US 11,968,148 B2
Method and apparatus for transmitting or receiving HARQ feedback for multicast/broadcast signal
Youngdae Lee, Seoul (KR); Suckchel Yang, Seoul (KR); Seonwook Kim, Seoul (KR); and Joonkui Ahn, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Aug. 6, 2021, as Appl. No. 17/396,214.
Claims priority of provisional application 63/062,436, filed on Aug. 6, 2020.
Prior Publication US 2022/0045827 A1, Feb. 10, 2022
Int. Cl. H04L 5/00 (2006.01); H04L 1/1607 (2023.01); H04L 1/1812 (2023.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04W 72/30 (2023.01)
CPC H04L 5/0055 (2013.01) [H04L 1/1671 (2013.01); H04L 1/1812 (2013.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04W 72/30 (2023.01)] 12 Claims
OG exemplary drawing
 
1. A method for transmitting a signal by a terminal in a wireless communication system, the method comprising:
receiving information about a plurality of periodic uplink (UL) resources for transmission of hybrid automatic repeat request-acknowledgement (HARQ-ACK) information for multicast data;
monitoring a physical downlink control channel (PDCCH) in a search space for multicast configured on a specific downlink frequency resource;
detecting, as a result of the monitoring of the PDCCH, downlink control information (DCI) having a cyclic redundancy check (CRC) scrambled with a group-radio network temporary identifier (G-RNTI),
wherein the DCI includes activation information associated with a first periodic UL resource among the plurality of periodic UL resources; and
based on the first periodic UL resource being activated through the activation information, transmitting, through the first periodic UL resource, a message including the HARQ-ACK information and activation confirmation information set to an index of the activated first periodic UL resource.