US 12,267,846 B2
Communication method and apparatus for providing HARQ information via sidelink
Nannan Liu, Beijing (CN); Xiangdong Zhang, Shenzhen (CN); and Junren Chang, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Mar. 29, 2022, as Appl. No. 17/706,961.
Application 17/706,961 is a continuation of application No. PCT/CN2019/109769, filed on Sep. 30, 2019.
Prior Publication US 2022/0217768 A1, Jul. 7, 2022
Int. Cl. H04W 72/23 (2023.01); H04L 1/1812 (2023.01); H04L 5/00 (2006.01); H04W 72/20 (2023.01); H04W 92/18 (2009.01)
CPC H04W 72/23 (2023.01) [H04L 1/1812 (2013.01); H04L 5/0053 (2013.01); H04W 72/20 (2023.01); H04W 92/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A communication method applied for a first terminal or a chip for the first terminal, comprising:
determining first hybrid automatic repeat request (HARQ) information associated with a first sidelink grant, wherein the first sidelink grant is associated with carrying data between the first terminal and a second terminal, and wherein the first HARQ information comprises a first HARQ process identifier associated with the first sidelink grant;
sending the first HARQ information to the second terminal through a sidelink, wherein the sidelink is a direct wireless communication link between the first terminal and the second terminal;
obtaining a third sidelink grant for retransmitting the data;
determining the first HARQ process identifier as a HARQ process identifier associated with the third sidelink grant; and
sending second HARQ information to the second terminal, wherein the second HARQ information comprises the first HARQ process identifier associated with the third sidelink grant.