Method and device for training downlink beams

(canceled)

7-10. (canceled)

13-14. (canceled)

A device for training downlink beams, comprising a transceiver, a processor and a memory, wherein

• the transceiver is configured to receive a downlink reception beam training trigger notification message sent by a first device;
• the processor is configured to execute a program and data stored in the memory to:
• trigger the receiver to receive downlink reception beam training signals sent by the first device, based on the downlink reception beam training trigger notification message, and perform a downlink reception beam training based on the downlink reception beam training signals received by the receiver.

(canceled)

A method for training downlink beams, comprising:

• sending a downlink reception beam training trigger notification message to a second device;
• sending downlink reception beam training signals to the second device, wherein the downlink reception beam training trigger notification message is configured to trigger the second device to receive the downlink reception beam training signals to perform a downlink reception beam training.

(canceled)

(canceled)

27-28. (canceled)

33-37. (canceled)