Techniques for sidelink channel state information reporting

A target user equipment (UE) for wireless communication, comprising:

• a memory;
• and
• one or more processors coupled to the memory, the one or more processors configured to:
• receive a channel state information (CSI) reference signal (RS) from a source UE via a sidelink communication;
• determine that a lower-layer source identifier of the source UE is included in an upper-layer source identifier;
• and
• transmit a sidelink CSI report in a media access control (MAC) control element (CE) as a response to the CSI RS, based at least in part on the lower-layer source identifier of the source UE being included in the upper-layer source identifier,
• wherein the transmission of the sidelink CSI report is prioritized above a sidelink transport channel.

A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:

• one or more instructions that, when executed by one or more processors of a target user equipment (UE), cause the one or more processors to:
• receive a channel state information (CSI) reference signal (RS) from a source UE via a sidelink communication;
• determine that a lower-layer source identifier of the source UE is included in an upper-layer source identifier;
• and
• transmit a sidelink CSI report in a media access control (MAC) control element (CE) as a response to the CSI RS, based at least in part on the lower-layer source identifier of the source UE being included in the upper-layer source identifier,
• wherein the transmission of the sidelink CSI report is prioritized above a sidelink transport channel.

An apparatus for wireless communication, comprising:

• means for receiving a channel state information (CSI) reference signal (RS) from a source user equipment (UE) via a sidelink communication;
• means for determining that a lower-layer source identifier of the source UE is included in an upper-layer source identifier;
• and
• means for transmitting a sidelink CSI report in a media access control (MAC) control element (CE) as a response to the CSI RS, based at least in part on the lower-layer source identifier of the source UE being included in the upper-layer source identifier,
• wherein the transmission of the sidelink CSI report is prioritized above a sidelink transport channel.