US 12,119,975 B2
Wireless communication device and operating method supporting carrier aggregation
Jinho Kim, Seoul (KR); and Jungmin Park, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Apr. 21, 2022, as Appl. No. 17/660,067.
Claims priority of application No. 10-2021-0054633 (KR), filed on Apr. 27, 2021.
Prior Publication US 2022/0345345 A1, Oct. 27, 2022
Int. Cl. H04W 72/04 (2023.01); H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04W 76/00 (2018.01); H04W 88/08 (2009.01)
CPC H04L 27/2613 (2013.01) [H04L 5/0051 (2013.01); H04L 5/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An operating method of a user terminal in a wireless communication system supporting carrier aggregation (CA), the operating method comprising:
receiving indication information regarding a phase tracking reference signal (PTRS) component carrier (CC) group from a base station;
determining whether a phase noise characteristic of the user terminal is the same with respect to CCs included in the PTRS CC group based at least in part on the indication information;
requesting the base station to transmit at least one PTRS using at least one CC included in the PTRS CC group, in accordance with the determination; and
receiving the at least one PTRS from the base station using the at least one CC.