[{"name":"R4-2416068","title":"Reply LS on common TA in a regenerative payload scenario","source":"Ericsson","contact":"Magnus Larsson","contact-id":104262,"tdoctype":"LS out","for":"Approval","abstract":"Reply to R2-2407623, LS on common TA in a regenerative payload scenario, CMCC.\n\nThe uplink time synchronization reference point is the point where DL and UL are frame aligned with an offset given by N_(TA,offset). The term TA-Common decides where the reference point is. \n   To introduce negative values for ta-Common, for release-19 UE, while release 17 and 18 legacy UE would have ta-Common = 0, would create two separate uplink time synchronization reference points. This would defeat the purpose of UL TA mechanism, which is to keep all UE UL connections aligned at a single reference point, with a spread that is less than CP. \n   It is therefore preferred to stick to 0 as the minimum possible value for TA-Common.","secretary_remarks":"","agenda_item_sort_order":328,"ainumber":"6.26.1","ainame":"General aspects","tdoc_agenda_sort_order":0,"status":"withdrawn","reservation_date":"2024-07-10 08:11:01","uploaded":null,"revisionof":"","revisedto":"","release":"Rel-19","crspec":"","crspecversion":"","workitem":[{"winame":"NR_NTN_Ph3-Core"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"R2-2407623","lsto":"RAN2","Cc":"RAN1","lsoriginalls":"R2-2407623","lsreply":"","link":"","group":"R4","meeting":"R4-112-bis","year":2024,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0},
{"name":"R4-2416256","title":"General issue for NTN RedCap","source":"Ericsson","contact":"Chunhui Zhang","contact-id":78832,"tdoctype":"other","for":"Approval","abstract":"","secretary_remarks":"","agenda_item_sort_order":328,"ainumber":"6.26.1","ainame":"General aspects","tdoc_agenda_sort_order":0,"status":"noted","reservation_date":"2024-07-10 11:32:52","uploaded":"2024-10-07 15:10:26","revisionof":"","revisedto":"","release":"Rel-19","crspec":"","crspecversion":"","workitem":[{"winame":"NR_NTN_Ph3-Core"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/TSG_RAN\/WG4_Radio\/TSGR4_112bis\/Docs\/R4-2416256.zip","group":"R4","meeting":"R4-112-bis","year":2024,"uicc_affected":"","me_affected":"","ran_affected":"","cn_affected":"","clauses_affected":"","crsinpack":null,"crsinpacknumber":0}]