IP Library › Granted Patent US 12707485

Granted Patent B2

US 12707485 · App. 18/641,175 · Granted Aug 11, 2026

Communication method and apparatus

Inventors: Ye Liu (Beijing, CN); Qian Zhang (Beijing, CN)

Assignee: Huawei Technologies Co., LTD.

H04W72/40 H04W52/367 H04W72/0446 H04W72/566

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Quick Facts

Patent No.: US 12707485
App. No.: 18/641,175
Granted: Aug 11, 2026
Kind: B2

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Abstract

A method includes: determining whether a first uplink transmission resource overlaps a first sidelink transmission resource in time domain; when the first uplink transmission resource overlaps the first sidelink transmission resource in time domain, determining a first configured maximum output power based on a first maximum power reduction, where the first maximum power reduction is a maximum power reduction corresponding to a con-current mode; and determining a transmitted power for a first uplink transmission and a transmitted power for a first sidelink transmission based on the first configured maximum output power.

Claims (67)

1 . A method, comprising:

receiving first indication information, wherein the first indication information indicates a first uplink transmission resource;

determining whether the first uplink transmission resource overlaps a first sidelink transmission resource in time domain;

when the first uplink transmission resource overlaps the first sidelink transmission resource in time domain, determining a first configured maximum output power based on a first maximum power reduction, wherein the first maximum power reduction is a maximum power reduction corresponding to a con-current mode; and

determining a transmitted power for a first uplink transmission and a transmitted power for a first sidelink transmission based on the first configured maximum output power, wherein a sum of the transmitted power for the first uplink transmission and the transmitted power for the first sidelink transmission does not exceed the first configured maximum output power, the first uplink transmission is carried on the first uplink transmission resource, and the first sidelink transmission is carried on the first sidelink transmission resource.

2 . The method of claim 1 , wherein the method further comprises:

when the first uplink transmission resource does not overlap the first sidelink transmission resource in time domain,

determining the first configured maximum output power based on the first maximum power reduction; and

determining the transmitted power for the first uplink transmission or the transmitted power for the first sidelink transmission based on the first configured maximum output power, wherein the transmitted power for the first uplink transmission or the transmitted power for the first sidelink transmission does not exceed the first configured maximum output power.

3 . The method of claim 1 , wherein the method further comprises:

when the first uplink transmission resource does not overlap the first sidelink transmission resource in time domain, performing at least one of the following:

and determining the transmitted power for the first uplink transmission based on the second configured maximum output power, wherein the transmitted power for the first uplink transmission does not exceed the second configured maximum output power; or

determining a third configured maximum output power based on a third maximum power reduction, wherein the third maximum power reduction is a maximum power reduction corresponding to a carrier on which the first sidelink transmission resource is located; and determining the transmitted power for the first sidelink transmission based on the third configured maximum output power, wherein the transmitted power for the first sidelink transmission does not exceed the third configured maximum output power.

4 . The method of claim 1 , wherein when the first uplink transmission resource overlaps the first sidelink transmission resource in time domain, and a priority of the first uplink transmission is higher than a priority of the first sidelink transmission,

the determining a transmitted power for a first uplink transmission and a transmitted power for a first sidelink transmission based on the first configured maximum output power comprises:

determining the transmitted power for the first uplink transmission, wherein the transmitted power for the first uplink transmission is a smaller value between the transmitted power for the first uplink transmission and the first configured maximum output power, the transmitted power for the first uplink transmission is determined based on a second maximum power reduction, and the second maximum power reduction is a maximum power reduction corresponding to a carrier on which the first uplink transmission resource is located; and

determining the transmitted power for the first sidelink transmission based on the first configured maximum output power and the transmitted power for the first uplink transmission.

5 . The method of claim 1 , wherein when the first uplink transmission resource overlaps the first sidelink transmission resource in time domain, and a priority of the first sidelink transmission is higher than a priority of the first uplink transmission,

the determining a transmitted power for a first uplink transmission and a transmitted power for a first sidelink transmission based on the first configured maximum output power comprises:

determining the transmitted power for the first sidelink transmission, wherein the transmitted power for the first sidelink transmission is a smaller value between the transmitted power for the first sidelink transmission and the first configured maximum output power, the transmitted power for the first sidelink transmission is determined based on a third maximum power reduction, and the third maximum power reduction is a maximum power reduction corresponding to a carrier on which the first sidelink transmission resource is located; and

determining the transmitted power for the first uplink transmission based on the first configured maximum output power and the transmitted power for the first sidelink transmission.

6 . The method of claim 1 , wherein the first maximum power reduction is determined based on the first uplink transmission resource and the first sidelink transmission resource.

7 . The method of claim 1 , wherein the method further comprises:

receiving second indication information, wherein the second indication information indicates a second uplink transmission resource;

when the second uplink transmission resource overlaps the first sidelink transmission resource in time domain, determining a fourth configured maximum output power based on a fourth maximum power reduction, wherein the fourth maximum power reduction is a maximum power reduction corresponding to the con-current mode, and the fourth maximum power reduction is determined based on the second uplink transmission resource and the first sidelink transmission resource; and

when the fourth configured maximum output power is greater than the first configured maximum output power, determining a transmitted power for a second uplink transmission based on the first configured maximum output power, wherein a sum of the transmitted power for the second uplink transmission and the transmitted power for the first sidelink transmission does not exceed the first configured maximum output power, and the second uplink transmission is carried on the second uplink transmission resource.

8 . The method of claim 1 , wherein the method further comprises:

determining at least one second sidelink transmission resource;

when the second sidelink transmission resource overlaps the first uplink transmission resource in time domain, determining a fifth configured maximum output power based on a fifth maximum power reduction, wherein the fifth maximum power reduction is a maximum power reduction corresponding to the con-current mode, and the fifth maximum power reduction is determined based on the second sidelink transmission resource and the first uplink transmission resource; and

when the fifth configured maximum output power is greater than the first configured maximum output power, determining a transmitted power for a second sidelink transmission based on the first configured maximum output power, wherein a sum of the transmitted power for the second sidelink transmission and the transmitted power for the first uplink transmission does not exceed the first configured maximum output power, and the second sidelink transmission is carried on the second sidelink transmission resource.

9 . The method of claim 1 , wherein the first uplink transmission resource and the first sidelink transmission resource are located in a same frequency band.

10 . An apparatus comprising: at least one processor coupled to at least one memory storing instructions and configured to execute the instructions to cause the apparatus to perform:

receiving first indication information, wherein the first indication information indicates a first uplink transmission resource;

determining whether the first uplink transmission resource overlaps a first sidelink transmission resource in time domain;

11 . The apparatus of claim 10 , wherein the at least one processor is configured to execute the instructions to cause the apparatus to perform:

when the first uplink transmission resource does not overlap the first sidelink transmission resource in time domain, performing at least one of the following:

determining a second configured maximum output power based on a second maximum power reduction, wherein the second maximum power reduction is a maximum power reduction corresponding to a carrier on which the first uplink transmission resource is located; and determining the transmitted power for the first uplink transmission based on the second configured maximum output power, wherein the transmitted power for the first uplink transmission does not exceed the second configured maximum output power; or

12 . The apparatus of claim 10 , wherein the first maximum power reduction is determined based on the first uplink transmission resource and the first sidelink transmission resource.

13 . The apparatus of claim 10 , wherein the at least one processor is configured to execute the instructions to cause the apparatus to perform:

receiving second indication information, wherein the second indication information indicates a second uplink transmission resource;

14 . The apparatus of claim 10 , wherein the first uplink transmission resource and the first sidelink transmission resource are located in a same frequency band.

15 . The apparatus of claim 10 , wherein the apparatus comprises user equipment or a chip of user equipment.

16 . The apparatus of claim 10 , wherein the at least one processor is configured to execute the instructions to cause the apparatus to perform:

when the first uplink transmission resource does not overlap the first sidelink transmission resource in time domain,

determining the first configured maximum output power based on the first maximum power reduction; and

17 . A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is run on an apparatus, cause the apparatus to perform following operations:

receiving first indication information, wherein the first indication information indicates a first uplink transmission resource;

determining whether the first uplink transmission resource overlaps a first sidelink transmission resource in time domain;

18 . The non-transitory computer-readable storage medium of claim 17 , when the operations comprise:

when the first uplink transmission resource does not overlap the first sidelink transmission resource in time domain, performing at least one of the following:

19 . The non-transitory computer-readable storage medium of claim 17 , wherein the first maximum power reduction is determined based on the first uplink transmission resource and the first sidelink transmission resource.

20 . The non-transitory computer-readable storage medium of claim 17 , when the operations comprise:

receiving second indication information, wherein the second indication information indicates a second uplink transmission resource;