US 11,843,981 B2
Primary cell (PCell) selection in mobility active set management
Jelena Damnjanovic, Del Mar, CA (US); Tao Luo, San Diego, CA (US); Junyi Li, Fairless Hills, PA (US); Olufunmilola Omolade Awoniyi-Oteri, San Diego, CA (US); Aleksandar Damnjanovic, Del Mar, CA (US); Ozcan Ozturk, San Diego, CA (US); Iyab Issam Sakhnini, San Diego, CA (US); and Sony Akkarakaran, Poway, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on May 20, 2021, as Appl. No. 17/325,981.
Claims priority of provisional application 63/036,333, filed on Jun. 8, 2020.
Claims priority of provisional application 63/036,362, filed on Jun. 8, 2020.
Prior Publication US 2021/0385702 A1, Dec. 9, 2021
Int. Cl. H04W 36/00 (2009.01); H04W 36/08 (2009.01); H04W 72/21 (2023.01)
CPC H04W 36/0061 (2013.01) [H04W 36/0066 (2013.01); H04W 36/08 (2013.01); H04W 72/21 (2023.01)] 30 Claims
OG exemplary drawing
 
1. A method for wireless communications by a user equipment (UE), comprising:
receiving signaling indicating a set of cells supported by one or more distributed units (DUs) under a common central unit (CU);
identifying a subset of the set of cells activated to serve the UE, wherein a first cell of the activated cells comprises a primary cell (PCell) selected from cells included in a candidate set of PCells; and
identifying another one of the activated cells to serve as the PCell when the first cell is re-designated as a secondary cell (SCell), wherein the other one of the activated cells comprises a cell selected from the candidate set of PCells.