Machine learning-based power control

1. A method for wireless communication performed at a user equipment (UE), comprising:

receiving, at the UE, weights and parameters for an artificial neural network that executes a pathloss estimation function, the weights and parameters being received in accordance with transmitting a channel measurement report corresponding to one or more first downlink (DL) reference signals (RSS);

receiving, at the UE, a set of second DL-RSs associated with one or more first transmission beams;

measuring, at the UE, the set of second DL-RSs; and

performing, at the UE, an uplink transmission via a physical uplink shared channel (PUSCH) having a transmission power that is set by the pathloss estimation function executed via the artificial neural network at the UE based on a set of pathloss parameters, the set of pathloss parameters including a set of pathloss values corresponding to measurements of the set of second DL-RSs and one or more of a timing indicator, a blockage indicator associated with blockage identified by the UE, or an indication of a second transmission beam.

2. The method of claim 1 , in which: the timing indicator comprises a measurement time of each pathloss value of the set of pathloss values and a transmission time of the uplink transmission via the PUSCH; and the measurement time and the transmission time correspond to different slots of a subframe.

3. The method of claim 1 , in which the method further comprises estimating, by the pathloss estimation function, a pathloss of the second transmission beam based on the set of pathloss parameters,

in which:

the transmission power is determined based on the pathloss of the second transmission beam; and

the second transmission beam is an uplink transmission beam.

4. The method of claim 3 , further comprising:

transmitting a report indicating the pathloss of the second transmission beam and an actual pathloss of the second transmission beam based on satisfying a triggering condition;

receiving an update for estimation parameters of the pathloss estimation function based on transmitting the report; and

updating the pathloss estimation function based on receiving the update.

5. The method of claim 4 , in which the triggering condition is satisfied based on:

receiving a request in response to the uplink transmission; or

a difference between the pathloss of the second transmission beam and the actual pathloss being greater than a threshold.

6. The method of claim 1 , in which the set of pathloss parameters further comprise one or more of a maximum permissible exposure (MPE) indication, a hardware configuration of the UE, and a transmission configuration for the uplink transmission.

7. The method of claim 1 , in which:

the set of pathloss values correspond to a first time; and

the uplink transmission is performed at a second time after the first time.

8. The method of claim 1 , further comprising:

receiving, from a base station, a configuration for the set of DL-RSs; and

receiving the set of DL-RSs based on receiving the configuration, each DL-RSs of the set of DL-RSs received via a respective first transmission beam of the one or more first transmission beams, the one or more first transmission beams being downlink transmission beams.

9. The method of claim 8 , in which each DL-RS of the set of DL-RSs is a pathloss RS.

10. The method of claim 1 , in which each DL-RS of the set of DL-RSs is received within a band that is different from a band associated with the uplink transmission.

11. The method of claim 1 , in which each DL-RS of the set of DL-RSs is associated with a physical cell identifier (PCI) or a transmission configuration indicator (TCI) state that is different from a PCI or a TCI state associated with the uplink transmission.

12. An apparatus for wireless communications at a user equipment (UE), comprising:

at least one processor;

at least one memory coupled with the processor; and

instructions stored in the memory and operable, when executed by the at least one processor, to cause the apparatus to:

receive, at the UE, weights and parameters for an artificial neural network that executes a pathloss estimation function, the weights and parameters being received in accordance with transmitting a channel measurement report corresponding to one or more first downlink (DL) reference signals (RSS);

receive, at the UE, a set of second DL-RSs associated with one or more first transmission beams;

measure, at the UE, the set of second DL-RSs; and

perform, at the UE, an uplink transmission via a physical uplink shared channel (PUSCH) having a transmission power that is set by the pathloss estimation function executed via the artificial neural network at the UE based on a set of pathloss parameters, the set of pathloss parameters including a set of pathloss values corresponding to measurements of the set of second DL-RSs and one or more of a timing indicator, a blockage indicator associated with blockage identified by the UE, or an indication of a second transmission beam.

13. The apparatus of claim 12 , in which execution of the instructions further cause the apparatus to estimate, by the pathloss estimation function, a pathloss of the second transmission beam based on the set of pathloss parameters,

in which:

the transmission power is determined based on the pathloss of the second transmission beam; and

the second transmission beam is an uplink transmission beam.

14. The apparatus of claim 12 , in which the set of pathloss parameters further comprise one or more of a maximum permissible exposure (MPE) indication, a hardware configuration of the UE, and a transmission configuration for the uplink transmission.

15. The apparatus of claim 12 , in which each DL-RS of the set of DL-RSs is received within a band that is different from a band associated with the uplink transmission.

16. The apparatus of claim 12 , in which each DL-RS of the set of DL-RSs is associated with a physical cell identifier (PCI) or a transmission configuration indicator (TCI) state that is different from a PCI or a TCI state associated with the uplink transmission.