User Equipment (UE), Generation Node-B (GNB) and Methods for Signaling of Control Information for Pre-Coding

An apparatus, comprising:

• a memory;
• and
• at least one processor in communication with the memory and configured to:
• generate an indication of a channel state information reference signal (CSI-RS) index of a CSI-RS resource of a plurality of CSI-RS resources in an uplink grant as part of a non-codebook based precoding method, wherein the CSI-RS index is used in a non-codebook based uplink precoding operation associated with the uplink grant;
• and
• receive an uplink transmission associated with the uplink grant based on the CSI-RS index.

A method, comprising:

• a base station,
• providing an indication of a channel state information reference signal (CSI-RS) index of a CSI-RS resource of a plurality of CSI-RS resources in an uplink grant in accordance with a non-codebook based precoding method, wherein the CSI-RS index is used in a non-codebook based uplink precoding operation associated with the uplink grant;
• and
• receiving an uplink transmission associated with the uplink grant based on the CSI-RS index.

A method, comprising:

• a user equipment (UE),
• receiving, as part of a non-codebook based precoding method, an indication of a channel state information reference signal (CSI-RS) index of the CSI-RS resource of the plurality of CSI-RS resources in an uplink grant, wherein the CSI-RS index is used in a non-codebook based uplink precoding operation associated with the uplink grant;
• and
• transmitting an uplink transmission associated with the uplink grant based on the CSI-RS index.