Granted Patent B2

US 12,581,470 · App. 18/195,032 · Granted Mar 17, 2026

Inventors: Jian Yao (Dongguan, CN); Dajie Jiang (Dongguan, CN); Rikai Cai (Dongguan, CN)

Assignee: VIVO MOBILE COMMUNICATION CO., LTD.

H04W72/0453H04W72/02H04W72/542

Abstract

Claims (63)

1 . A method for determining a transmission frequency, performed by a first communication device and comprising:

obtaining an environmental factor; and

determining, according to a mapping relationship between frequency resources and environmental factors, a second transmission frequency resource corresponding to the environmental factor;

obtaining a third transmission frequency resource supported by a second communication device, and selecting an overlapped portion between the second transmission frequency resource and the third transmission frequency resource as a first transmission frequency resource; or

selecting, from the second transmission frequency resource according to a current first transmission scheme, the first transmission frequency resource that comprises a carrier corresponding to the first transmission scheme; or

determining a second transmission scheme based on the second transmission frequency resource, and using, as the first transmission frequency resource, a transmission frequency resource that comprises a carrier corresponding to the second transmission scheme; wherein

the first transmission frequency resource is used for transmission.

2 . The method according to claim 1 , wherein the environmental factor comprises at least one of:

a transmission distance;

an air humidity;

an oxygen concentration;

a temperature; or

a barometric pressure.

3 . The method according to claim 1 , wherein the determining a first transmission frequency resource based on the at least one of the environmental factor or the channel measurement information comprises:

determining the first transmission frequency resource based on the second transmission frequency resource.

4 . The method according to claim 3 , wherein the determining the first transmission frequency resource based on the second transmission frequency resource comprises:

using the second transmission frequency resource as the first transmission frequency resource.

5 . The method according to claim 3 , wherein the determining the first transmission frequency resource based on the second transmission frequency resource comprises:

selecting, from the second transmission frequency resource based on the channel measurement information, a first transmission frequency resource that meets a first preset condition; wherein

the first preset condition is that a measurement parameter belongs to a corresponding first value range.

6 . The method according to claim 1 , wherein the determining a first transmission frequency resource based on the channel measurement information comprises:

selecting, based on the channel measurement information, a fourth transmission frequency resource that meets a second preset condition; and

determining the first transmission frequency resource based on the fourth transmission frequency resource; wherein

the second preset condition is that a measurement parameter belongs to a corresponding second value range.

7 . The method according to claim 6 , wherein the determining the first transmission frequency resource based on the fourth transmission frequency resource comprises:

using the fourth transmission frequency resource as the first transmission frequency resource; or

selecting, from the fourth transmission frequency resource according to a current third transmission scheme, a first transmission frequency resource that comprises a carrier corresponding to the third transmission scheme; or

determining a fourth transmission scheme based on the fourth transmission frequency resource, and using, as the first transmission frequency resource, a transmission frequency resource that comprises a carrier corresponding to the fourth transmission scheme.

8 . The method according to claim 1 , after the determining a first transmission frequency resource, further comprising:

sending transmission configuring information, wherein the transmission configuring information comprises at least one of:

information about the first transmission frequency resource; or

monitoring start indication information, wherein the monitoring start indication information is used to indicate that a second communication device starts monitoring on the first transmission frequency resource, and receives information from the first communication device.

9 . The method according to claim 1 , after the determining a first transmission frequency resource, further comprising:

performing transmission based on the first transmission frequency resource.

10 . The method according to claim 1 , wherein the obtaining a third transmission frequency resource supported by a second communication device comprises:

receiving the third transmission frequency resource sent by the second communication device.

11 . The method according to claim 1 , wherein the channel measurement information is obtained from measurement performed by a second communication device based on a measurement signal sent by the first communication device; or

the channel measurement information is obtained from measurement performed by the first communication device based on a measurement signal sent by the second communication device.

12 . A communication device, comprising a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, cause the communication device to perform:

obtaining an environmental factor;

determining, according to a mapping relationship between frequency resources and environmental factors, a second transmission frequency resource corresponding to the environmental factor;

obtaining a third transmission frequency resource supported by a second communication device, and selecting an overlapped portion between the second transmission frequency resource and the third transmission frequency resource as a first transmission frequency resource; or

selecting, from the second transmission frequency resource according to a current first transmission scheme, the first transmission frequency resource that comprises a carrier corresponding to the first transmission scheme; or

determining a second transmission scheme based on the second transmission frequency resource, and using, as the first transmission frequency resource, a transmission frequency resource that comprises a carrier corresponding to the second transmission scheme; wherein

the first transmission frequency resource is used for transmission.

13 . The communication device according to claim 12 , wherein the program or instructions, when executed by the processor, cause the communication device to perform:

determining the first transmission frequency resource based on the second transmission frequency resource.

14 . The communication device according to claim 13 , wherein the program or instructions, when executed by the processor, cause the communication device to perform:

using the second transmission frequency resource as the first transmission frequency resource.

15 . The communication device according to claim 13 , wherein the program or instructions, when executed by the processor, cause the communication device to perform:

selecting, from the second transmission frequency resource based on the channel measurement information, a first transmission frequency resource that meets a first preset condition; wherein

the first preset condition is that a measurement parameter belongs to a corresponding first value range.

16 . The communication device according to claim 12 , wherein the program or instructions, when executed by the processor, cause the communication device to perform:

selecting, based on the channel measurement information, a fourth transmission frequency resource that meets a second preset condition; and

determining the first transmission frequency resource based on the fourth transmission frequency resource; wherein

the second preset condition is that a measurement parameter belongs to a corresponding second value range.

17 . A non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores a program or instructions, and the program or instructions, when executed by a processor, cause the processor to perform:

obtaining an environmental factor;

determining, according to a mapping relationship between frequency resources and environmental factors, a second transmission frequency resource corresponding to the environmental factor;

obtaining a third transmission frequency resource supported by a second communication device, and selecting an overlapped portion between the second transmission frequency resource and the third transmission frequency resource as a first transmission frequency resource; or

selecting, from the second transmission frequency resource according to a current first transmission scheme, the first transmission frequency resource that comprises a carrier corresponding to the first transmission scheme; or

determining a second transmission scheme based on the second transmission frequency resource, and using, as the first transmission frequency resource, a transmission frequency resource that comprises a carrier corresponding to the second transmission scheme; wherein

the first transmission frequency resource is used for transmission.

Assignments (2)

Priority Claims (1)

Continuity (2)

References Cited (24)