Patent ID: 11923933
Assignee: SONY GROUP CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 10:
11. A method for operating a wireless communication device, the wireless communication device comprising at least two antenna ports, each antenna port being coupled to a corresponding antenna, the method comprising:
sending a plurality of reference signals via the at least two antenna ports, each reference signal being sent using a precoder selected from a first set of precoders,
receiving an indication relating to a selected precoder selected from a second set of precoders,
sending a data signal using the selected precoder,
receiving an indication relating to a selected further precoder selected from the second set of precoders, and
sending a further data signal using the selected further precoder,
wherein the second set of precoders comprises at least one precoder in addition to the precoders of the first set of precoders.