Patent ID: 11901979
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The terminal according to claim 16, wherein before receiving, by the terminal on the respective antenna ports associated with respective transmission layers, the CSI-RS subjected to beamforming and sent by the network side, the processor is configured to:
send a sounding reference signal (SRS) to the network side, wherein the SRS is configured for the network side to execute the following operations:
calculating uplink channel state information on the basis of the SRS, determining angle information and delay information of each transmission path of an uplink channel of the terminal on the basis of the uplink channel state information, and calculating the beams used while sending the CSI-RSs on the respective antenna ports associated with the respective transmission layers on the basis of the angle information and the delay information of the each transmission path of the uplink channel of the terminal.