Granted Patent B2

US 12,628,193 · App. 18/548,712 · Granted May 12, 2026

Inventors: Zhikang Song (Shenzhen, CN); Jiangyun Zhou (Shenzhen, CN); Meiying Wang (Shenzhen, CN); Lu Liu (Shenzhen, CN)

Assignee: ZTE CORPORATION

H04W72/541H04L5/0048H04W72/0453

Abstract

Claims (53)

1 . A frequency band scheduling method, applied to a network device, comprising:

acquiring a reference frequency band and at least one detection frequency band, wherein the reference frequency band is a frequency band in which a first system does not interfere with a second system, and the at least one detection frequency band is a frequency band in which the first system and the second system interfere with each other;

sending frequency band configuration information to a terminal device, wherein the frequency band configuration information comprises configuration information of the reference frequency band and configuration information of all detection frequency bands;

receiving frequency band measurement information that the terminal device sends according to the frequency band configuration information, wherein the frequency band measurement information comprises measurement information of the reference frequency band and measurement information of the all detection frequency bands; and

determining an available frequency band of the terminal device according to the frequency band measurement information;

wherein the acquiring the reference frequency band and the at least one detection frequency band comprises:

dividing a frequency band of the first system into an interference-free frequency band and an interference frequency band; and

configuring the interference-free frequency band as the reference frequency band, and dividing the interference frequency band into the at least one detection frequency band according to a granularity of the second system.

2 . The frequency band scheduling method of claim 1 , wherein the receiving the frequency band measurement information that the terminal device sends according to the frequency band configuration information comprises:

periodically receiving the measurement information of the reference frequency band sent by the terminal device; and

sending a frequency band detection indication to the terminal device at an interference detection occasion; and

receiving the measurement information of the all detection frequency bands sent by the terminal device.

3 . The frequency band scheduling method of claim 1 , wherein in response to determining that a number of detection frequency bands is equal to i, the determining the available frequency band of the terminal device according to the frequency band measurement information comprises:

acquiring j detection frequency bands satisfying a preset condition from i detection frequency bands according to the frequency band measurement information, wherein i≥1, 0≤j≤i, and i and j are integers; and

configuring the j detection frequency bands and the reference frequency band as the available frequency band of the terminal device.

4 . The frequency band scheduling method of claim 3 , wherein the acquiring the j detection frequency bands satisfying the preset condition from the i detection frequency bands comprises:

determining whether a difference value between measurement information of an x-th detection frequency band and the measurement information of the reference frequency band is greater than a preset threshold; and

indicating that the x-th detection frequency band does not satisfy the preset condition based on a determination result that the difference value between the measurement information of the x-th detection frequency band and the measurement information of the reference frequency band is greater than the preset threshold; and indicating that the x-th detection frequency band satisfies the preset condition based on a determination result that the difference value between the measurement information of the x-th detection frequency band and the measurement information of the reference frequency band is less than or equal to the preset threshold, wherein x is an integer, and x is gradually increased from 1 to i in units of 1.

5 . The frequency band scheduling method of claim 3 , wherein in response to determining of j≥1, after the configuring the j detection frequency bands and the reference frequency band as the available frequency band of the terminal device, the method further comprises:

in response to determining that a communication quality at a previous occasion of the terminal device is superior to a communication quality at a current occasion, configuring the reference frequency band as an the available frequency band of the terminal device.

6 . The frequency band scheduling method of claim 1 , wherein the frequency band configuration information is a channel state information-reference signal (CSI-RS) configuration, and the frequency band measurement information is channel state information (CSI).

7 . A non-transitory computer-readable storage medium, storing a computer program, wherein the computer program, when executed by a processor, implements the frequency band scheduling method of any one of claim 1 .

8 . A frequency band scheduling method, applied to a terminal device, comprising:

receiving frequency band configuration information sent by a network device, wherein the frequency band configuration information comprises configuration information of a reference frequency band and configuration information of all detection frequency bands, the reference frequency band is a frequency band in which a first system does not interfere with a second system with each other, and the detection frequency band is a frequency band in which the first system and the second system interfere with each other;

acquiring frequency band measurement information and sending the frequency band measurement information to the network device according to the frequency band configuration information, wherein the frequency band measurement information comprises measurement information of the reference frequency band and measurement information of the all detection frequency bands; and

receiving an available frequency band sent by the network device;

wherein a frequency band of the first system is divided into an interference-free frequency band and an interference frequency band, the interference-free frequency band is configured as the reference frequency band, and the interference frequency band is divided into least one detection frequency band according to a granularity of the second system.

9 . The frequency band scheduling method of claim 8 , wherein the acquiring the frequency band measurement information and sending the frequency band measurement information to the network device comprises:

periodically measuring on the reference frequency band, and sending the measurement information of the reference frequency band to the network device;

receiving a frequency band detection indication sent by the network device at an interference detection occasion; and

measuring on the all detection frequency bands according to the frequency band detection indication, and sending the measurement information of the all detection frequency bands to the network device.

10 . The frequency band scheduling method of claim 8 , wherein the frequency band configuration information is a channel state information-reference signal (CSI-RS) configuration; and the frequency band measurement information is channel state information (CSI).

11 . A communication node, comprising a processor, wherein the processor is configured to, when executing a computer program, implement a frequency band scheduling method, wherein the frequency band scheduling method comprises:

acquiring a reference frequency band and at least one detection frequency band, wherein the reference frequency band is a frequency band in which a first system does not interfere with a second system, and the at least one detection frequency band is a frequency band in which the first system and the second system interfere with each other;

sending frequency band configuration information to a terminal device, wherein the frequency band configuration information comprises configuration information of the reference frequency band and configuration information of all detection frequency bands;

receiving frequency band measurement information that the terminal device sends according to the frequency band configuration information, wherein the frequency band measurement information comprises measurement information of the reference frequency band and measurement information of the all detection frequency bands; and

determining an available frequency band of the terminal device according to the frequency band measurement information;

wherein the acquiring the reference frequency band and the at least one detection frequency band comprises:

dividing a frequency band of the first system into an interference-free frequency band and an interference frequency band; and

configuring the interference-free frequency band as the reference frequency band, and dividing the interference frequency band into the at least one detection frequency band according to a granularity of the second system.

12 . The communication node of claim 11 , wherein the receiving the frequency band measurement information that the terminal device sends according to the frequency band configuration information comprises:

periodically receiving the measurement information of the reference frequency band sent by the terminal device; and

sending a frequency band detection indication to the terminal device at an interference detection occasion; and

receiving the measurement information of the all detection frequency bands sent by the terminal device.

13 . The communication node of claim 11 , wherein in response to determining that a number of detection frequency bands is equal to i, the determining the available frequency band of the terminal device according to the frequency band measurement information comprises:

acquiring j detection frequency bands satisfying a preset condition from i detection frequency bands according to the frequency band measurement information, wherein i≥1, 0≤j≤i, and i and j are integers; and

configuring the j detection frequency bands and the reference frequency band as the available frequency band of the terminal device.

14 . The communication node of claim 13 , wherein the acquiring the j detection frequency bands satisfying the preset condition from the i detection frequency bands comprises:

determining whether a difference value between measurement information of an x-th detection frequency band and the measurement information of the reference frequency band is greater than a preset threshold; and

indicating that the x-th detection frequency band does not satisfy the preset condition based on a determination result that the difference value between the measurement information of the x-th detection frequency band and the measurement information of the reference frequency band is greater than the preset threshold; and indicating that the x-th detection frequency band satisfies the preset condition based on a determination result that the difference value between the measurement information of the x-th detection frequency band and the measurement information of the reference frequency band is less than or equal to the preset threshold, wherein x is an integer, and x is gradually increased from 1 to i in units of 1.

15 . The communication node of claim 13 , wherein in response to determining of j≥1, after the configuring the j detection frequency bands and the reference frequency band as the available frequency band of the terminal device, the method further comprises:

in response to determining that a communication quality at a previous occasion of the terminal device is superior to a communication quality at a current occasion, configuring the reference frequency band as an the available frequency band of the terminal device.

16 . The communication node of claim 11 , wherein the frequency band configuration information is a channel state information-reference signal (CSI-RS) configuration, and the frequency band measurement information is channel state information (CSI).

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (21)