US 12,483,967 B2
Data transmission method and communication apparatus
Tingting Geng, Shanghai (CN); and Qinghai Zeng, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Oct. 17, 2022, as Appl. No. 17/967,561.
Application 17/967,561 is a continuation of application No. PCT/CN2021/085797, filed on Apr. 7, 2021.
Claims priority of application No. 202010300231.X (CN), filed on Apr. 16, 2020.
Prior Publication US 2023/0031092 A1, Feb. 2, 2023
Int. Cl. H04W 40/24 (2009.01)
CPC H04W 40/248 (2013.01) 28 Claims
OG exemplary drawing
 
1. A data transmission method, comprising:
receiving, by an access network device, a first data packet from a first terminal device, wherein the first data packet includes identification information of a second terminal device, and wherein the first terminal device and the second terminal device belong to the terminal group; and
sending, by the access network device and through a group transmission channel established between the access network device and a first routing device, the first data packet to the first routing device for forwarding,
wherein the group transmission channel is configured to transmit data packets associated with the terminal group,
wherein the first routing device corresponds to the terminal group and stores routing information of one or more respective terminal devices of the terminal group,
wherein the routing information includes routing information for forwarding the first data packet to the second terminal device via a second routing device and a second access network device.