Patent ID: 11962423
Assignee: BEIJING UNISOC COMMUNICATIONS TECHNOLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A data transmission method, comprising:
in an unlicensed frequency band of 5G New Radio (NR), receiving uplink data and associated Uplink Control Information (UCI) from a User Equipment (UE) through Autonomous UpLink (AUL) transmission;
identifying the UE through UE specific Demodulation Reference Signal (DMRS);
decoding the UCI;
in response to the UCI being not successfully decoded, decoding the uplink data; and
based on whether a transport block or a Code Block Group (CBG) is successfully decoded, transmitting Downlink Feedback Information (DFI) to the UE, wherein the DFI comprises first information, and the UE is capable of using the first information to determine Hybrid Automatic Repeat reQuest-IDentity (HARQ-ID) of a transport block where the CBG that needs to be retransmitted is located, and a sequence number of the CBG that needs to be retransmitted in a HARQ of the transport block where the CBG that needs to be retransmitted is located.