Phase noise compensation during positioning reference signal (PRS) processing and opportunistic use for other channels

A method of wireless communication performed by a receiver device, comprising:

• receiving a positioning reference signal (PRS) configuration for a PRS resource, the PRS resource comprising a plurality of resource elements of at least one physical resource block in at least one slot, the plurality of resource elements spanning a plurality of symbols of the at least one slot and a plurality of subcarriers of the at least one physical resource block, the PRS configuration specifying a same number of symbols per subcarrier as a phase tracking reference signal (PTRS) for a physical downlink shared channel (PDSCH);
• receiving the PRS resource;
• determining a phase noise estimate for each of the plurality of symbols based on a set of resource elements of the plurality of resource elements on a single subcarrier of the plurality of subcarriers;
• and
• compensating for phase noise across the plurality of symbols for remaining subcarriers of the plurality of subcarriers based on the phase noise estimate for each of the plurality of symbols.

A receiver device, comprising:

• one or more memories;
• one or more transceivers;
• and
• one or more processors communicatively coupled to the one or more memories and the one or more transceivers, the one or more processors, either alone or in combination, configured to:
• receive, via the one or more transceivers, a positioning reference signal (PRS) resource comprising a plurality of resource elements of at least one physical resource block in at least one slot, the plurality of resource elements spanning a plurality of symbols of the at least one slot and a plurality of subcarriers of the at least one physical resource block;
• determine a phase noise estimate for each of the plurality of symbols based on a set of resource elements of the plurality of resource elements on a single subcarrier of the plurality of subcarriers, wherein the single subcarrier is selected based on the single subcarrier having more resource elements of the plurality of resource elements than remaining subcarriers of the plurality of subcarriers;
• and
• compensate for phase noise across the plurality of symbols for remaining subcarriers of the plurality of subcarriers based on the phase noise estimate for each of the plurality of symbols.

A receiver device, comprising:

• one or more memories;
• one or more transceivers;
• and
• one or more processors communicatively coupled to the one or more memories and the one or more transceivers, the one or more processors, either alone or in combination, configured to:
• receive, via the one or more transceivers, a positioning reference signal (PRS) configuration for a PRS resource, the PRS resource comprising a plurality of resource elements of at least one physical resource block in at least one slot, the plurality of resource elements spanning a plurality of symbols of the at least one slot and a plurality of subcarriers of the at least one physical resource block, the PRS configuration specifying a same number of symbols per subcarrier as a phase tracking reference signal (PTRS) for a physical downlink shared channel (PDSCH);
• receive, via the one or more transceivers, the PRS resource;
• determine a phase noise estimate for each of the plurality of symbols based on a set of resource elements of the plurality of resource elements on a single subcarrier of the plurality of subcarriers;
• and
• compensate for phase noise across the plurality of symbols for remaining subcarriers of the plurality of subcarriers based on the phase noise estimate for each of the plurality of symbols.

A receiver device, comprising:

• means for receiving a positioning reference signal (PRS) resource comprising a plurality of resource elements of at least one physical resource block in at least one slot, the plurality of resource elements spanning a plurality of symbols of the at least one slot and a plurality of subcarriers of the at least one physical resource block;
• means for determining a phase noise estimate for each of the plurality of symbols based on a set of resource elements of the plurality of resource elements on a single subcarrier of the plurality of subcarriers, wherein the single subcarrier is selected based on the single subcarrier having more resource elements of the plurality of resource elements than remaining subcarriers of the plurality of subcarriers;
• and
• means for compensating for phase noise across the plurality of symbols for remaining subcarriers of the plurality of subcarriers based on the phase noise estimate for each of the plurality of symbols.

A non-transitory computer-readable medium storing computer-executable instructions that, when executed by a receiver device, cause the receiver device to:

• receive a positioning reference signal (PRS) resource comprising a plurality of resource elements of at least one physical resource block in at least one slot, the plurality of resource elements spanning a plurality of symbols of the at least one slot and a plurality of subcarriers of the at least one physical resource block;
• determine a phase noise estimate for each of the plurality of symbols based on a set of resource elements of the plurality of resource elements on a single subcarrier of the plurality of subcarriers, wherein the single subcarrier is selected based on the single subcarrier having more resource elements of the plurality of resource elements than remaining subcarriers of the plurality of subcarriers;
• and
• compensate for phase noise across the plurality of symbols for remaining subcarriers of the plurality of subcarriers based on the phase noise estimate for each of the plurality of symbols.