Granted Patent B2

US 12,232,121 · App. 17/705,018 · Granted Feb 18, 2025

Inventors: Xing Liu (Shenzhen, CN); Peng Hao (Shenzhen, CN); Wei Gou (Shenzhen, CN); Xianghui Han (Shenzhen, CN); Jing Shi (Shenzhen, CN)

Assignee: ZTE Corporation

H04W72/21H04W72/569

Abstract

Claims (29)

1. A wireless communication method, comprising:

receiving, by a wireless communication device from a base station, a list of open-loop power control parameter sets;

receiving, by the wireless communication device from the base station, a downlink control information (DCI) comprising an open-loop power control parameter set indicator (OLI) and a sounding reference signal (SRS) resource indicator (SRI), wherein, the OLI indicates a subset of the list of open-loop power control parameter sets, the SRI indicates an open-loop power control parameter set from the subset;

determining, by the wireless communication device, the open-loop power control parameter set from the list of open-loop power control parameter sets according to the subset indicated by the OLI and the open-loop power control parameter set indicated by the SRI; and

performing, by the wireless communication device, power control for a transmission scheduled by the DCI using the open-loop power control parameter set.

2. The wireless communication method of claim 1 , wherein the open-loop power control parameter set comprises a received power expected by the base station.

3. A wireless communication apparatus comprising at least one processor and a memory, wherein the at least one processor is configured to read code from the memory and implement a method comprising:

receiving, by a wireless communication device from a base station, a list of open-loop power control parameter sets;

receiving, by the wireless communication device from the base station, a downlink control information (DCI) comprising an open-loop power control parameter set indicator (OLI) and a sounding reference signal (SRS) resource indicator (SRI), wherein, the OLI indicates a subset of the list of open-loop power control parameter sets, the SRI indicates an open-loop power control parameter set from the subset;

determining, by the wireless communication device, the open-loop power control parameter set from the list of open-loop power control parameter sets according to the subset indicated by the OLI and the open-loop power control parameter set indicated by the SRI; and

performing, by the wireless communication device, power control for a transmission scheduled by the DCI using the open-loop power control parameter set.

4. The wireless communication apparatus of claim 3 , wherein the open-loop power control parameter set comprises a received power expected by the base station.

5. A wireless communication method, comprising:

receiving, by a wireless communication device from a base station, a list of open-loop power control parameter sets;

receiving, by the wireless communication device from the base station, a downlink control information (DCI), the DCI comprising an open-loop power control parameter set indicator (OLI) and a sounding reference signal (SRS) resource indicator (SRI);

determining, by the wireless communication device, a default subset from the list of open-loop power control parameter sets, wherein the OLI and the SRI indicate an open-loop power control parameter set in the default subset from the list of open-loop power control parameter sets; and

determining, by the wireless communication device, an open-loop power control parameter in the default subset according to the open-loop power control parameter set indicated by the OLI and the SRI; and

performing, by the wireless communication device, power control for a transmission scheduled by the DCI using the open-loop power control parameter.

6. The wireless communication method of claim 5 , wherein the open-loop power control parameter set comprises a received power expected by the base station.

7. The wireless communication method of claim 6 , wherein the default subset determined by the wireless communication device is a first open-loop power control parameter from the list of open-loop power control parameter sets.

8. The wireless communication method of claim 5 , wherein the DCI excludes or does not contain the SRI.

9. A wireless communication apparatus comprising at least one processor and a memory, wherein the at least one processor is configured to read code from the memory and implement a method comprising:

receiving, by a wireless communication device from a base station, a list of open-loop power control parameter sets;

receiving, by the wireless communication device from the base station, a downlink control information (DCI), the DCI comprising an open-loop power control parameter set indicator (OLI) and a sounding reference signal (SRS) resource indicator (SRI);

determining, by the wireless communication device, a default subset from the list of open-loop power control parameter sets, wherein the OLI and the SRI indicate an open-loop power control parameter set in the default subset from the list of open-loop power control parameter sets; and

determining, by the wireless communication device, an open-loop power control parameter in the default subset according to the open-loop power control parameter set indicated by the OLI and the SRI.

10. The wireless communication apparatus of claim 9 , wherein the method further comprising performing, by the wireless communication device, power control for a transmission scheduled by the DCI using the open-loop power control parameter.

11. The wireless communication apparatus of claim 9 , wherein the open-loop power control parameter set comprises a received power expected by the base station.

12. The wireless communication apparatus of claim 11 , wherein the default subset determined by the wireless communication device is a first open-loop power control parameter from the list of open-loop power control parameter sets.

Assignments (1)

Continuity (2)

References Cited (31)