US 12,075,488 B2
Method and apparatus for performing communication in wireless communication system
Anil Agiwal, Suwon-si (KR); and Jaehyuk Jang, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on May 19, 2023, as Appl. No. 18/320,654.
Application 18/320,654 is a continuation of application No. 17/165,117, filed on Feb. 2, 2021, granted, now 11,672,017, issued on Jun. 6, 2023.
Claims priority of provisional application 62/969,335, filed on Feb. 3, 2020.
Prior Publication US 2023/0292376 A1, Sep. 14, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 74/0833 (2024.01); H04L 5/00 (2006.01); H04W 72/21 (2023.01)
CPC H04W 74/0833 (2013.01) [H04L 5/0048 (2013.01); H04W 72/21 (2023.01)] 20 Claims
OG exemplary drawing
 
11. A method performed by a user equipment (UE) supporting a 2-step contention free random access (CFRA), the method comprising:
receiving random access channel (RACH) configuration information including CFRA physical uplink shared channel (PUSCH) resource information and at least one CFRA reference signal resource information, wherein the CFRA PUSCH resource information includes at least one PUSCH occasion, and wherein the CFRA reference signal resource information includes one or more of random access preamble index information and PUSCH occasion index information indicating a PUSCH occasion;
selecting a reference signal with reference signal received power (RSRP) above a configured threshold among reference signals;
identifying a physical random access channel (PRACH) occasion corresponding to the selected reference signal;
identifying a PUSCH occasion from among the at least one PUSCH occasion configured in the CFRA PUSCH resource information, according to the PUSCH occasion index information corresponding to the selected reference signal; and
performing a message A transmission based on the identified PRACH occasion and the identified PUSCH occasion.