US 12,137,496 B1
Method and apparatus for performing uplink positioning in mobile wireless communication system
Soenghun Kim, Gyeonggi-do (KR)
Filed by BLACKPIN INC., Seoul (KR); and Soenghun Kim, Gyeonggi-do (KR)
Filed on Jun. 19, 2024, as Appl. No. 18/747,535.
Claims priority of application No. 10-2023-0090954 (KR), filed on Jul. 13, 2023.
Int. Cl. H04W 76/27 (2018.01); H04L 5/00 (2006.01)
CPC H04W 76/27 (2018.02) [H04L 5/0048 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method by a terminal, the method comprising:
receiving by the terminal a specific radio resource control (RRC) message, wherein the specific RRC message comprises an information element (IE) for state transition to RRC inactive state, wherein the IE for state transition to RRC inactive state comprises:
a first IE for positioning sounding reference signal (SRS) in RRC inactive state; or
a second IE for positioning sounding reference signal (SRS) in RRC inactive state;
performing by the terminal state transition to RRC inactive state;
performing by the terminal cell selection; and
performing by the terminal a first SRS transmission or a second SRS transmission,
wherein:
the first SRS transmission is performed in case that the first IE is comprised in the specific RRC message; and
the second SRS transmission is performed in case that the second IE is comprised in the specific RRC message, and
wherein:
the first SRS transmission is performed in a first specific cell, wherein the first specific cell is a cell where the specific RRC message is received; and
the second SRS transmission is performed in a second specific cell, wherein the second specific cell is a cell indicated in the second IE.