[{"name":"S1-202172","title":"Use Case for Determination of 5G Time Synchronization Budget","source":"Siemens","contact":"Alain Sultan","contact-id":10343,"tdoctype":"discussion","for":"Information","abstract":"Replaces S1-202133.<>5GS Time Sync Budget needs to provide some flexibility for non-3GPP network parts wrt number of hops (e.g. internal wired network of manufacturing robots, path from sync master to NW-TT). <>Many industrial use cases have constraints from the application and the operational technology, that require more hops as the at least required, minimalistic two hops (in each non-3GPP network part).<>With installation guidelines in place that limit the number of hops for an optimized network layout of the non-3GPP network, this sync budget level is sufficient. <>800 ns is the proposed value for the 5GS time synchronization budget requirement.","secretary_remarks":"","agenda_item_sort_order":11.0,"ainumber":"5.2.1","ainame":"FS_eCAV: Study on enhancements for cyber-physical control applications in vertical domains [SP-190092]","tdoc_agenda_sort_order":0,"status":"noted","reservation_date":"2020-06-03 07:59:13","uploaded":"2020-06-10 14:56:11","revisionof":"S1-202133","revisedto":"","release":"Rel-17","crspec":"","crspecversion":"","workitem":"","crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"https:\/\/www.3gpp.org\/ftp\/tsg_sa\/WG1_Serv\/TSGS1_90e_ElectronicMeeting\/Docs\/S1-202172.zip","group":"S1","meeting":"S1-ah-38067","year":2020,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0}]