1 to < maxMBMSservSelect> |
REL-6 |
||
|
>MBMS Selected Service ID |
MP |
MBMS Short transmission identity 10.3.9a.10 |
REL-6 |
||
|
Modification period identity |
MP |
Integer (0..1) |
Indicates the modification period the MBMS short transmission identities refer to |
REL-6 |
10.3.9a.8 MBMS Service identity
Includes information about the identity of an MBMS service.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Service ID |
MP |
MBMS Service ID 10.3.9a.8a |
REL-6 |
||
|
CHOICE PLMN identity |
MP |
REL-6 |
|||
|
>SameAs-MIB |
(No data) The PLMN identity is the same as indicated by the IE “PLMN identity” in MIB |
REL-6 |
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>SameAsMIB-MultiPLMN-Id |
REL-6 |
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|
>>Multi PLMN id |
MP |
Integer (1..5) |
The PLMN identity is one of the PLMN identities (1 to 5) in the IE "Multiple PLMN List" in MIB |
REL-6 |
|
|
>ExplicitPLMN-Id |
REL-6 |
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|
>>PLMN identity |
MP |
PLMN identity 10.3.1.11 |
REL-6 |
10.3.9a.8a MBMS Service ID
Uniquely identifies an MBMS bearer service within a PLMN.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Service ID |
MP |
Octet string (3 ) |
The content of the MBMS Service ID field is coded as octets 3 to 5 of the IE Temporary Mobile Group Identity [5] |
REL-6 |
10.3.9a.9 MBMS Session identity
Includes information about the identity of a session of an MBMS service.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Session ID |
MP |
Octet string (1) |
REL-6 |
10.3.9a.10 MBMS Short transmission identity
Includes a short identity of the MBMS transmission identity, which concerns a session of a specific service.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS short transmission identity |
MP |
Integer (1..maxMBMSservUnmodif) |
Reference/ index to a transmission listed in the MBMS Modified Services Information or MBMS Unmodified Services Information |
REL-6 |
10.3.9a.10a MBMS Soft Combining Timing Offset
Indicates the timing offset applied in the CFN calculation in sub-clause 8.5.15.5 for a secondary CCPCH carrying only MBMS logical channels. It is used for FDD only.
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|---|---|---|---|---|---|
|
>MBMS Soft Combining Timing Offset |
MP |
Integer (0, 10, 20, 40) |
Timing offset applied in the CFN calculation in sub-clause 8.5.15.5, in ms. |
REL-6 |
10.3.9a.11 MBMS specific timers and counters
Includes MBMS specific timers and counters.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
T318 |
MD |
Integer(250… 2000 by step of 250, 3000, 4000, 6000, 8000, 10000, 12000, 16000) |
Value in milliseconds. Default value is 1000. |
REL-6 |
10.3.9a.12 MBMS Transmission identity
Includes information about the MBMS transmission identity, which concerns a session of a specific service.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBMS Service ID |
MP |
MBMS Service identity 10.3.9a.8 |
REL-6 |
||
|
MBMS Session ID |
OP |
MBMS Session identity 10.3.9a.9 |
REL-6 |
10.3.9a.12a MBSFN frequency list
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBSFN frequency list |
MP |
0 to <maxMBSFNclusters> |
REL-7 |
||
|
>MBSFN frequency |
MP |
Frequency info 10.3.6.36 |
REL-7 |
||
|
>IMB indication |
OP |
Enumerated (TRUE) |
If present: 3.84 Mcps TDD MBSFN IMB is applied on this frequency. |
REL-8 |
|
|
>Cell parameter ID |
OP |
<0..127> |
Cell parameter Id 10.3.6.9 |
Only for 1.28 Mcps TDD [32]. NOTE 1 |
REL-7 |
NOTE 1: For 1.28 Mcps TDD the IE "Cell Parameter ID" indicates the cell which is providing MBMS service in MBSFN only mode on the corresponding frequency; if it is not included, the IE "MBSFN frequency" indicates the secondary frequency providing MBMS service in non-MBSFN only mode of current multi-frequency cell.
10.3.9a.12b MBSFN TDM Information List
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MBSFN TDM Information List |
MP |
1 to <maxMBMSservUnmodif> |
REL-7 |
||
|
>MBMS short transmission ID |
MP |
MBMS Short transmission identity 10.3.9a.10 |
REL-7 |
||
|
>TDM_Rep |
MP |
Integer (2..9) |
REL-7 |
||
|
>TDM_Offset |
MP |
Integer (0..8) |
REL-7 |
||
|
>TDM_Length |
MP |
Integer (1..8) |
REL-7 |
10.3.9a.13 MCCH configuration information
Includes information about the MCCH configuration.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
Access Info Period coefficient |
MP |
Integer (0..3) |
Represents a, the access information coefficient. The number of repetitions per modification period equals 2a while the actual access information period, in number of frames, equals MP DIV 2a |
REL-6 |
|
|
Repetition Period coefficient |
MP |
Integer (0..3) |
Represents r, the repetition period coefficient. The number of repetitions per modification period equals 2r while the actual repetition period, in number of frames, equals MP DIV 2r |
REL-6 |
|
|
Modification period coefficient |
MP |
Integer (7..10) |
Represents m, the modification period coefficient. The actual modification period (MP), in number of frames, equals 2m |
REL-6 |
|
|
RLC info |
MP |
RLC info MBMS 10.3.4.23a |
REL-6 |
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TCTF presence |
CV-MBMS |
Enumerated (FALSE) |
By default the TCTF is present even though the FACH only carries one logical channel (type). When this IE is included, the TCTF is absent |
REL-6 |
|
Condition |
Explanation |
|
MBMS |
This IE is not needed if the IE is contained within the IE “Secondary CCPCH system information”, otherwise the IE is optional. |
10.3.9a.14 MICH configuration information
Includes information about the MICH configuration.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MICH Power offset |
MP |
MICH Power offset 10.3.9a.15 |
REL-6 |
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CHOICE mode |
MP |
REL-6 |
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|
>FDD |
REL-6 |
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>>Channelisation code |
MP |
Integer (0..255) |
REL-6 |
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>>Number of NI per frame |
MP |
Integer (18, 36, 72, 144) |
REL-6 |
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|
>>STTD indicator |
MP |
STTD Indicator 10.3.6.78 |
If the cell is operating in MBSFN mode as indicated in subclause 8.1.1.6.3, the UE behaviour upon reception of this IE is unspecified. |
REL-6 |
|
|
>TDD |
REL-6 |
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>>Timeslot number |
MP |
Timeslot number 10.3.6.84 |
REL-6 |
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>>Midamble shift and burst type |
MP |
Midamble shift and burst type 10.3.6.41 |
For 1.28 Mcps TDD, if the cell is operating in MBSFN mode, the UE shall ignore the contents of this IE. |
REL-6 |
|
|
>>CHOICE TDD option |
MP |
REL-6 |
|||
|
>>>3.84 Mcps TDD |
REL-6 |
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|
>>>>Channelisation code |
MP |
Enumerated ( (16/1)…(16/16)) |
REL-6 |
||
|
>>>7.68 Mcps TDD |
REL-7 |
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>>>>Channelisation code |
MP |
Enumerated ( (32/1)…(32/32)) |
REL-7 |
||
|
>>>1.28 Mcps TDD |
REL-6 |
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|
>>>>Codes list |
MP |
1 to 2 |
REL-6 |
||
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>>>>>Channelisation code |
MP |
Enumerated ( (16/1)…(16/16)) |
REL-6 |
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>>>> MBSFN Special Time Slot |
OP |
Time Slot LCR Extension 10.3.6.83a |
For 1.28 Mcps TDD MBSFN only mode, this IE indicates the SCCPCH is deployed on the MBSFN Special Time Slot [30]. The IE ‘Timeslot number’ shall be ignored if this IE appears. |
REL-7 |
|
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>>Repetition period/length |
MD |
Enumerated((4/2),(8/2), (8/4),(16/2), (16/4), (32/2),(32/4),(64/2),(64/4)) |
Default value is “(64/2)”. |
REL-6 |
|
|
>>Offset |
MP |
Integer (0…Repetition period -1) |
SFN mod Repetitionperiod = Offset. |
REL-6 |
|
|
>>MBMS Notification indicator length |
MD |
Integer (4, 8, 16) |
Indicates the length of one MBMS Notification indicator in bits. Default value is 4. |
REL-6 |
|
|
>3.84 Mcps TDD MBSFN IMB |
REL-8 |
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|
>>Channelisation code |
MP |
Integer (0..255) |
SF = 256; only the channelisation codes 2 to 15 are applicable |
REL-8 |
|
|
>>Number of NI per frame |
MP |
Integer (16, 32, 64, 128) |
REL-8 |
10.3.9a.15 MICH Power offset
This is the power transmitted on the MICH minus power of the Primary CPICH in FDD and Primary CCPCH Tx Power in TDD.
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MICH Power offset |
MP |
Integer(-10 .. +5) |
Offset in dB |
REL-6 |
10.3.9a.16 MSCH configuration information
Includes information about the MSCH configuration.
|
Information element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
MSCH Scheduling information |
MP |
For FDD, scheduling information is provided starting at (SFN (SCTO div 10ms)) mod MSCH_REP = MSCH_OFF For TDD, scheduling information is provided starting at SFN mod MSCH_REP = MSCH_OFF |
REL-6 |
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|
>Scheduling period |
MD |
Enumerated (32, 64, 128, 256, 512, 1024) |
The period, in number of frames, between MBMS scheduling messages (MSCH_REP) Default value is the value included in the MBMS GENERAL INFORMATION message |
REL-6 |
|
|
>Scheduling offset |
MD |
Integer (0..(MSCH_REP-1)) |
The position of MBMS scheduling messages relative to timing of the corresponding cell (MSCH_OFF) Default value is the value included in the MBMS GENERAL INFORMATION message |
REL-6 |
|
|
>RLC info |
MD |
RLC info MBMS 10.3.4.23a |
Default value is the one included in the MBMS GENERAL INFORMATION message |
REL-6 |
|
|
TCTF presence |
OP |
Enumerated (FALSE) |
By default the TCTF is present even though the FACH only carries one logical channel (type). When this IE is included, the TCTF is absent |
REL-6 |
10.3.9a.17 Network Standard Time Information
NOTE: Only for 1.28Mcps TDD
This IE includes information about the Network Standard Time and a related SFN value. If Correlative SFN is absent, the default Correlative SFN is equal to zero, this means the "Network Standard Time" indicate the standard time value when SFN equal zero.
The "Network Standard Time" occupied 40 bits; the format refers to "ETSI EN 300 468 V1.5.1 (2003-05)".
|
Information Element/Group name |
Need |
Multi |
Type and reference |
Semantics description |
Version |
|
Network Standard Time |
MP |
BIT STRING (40) |
Network Standard Time |
REL-8 |
|
|
Correlative SFN |
OP |
Integer (0..4095) |
System frame number which is correlative with Network Standard Time Information. If it is absent, Correlative SFN is equal to zero. |
REL-8 |