Applicability of Schedule Description metadata unit in MBS User Service Announcement is inconsistent

[rjb1000]

Background

TS 26.517 describes a Schedule Description metadata unit that is used to advertise the (optional) time schedule for MBS data transmissions.

Problem description

• Figure 5.1-1 indicates that the Schedule Description metadata unit is associated with the User Service Description as a whole.
• The text in clause 5.2.7 paragraph 2 states that the schedule applies to just one MBS Distribution Session.

This is a contradiction.

Suggested solution

My assumption is that the Schedule Description metadata unit is intended to apply to the User Service Description since it is provisioned at this level in TS 26.502.

Amend the text in clause 5.2.7 paragraph 2 to align with figure 5.1-1.

[rjb1000]

Draft Change Request to TS 26.517 V17.2.0 here:

• S4aI230066.

[rjb1000]

Decision to merge the above draft CR into a consolidated CR from @haudiobe at SA4#123-e:

• TS 26.517 CR0001 "[5MBP3] General Updates and Corrections".
  • Draft revision here.

[rjb1000]

Qualcomm contribution to SA4#123-e incorporates this change:

• TS 26.517 CR0001r6 "[5MBP3] General Updates and Corrections" in S4-230535.

[rjb1000]

Change Request revised and noted at SA4#123-e:

• TS 26.517 CR0001r7 "[5MBP3] General Updates and Corrections" in S4-230731.

This will be further developed at SA4#124 Berlin, including possible merger of related CRs.

[rjb1000]

Included in CR contributed to SA4#124 (Berlin) by @haudiobe:

• TS 26.517 CR0001r9 "[5MBP3] General Updates and Corrections" in S4-230803.

[rjb1000]

CR endorsed as the basis for further work at SA4#124 (Berlin):

• TS 26.517 CR0001r10 "[5MBP3] General Updates and Corrections" in S4-230975.

[rjb1000]

No notable progress at SA4#125.

Latest draft CR contributed by @haudiobe was endorsed:

• TS 26.517 Rel-17 CR0001r13 "General Updates and Corrections" in S4-231394.

Pushing on to SA4#126.

[rjb1000]

No notable progress at SA4#126.

Latest draft CR contributed by @haudiobe was endorsed:

• TS 26.517 Rel-17 CR0001r14 "General Updates and Corrections" in S4-231882.

Offline editing in progress.

Pushing on to SA4#127.

[rjb1000]

The Schedule Description has been extensively reworked by @tlohmar, @rjb1000 and @haudiobe in the run up to SA4#127 (Sophia Antipolis) and was endorsed at this meeting:

• TS 26.517 Rel-17 CR0001r18 "General Updates and Corrections" in S4-240413.

Further offline editing to occur after this meeting with power granted to SA4 ad hoc meeting to agree a revision of CR0001 to be sent to SA#103 (Maastrict) for agreement.

[rjb1000]

Result of offline editing after SA4#127:

• TS 26.517 Rel-17 CR0001r21 "General Updates and Corrections" in S4aI240019.

Power granted to SA4 ad hoc meeting to agree a revision to be sent to SA#103 (Maastricht) for agreement.

[rjb1000]

Following online editing, Change Request agreed by ad hoc meeting:

• TS 26.517 Rel-17 CR0001r22 "General Updates and Corrections" in S4aI240026.

This has agreed status in SA4:

• TS 26.517 Rel-17 CR0001r23 "General Updates and Corrections" in S4-240533

Sent to SA#103 (Maastricht) for approval in CR Pack SP-240272.