US 12,250,078 B2
Method and apparatus for transmitting and receiving HARQ response in 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. 17/635,169
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
PCT Filed Aug. 5, 2020, PCT No. PCT/KR2020/010318
§ 371(c)(1), (2) Date Feb. 14, 2022,
PCT Pub. No. WO2021/029596, PCT Pub. Date Feb. 18, 2021.
Claims priority of provisional application 62/886,673, filed on Aug. 14, 2019.
Claims priority of application No. 10-2020-0094756 (KR), filed on Jul. 29, 2020.
Prior Publication US 2022/0294570 A1, Sep. 15, 2022
Int. Cl. H04L 1/1812 (2023.01); H04L 5/00 (2006.01); H04W 72/20 (2023.01)
CPC H04L 1/1812 (2013.01) [H04L 5/0048 (2013.01); H04W 72/20 (2023.01)] 19 Claims
OG exemplary drawing
 
1. An operation method of a transmitting terminal in a communication system supporting sidelink communication, the operation method comprising:
receiving, from a base station, a higher layer signaling message including physical sidelink feedback channel (PSFCH) configuration information;
transmitting, to a plurality of receiving terminals, sidelink control information (SCI) including resource allocation information of data and configuration information for hybrid automatic repeat request (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
receiving, from the plurality of receiving terminals, sequences mapped to HARQ responses for the data on a PSFCH indicated by the PSFCH configuration information,
wherein the sequences include a first sequence mapped to a first HARQ response of a first receiving terminal among the plurality of receiving terminals and a second sequence mapped to a second HARQ response of a second receiving terminal among the plurality of receiving terminals; and
wherein the configuration information for the HARQ feedback includes a HARQ-indicator indicating that an acknowledgement (ACK)/negative ACK (NACK) feedback scheme or a NACK-only feedback scheme is used.