US 12,439,468 B2
Method and apparatus for logging LBT failure information in mobile communication system
Sangyeob Jung, Suwon-si (KR); and Sangbum Kim, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Nov. 3, 2023, as Appl. No. 18/501,475.
Claims priority of application No. 10-2022-0145430 (KR), filed on Nov. 3, 2022.
Prior Publication US 2024/0155718 A1, May 9, 2024
Int. Cl. H04W 76/18 (2018.01); H04W 74/0833 (2024.01)
CPC H04W 76/18 (2018.02) [H04W 74/0833 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An operation method of a terminal in a wireless communication system, the method comprising:
attempting to transmit a preamble in a random access procedure by performing a listen-before-talk (LBT) via an unlicensed spectrum;
generating a random access report based on the attempting to transmit the preamble; and
transmitting, to a base station, the random access report,
wherein the random access report includes perRAInfoListLBT, and
wherein a random access information included in the perRAInfoListLBT includes information on random access failure due to LBT failure.