Resource Efficiency for MBS Reception

CC for FS_5MBS_Ph2 LiMeng

Agenda Document reordering; Resource efficiency for MBS reception in RAN sharing scenario (LSs); KI#1; KI#2; KI#3; KI#5; LS out proposals; TS proposals;

Document reordering See the latest chairman s note at the following link: https://www.3gpp.org/ftp/tsg_sa/WG2_Arch/TSGS2_154_Toulouse_2022-11/INBOX/Chair_Notes/ChairNotes_Tao_11-09-1525.doc Handling of Solution update documents: Proposal: lower priority, open them once we go through all other papers.

Resource efficiency for MBS reception in RAN sharing scenario 9.18.1 S2-2210174 LS from RAN WG3: LS on the scope of resource efficiency for MBS reception in RAN sharing scenario RAN WG3 (R3-225229) 9.18.1 S2-2210175 LS from TSG RAN: Reply LS on the scope of resource efficiency for MBS reception in RAN sharing scenario TSG RAN (RP-222678) View 1: Potential alignment in normative phase (Ericsson) 9.18.1S2-2210251 LS OUT Approval [DRAFT] Reply LS on the scope of resource efficiency for MBS reception in RAN sharing scenario Ericsson Rel- 18 FS_5MBS_Ph2, NR_MBS_enh, NR_MBS_enh-Core Response to S2-2210174 View 2: Not pursue in Rel-18 study phase and normative phase (Nokia, Qualcomm, ZTE) 9.18.1S2-2210821 LS OUT Approval [DRAFT] Reply LS on on the scope of resource efficiency for MBS reception in RAN sharing scenario [DRAFT] Reply LS on the scope of resource efficiency for MBS reception in RAN sharing scenario [DRAFT] Reply LS on the scope of resource efficiency for MBS reception in RAN sharing scenario Nokia, Nokia Shanghai-Bell Rel- 18 FS_5MBS_Ph2 Revision of (Merged and Withdrawn) S2- 2208285. Response to S2-2210175 9.18.1S2-2210762 LS OUT Approval Qualcomm Rel- 18 NR_MBS_enh-Core Revision of (Merged and Withdrawn) S2- 2208869. Response to S2-2210175 9.18.1S2-2210323 LS OUT Approval ZTE Rel- 18 FS_5MBS_Ph2 Response to S2-2210175

KI#1: Evaluation and Conclusion 9.18.1 S2-2210530 P-CR Approval 23.700-47: KI#1: Further evaluation and conclusion update based on RAN feedback. 23.700-47: KI#1, Update to Conclusion. 23.700-47: KI#1, update the conclusion for KI#1. 23.700-47: KI#1 conclusions update. 23.700-47: Conclusions for KI#1. Huawei, HiSilicon Issue x: The procedure sending per-UE information from AF to 5GC View a: Using External parameter provisioning procedure; View b: Using MBS Session Creation procedure; 9.18.1 S2-2210252 P-CR Approval Ericsson 9.18.1 S2-2210326 P-CR Approval ZTE 9.18.1 S2-2210578 P-CR Approval CATT 9.18.1 S2-2210750 P-CR Approval Qualcomm Incorporated Nokia, Nokia Shanghai Bell, ZTE Issue y: The parameters used to represent the preliminary UEs sending from 5GC (SMF) to NG-RAN nodes View a: Using a dedicated IE to represent that the certain UE is suggested to be kept in RRC_CONNECTED state; View b: Using current existing parameters e.g., ARP, 5QI, or Expected Activity Period; 9.18.1 S2-2210822 P-CR Approval 23.700-47: Updates to Conclusion for key issue 1. 23.700-47: KI1#, discussion and proposal on the LS response from RAN WG2 and RAN WG3 for the KI#1. 9.18.1 S2-2210325 P-CR Discussion Issue x Issue y Issue z View a View b View a View b View a View b Issue z: The parameter used to represent the UE level assistance information is per MBS session, or per UE. View a: The parameter is per MBS session. View b: The parameter is per UE. Nokia ? ? Qualcomm ZTE Ericsson Huawei

KI#2: Evaluation and Conclusion Option a: Use common TMGI among PLMNs to represent the same broadcast service Option b: Use Pre-configured TMGI relationship at NG-RAN node Option c: Use SSM to represent the same broadcast service 9.18.1 9.18.1 9.18.1 9.18.1 9.18.1 9.18.1 S2-2210253 S2-2210230 S2-2210324 S2-2210442 S2-2210758 S2-2210445 P-CR P-CR P-CR P-CR P-CR DISCUSSION Approval Approval Approval Approval Approval Discussion 23.700-47: KI#2, Update on Conclusion on 5MBS MOCN Network Sharing. Ericsson 23.700-47: Updates to Evaluation and Conclusion for key issue 2. 23.700-47: KI#2, update the conclusion for the Key issue#2. 23.700-47: KI#2: Conclusion update. 23.700-47: Conclusions for KI#2. KI#2: Discussion and way forward proposal. Nokia, Nokia Shanghai Bell, ZTE Huawei, HiSilicon Qualcomm Incorporated Huawei, HiSilicon Option a Option b Option c Nokia Qualcomm ZTE Ericsson Huawei

KI#3: Evaluation and Conclusion View a: Nothing to be normalized View b: Adopt Solution #11 View c: Adopt option a of Solution #30 9.18.1 9.18.1 S2-2210231 S2-2210254 P-CR P-CR Approval Approval 23.700-47: Conclusion for key issue 3. 23.700-47: KI#3, Evaluation update and Conclusion. 23.700-47: KI#3 update to evaluation and conclusion. Nokia, Nokia Shanghai Bell, Ericsson, Qualcomm 9.18.1 S2-2210802 P-CR Approval China Mobile View a View b View c Nokia Qualcomm CMCC Ericsson

KI#5: Evaluation and Conclusion Option a: Adopt Solution #14 as the basis Option b: Adopt Solution #29, periodical option (using current mechanism?) Option c: Adopt Solution #29, deferred activation option 9.18.1 9.18.1 9.18.1 9.18.1 S2-2210854 S2-2210232 S2-2210255 S2-2210329 P-CR P-CR P-CR P-CR Approval Approval Approval Approval 23.700-47: Conclusions for KI#5. 23.700-47: Conclusion for key issue 5. 23.700-47: KI#5, Conclusion . 23.700-47: KI#5, updating the evaluation and adding the conclusion. 23.700-47: KI#5: Conclusion update. Qualcomm Incorporated Nokia, Nokia Shanghai Bell, Ericsson ZTE 9.18.1 S2-2210443 P-CR Approval Huawei, HiSilicon Option a Option b Option c Nokia Qualcomm ZTE Ericsson Huawei

LS out proposals 9.18.1 S2-2210441 LS OUT Approval [DRAFT] Reply LS to RAN WGs regarding FS_5MBS_Ph2 [DRAFT] Reply LS on UE capabilities for MBS Qualcomm Huawei, HiSilicon 9.18.1 S2-2210761 LS OUT Approval S2-2210441 is to inform RAN WGs the conclusion of SA2.

Solution updates 9.18.1 S2-2210234 P-CR Approval 23.700-47: KI#5, Sol#25 Update. Nokia, Nokia Shanghai-Bell ZTE 9.18.1 S2-2210327 P-CR Approval 23.700-47: KI#1, update the solution#6. 23.700-47: KI#1, update the solution#28. 23.700-47: KI#1 and KI#6, Sol#26 Update to address ENs. 9.18.1 S2-2210328 P-CR Approval ZTE 9.18.1 S2-2210823 P-CR Approval Nokia, Nokia Shanghai-Bell