DEVICE AND METHOD Russian patent published in 2020 - IPC H04W72/04 H04L27/26 

FIELD: physics.

SUBSTANCE: invention relates to wireless communication. Device includes: a receiving unit configured to obtain setup information from a base station; selection support unit configured to transmit a reference uplink signal to a base station. Information of the apparatus corresponds to information of a group comprising a plurality of unit frequency bands, and primary information indicating at least one first unit frequency band, which is determined by the base station.

EFFECT: technical result of the invention is to provide a mechanism for more efficient beam selection, suitable for downlink transmission.

20 cl, 1 tbl, 20 dwg