Patent ID: 11909537
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 5:
6. A communications apparatus, comprising:
a first transceiver configured to retransmit a first data frame after failing to send the first data frame to a third communications apparatus of a station (STA) through a first channel;
a second transceiver, configured to send a second data frame to a second communications apparatus, wherein the first data frame and the second data frame are a same data frame; and further configured to receive a first notification message sent by the second communications apparatus, wherein the first notification message indicates that the second communications apparatus successfully sends the second data frame to a fourth communications apparatus of the STA through a second channel, and the first channel and the second channel are channels in different frequency bands; and
a first controller, configured to stop, in response to the first notification message, sending the first data frame.