# US 2025/0167902 A1 · Method for measuring and reporting cross-link interference, device, and readable storage medium

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- Number: US 2025/0167902 A1
- Document ID: US20250167902A1
- Status: Published application
- Kind: A1
- Application number: 19/033,018
- Filed: 2025-01-21
- Published: 2025-05-22
- Earliest claimed: 2022-07-21
- Assignees: Vivo Mobile Communication Co., Ltd.
- Applicants: Vivo Mobile Communication Co., Ltd.
- Inventors: Na LI
- Web page: https://patentgrep.com/patent/US20250167902A1

## CPC

- H04B 17/346: {Noise values (signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] H04B17/336)}
- H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]}
- H04B 7/0695: {using beam selection}
- H04B 7/06968: {using quasi-colocation [QCL] between signals}
- H04B 17/345: Interference values ({signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]} H04B17/336)
- H04L 5/00: Arrangements affording multiple use of the transmission path
- H04L 5/0023: {Time-frequency-space}
- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04L 5/0073: {Allocation arrangements that take into account other cell interferences}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04W 24/08: Testing, {supervising or monitoring} using real traffic
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04W 72/231: the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
- H04W 76/28: Discontinuous transmission [DTX]; Discontinuous reception [DRX]
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

This application discloses a method for measuring and reporting cross-link interference, a device, and a readable storage medium. The method includes: receiving, by a terminal, first configuration information from a network device, where the first configuration information includes first information and/or second information; performing, by the terminal, cross-link interference CLI measurement on a CLI measurement resource based on the first configuration information; and sending, by the terminal to the network device, a CLI report corresponding to the CLI measurement resource, where the first information is used to configure or indicate spatial relation information corresponding to each CLI measurement resource, and the second information is used to configure or indicate a configuration parameter for CLI measurement.

## Claims

### Claim 1

A method for measuring and reporting cross-link interference, comprising:
receiving, by a terminal, first configuration information from a network device, wherein the first configuration information comprises first information and/or second information;
performing, by the terminal, cross-link interference (CLI) measurement on a CLI measurement resource based on the first configuration information; and
sending, by the terminal to the network device, a CLI report corresponding to the CLI measurement resource, wherein
the first information is used to configure or indicate spatial relation information corresponding to each CLI measurement resource, and the second information is used to configure or indicate a configuration parameter for CLI measurement.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the method further comprises:
in a case that the terminal performs measurement and reporting on a first CLI measurement resource for which no spatial relation information is configured or indicated, determining, by the terminal, spatial relation information for the first CLI measurement resource according to at least one of the following rules:
quasi co-location type D (QCL-D) of the first CLI measurement resource is the same as QCL-D of a last received physical downlink shared channel (PDSCH);
QCL-D of the first CLI measurement resource is the same as QCL-D of a last monitored control resource set (CORESET);
QCL-D of the first CLI measurement resource is the same as QCL-D of either a received PDSCH or a monitored CORESET, whichever is more recent;
QCL-D of the first CLI measurement resource is the same as QCL-D of a CORESET with a smallest index in an active bandwidth part (BWP); or
a QCL source of the first CLI measurement resource is determined in a predefined manner.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the method further comprises:
receiving, by the terminal from the network device, third information for triggering aperiodic CLI measurement and reporting, wherein the third information comprises any one of the following:
uplink grant (UL grant) information;
downlink grant (DL grant) information; or
group common downlink control information group common (DCI).

### Claim 4 (depends on 1)

The method according to claim 1, wherein
the CLI report comprises only first indication information, wherein the first indication information is used to indicate a CLI measurement value corresponding to the CLI measurement resource;
or
the CLI report comprises first indication information and second indication information, wherein the first indication information is used to indicate a CLI measurement value corresponding to the CLI measurement resource, and the second indication information is used to indicate whether the CLI measurement value meets a first condition or the second indication information is used to indicate whether the CLI report comprises the first indication information, wherein
the first condition comprises one or more of the following:
the CLI measurement value is greater than a first threshold;
a variation of the CLI measurement value is greater than a second threshold; or
a value of a beam failure instance (BFI) is greater than a third threshold, wherein the third threshold is less than a trigger threshold for beam failure recovery (BFR).

### Claim 5 (depends on 4)

The method according to claim 4, wherein the sending, to the network device, a CLI report corresponding to the CLI measurement resource comprises one or more of the following:
in a case that the CLI report and a CSI report are transmitted on a same channel and that the CLI report comprises only the first indication information, jointly encoding and mapping the first indication information with part 1 (CSI part 1) of the CSI report, or jointly encoding and mapping the first indication information with part 2 (CSI part 2) of the CSI report; or
in a case that the CLI report and the CSI report are transmitted on the same channel and that the CLI report comprises the first indication information and the second indication information, jointly encoding and mapping the first indication information with CSI part 2, and jointly encoding and mapping the second indication information with CSI part 1.

### Claim 6 (depends on 4)

The method according to claim 4, wherein the sending, to the network device, a CLI report corresponding to the CLI measurement resource comprises one or more of the following:
in a case that the CLI report and first uplink information are transmitted on a same channel and that the CLI report comprises only the first indication information, jointly encoding and mapping the CLI report with the first uplink information; or
in a case that the CLI report and the first uplink information are transmitted on the same channel and that the CLI report comprises the first indication information and the second indication information, separately encoding and mapping the first indication information, and jointly encoding and mapping the second indication information with the first uplink information, wherein
the first uplink information comprises hybrid automatic repeat request acknowledgement (HARQ-ACK) information and/or scheduling request (SR) information.

### Claim 7 (depends on 4)

The method according to claim 4, wherein the sending, to the network device, a CLI report corresponding to the CLI measurement resource comprises one or more of the following:
in a case that the CLI report, a CSI report, and first uplink information are transmitted on a same channel, discarding the CLI report or the CSI report;
in a case that the CLI report, the CSI report, and the first uplink information are transmitted on the same channel, jointly encoding and mapping the CLI report, CSI part 1, and the first uplink information, or jointly encoding the CLI report with CSI part 2, wherein the CLI report comprises only the first indication information; or
in a case that the CLI report, the CSI report, and the first uplink information are transmitted on the same channel and that the CLI report comprises the first indication information and the second indication information, jointly encoding and mapping the first indication information with CSI part 2, and jointly encoding and mapping the second indication information with CSI part 1 and the first uplink information, wherein
the first uplink information comprises HARQ-ACK information and/or SR information.

### Claim 8 (depends on 1)

The method according to claim 1, wherein the method further comprises:
determining, by the terminal, a priority of the CLI report according to at least one of the following rules:
a priority of a periodic CLI report is lower than a priority of an aperiodic CLI report;
a priority of a CLI report is higher than a priority of an aperiodic CSI report;
a priority of an aperiodic CLI report is lower than a priority of an aperiodic CSI report;
a priority of a periodic CLI report is lower than a priority of a periodic CSI report; or
a priority of a periodic CSI report is lower than a priority of an aperiodic CLI report.

### Claim 9 (depends on 1)

The method according to claim 1, wherein
the method further comprises:
receiving, by the terminal, first trigger information and second trigger information from the network device, wherein the first trigger information is used to trigger an aperiodic CLI report and the second trigger information is used to trigger an aperiodic CSI report; and
performing, by the terminal, at least one of the following:
the terminal being triggered to send the aperiodic CLI report and the aperiodic CSI report in different time units based on the first trigger information and the second trigger information;
the terminal being triggered to send the aperiodic CLI report and the aperiodic CSI report in different time units based on the first trigger information and the second trigger information, wherein the first trigger information and the second trigger information are transmitted using different DCIs;
the terminal being triggered to send the aperiodic CLI report and the aperiodic CSI report in a same time unit based on the first trigger information and the second trigger information; or
the terminal being triggered to send the aperiodic CLI report and the aperiodic CSI report in the same time unit based on the first trigger information and the second trigger information, wherein the first trigger information and the second trigger information are transmitted in the same DCI.

### Claim 10 (depends on 9)

The method according to claim 9, wherein in a case that the terminal is triggered to send the aperiodic CLI report and the aperiodic CSI report in the same time unit, the method further comprises any one of the following:
sending, by the terminal, the aperiodic CLI report or the aperiodic CSI report;
sending, by the terminal, the aperiodic CLI report and the aperiodic CSI report;
in a case that the aperiodic CLI report and the aperiodic CSI report are transmitted on a same channel, sending, by the terminal, the aperiodic CLI report or the aperiodic CSI report;
in a case that the aperiodic CLI report and the aperiodic CSI report are transmitted on different channels, sending, by the terminal, the aperiodic CLI report and the aperiodic CSI report;
in a case that the aperiodic CLI report and the aperiodic CSI report are transmitted on the same channel, sending, by the terminal, the aperiodic CLI report and the aperiodic CSI report; or
in a case that the aperiodic CLI report and the aperiodic CSI report are transmitted on different channels, sending, by the terminal, the aperiodic CLI report or the aperiodic CSI report.

### Claim 11 (depends on 1)

The method according to claim 1, wherein the method further comprises:
in a case that the CLI report and a CSI report are transmitted on a same channel and that transmission resources do not meet simultaneous transmission of all report content of the CLI report and the CSI report, performing, by the terminal, any one of the following rules:
discarding in an order of the CLI report, CSI part 2 in the CSI report, and CSI part 1 in the CSI report, and in a case that a plurality of CLI reports exist, discarding one or more CLI reports in a preset order;
discarding in an order of CSI part 2 in the CSI report, the CLI report, and CSI part 1 in the CSI report, and in a case that a plurality of CLI reports exist, discarding one or more CLI reports in a preset order; or
discarding in an order of CSI part 2 in the CSI report, CSI part 1 in the CSI report, and the CLI report, and in a case that a plurality of CLI reports exist, discarding one or more CLI reports in a preset order.

### Claim 12 (depends on 1)

The method according to claim 1, wherein the method further comprises:
in a case that the terminal is configured with discontinuous reception (DRX) and/or detects DCI with a cyclic redundancy check (CRC) scrambled by a power saving radio network temporary identifier (PS-RNTI), sending the CLI report to the network device:
sending the CLI report to the network device within a DRX active time; and
determining, based on a configuration of the network device, whether to send the CLI report to the network device within a DRX inactive time.

### Claim 13

A method for measuring and reporting cross-link interference, comprising:
sending, by a network device, first configuration information to a terminal, wherein the first configuration information comprises first information and/or second information; and
receiving, by the network device, a CLI report on each of one or more CLI measurement resources, sent by the terminal, wherein
the first information is used to configure or indicate spatial relation information corresponding to each CLI measurement resource, and the second information is used to configure or indicate a configuration parameter for CLI measurement.

### Claim 14 (depends on 13)

The method according to claim 13, wherein the method further comprises:
sending, by the network device to the terminal, third information for triggering aperiodic CLI measurement and reporting, wherein the third information comprises any one of the following:
UL grant information;
DL grant information; or
group common DCI.

### Claim 15 (depends on 13)

The method according to claim 13, wherein
the CLI report comprises only first indication information, wherein the first indication information is used to indicate a CLI measurement value corresponding to the CLI measurement resource;
or
the CLI report comprises first indication information and second indication information, wherein the first indication information is used to indicate a CLI measurement value corresponding to the CLI measurement resource, and the second indication information is used to indicate whether the CLI measurement value meets a first condition, wherein
the first condition comprises one or more of the following:
the CLI measurement value is greater than a first threshold;
a variation of the CLI measurement value is greater than a second threshold; or
a value of a BFI is greater than a third threshold, wherein the third threshold is less than a trigger threshold for BFR.

### Claim 16

A terminal, comprising a processor and a memory, wherein the memory stores a program or instructions capable of running on the processor, wherein the program or instructions, when executed by the processor, cause the terminal to perform:
receiving first configuration information from a network device, wherein the first configuration information comprises first information and/or second information;
performing cross-link interference (CLI) measurement on a CLI measurement resource based on the first configuration information; and
sending to the network device, a CLI report corresponding to the CLI measurement resource, wherein
the first information is used to configure or indicate spatial relation information corresponding to each CLI measurement resource, and the second information is used to configure or indicate a configuration parameter for CLI measurement.

### Claim 17 (depends on 16)

The terminal according to claim 16, wherein the program or instructions, when executed by the processor, cause the terminal to further perform:
in a case that the terminal performs measurement and reporting on a first CLI measurement resource for which no spatial relation information is configured or indicated, determining spatial relation information for the first CLI measurement resource according to at least one of the following rules:
quasi co-location type D (QCL-D) of the first CLI measurement resource is the same as QCL-D of a last received physical downlink shared channel (PDSCH);
QCL-D of the first CLI measurement resource is the same as QCL-D of a last monitored control resource set (CORESET);
QCL-D of the first CLI measurement resource is the same as QCL-D of either a received PDSCH or a monitored CORESET, whichever is more recent;
QCL-D of the first CLI measurement resource is the same as QCL-D of a CORESET with a smallest index in an active bandwidth part (BWP); or
a QCL source of the first CLI measurement resource is determined in a predefined manner.

### Claim 18 (depends on 16)

The terminal according to claim 16, wherein the program or instructions, when executed by the processor, cause the terminal to further perform:
receiving, from the network device, third information for triggering aperiodic CLI measurement and reporting, wherein the third information comprises any one of the following:
uplink grant (UL grant) information;
downlink grant (DL grant) information; or
group common downlink control information group common (DCI).

### Claim 19 (depends on 16)

The terminal according to claim 16, wherein
the CLI report comprises only first indication information, wherein the first indication information is used to indicate a CLI measurement value corresponding to the CLI measurement resource;
or
the CLI report comprises first indication information and second indication information, wherein the first indication information is used to indicate a CLI measurement value corresponding to the CLI measurement resource, and the second indication information is used to indicate whether the CLI measurement value meets a first condition or the second indication information is used to indicate whether the CLI report comprises the first indication information, wherein the first condition comprises one or more of the following:
the CLI measurement value is greater than a first threshold;
a variation of the CLI measurement value is greater than a second threshold; or
a value of a beam failure instance (BFI) is greater than a third threshold, wherein the third threshold is less than a trigger threshold for beam failure recovery (BFR).

### Claim 20 (depends on 13)

A network device, comprising a processor and a memory, wherein the memory stores a program or instructions capable of running on the processor, and when the program or instructions are executed by the processor, the steps of the method for measuring and reporting cross-link interference according to claim 13 are implemented.
