8.5.4 MBMS Modification Request
34.123-13GPPPart 1: Protocol conformance specificationRelease 15TSUser Equipment (UE) conformance specification
8.5.4.1 Transmission of the MBMS Selected Services Information when entering RRC connected mode and CELL_DCH state / MBMS Selected Service
8.5.4.1.1 Definition
This test is applicable for all UEs that support MBMS broadcast services.
8.5.4.1.2 Conformance requirement
A UE entering CELL_DCH shall initiate the MBMS modification request procedure in the following cases:
1> if the UE has any MBMS Selected Service; and
1> if the IE "MCCH configuration information" was received in System Information Block Type 5 or System Information Block Type 5bis prior to entering CELL_DCH.
A UE completing an RRC Connection Setup procedure shall initiate the MBMS modification request procedure in the following cases:
1> if the UE has any MBMS Selected Service; and
1> if the IE "MCCH configuration information" was received in System Information Block Type 5 or System Information Block Type 5bis prior to completing the RRC Connection Setup procedure.
…
The UE shall set the contents of the MBMS MODIFICATION REQUEST message as follows:
1> if there is a change in selection of one or more of the MBMS Selected Services:
2> if the UE has not selected any MBMS Selected Service:
3> include the MBMS Selected Service Info and set the Status to ‘None’.
2> otherwise:
3> include the MBMS Selected Service Info and set the Status to ‘Some’.
3> for each MBMS Selected Service:
4> include the MBMS Selected Service ID.
Reference
3GPP TS 25.331 clauses 8.7.6.2, 8.7.6.2a.
8.5.4.1.3 Test purpose
1. To verify that when the list of MBMS Selected Services is not empty, the UE sends the MBMS Selected Services Information to the network when entering RRC connected mode.
2. To verify that when the list of MBMS Selected Services is not empty, the UE sends the MBMS Selected Services Information to the network when entering CELL_DCH state.
8.5.4.1.4 Method of test
Initial condition
System Simulator:
1 MBMS cell.
User Equipment:
The UE is interested in the selected service to be provided by the SS (included in MBMS_ACTIVATED_SERVICES variable).
The UE is in Idle Mode as specified in clause 7.6 of TS 34.108.
Related ICS/IXIT statements
– MBMS Broadcast service application available on UE Yes / No
Test procedure
The UE is in idle mode and has selected MBMS Service 1. The UE performs an outgoing call to setup a PS service. After the RRC connection establishment, the UE transmits an MBMS MODIFICATION REQUEST message containing the selected service to the SS.
Then the SS transmits a PHYSICAL CHANEL RECONFIGURATION message to move the UE to CELL_DCH state. After entering CELL_DCH state, the UE transmits an MBMS MODIFICATION REQUEST message containing the selected service to the SS.
Expected sequence
|
Step |
Direction |
Message |
Comments |
|
|---|---|---|---|---|
|
UE |
SS |
|||
|
1 |
|
RRC CONNECTION REQUEST |
||
|
2 |
|
RRC CONNECTION SETUP |
||
|
3 |
|
RRC CONNECTION SETUP COMPLETE |
||
|
4 |
|
MBMS MODIFICATION REQUEST |
This message may be received at any point after step 3 but before step 10. |
|
|
5 |
VOID |
|||
|
6 |
|
SECURITY MODE COMMAND |
||
|
7 |
|
SECURITY MODE COMPLETE |
||
|
8 |
|
RADIO BEARER SETUP |
||
|
9 |
|
RADIO BEARER SETUP COMPLETE |
||
|
10 |
|
PHYSICAL CHANNEL RECONFIGURATION |
||
|
11 |
|
PHYSICAL CHANNEL RECONFIGURATION COMPLETE |
The UE enters CELL_DCH state |
|
|
12 |
|
MBMS MODIFICATION REQUEST |
||
Specific message contents
RRC CONNECTION SETUP (Step 2)
Use the message sub-type titled “Transition to CELL_FACH” in TS 34.108 clause 9.
MBMS MODIFICATION REQUEST (steps 4 and 12)
|
Information Element |
Value/remark |
|
MBMS preferred frequency request |
Check that the IE is not present |
|
MBMS RB list requested to be released |
Check that the IE is not present |
|
MBMS Selected Service Info |
|
|
– CHOICE Status |
Some |
|
– MBMS Selected Services Full |
|
|
– MBMS Selected Service ID |
|
|
– MBMS Service ID |
MBMS service ID of the activated MBMS service |
|
– CHOICE PLMN identity |
Check to see that one of the below choice element is present |
|
– SameAs-MIB |
(no data) |
|
– explicitPLMN_Id |
Check to see if it is set to the same value as "PLMN ID” in the Master Information block transmitted for the current serving cell. |
RADIO BEARER SETUP (Step 8)
Use the message sub-type titled "Packet to CELL_FACH from CELL_FACH in PS" in 34.108 clause 9.PHYSICAL CHANNEL RECONFIGURATION (Step 10)
Use the message sub-type titled "Packet to CELL_DCH from CELL_FACH in PS" in 34.108 clause 9.
8.5.4.1.5 Test requirements
After step 3, the UE shall transmit an MBMS MODIFICATION REQUEST message.
After step 11, the UE shall transmit an MBMS MODIFICATION REQUEST message.
8.5.4.2 Modification of the MBMS Selected Services list whilst in URA_PCH & Cell_FACH / MBMS Selected Service
8.5.4.2.1 Definition
This test is applicable for Rel-6 UEs supporting MBMS broadcast services.
8.5.4.2.2 Conformance requirement
A UE in CELL_FACH, CELL_PCH or URA_PCH state shall initiate the MBMS modification request procedure in the following cases:
1> upon a change of the MBMS Selected Services; and
1> if the IE "Indicate changes in MBMS Selected Services" that is included in the MBMS GENERAL INFORMATION message is set to TRUE.
If the UE is required to initiate the MBMS modification request procedure as specified in the conditions above, the UE shall:
1> transmit an MBMS MODIFICATION REQUEST message with the contents as specified in subclause 8.7.6.2a.
The UE shall set the contents of the MBMS MODIFICATION REQUEST message as follows:
1> if the preferred frequency applicable for the MBMS service prioritised by upper layers is different from the currently used frequency:
2> include the IE "MBMS preferred frequency request" and set it to the prioritised MBMS service identity.
1> if upper layers request to discontinue reception of an MBMS service provided via a p-t-p radio bearer:
2> include the p-t-p radio bearers used for the corresponding MBMS services within the IE "MBMS RB list requested to be released".
1> if the UE enters CELL_DCH; or
1> if the UE completes the RRC connection establishment procedure; or
1> if there is a change in selection of one or more of the MBMS Selected Services:
2> if the UE has not selected any MBMS Selected Service:
3> include the MBMS Selected Service Info and set the Status to ‘None’.
2> otherwise:
3> include the MBMS Selected Service Info and set the Status to ‘Some’.
3> for each MBMS Selected Service:
4> include the MBMS Selected Service ID.
Reference
3GPP TS 25.331, clauses 8.7.6.2, 8.7.6.2a.
8.5.4.2.3 Test purpose
To verify that when a UE is in URA_PCH the introduction of a MBMS Service ID onto the MCCH does not trigger the UE to send a update to the network.
To verify that when the list of MBMS Selected Services is modified in the UE in URA_PCH or CELL_FACH, when the network indicates it should do so (in the MBMS General Information message), the UE informs the network that the MBMS selected Services have changed.
To verify that when the list of MBMS Selected Services is modified in the UE in CELL_FACH, when the network indicates it should not update the network (in the MBMS General Information message), ensure that the UE does not inform the network that the MBMS selected Services have changed.
8.5.4.2.4 Method of test
Initial condition
System Simulator:
1 MBMS cell.
User Equipment:
The UE is in URA_PCH state as specified in clause 7.6 of TS 34.108.
The UE is interested in the selected service to be provided by the SS (included in MBMS_ACTIVATED_SERVICES variable).
Related ICS/IXIT statements
– MBMS Broadcast service application available on UE Yes / No
Test procedure
a) The MCCH on Cell 21 is modified to indicate the availability of service 1, and the Notification Indicator on MICH corresponding to service 1 is set. The IE “MBMS re- acquire MCCH” that is included in MBMS MODIFIED SERVICES INFORMATION is set to TRUE. The IE "Indicate changes in MBMS Selected Services" that is included in the MBMS GENERAL INFORMATION message is set to TRUE. The SS starts service 1 using the 64.8kbps radio bearer configuration as specified in TS 34.108 clause 6.10.2.4.3.5.
b) The SS verifies for 1 complete modification period that the UE does not perform a Cell Update or send MBMS MODIFICATION REQUEST.
c) Service 1 is removed from the UE selected services.
d) The UE performs a Cell Update, indicating “Uplink data transmission”. The Cell Update Confirm message moves the UE to CELL_FACH state.
e) The UE transmits MBMS MODIFICATION REQUEST indicating the list of selected services (Status = “None”).
f) Service 1 is added to the UE selected services.
g) The UE transmits MBMS MODIFICATION REQUEST indicating the list of selected services (service 1).
h) The MCCH on Cell 21 is modified, and the Notification Indicator on MICH corresponding to service 1 is set. The IE “MBMS re- acquire MCCH” that is included in MBMS MODIFIED SERVICES INFORMATION is set to TRUE. The IE "Indicate changes in MBMS Selected Services" that is included in the MBMS GENERAL INFORMATION message is set to FALSE.
i) After 1 complete modification period, service 1 is removed from the UE selected services.
j) The SS verifies for 1 complete modification period that the UE does not perform a Cell Update and/or send MBMS MODIFICATION REQUEST.
k) Service 1 is added to the UE selected services.
l) The SS verifies for 1 complete modification period that the UE does not perform a Cell Update and/or send MBMS MODIFICATION REQUEST.
Expected Sequence
|
Step |
Direction |
Message |
Comments |
|
|
UE |
SS |
|||
|
1 |
The UE state in Cell 21 is: URA_PCH UE: Service 1 only is selected. |
|||
|
2 |
|
MBMS MODIFIED SERVICES INFORMATION |
SS indicates the availability of the MBMS broadcast service 1. ‘MBMS re- acquire MCCH’ = TRUE SS: MCCH message combination C4 for 1 modification period, then combination C2. |
|
|
3 |
|
MBMS GENERAL INFORMATION |
‘Indicate changes in MBMS Selected Services’ = TRUE |
|
|
4 |
SS verifies for 1 complete modification period that the UE does not send MBMS MODIFICATION REQUEST. |
|||
|
5 |
Service 1 is removed from the UE selected services. |
|||
|
6 |
|
CELL UPDATE |
||
|
7 |
|
CELL UPDATE CONFIRM |
The UE shall move to CELL_FACH state |
|
|
7a |
|
UTRAN MOBILITY INFORMATION CONFIRM |
||
|
8 |
|
MBMS MODIFICATION REQUEST |
MBMS Selected Service Info: Status = ‘None’. |
|
|
9 |
Service 1 is added to the UE selected services. |
|||
|
10 |
|
MBMS MODIFICATION REQUEST |
MBMS Selected Service Info: Status = ‘Some’. MBMS Selected Service ID = 5 |
|
|
11 |
|
MBMS MODIFIED SERVICES INFORMATION |
SS indicates a change in MBMS broadcast service 1. SS: MCCH message combination C4 for 1 modification period, then combination C2. |
|
|
12 |
|
MBMS GENERAL INFORMATION |
‘Indicate changes in MBMS Selected Services’ = FALSE |
|
|
13 |
After 1 complete modification period, the UE removes service 1 from the selected services. |
|||
|
14 |
SS verifies that the UE does not send MBMS MODIFICATION REQUEST or Cell Update. |
|||
|
15 |
After 1 complete modification period, the UE adds service 1 to the selected services. |
|||
|
16 |
SS verifies that the UE does not send MBMS MODIFICATION REQUEST or Cell Update. |
|||
Specific message contents
MBMS MODIFIED SERVICES INFORMATION (Step 2)
The same message found in TS 34.108 clause 9, with the following exceptions:
|
Information Element |
Value/remark |
|
Modified service list |
|
|
– MBMS Transmission identity |
|
|
– MBMS Service ID |
‘000005’ |
|
– MBMS Session ID |
1 |
|
– MBMS required UE action |
Acquire PTM RB Info |
|
– Continue MCCH reading |
FALSE |
|
MBMS re- acquire MCCH |
TRUE |
MBMS GENERAL INFORMATION (Step 3)
The same message found in TS 34.108 clause 9, with the following exceptions:
|
Information Element |
Value/remark |
|
Indicate changes in MBMS Selected Services |
TRUE |
CELL UPDATE (Step 6)
The same message found in TS 34.108 clause 9 shall be transmitted by the UE on the uplink CCCH, with the exception of the following IEs:
|
Information Element |
Value/remark |
|
Cell Update Cause |
Check to see if set to ‘uplink data transmission’ |
CELL UPDATE CONFIRM (Step 7)
|
Information Element |
Value/remark |
|
New C-RNTI |
‘1010 1010 1010 1010’ |
MBMS MODIFICATION REQUEST (STEP 8)
|
Information Element |
Value/remark |
|
MBMS Selected Service Info |
|
|
– CHOICE Status |
None |
MBMS MODIFICATION REQUEST (STEP 10)
|
Information Element |
Value/remark |
|
MBMS Selected Service Info |
|
|
– CHOICE Status |
Some |
|
– MBMS Selected Services |
|
|
– MBMS Selected Service ID |
‘000005’ |
|
– CHOICE PLMN identity |
Check to see that one of the below choice element is present |
|
– SameAs-MIB |
(no data) |
|
– explicitPLMN_Id |
Check to see if it is set to the same value as "PLMN ID” in the Master Information block transmitted for the current serving cell. |
MBMS MODIFIED SERVICES INFORMATION (Step 11)
The same message found in TS 34.108 clause 9, with the following exceptions:
|
Information Element |
Value/remark |
|
Modified service list |
|
|
– MBMS Transmission identity |
|
|
– MBMS Service ID |
‘000005’ |
|
– MBMS Session ID |
1 |
|
– MBMS required UE action |
None |
|
– Continue MCCH reading |
FALSE |
|
MBMS re- acquire MCCH |
TRUE |
MBMS GENERAL INFORMATION (Step 12)
The same message found in TS 34.108 clause 9, with the following exceptions:
|
Information Element |
Value/remark |
|
Indicate changes in MBMS Selected Services |
FALSE |
8.5.4.2.5 Test requirements
In steps b, j, and l the UE shall not send MBMS MODIFICATION REQUEST.
In step e the UE shall transmit MBMS GENERAL INFORMATION indicating the list of selected services (Status = “None”).
In step g the UE shall transmit MBMS GENERAL INFORMATION indicating the list of selected services (Status = “Some”, MBMS Selected Service ID = ‘000005’).
8.5.4.3 Testing of the MBMS Selected Services indication from the network whilst in CELL_DCH / MBMS Selected Service
8.5.4.3.1 Definition
This test is applicable for Rel-6 UEs supporting MBMS broadcast services and MBMS p-t-m reception in CELL_DCH state.
8.5.4.3.2 Conformance requirement
A UE in CELL_DCH shall initiate the MBMS modification request procedure in the following cases:
1> the preferred frequency applicable for the MBMS service prioritised by upper layers is different from the currently used frequency;
1> upper layers request to discontinue reception of an MBMS service provided via a p-t-p radio bearer e.g. because this inhibits reception of a higher priority service;
1> upon a change in selection of the MBMS Selected Services.
NOTE: The above case may occur upon receiving a dedicated notification or in other cases e.g. a change of transfer mode from p-t-p to p-t-m for the UE’s highest priority MBMS service.
…
If the UE is required to initiate the MBMS modification request procedure as specified in the conditions above, the UE shall:
1> transmit an MBMS MODIFICATION REQUEST message with the contents as specified in subclause 8.7.6.2a.
The UE shall set the contents of the MBMS MODIFICATION REQUEST message as follows:
1> if the preferred frequency applicable for the MBMS service prioritised by upper layers is different from the currently used frequency:
2> include the IE "MBMS preferred frequency request" and set it to the prioritised MBMS service identity.
1> if upper layers request to discontinue reception of an MBMS service provided via a p-t-p radio bearer:
2> include the p-t-p radio bearers used for the corresponding MBMS services within the IE "MBMS RB list requested to be released".
1> if the UE enters CELL_DCH; or
1> if the UE completes the RRC connection establishment procedure; or
1> if there is a change in selection of one or more of the MBMS Selected Services:
2> if the UE has not selected any MBMS Selected Service:
3> include the MBMS Selected Service Info and set the Status to ‘None’.
2> otherwise:
3> include the MBMS Selected Service Info and set the Status to ‘Some’.
3> for each MBMS Selected Service:
4> include the MBMS Selected Service ID.
Reference
3GPP TS 25.331, clauses 8.7.6.2, 8.7.6.2a.
8.5.4.3.3 Test purpose
To verify that the UE updates the MBMS Selected Service Information at the introduction of a MBMS Service ID on the MCCH, when the UE is in CELL_DCH state.
8.5.4.3.4 Method of test
Initial condition
System Simulator:
– 1 MBMS cell.
User Equipment:
– The UE is in CELL_DCH state as specified in clause 7.6 of TS 34.108.
– The UE is interested in the selected service to be provided by the SS (included in MBMS_ACTIVATED_SERVICES variable).
Related ICS/IXIT statements
– MBMS Broadcast service application available on UE Yes/No
– UE supports MBMS MCCH reception in CELL_DCH state Yes/No
Test procedure
a) The MCCH on Cell 21 is modified to indicate the availability of service 1, and the Notification Indicator on MICH corresponding to service 1 is set. The IE “MBMS re- acquire MCCH” that is included in MBMS MODIFIED SERVICES INFORMATION is set to TRUE. The SS starts service 1 using the 64.8kbps radio bearer configuration as specified in TS 34.108 clause 6.10.2.4.3.5.
b) The SS verifies for 1 complete modification period that the UE does not send MBMS MODIFICATION REQUEST.
c) Service 1 is removed from the UE selected services.
d) The UE transmits MBMS MODIFICATION REQUEST indicating the list of selected services (Status = “None”).
e) Service 1 is added to the UE selected services.
f) The UE transmits MBMS MODIFICATION REQUEST indicating the list of selected services (service 1).
Expected Sequence
|
Step |
Direction |
Message |
Comments |
|
|
UE |
SS |
|||
|
1 |
The UE state in Cell 21 is: CELL_DCH UE: Service 1 only is selected. |
|||
|
2 |
|
MBMS MODIFIED SERVICES INFORMATION |
SS indicates the availability of the MBMS broadcast service 1. ‘MBMS re- acquire MCCH’ = TRUE SS: MCCH message combination C4 for 1 modification period, then combination C2. |
|
|
3 |
SS verifies for 1 complete modification period that the UE does not send MBMS MODIFICATION REQUEST. |
|||
|
4 |
Service 1 is removed from the UE selected services. |
|||
|
5 |
|
MBMS MODIFICATION REQUEST |
MBMS Selected Service Info: Status = ‘None’. |
|
|
6 |
Service 1 is added to the UE selected services. |
|||
|
7 |
|
MBMS MODIFICATION REQUEST |
MBMS Selected Service Info: Status = ‘Some’. MBMS Selected Service ID = 5 |
|
Specific message contents
MBMS MODIFIED SERVICES INFORMATION (Step 2)
The same message found in TS 34.108 clause 9, with the following exceptions:
|
Information Element |
Value/remark |
|
Modified service list |
|
|
– MBMS Transmission identity |
|
|
– MBMS Service ID |
‘000005’ |
|
– MBMS Session ID |
1 |
|
– MBMS required UE action |
Acquire PTM RB Info |
|
– Continue MCCH reading |
FALSE |
|
MBMS re- acquire MCCH |
TRUE |
MBMS MODIFICATION REQUEST (STEP 5)
|
Information Element |
Value/remark |
|
MBMS Selected Service Info |
|
|
– CHOICE Status |
None |
MBMS MODIFICATION REQUEST (STEP 7)
|
Information Element |
Value/remark |
|
MBMS Selected Service Info |
|
|
– CHOICE Status |
Some |
|
– MBMS Selected Services Full |
|
|
– MBMS Selected Service ID |
|
|
– MBMS Service ID |
‘000005’ |
|
– CHOICE PLMN identity |
Check to see that one of the below choice element is present |
|
– SameAs-MIB |
(no data) |
|
– explicitPLMN_Id |
Check to see if it is set to the same value as "PLMN ID” in the Master Information block transmitted for the current serving cell. |
8.5.4.3.5 Test requirements
In step 3 the UE shall not send MBMS MODIFICATION REQUEST.
In step 5 the UE shall transmit MBMS MODIFICATION REQUEST indicating the list of selected services (Status = “None”).
In step 7 the UE shall transmit MBMS MODIFICATION REQUEST indicating the list of selected services (Status = “Some”, MBMS Service ID = ‘000005’).