# US 12,184,398 B2 · Group common DCI for CLI measurement and reporting

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- Number: US 12,184,398 B2
- Document ID: US12184398B2
- Status: Granted
- Kind: B2
- Application number: 18/349,863
- Filed: 2023-07-10
- Published: 2023-11-02
- Granted: 2024-12-31
- Earliest claimed: 2020-07-10
- Assignees: QUALCOMM Incorporated
- Applicants: QUALCOMM Incorporated
- Inventors: Abdelrahman Mohamed Ahmed Mohamed Ibrahim; Muhammad Sayed Khairy Abdelghaffar; Ahmed Attia Abotabl; Huilin Xu
- Web page: https://patentgrep.com/patent/US12184398B2

## CPC

- H04J 11/0053: {using co-ordinated multipoint transmission/reception (co-ordinated antenna or beam-forming aspects H04B7/022)}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04B 17/24: with feedback of measurements to the transmitter
- H04B 17/345: Interference values ({signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]} H04B17/336)
- H04J 11/005: {of intercell interference}
- H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)}
- H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal}
- H04L 5/0073: {Allocation arrangements that take into account other cell interferences}
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04W 72/541: using the level of interference
- H04J 11/0079: {Acquisition of downlink reference signals, e.g. detection of cell-ID}
- H04L 5/14: Two-way operation using the same type of signal, i.e. duplex
- H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04B: TRANSMISSION
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for grouping common DCI for CLI measurement and reporting. In a first aspect, a UE may receive DCI that is common to a group of UEs that includes the UE. The DCI may be configured to trigger at least one of an SRS transmission or a CLI measurement. The UE may transmit the SRS transmission and/or report the CLI measurement based on the DCI that is common to the group of UEs. In a second aspect, a base station may transmit at least one DCI that is common to the group of UEs to trigger the at least one of the SRS transmission or the CLI report for the group of UEs. The base station may receive the CLI report from at least a subset of UEs in the group of UEs.

## Claims

### Claim 1

A user equipment (UE), comprising:
at least one memory; and
at least one processor coupled to the at least one memory, wherein the UE is configured to:
receive downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report; and
transmit, based on the payload of the DCI, the SRS and the CLI measurement report at a same symbol of a slot.

### Claim 2 (depends on 1)

The UE of claim 1, wherein the SRS is aperiodic.

### Claim 3 (depends on 1)

The UE of claim 1, wherein the SRS is semi-persistent.

### Claim 4 (depends on 1)

The UE of claim 1, wherein the UE is configured to:
receive a plurality of SRS transmissions corresponding to different SRS resources from a subset of UEs in the group of UEs, wherein the CLI measurement report includes at least one of: a received signal strength indicator (RSSI) associated with the different SRS resources, a reference signal received power (RSRP) associated with the different SRS resources, or a reference signal received quality (RSRQ) associated with the different SRS resources.

### Claim 5 (depends on 1)

The UE of claim 1, wherein a configuration for the CLI measurement report is based on a scheduling of the SRS.

### Claim 6 (depends on 1)

The UE of claim 1, wherein the UE further includes a transceiver coupled to the at least one processor, wherein, to receive the DCI, the UE is configured to receive the DCI via the transceiver, and wherein, to transmit the SRS and the CLI measurement report, the UE is configured to transmit the SRS and the CLI measurement report via the transceiver.

### Claim 7

A user equipment (UE), comprising:
at least one memory; and
at least one processor coupled to the at least one memory, wherein the UE is configured to:
receive downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report; and
transmit, based on the payload of the DCI, the SRS and the CLI measurement report at different symbols of a slot.

### Claim 8

A user equipment (UE), comprising:
at least one memory; and
at least one processor coupled to the at least one memory, wherein the UE is configured to:
receive downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report;
transmit, based on the payload of the DCI, the SRS or the CLI measurement report;
receive a transmission configuration indicator (TCI) state indicative of quasi co-location (QCL) Type D for channel state information-interference measurement (CSI-IM) resources; and
obtain a CLI measurement based on the CSI-IM resources.

### Claim 9 (depends on 8)

The UE of claim 8, wherein the UE is configured to obtain the CLI measurement based on the payload of the DCI.

### Claim 10 (depends on 8)

The UE of claim 8, wherein, to transmit the SRS or the CLI measurement, the UE is configured to transmit the CLI measurement report, and wherein the CLI measurement report includes the CLI measurement.

### Claim 11

A user equipment (UE), comprising:
at least one memory; and
at least one processor coupled to the at least one memory, wherein the UE is configured to:
receive a radio resource control (RRC) configuration;
receive downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report, wherein the payload of the DCI includes multiple blocks, and wherein the multiple blocks are associated with a DCI position index based on the RRC configuration; and
transmit, based on the payload of the DCI, the SRS or the CLI measurement report.

### Claim 12 (depends on 11)

The UE of claim 11, wherein the RRC configuration indicates for the UE to monitor a block included in the multiple blocks based on the DCI position index.

### Claim 13 (depends on 11)

The UE of claim 11, wherein the multiple blocks include a first block and a second block, and wherein the first block is configured to trigger transmission of the SRS, and the second block is configured to trigger transmission of the CLI measurement report.

### Claim 14 (depends on 11)

The UE of claim 11, wherein the UE is configured with one or more DCI positions based on the DCI position index, the one or more DCI positions corresponding to a respective block in the multiple blocks of the payload.

### Claim 15 (depends on 11)

The UE of claim 11, wherein the multiple blocks include a first block and a second block, and wherein, to transmit the SRS or the CLI measurement report, the UE is configured to:
transmit, based on the first block, the SRS; and
transmit, based on the second block, the CLI measurement report.

### Claim 16

A method of wireless communication performed by a user equipment (UE), comprising:
receiving downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report; and
transmitting, based on the payload of the DCI, the SRS and the CLI measurement report at a same symbol of a slot.

### Claim 17 (depends on 16)

The method of claim 16, wherein the SRS is aperiodic.

### Claim 18 (depends on 16)

The method of claim 16, wherein the SRS is semi-persistent.

### Claim 19 (depends on 16)

The method of claim 16, further comprising:
receiving a plurality of SRS transmissions corresponding to different SRS resources from a subset of UEs in the group of UEs, wherein the CLI measurement report includes at least one of: a received signal strength indicator (RSSI) associated with the different SRS resources, a reference signal received power (RSRP) associated with the different SRS resources, or a reference signal received quality (RSRQ) associated with the different SRS resources.

### Claim 20 (depends on 16)

The method of claim 16, wherein a configuration for the CLI measurement report is based on a scheduling of the SRS.

### Claim 21

A method of wireless communication performed by a user equipment (UE), comprising:
receiving downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report; and
transmitting, based on the payload of the DCI, the SRS and the CLI measurement report at different symbols of a slot.

### Claim 22

A method of wireless communication performed by a user equipment (UE), comprising:
receiving downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report; and
transmitting, based on the payload of the DCI, the SRS or the CLI measurement report;
receiving a transmission configuration indicator (TCI) state indicative of quasi co-location (QCL) Type D for channel state information-interference measurement (CSI-IM) resources; and
obtaining a CLI measurement based on the CSI-IM resources.

### Claim 23 (depends on 22)

The method of claim 22, wherein the UE obtains the CLI measurement based on the payload of the DCI.

### Claim 24 (depends on 22)

The method of claim 22, wherein the UE transmits the CLI measurement report, and wherein the CLI measurement report includes the CLI measurement.

### Claim 25

A method of wireless communication performed by a user equipment (UE), comprising:
receiving a radio resource control (RRC) configuration;
receiving downlink control information (DCI) that is common to a group of UEs that includes the UE, wherein a payload of the DCI is configured to trigger at least one of: transmission of a sounding reference signal (SRS) or a cross link interference (CLI) measurement report, wherein the payload of the DCI includes multiple blocks, and wherein the multiple blocks are associated with a DCI position index based on the RRC configuration; and
transmitting, based on the payload of the DCI, the SRS or the CLI measurement report.

### Claim 26 (depends on 25)

The method of claim 25, wherein the RRC configuration indicates for the UE to monitor a block included in the multiple blocks based on the DCI position index.

### Claim 27 (depends on 25)

The method of claim 25, wherein the multiple blocks include a first block and a second block, wherein the first block is configured to trigger transmission of the SRS, and the second block is configured to trigger transmission of the CLI measurement report.

### Claim 28 (depends on 25)

The method of claim 25, wherein the UE is configured with one or more DCI positions based on the DCI position index, the one or more DCI positions corresponding to a respective block in the multiple blocks of the payload.

### Claim 29 (depends on 25)

The method of claim 25, wherein the multiple blocks include a first block and a second block, and wherein transmitting the SRS or the CLI measurement report comprises:
transmitting, based on the first block, the SRS; and
transmitting, based on the second block, the CLI measurement report.
