IP Library Granted Patent US 11,317,356
Granted Patent B2
US 11,317,356 · App. 17/135,458 · Granted Apr 26, 2022

Techniques for resource-specific transmit power control configuration

Inventors: Navid Abedini (Basking Ridge, NJ); Wanshi Chen (San Diego, CA); Tao Luo (San Diego, CA)
Assignee: QUALCOMM incorporated
H04W52/146
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Quick Facts
Patent No.
US 11,317,356
App. No.
17/135,458
Granted
Apr 26, 2022
Kind
B2
Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless node may receive a plurality of sets of parameters for uplink transmit power control configuration; select a set of parameters, from the plurality of sets of parameters, based at least in part on a configuration of an uplink communication; select one or more parameters from the set of parameters based at least in part on the configuration of the uplink communication; and transmit the uplink communication in accordance with the one or more parameters. Numerous other aspects are provided.

Claims (84)

1. A wireless node for wireless communication, comprising:

a memory; and

one or more processors coupled to the memory, the one or more processors configured to:

receive a plurality of sets of parameters for uplink transmit power control configuration,

wherein the plurality of sets of parameters includes a plurality of mappings of sounding reference signal resource indicators (SRIs) to physical uplink shared channel (PUSCH) power control parameters;

select a set of parameters, from the plurality of sets of parameters, based at least in part on a configuration of an uplink communication;

select one or more parameters from the set of parameters based at least in part on the configuration of the uplink communication; and

transmit the uplink communication in accordance with the one or more parameters.

2. The wireless node of claim 1 , wherein the uplink communication is one of:

a physical uplink control channel communication,

a PUSCH communication,

a sounding reference signal communication, or

a physical random access channel communication.

3. The wireless node of claim 1 , wherein signaling associated with identifying the plurality of sets of parameters includes one of:

an extended mapping field identifying a plurality of SRI mappings,

a non-extended mapping field with a plurality of sub-fields identifying a plurality of SRI mappings, or

a plurality of SRI mapping fields corresponding to a plurality communication scenarios.

4. The wireless node of claim 1 , wherein the one or more processors, when selecting the set of parameters, are configured to:

select the set of parameters based at least in part on at least one of: a resource set for the uplink communication, an operation mode for the uplink communication, or an explicit indicator in a control information message.

5. The wireless node of claim 1 , wherein the set of parameters includes a plurality of pairs of P 0 and alpha parameters; and

wherein the one or more processors, when selecting the one or more parameters of the set of parameters, are configured to:

select a pair of P 0 and alpha parameters, of the plurality of pairs of P 0 and alpha parameters, based at least in part on at least one of: a resource set for the uplink communication, an operation mode for the uplink communication, or an explicit indicator in a control information message.

6. The wireless node of claim 1 , wherein the one or more processors are further configured to:

receive signaling identifying the configuration of the uplink communication, wherein the signaling does not include a field identifying a selection of the set of parameters; and

wherein the one or more processors, when selecting the set of parameters, are configured to:

select the set of parameters based at least in part on at least one of a resource set for the uplink communication or an operation mode for the uplink communication.

7. The wireless node of claim 1 , wherein the uplink communication is a PUSCH communication and the one or more parameters include a P 0 parameter and an alpha parameter.

8. The wireless node of claim 1 , wherein the uplink communication is a physical uplink control channel (PUCCH) communication and the one or more parameters include a P 0 per spatial relation information parameter or a spatial relation information per PUCCH parameter.

9. The wireless node of claim 1 , wherein the uplink communication is a sounding reference signal communication and the one or more parameters include a P 0 parameter and an alpha parameter.

10. The wireless node of claim 1 , wherein the set of parameters is a range of accumulated delta values or absolute delta values for closed loop power control.

11. The wireless node of claim 1 , wherein the one or more processors, when selecting the set of parameters, are configured to:

select a range of accumulated delta values or absolute delta values based at least in part on at least one of: a resource set for the uplink communication, an operation mode for the uplink communication, signaling dynamically configuring the uplink communication, or signaling identifying the plurality of sets of parameters.

12. The wireless node of claim 1 , wherein an association between the plurality of sets of parameters and the configuration of the uplink communication is explicitly indicated.

13. The wireless node of claim 1 , wherein an association between the plurality of sets of parameters and the configuration of the uplink communication is based at least in part on a type of a resource on which the uplink communication is scheduled.

14. The wireless node of claim 13 , wherein the type of the resource is one of uplink, flexible, downlink, or full-duplex.

15. The wireless node of claim 1 , wherein an association between the plurality of sets of parameters and the configuration of the uplink communication is based at least in part on whether the uplink communication is scheduled on a resource that is configured as hard or soft for the wireless node.

16. The wireless node of claim 1 , wherein an association between the plurality of sets of parameters and the configuration of the uplink communication is based at least in part on a mode of operation for the uplink communication.

17. The wireless node of claim 16 , wherein the mode of operation is determined based at least in part on a semi-static resource allocation, a dynamic scheduling message, or a semi-static scheduling message.

18. The wireless node of claim 16 , wherein the mode of operation is based at least in part on whether the wireless node transmits or receives a second communication on resources at least partially overlapping with resources on which the wireless node transmits the uplink communication.

19. The wireless node of claim 1 , wherein the one or more parameters include at least one of an open loop power control parameter or a closed loop power control parameter.

20. The wireless node of claim 1 , wherein the wireless node is a user equipment (UE) or an integrated access and backhauling (IAB)-node mobile terminal (MT).

21. A method of wireless communication performed by a wireless node, comprising:

receiving a plurality of sets of parameters for uplink transmit power control configuration,

wherein the plurality of sets of parameters includes a plurality of mappings of sounding reference signal resource indicators (SRIs) to physical uplink shared channel (PUSCH) power control parameters;

selecting a set of parameters, from the plurality of sets of parameters, based at least in part on a configuration of an uplink communication;

selecting one or more parameters from the set of parameters based at least in part on the configuration of the uplink communication; and

transmitting the uplink communication in accordance with the one or more parameters.

22. The method of claim 21 , wherein the uplink communication is one of:

a physical uplink control channel communication,

a PUSCH communication,

a sounding reference signal communication, or

a physical random access channel communication.

23. The method of claim 21 , wherein signaling associated with identifying the plurality of sets of parameters includes one of:

an extended mapping field identifying a plurality of SRI mappings,

a non-extended mapping field with a plurality of sub-fields identifying a plurality of SRI mappings, or

a plurality of SRI mapping fields corresponding to a plurality communication scenarios.

24. The method of claim 21 , wherein selecting the set of parameters comprises:

selecting the set of parameters based at least in part on at least one of: a resource set for the uplink communication, an operation mode for the uplink communication, or an explicit indicator in a control information message.

25. The method of claim 21 , wherein the set of parameters includes a plurality of pairs of P 0 and alpha parameters; and

wherein selecting the one or more parameters of the set of parameters comprises:

selecting a pair of P 0 and alpha parameters, of the plurality of pairs of P 0 and alpha parameters, based at least in part on at least one of: a resource set for the uplink communication, an operation mode for the uplink communication, or an explicit indicator in a control information message.

26. The method of claim 21 , further comprising:

receiving signaling identifying the configuration of the uplink communication, wherein the signaling does not include a field identifying a selection of the set of parameters; and

wherein selecting the set of parameters comprises:

selecting the set of parameters based at least in part on at least one of a resource set for the uplink communication or an operation mode for the uplink communication.

27. A non-transitory computer-readable medium storing one or more instructions for wireless communication, the one or more instructions comprising:

one or more instructions that, when executed by one or more processors of a wireless node, cause the wireless node to:

receive a plurality of sets of parameters for uplink transmit power control configuration;

wherein the plurality of sets of parameters includes a plurality of mappings of sounding reference signal resource indicators (SRIs) to physical uplink shared channel (PUSCH) power control parameters;

select a set of parameters, from the plurality of sets of parameters, based at least in part on a configuration of an uplink communication;

select one or more parameters from the set of parameters based at least in part on the configuration of the uplink communication; and

transmit the uplink communication in accordance with the one or more parameters.

28. The non-transitory computer-readable medium of claim 27 , wherein signaling associated with identifying the plurality of sets of parameters includes one of:

an extended mapping field identifying a plurality of SRI mappings,

a non-extended mapping field with a plurality of sub-fields identifying a plurality of SRI mappings, or

a plurality of SRI mapping fields corresponding to a plurality communication scenarios.

29. The non-transitory computer-readable medium of claim 27 , wherein the one or more instructions, that cause the wireless node to select the set of parameters, cause the wireless node to:

select the set of parameters based at least in part on at least one of: a resource set for the uplink communication, an operation mode for the uplink communication, or an explicit indicator in a control information message.

30. An apparatus for wireless communication, comprising:

means for receiving a plurality of sets of parameters for uplink transmit power control configuration;

means for selecting a set of parameters, from the plurality of sets of parameters, based at least in part on a configuration of an uplink communication,

wherein the plurality of sets of parameters includes a plurality of mappings of sounding reference signal resource indicators (SRIs) to physical uplink shared channel (PUSCH) power control parameters;

means for selecting one or more parameters from the set of parameters based at least in part on the configuration of the uplink communication; and

means for transmitting the uplink communication in accordance with the one or more parameters.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 26, 2021
From: ABEDINI, NAVID; CHEN, WANSHI; LUO, TAO
To: QUALCOMM INCORPORATED
Reel/Frame 055031/0697 →
Continuity (2)
Provisional Application 62979873 · Feb 21, 2020
Related Publication 20210266843A1 · Aug 26, 2021