US 12,446,017 B2
Method and apparatus for switching bandwidth part during random access procedure in wireless communication system
Seungjune Yi, Seoul (KR); and Heejeong Cho, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/997,691
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Mar. 25, 2021, PCT No. PCT/KR2021/003694
§ 371(c)(1), (2) Date Nov. 1, 2022,
PCT Pub. No. WO2021/235671, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. 10-2020-0059167 (KR), filed on May 18, 2020.
Prior Publication US 2023/0224876 A1, Jul. 13, 2023
Int. Cl. H04W 72/0453 (2023.01); H04W 74/0833 (2024.01); H04W 76/27 (2018.01)
CPC H04W 72/0453 (2013.01) [H04W 74/0833 (2013.01); H04W 76/27 (2018.02)] 8 Claims
OG exemplary drawing
 
1. A method comprising:
transmitting, by a user equipment (UE), a random access (RA) preamble and uplink (UL) data to a network on a first bandwidth part (BWP) allowed to transmit uplink data in a Radio Resource Control (RRC) INACTIVE state;
receiving, by the UE, a response message of the RA preamble from the network,
wherein, based on the RA preamble being transmitted successfully and the UL data not being transmitted successfully due to a congestion of the first BWP, the response message includes a BWP switch indication; and
based on the BWP switch indication indicating a second BWP allowed to transmit the uplink data in the RRC INACTIVE state, retransmitting, by the UE, the uplink data to the network on the second BWP using a UL grant.