US 12,446,024 B2
Method and apparatus for transmitting and receiving HARQ responses in wireless communication system supporting sidelink communication
Gene Back Hahn, Gyeonggi-do (KR); and Hyuk Min Son, Jeollabuk-do (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Appl. No. 17/635,282
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
PCT Filed Jul. 22, 2020, PCT No. PCT/KR2020/009664
§ 371(c)(1), (2) Date Feb. 14, 2022,
PCT Pub. No. WO2021/029557, PCT Pub. Date Feb. 18, 2021.
Claims priority of provisional application 62/886,634, filed on Aug. 14, 2019.
Prior Publication US 2022/0295517 A1, Sep. 15, 2022
Int. Cl. H04W 72/1263 (2023.01); H04L 1/1812 (2023.01); H04L 5/00 (2006.01); H04W 72/0446 (2023.01); H04W 72/0453 (2023.01); H04W 72/20 (2023.01)
CPC H04W 72/1263 (2013.01) [H04L 1/1812 (2013.01); H04L 5/0053 (2013.01); H04W 72/0446 (2013.01); H04W 72/0453 (2013.01); H04W 72/20 (2023.01)] 16 Claims
OG exemplary drawing
 
1. An operation method of a transmitting terminal in a communication system, the operation method comprising:
receiving, from a base station, a higher layer signaling message including information indicating a sequence pattern which indicates a mapping relationship between hybrid automatic repeat request (HARQ) responses and sequences, and physical sidelink feedback channel (PSFCH) configuration information including information indicating a period of a PSFCH resource region and information indicating a set of physical resource blocks (PRBs) of the PSFCH resource region;
transmitting, to a plurality of receiving terminals, sidelink control information (SCI) including resource allocation information of data and configuration information for HARQ feedback for the data;
transmitting, to the plurality of receiving terminals, the data on a physical sidelink shared channel (PSSCH) indicated by the SCI; and
performing a monitoring operation to receive, from the plurality of receiving terminals, the sequences mapped to the HARQ responses for the data based on the sequence pattern in the PSFCH resource region indicated by the PSFCH configuration information,
wherein negative acknowledgements (NACKs) of the plurality of receiving terminals are mapped to different sequences,
wherein acknowledgements (ACKs) of the plurality of receiving terminals are mapped to different sequences, and
wherein the period of the PSFCH resource region in a resource pool is determined based on the period indicating by the PSFCH configuration information, and a frequency resource of the PSFCH resource region is determined based on the set of PRBs indicating by the PSFCH resource region.