Patent ID: 11876589
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. A transmitter in a wireless communication system, the transmitter comprising:
an antenna array comprising a plurality of antennas for a wireless communication with one or more communication devices of claim 1 for providing a channel state information, CSI, feedback to the transmitter; and
a precoder connected to the antenna array, the precoder to apply a set of beamforming weights to one or more antennas of the antenna array to form, by the antenna array, one or more transmit beams or one or more receive beams,
a transceiver configured to
transmit, to the communication device, downlink reference signals (CSI-RS) according to a CSI-RS, and downlink signals comprising the CSI-RS configuration; and
receive uplink signals comprising a plurality of CSI reports comprising an explicit CSI from the communication device; and

a processor configured to construct a precoder matrix applied on the antenna ports using the explicit CSI.