Uplink reference signal-based frequency offset pre-compensation

A method for wireless communication at a first base station, comprising:

• transmitting, to a user equipment (UE), a first downlink reference signal using a downlink reference signal frequency;
• transmitting, to the UE, a configuration signal indicating a weighting factor to be applied to a first frequency offset, a second frequency offset, or both, wherein the first frequency offset is associated with transmissions between the UE and the first base station and the second frequency offset is associated with transmissions between the UE and a second base station;
• receiving, from the UE, at least one uplink reference signal using an uplink reference signal frequency that is based at least in part on the first frequency offset, the second frequency offset, and the weighting factor;
• and
• transmitting a downlink data transmission to the UE at a receive frequency for the UE that is based at least in part on the uplink reference signal frequency.

An apparatus for wireless communication at a user equipment (UE), comprising:

• a processor,
• memory coupled with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• receive a configuration signal indicating a weighting factor to be applied to a first frequency offset, a second frequency offset, or both, wherein the first frequency offset is associated with transmissions between the UE and a first base station and the second frequency offset is associated with transmissions between the UE and a second base station;
• determine, based at least in part on a first downlink reference signal transmitted from the first base station using a downlink reference signal frequency, the first frequency offset;
• determine, based at least in part on a second downlink reference signal transmitted from the second base station using the downlink reference signal frequency, the second frequency offset;
• transmit, to the first base station and the second base station, at least one uplink reference signal using an uplink reference signal frequency that is based at least in part on the first frequency offset, the second frequency offset, and the weighting factor;
• and
• receive a downlink data transmission from the first base station or the second base station at a receive frequency that is based at least in part on the uplink reference signal frequency.

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

• a processor,
• memory coupled with the processor;
• and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• transmit, to a user equipment (UE), a first downlink reference signal using a downlink reference signal frequency;
• transmit, to the UE, a configuration signal indicating a weighting factor to be applied to a first frequency offset, a second frequency offset, or both, wherein the first frequency offset is associated with transmissions between the UE and the first base station and the second frequency offset is associated with transmissions between the UE and a second base station;
• receive, from the UE, at least one uplink reference signal using an uplink reference signal frequency that is based at least in part on the first frequency offset, the second frequency offset, and the weighting factor;
• and
• transmit a downlink data transmission to the UE at a receive frequency for the UE that is based at least in part on the uplink reference signal frequency.