US 12,426,123 B2
Provide data transmission to avoid large transmission delay
Liang Liu, Beijing (CN); Ningyu Chen, Beijing (CN); Xingyu Han, Beijing (CN); and Nan Hu, Beijing (CN)
Assigned to CHINA MOBILE COMMUNICATION CO., LTD RESEARCH INSTITUTE, Beijing (CN); and CHINA MOBILE COMMUNICATIONS GROUP CO., LTD., Beijing (CN)
Appl. No. 18/040,107
Filed by CHINA MOBILE COMMUNICATION CO., LTD RESEARCH INSTITUTE, Beijing (CN); and CHINA MOBILE COMMUNICATIONS GROUP CO., LTD., Beijing (CN)
PCT Filed Jul. 30, 2021, PCT No. PCT/CN2021/109710
§ 371(c)(1), (2) Date Jan. 31, 2023,
PCT Pub. No. WO2022/022699, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 202010757105.7 (CN), filed on Jul. 31, 2020.
Prior Publication US 2023/0319941 A1, Oct. 5, 2023
Int. Cl. H04W 76/20 (2018.01); H04W 76/19 (2018.01); H04W 76/30 (2018.01); H04W 74/0833 (2024.01); H04W 74/0836 (2024.01)
CPC H04W 76/20 (2018.02) [H04W 76/19 (2018.02); H04W 76/30 (2018.02); H04W 74/0833 (2013.01); H04W 74/0836 (2024.01)] 14 Claims
OG exemplary drawing
 
1. A data transmission method, applied to a User Equipment (UE) in a Radio Resource Control (RRC) inactive state, the data transmission method comprising:
sending data and an RRC resume request message to a first base station or a Centralized Unit (CU) of the first base station or a Distributed Unit (DU) of the first base station; and
receiving an RRC release message from the first base station or the CU of the first base station or the DU of the first base station;
wherein before sending the data and the RRC resume request message to the first base station or the CU of the first base station or the DU of the first base station, the method further comprises:
encapsulating the data directly as a first Media Access Control (MAC) Service Data Unit (SDU) to a first MAC Protocol Data Unit (PDU);
wherein a sub-header of the first MAC SDU comprises Logical Channel Identification (LCID) information and bearer identification information, the LCID information is configured to indicate a logical channel type of the data, and the bearer identification information is configured to indicate a data bearer corresponding to the data.