[{"name":"S2-2400065","title":"LS from RAN WG3: LS on RAN WG3 agreements on mobile IAB","source":"RAN WG3","contact":"Ying Huang","contact-id":90961,"tdoctype":"LS in","for":"Action","abstract":"RAN WG3 reached following consensus that may affect SA WG2 specifications: TAC\/RANAC: The mobile IAB-DU s TAC\/RANAC is only configured by the OAM. N2 based handover of mobile IAB with no PDU session activated: in some cases, a mobile IAB may have no PDU sessions activated. In these cases, RAN WG3 agreed that, during the N2 handover preparation procedure, the AMF shall ignore the PDU Session Resource List IE, as captured in the TP to 38.413 BL CR R3-237430. Indication to AMF: After the IAB-donor has completed the operation (e.g. handover the UEs, F1 removal, etc) for a non-authorized mobile IAB, the IAB-donor serving the mobile IAB-MT sends an NGAP indication to AMF in the NGAP UE CONTEXT RELEASE REQUEST message including a new cause value, so the AMF may take further action, e.g. deregister the mobile IAB-MT. The agreed RAN WG3 TP (R3-238021) is attached. Action: RAN WG3 kindly asks SA WG2 to take the above RAN WG3 decision into account and take corresponding action if needed.","secretary_remarks":"Response drafted in S2-2400635. Postponed","agenda_item_sort_order":91,"ainumber":"9.19.2","ainame":"Vehicle Mounted Relays (VMR)","tdoc_agenda_sort_order":16060,"status":"postponed","reservation_date":"2023-12-20 16:43:11","uploaded":"2023-12-20 16:45:39","revisionof":"","revisedto":"S2-2401856","release":"Rel-18","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"SA WG2","Cc":"","lsoriginalls":"R3-238043","lsreply":"S2-2402471","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG2_Arch\/TSGS2_160AHE_Electronic_2024-01\/Docs\/S2-2400065.zip","group":"S2","meeting":"S2-160-Ad Hoc-e","year":2024,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0}]