Reference signal multiplexing with downlink data

A method of wireless communication at a user equipment (UE), comprising:

• receiving, from a base station, a reference signal configuration associated with at least one of a tracking reference signal (TRS) and a channel state information reference signal (CSI-RS), the reference signal configuration comprising a precoder configuration and a guard tone configuration indicating a presence of one or more guard tones;
• and
• receiving, from the base station, a transmission comprising at least a reference signal and data based on the reference signal configuration, wherein the transmission further includes a phase tracking reference signal (PT-RS), and wherein receiving the transmission comprises:
• receiving the PT-RS based on positioning of the PT-RS, wherein the positioning of the PT-RS excludes one or more symbols of the transmission including the reference signal, and wherein the positioning of the PT-RS is based on a time domain start symbol and a time domain symbol spacing for the PT-RS, wherein the time domain symbol spacing does not count the one or more symbols of the transmission including the reference signal.

An apparatus for wireless communication at a base station, comprising:

• memory;
• and
• at least one processor coupled to the memory, the at least one processor configured to cause the base station to:
• transmit, to a user equipment (UE), a reference signal configuration associated with at least one of a tracking reference signal (TRS) and a channel state information reference signal (CSI-RS), the reference signal configuration comprising a precoder configuration and a guard tone configuration indicating a presence of one or more guard tones;
• and
• transmit a transmission including at least a reference signal and data based on the reference signal configuration, wherein the transmission further includes a phase tracking reference signal (PT-RS), and wherein to transmit the transmission, the at least one processor is configured to cause the base station to:
• transmit the PT-RS based on positioning of the PT-RS, wherein the positioning of the PT-RS excludes one or more symbols of the transmission including the reference signal, and wherein the positioning of the PT-RS is based on a time domain start symbol and a time domain symbol spacing for the PT-RS, wherein the time domain symbol spacing does not count the one or more symbols of the transmission including the reference signal.

A method of wireless communication at a base station, comprising:

• transmitting, to a user equipment (UE), a reference signal configuration associated with at least one of a tracking reference signal (TRS) and a channel state information reference signal (CSI-RS), the reference signal configuration comprising a precoder configuration and a guard tone configuration indicating a presence of one or more guard tones;
• and
• transmitting a transmission including at least a reference signal and data based on the reference signal configuration, wherein the transmission further includes a phase tracking reference signal (PT-RS), and wherein transmitting the transmission comprises:
• transmitting the PT-RS based on positioning of the PT-RS, wherein the positioning of the PT-RS excludes one or more symbols of the transmission including the reference signal, and wherein the positioning of the PT-RS is based on a time domain start symbol and a time domain symbol spacing for the PT-RS, wherein the time domain symbol spacing does not count the one or more symbols of the transmission including the reference signal.