[{"name":"R5-202117","title":"On UBF for Intra-Band Carrier Aggregation","source":"Keysight Technologies UK Ltd","contact":"Thorsten Hertel","contact-id":77978,"tdoctype":"discussion","for":"Endorsement","abstract":"This contribution is discussing the need to further clarify the UBF, defined in 38.509, and the need to augment the applicability of the UBF for Carrier Aggregation (CA).\nThe following observations and proposals were made in this contribution\nObservation 1: For testing beyond Rel-15, an extension of the UBF might be required that allows the locking of beams for different CCs independently\nProposal 1: OEMs and chipset vendors to confirm that upon UBF activation, the TX, RX, and TX&RX beams for all aggregated CCs are locked for intra-band combinations (either contiguous or non-contiguous).\nProposal 2: Augment the UBF definition in [1] to highlight that the UBF activation applies to all intra-band CCs","secretary_remarks":"","agenda_item_sort_order":89,"ainumber":"5.3.2.17","ainame":"\tDiscussion Papers \/ Work Plan \/ TC lists","tdoc_agenda_sort_order":21170,"status":"noted","reservation_date":"2020-05-08 00:06:17","uploaded":"2020-05-08 23:08:17","revisionof":"","revisedto":"","release":"","crspec":"","crspecversion":"","workitem":[{"winame":"5GS_NR_LTE-UEConTest"}],"crnumber":"","crrevision":"","crcategory":"","tsg_crp":"","lsreplyto":"","lsto":"","Cc":"","lsoriginalls":"","lsreply":"","link":"http:\/\/www.3gpp.org\/ftp\/TSG_RAN\/WG5_Test_ex-T1\/TSGR5_87_Electronic\/Docs\/R5-202117.zip","group":"R5","meeting":"R5-ah-38102","year":2020,"uicc_affected":null,"me_affected":null,"ran_affected":null,"cn_affected":null,"clauses_affected":null,"crsinpack":null,"crsinpacknumber":0}]