US 12,452,796 B2
Method and user equipment for controlling transmission power of POS-SRS in carrier aggregation
Xiao Liang, Shanghai (CN); Chiao-Yao Chuang, Hsinchu (TW); Jijian Chen, Shanghai (CN); Xuancheng Zhu, Shanghai (CN); and Pengli Yang, Shanghai (CN)
Assigned to MEDIATEK SINGAPORE PTE. LTD., Singapore (SG)
Filed by MediaTek Singapore Pte. Ltd., Singapore (SG)
Filed on Jul. 18, 2023, as Appl. No. 18/354,107.
Claims priority of application No. PCT/CN2022/106257 (WO), filed on Jul. 18, 2022; and application No. 202310851786.7 (CN), filed on Jul. 12, 2023.
Prior Publication US 2024/0023029 A1, Jan. 18, 2024
Int. Cl. H04W 52/14 (2009.01); H04B 7/04 (2017.01); H04B 7/0408 (2017.01); H04L 5/00 (2006.01); H04W 52/24 (2009.01); H04W 52/32 (2009.01)
CPC H04W 52/242 (2013.01) [H04W 52/245 (2013.01); H04W 52/325 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for controlling transmission power of each of positioning (POS) sounding reference signals (SRSs) across a subset of multiple component carriers (CCs) in carrier aggregation, applied to a user equipment (UE), comprising:
receiving a SRS configuration for the subset of the CCs;
measuring pathlosses corresponding to SRS transmission in the subset of the CCs;
processing pathloss measurements corresponding to the subset of the CCs to obtain a single pathloss across the subset of the CCs;
determining the transmission power of each of the POS-SRSs across the subset of the CCs based on the single pathloss; and
transmitting each of the POS-SRSs with the transmission power across the subset of the CCs.