US 12,225,409 B2
Data transmission method and device
Bin Xu, Beijing (CN); Bingzhao Li, Beijing (CN); Lei Chen, Beijing (CN); and Hong Wang, Beijing (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Feb. 22, 2022, as Appl. No. 17/677,636.
Application 17/677,636 is a continuation of application No. PCT/CN2020/109887, filed on Aug. 18, 2020.
Claims priority of application No. 201910778608.X (CN), filed on Aug. 22, 2019.
Prior Publication US 2022/0174541 A1, Jun. 2, 2022
Int. Cl. H04L 1/08 (2006.01); H04W 4/06 (2009.01); H04W 28/06 (2009.01); H04W 74/08 (2024.01)
CPC H04W 28/06 (2013.01) [H04W 4/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A data transmission method, comprising:
sending, by a network device, first indication information to a first terminal device, wherein the first indication information comprises a first sequence number (SN), wherein the first SN is determined based on a maximum sequence number SN2 of a data packet sent by the network device to a second terminal device in a unicast manner, and wherein the first indication information indicates that the first terminal device is to receive a data packet in a multicast manner; and
sending, by the network device, the data packet to the first terminal device and the second terminal device in the multicast manner based on the first SN.