Interference control for uplink transmission

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

determining a transmit power for one or more uplink transmissions to a base station (BS) based on a closed-loop power control algorithm that determines the transmit power as a minimum of: a maximum uplink transmit power capability of the UE and a sum of a target power level, a bandwidth parameter, a product of an alpha adjustment parameter and a pathloss parameter, and a transmit power command parameter, the alpha adjustment parameter being based, at least in part, on an antenna array, a beam, or a combination thereof used for the one or more uplink transmissions;

measuring one or more reference signals from one or more BSs;

determining the alpha adjustment parameter based on the measurements; and

transmitting the one or more uplink transmissions to the BS using the determined transmit power.

2. The method of claim 1 , further comprising determining a level of interference or potential interference to one or more neighbor BSs based on one or more measurements or feedback from the BS or the one or more neighbor BSs.

3. The method of claim 1 , wherein:

determining the alpha adjustment parameter comprises:

determining a first alpha parameter for one or more first uplink transmissions using a first antenna array or beam causing less interference or potential interference to neighboring BSs than one or more second uplink transmissions using a second antenna array or beam; and

determining a second alpha parameter for the one or more second uplink transmissions using the second antenna array or beam causing more interference or potential interference to neighboring BSs than the one or more first uplink transmissions using the first antenna array or beam;

the first alpha parameter is higher than the second alpha parameter; and

the one or more first uplink transmissions and the one or more second uplink transmissions comprise concurrent uplink transmissions using multiple antenna arrays or beams.

4. The method of claim 1 , wherein determining the alpha adjustment parameter is based on a mapping or a formula using the measurements.

5. The method of claim 1 , further comprising determining a level of interference or potential interference to the one or more BSs, a direction of the one or more uplink transmissions with respect to the one or more BSs, or both based on the measurements.

6. The method of claim 1 , wherein the alpha adjustment parameter is based on an antenna panel index or a beam index.

7. An apparatus for wireless communication, comprising:

a memory; and

at least one processor coupled with the memory, the processor and memory configured to:

determine a transmit power for one or more uplink transmissions to a base station (BS) based on a closed-loop power control algorithm that determines the transmit power as a minimum of: a maximum uplink transmit power capability of a user equipment (UE) and a sum of a target power level, a bandwidth parameter, a product of an alpha adjustment parameter and a pathloss parameter, and a transmit power command parameter, the alpha adjustment parameter being based, at least in part, on an antenna array, a beam, or a combination thereof used for the one or more uplink transmissions;

measure one or more reference signals from one or more BSs;

determine the alpha adjustment parameter based on the measurements; and

transmit the one or more uplink transmissions to the BS using the determined transmit power.

8. The apparatus of claim 7 , wherein the processor and memory are further configured to determine a level of interference or potential interference to one or more neighbor BSs based on one or more measurements or feedback from the BS or the one or more neighbor BSs.

9. The apparatus of claim 7 , wherein:

the processor and memory being configured to determine the alpha adjustment parameter comprises the processor and memory being configured to:

determine a first alpha parameter for one or more first uplink transmissions using a first antenna array or beam causing less interference or potential interference to neighboring BSs than one or more second uplink transmissions using a second antenna array or beam; and

determine a second alpha parameter for the one or more first second transmissions using the second antenna array or beam causing more interference or potential interference to neighboring BSs than the one or more first uplink transmissions using the first antenna array or beam;

the first alpha parameter is higher than the second alpha parameter; and

the one or more first uplink transmissions and the one or more second uplink transmissions comprise concurrent uplink transmissions using multiple transmission configurations.

10. The apparatus of claim 7 , wherein the alpha adjustment parameter is based on an antenna panel index or a beam index.

11. The apparatus of claim 7 , wherein the processor and memory are configured to determine the alpha adjustment parameter based on a mapping or a formula using the measurements.

12. The apparatus of claim 7 , wherein processor and memory are configured to determine a level of interference or potential interference to the one or more BSs, a direction of the one or more uplink transmissions with respect to the one or more BSs, or both based on the measurements.

13. An apparatus for wireless communication, comprising:

means for determining a transmit power for one or more uplink transmissions to a base station (BS) based on a closed-loop power control algorithm that determines the transmit power as a minimum of: a maximum uplink transmit power capability of the apparatus and a sum of a target power level, a bandwidth parameter, a product of an alpha adjustment parameter and a pathloss parameter, and a transmit power command parameter, the alpha adjustment parameter being based, at least in part, on an antenna array, a beam, or a combination thereof used for the one or more uplink transmissions;

means for measuring one or more reference signals from one or more BSs;

means for determining the alpha adjustment parameter based on the measurements; and

means for transmitting the one or more uplink transmissions to the BS using the determined transmit power.

14. The apparatus of claim 13 , wherein the alpha adjustment parameter is based on an antenna panel index or a beam index.

15. The apparatus of claim 13 , further comprising:

means for determining a level of interference or potential interference to one or more neighbor BSs based on one or more measurements or feedback from the BS or the one or more neighbor BSs.

16. The apparatus of claim 13 , wherein:

the means for determining the alpha adjustment parameter comprises:

means for determining a first alpha parameter for one or more first uplink transmissions using a first antenna array or beam causing less interference or potential interference to neighboring BSs than one or more second uplink transmissions using a second antenna array or beam; and

means for determining a second alpha parameter for the one or more second uplink transmissions using the second antenna array or beam causing more interference or potential interference to neighboring BSs than the one or more first uplink transmissions using the first antenna array or beam;

the first alpha parameter is higher than the second alpha parameter; and

the one or more first uplink transmissions and the one or more second uplink transmissions comprise concurrent uplink transmissions using multiple antenna arrays or beams.

17. The apparatus of claim 13 , wherein determining the alpha adjustment parameter is based on a mapping or a formula using the measurements.

18. The apparatus of claim 13 , further comprising:

means for determining a level of interference or potential interference to the one or more BSs, a direction of the one or more uplink transmissions with respect to the one or more BSs, or both based on the measurements.

19. A non-transitory computer readable medium storing computer executable code thereon for wireless communication, comprising:

code for determining a transmit power for one or more uplink transmissions to a base station (BS) based on a closed-loop power control algorithm that determines the transmit power as a minimum of: a maximum uplink transmit power capability of a user equipment (UE) and a sum of a target power level, a bandwidth parameter, a product of an alpha adjustment parameter and a pathloss parameter, and a transmit power command parameter, the alpha adjustment parameter being based, at least in part, on an antenna array, a beam, or a combination thereof used for the one or more uplink transmissions;

code for measuring one or more reference signals from one or more BSs;

code for determining the alpha adjustment parameter based on the measurements; and

code for transmitting the one or more uplink transmissions to the BS using the determined transmit power.

20. The non-transitory computer readable medium of claim 19 , wherein the alpha adjustment parameter is based on an antenna panel index or a beam index.

21. The non-transitory computer readable medium of claim 19 , further comprising:

code for determining a level of interference or potential interference to one or more neighbor BSs based on one or more measurements or feedback from the BS or the one or more neighbor BSs.

22. The non-transitory computer readable medium of claim 19 , wherein:

the code for determining the alpha adjustment parameter comprises:

code for determining a first alpha parameter for one or more first uplink transmissions using a first antenna array or beam causing less interference or potential interference to neighboring BSs than one or more second uplink transmissions using a second antenna array or beam; and

code for determining a second alpha parameter for the one or more second uplink transmissions using the second antenna array or beam causing more interference or potential interference to neighboring BSs than the one or more first uplink transmissions using the first antenna array or beam;

the first alpha parameter is higher than the second alpha parameter; and

the one or more first uplink transmissions and the one or more second uplink transmissions comprise concurrent uplink transmissions using multiple antenna arrays or beams.

23. The non-transitory computer readable medium of claim 19 , wherein determining the alpha adjustment parameter is based on a mapping or a formula using the measurements.

24. The non-transitory computer readable medium of claim 19 , further comprising:

code for determining a level of interference or potential interference to the one or more BSs, a direction of the one or more uplink transmissions with respect to the one or more BSs, or both based on the measurements.