US 12,457,544 B2
Method and apparatus for cell barring in wireless communication system
Anil Agiwal, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Dec. 4, 2023, as Appl. No. 18/528,005.
Application 18/528,005 is a continuation of application No. 17/827,160, filed on May 27, 2022, granted, now 11,838,852.
Application 17/827,160 is a continuation of application No. 17/164,022, filed on Feb. 1, 2021, granted, now 11,350,344, issued on May 31, 2022.
Application 17/164,022 is a continuation of application No. 16/774,391, filed on Jan. 28, 2020, granted, now 10,912,010, issued on Feb. 2, 2021.
Claims priority of provisional application 62/797,662, filed on Jan. 28, 2019.
Prior Publication US 2024/0121700 A1, Apr. 11, 2024
Int. Cl. H04W 4/00 (2018.01); H04W 48/02 (2009.01); H04W 48/08 (2009.01)
CPC H04W 48/02 (2013.01) [H04W 48/08 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
acquiring, from a cell, a synchronization signal block (SSB);
selecting a physical random access channel (PRACH) preamble based on the SSB;
selecting at least one PRACH occasion (PO); and
transmitting, to the cell, a message 1 (msg1) in the selected at least one PO;
wherein in case that the cell is unlicensed, the selecting of the at least one PO comprises selecting a plurality of POs corresponding to the acquired SSB.