| CPC H04W 72/21 (2023.01) [H04W 56/001 (2013.01); H04W 72/0446 (2013.01); H04W 72/0453 (2013.01); H04W 72/27 (2023.01); H04W 72/535 (2023.01)] | 18 Claims |

|
1. A data transmission method, comprising:
sending, by a first device, scheduling information, in a first frequency band, to a second device, wherein
the scheduling information is used to schedule the second device to transmit data in a second frequency band,
the scheduling information carries first indication information,
the first indication information is used to indicate a resource used by the first device and the second device to transmit data,
the first device is configured to send the scheduling information to the second device using a plurality of communication methods, and
a format of the scheduling information is different based on a selected communication method from the plurality of communication methods; and
transmitting, by the first device based on the scheduling information, data with the second device in the second frequency band by using the resource.
|