CPC H04L 1/1812 (2013.01) [H04L 1/1614 (2013.01); H04L 1/1657 (2013.01)] | 18 Claims |
18. A data retransmission device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to run the computer program to:
transmit a first Aggregate Medium Access Control Protocol Data Unit (A-MPDU) to a receiver, wherein the first A-MPDU comprises multiple data blocks, each data block is composed of multiple A-MPDU subframes, and the first A-MPDU comprises data block identification information for identifying the multiple data blocks comprised in the first A-MPDU;
receive a reception status of the first A-MPDU from the receiver, wherein the reception status of the first A-MPDU is used for indicating one or more A-MPDU subframes not correctly received in the multiple data blocks of the first A-MPDU; and
retransmit, to the receiver based on the reception status of the first A-MPDU, the one or more A-MPDU subframes not correctly received by grouping the one or more A-MPDU subframes not correctly received into a first data block and transmitting the first data block to the receiver.
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