公开(公告)号：US20240073749A1

公开(公告)日：2024-02-29

申请号：US18240179

申请日：2023-08-30

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Aditya Kumar PADHI ,  Isakkiraja Isakki ,  Shrinath Ramamoorthy Madhurantakam ,  Arunakumar Bettappanavar ,  Deepak Rajendran ,  Sathia Chandrane Sundararaju

IPC分类号： H04W36/00 ,  H04W36/32

CPC分类号： H04W36/0061 ,  H04W36/0072 ,  H04W36/322

摘要： Provided is a method for performing a cell search operation that includes: determining whether a User Equipment (UE) is camped on a first Radio Access Technology (RAT) among a plurality of RATs and supports camping on a second RAT; acquiring first information corresponding to a first Public Land Mobile Network Identity (PLMN ID) associated with the first RAT and at least one first inter-RAT (IRAT) frequency, the at least one first IRAT frequency being associated with the first RAT; storing the first information corresponding to the first PLMN ID in a database of the UE; detecting an occurrence of one or more first events indicating that the UE is required to leave the first RAT and camp on another RAT to handle the event; performing the cell search operation corresponding to the first PLMN ID based on the stored first information to camp the UE on the second RAT.