High doppler channel performance enhancement

A method of wireless communication comprising:

• receiving, by a UE, an indication of a first reference signal configuration associated with a Doppler metric, the first reference signal configuration being indicated from a plurality of reference signal configurations comprising a plurality of reference signal density configurations and a plurality of wireless channel estimation techniques including an extrapolation wireless channel estimation technique;
• determining a first reference signal density configuration and a wireless channel estimation technique indicated by the first reference signal configuration, the wireless channel estimation technique having a wireless channel estimation processing timeline;
• and
• communicating with a base station in accordance with the first reference signal density configuration and the wireless channel estimation processing timeline.

An apparatus for wireless communication, comprising:

• a processor;
• memory coupled with the processor;
• and
• instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
• determine a Doppler metric associated with a wireless channel and a user equipment (UE);
• select, from a plurality of reference signal configurations, a first reference signal configuration based at least in part on the Doppler metric, the plurality of reference signal configurations comprising a plurality of reference signal density configurations and a plurality of wireless channel estimation techniques including an extrapolation wireless channel estimation technique;
• and
• transmit an indication of the first reference signal configuration, the indication of the first reference signal configuration indicating a first reference signal density configuration and a wireless channel estimation technique having a wireless channel estimation processing timeline for communicating with the UE.

An apparatus for wireless communication, comprising:

• a processor;
• memory coupled with the processor;
• and
• instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
• receive an indication of a first reference signal configuration associated with a Doppler metric, the first reference signal configuration from a plurality of reference signal configuration comprising a plurality of reference signal density configurations and a plurality of wireless channel estimation techniques including an extrapolation wireless channel estimation technique;
• determine a first reference signal density configuration and a wireless channel estimation technique indicated by the first reference signal configuration, the wireless channel estimation technique having a wireless channel estimation processing timeline;
• and
• communicate with a base station in accordance with the first reference signal density configuration and wireless channel estimation processing timeline.