US 12,225,424 B2
Link failure report transmission method and apparatus
Xiaoli Shi, Shanghai (CN); Henrik Olofsson, Kista (SE); Hongzhuo Zhang, Shanghai (CN); and Rui Wang, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Feb. 15, 2022, as Appl. No. 17/651,168.
Application 17/651,168 is a continuation of application No. PCT/CN2020/109261, filed on Aug. 14, 2020.
Claims priority of application No. 201910760886.2 (CN), filed on Aug. 16, 2019.
Prior Publication US 2022/0174572 A1, Jun. 2, 2022
Int. Cl. H04W 36/30 (2009.01); H04W 36/00 (2009.01); H04W 36/08 (2009.01)
CPC H04W 36/305 (2018.08) [H04W 36/0058 (2018.08); H04W 36/0079 (2018.08); H04W 36/00835 (2018.08); H04W 36/00837 (2018.08); H04W 36/087 (2023.05); H04W 36/00698 (2023.05); H04W 36/00838 (2023.05)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
sending, by a terminal, a first link failure report to a second radio access network device that is to serve the terminal, wherein the first link failure report indicates that a link between the terminal and a first radio access network device fails, and the first radio access network device is a secondary radio access network device of a third radio access network device; and
wherein sending, by the terminal, the first link failure report to the second radio access network device comprises:
sending, by the terminal, the first link failure report to the second radio access network device when the terminal is successfully handed over from the third radio access network device to a fourth radio access network device and a link between the terminal and the fourth radio access network device fails within a preset time interval.