US 12,225,603 B2
Communication method and apparatus for reducing data transmission delay and reducing signaling overheads
Xiaoying Xu, Shanghai (CN); Qufang Huang, Shenzhen (CN); Chong Lou, 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 Feb. 16, 2022, as Appl. No. 17/673,548.
Application 17/673,548 is a continuation of application No. PCT/CN2019/101186, filed on Aug. 16, 2019.
Prior Publication US 2022/0174760 A1, Jun. 2, 2022
Int. Cl. H04W 4/00 (2018.01); H04W 76/12 (2018.01); H04W 76/19 (2018.01); H04W 76/20 (2018.01); H04W 76/30 (2018.01)
CPC H04W 76/12 (2018.02) [H04W 76/19 (2018.02); H04W 76/20 (2018.02); H04W 76/30 (2018.02)] 17 Claims
OG exemplary drawing
 
1. A communication method, comprising:
receiving, by a first access network device, uplink user plane data from a user equipment (UE) in an inactive state; and
sending, by the first access network device, an uplink control plane information element and the uplink user plane data to a second access network device through different interfaces, wherein the uplink control plane information element comprises a first indication information element, and wherein the first indication information element comprises a cause value or a buffer status report (BSR), and the cause value or the BSR is used to indicate the second access network device to receive the uplink user plane data sent by the first access network device.