US 12,149,711 B2
Data frame transmission method and communication apparatus
Zijie Xu, Shanghai (CN); Shuri Liao, Shanghai (CN); Shengyue Dou, Shanghai (CN); Guohua Zhou, Shanghai (CN); Yuejun Wei, Shanghai (CN); and Ning He, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Nov. 8, 2022, as Appl. No. 18/053,736.
Application 18/053,736 is a continuation of application No. PCT/CN2021/088105, filed on Apr. 19, 2021.
Claims priority of application No. 202010400633.7 (CN), filed on May 13, 2020.
Prior Publication US 2023/0066749 A1, Mar. 2, 2023
Int. Cl. H04N 19/174 (2014.01); H04N 19/172 (2014.01)
CPC H04N 19/174 (2014.11) [H04N 19/172 (2014.11)] 20 Claims
OG exemplary drawing
 
1. A communication method, comprising:
sending, by a terminal device, first indication information to an access network device of a wireless communication system, wherein the first indication information is a physical-layer hybrid automatic repeat request (HARQ) feedback and indicates that a first data block is not successfully received, the first data block is a transport block (TB) or a code block (CB) of the wireless communication system; and
sending, by the terminal device, second indication information to the access network device, wherein the second indication information indicates that a first data unit in a first data frame is not successfully received, the first data unit comprises data in the first data block, and the first data unit comprises at least one of a service data adaptation protocol (SDAP) data packet, a packet data convergence protocol (PDCP) data packet, a radio link control (RLC) data packet, or a media access control (MAC) data packet.