# US 2025/0096987 A1 · Information feedback method and apparatus, information receiving method and apparatus, device, and storage medium

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- Number: US 2025/0096987 A1
- Document ID: US20250096987A1
- Status: Published application
- Kind: A1
- Application number: 18/965,604
- Filed: 2024-12-02
- Published: 2025-03-20
- Earliest claimed: 2020-10-10
- Assignees: Zte Corporation
- Applicants: ZTE Corporation
- Inventors: Xiyu WANG; Zhaohua LU; Bo GAO; Liujun HU
- Web page: https://patentgrep.com/patent/US20250096987A1

## CPC

- H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)}
- H04L 5/0057: {Physical resource allocation for CQI}
- H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]}
- H04B 7/0689: {using different transmission schemes, at least one of them being a diversity transmission scheme}
- H04B 7/0691: {using subgroups of transmit antennas}
- H04B 7/06952: {Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping}
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04L 5/0023: {Time-frequency-space}
- 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 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04L 5/0062: {Avoidance of ingress interference, e.g. ham radio channels}
- 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

Provided are an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium. The information feedback includes the following: a second node configures a report configuration and sends the report configuration to a first node; the first node receives the report configuration sent by the second node and determines channel state information according to the report configuration, where the channel state information includes a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; the channel state information is fed back to the second node through a report instance; and the second node receives the channel state information fed back by the first node through the report instance.

## Claims

### Claim 1

An information feedback method, applied to a first node, comprising:
receiving a report configuration sent by a second node;
determining channel state information according to the report configuration, wherein the channel state information comprises a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; and
feeding the channel state information back to the second node through a report instance; wherein a method for determining the channel state information comprises:
creating N groups and setting a parameter i to 0;
determining, from a channel state set, at least one of following information under an ith group: a reference signal set Ki, grouping information li, or an antenna panel set Li;
in a case where the parameter i is less than N−1, removing an element in the channel state set that is associated with the grouping information li or with the antenna panel set Li to obtain an updated channel state set; setting i to i+1, and returning to execution of determining the at least one of the following information under the ith group from the channel state set: the reference signal set Ki, the grouping information li, or the antenna panel set Li; and
in a case where the parameter i is equal to N−1, outputting the N groups.

### Claim 2 (depends on 1)

The method of claim 1, wherein the channel state information further comprises at least one of grouping information, a reference signal receiving power (RSRP), or a signal to interference plus noise ratio (SINR).

### Claim 3 (depends on 1)

The method of claim 1, wherein the grouping criterion comprises at least one of:
reference signals in different report instances from different report configurations are capable of being received simultaneously; or
reference signals in a same report instance from a same report configuration are not capable of being received simultaneously.

### Claim 4 (depends on 1)

The method of claim 1, wherein the grouping criterion comprises at least one of:
reference signals in different report instances from different report configurations are not capable of being received simultaneously; or
reference signals in a same report instance from a same report configuration are capable of being received simultaneously.

### Claim 5 (depends on 1)

The method of claim 1, wherein the grouping criterion comprises at least one of: a beam grouping criterion or an antenna grouping criterion.

### Claim 6 (depends on 5)

The method of claim 5, wherein the antenna grouping criterion comprises at least one of:
reference signals within one group are not capable of being received simultaneously;
reference signals in different groups are capable of being received simultaneously;
reference signals within one group are not capable of being sent simultaneously; or
reference signals in different groups are capable of being sent simultaneously.

### Claim 7 (depends on 5)

The method of claim 5, wherein the beam grouping criterion comprises at least one of:
reference signals within one group are capable of being received simultaneously;
reference signals in different groups are not capable of being received simultaneously;
reference signals within one group are capable of being sent simultaneously; or
reference signals in different groups are not capable of being sent simultaneously.

### Claim 8 (depends on 1)

The method of claim 1, wherein among a plurality of report configurations, one of the plurality of report configurations is configured with a specific identifier, and the specific identifier is used for indicating that a report instance corresponding to the one of the plurality of report configurations is a leading report instance among a plurality of report instances.

### Claim 9 (depends on 1)

The method of claim 1, wherein among a plurality of report configurations, a corresponding time identifier is configured in each of the plurality of report configurations, and the time identifier is used for indicating an effective time of a report instance corresponding to each of the plurality of report configurations; or
among a plurality of report instances, each of the plurality of report instances carries time indication information, the time indication information is used for indicating an effective time of each of the plurality of report instances, and the time indication information is determined by the first node.

### Claim 10 (depends on 1)

The method of claim 1, wherein the report configuration carries grouping information, and grouping information corresponding to the report instance needs to be same as the grouping information carried in the report configuration.

### Claim 11 (depends on 1)

The method of claim 1, wherein the report configuration carries grouping information, and grouping information corresponding to the report instance needs to be different from the grouping information carried in the report configuration.

### Claim 12 (depends on 1)

The method of claim 1, wherein an information feedback comprises at least one of:
a periodic channel state information (CSI) report, a semi-persistent CSI report, or an aperiodic CSI report.

### Claim 13

An information feedback method, applied to a first node, comprising:
receiving a report configuration sent by a second node;
determining channel state information according to the report configuration, wherein the channel state information comprises a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; and
feeding the channel state information back to the second node through a report instance;
wherein the channel state information further comprises at least one of grouping information, a reference signal receiving power (RSRP), or a signal to interference plus noise ratio (SINR);
wherein in a case where the report configuration comprises a feedback using the RSRP and an antenna grouping criterion, a method for determining the channel state information comprises:
creating N groups and setting a parameter i to 0;
determining a best reference signal and best grouping information from an RSRP set;
determining reference signals having top S RSRPs under the best grouping information;
determining the reference signals having the top S RSRPs to be a reference signal set Ki for an ith group, and determining the best grouping information to be grouping information li for the ith group;
in a case where the parameter i is less than N−1, removing an element in the RSRP set that is associated with the best grouping information to obtain an updated RSRP set; setting i to i+1, and returning to execution of determining the best reference signal and the best grouping information from the RSRP set; and
in a case where the parameter i is equal to N−1, outputting the N groups.

### Claim 14 (depends on 13)

The method of claim 13, wherein an information feedback comprises at least one of:
a periodic channel state information (CSI) report, a semi-persistent CSI report, or an aperiodic CSI report.

### Claim 15 (depends on 14)

The method of claim 14, wherein determining a plurality of report configurations having an association relationship comprises:
determining, in the aperiodic CSI report, that the plurality of report configurations associated with a same triggering state or with same trigger signaling have the association relationship.

### Claim 16 (depends on 13)

The method of claim 13, wherein the grouping criterion comprises at least one of: a beam grouping criterion or an antenna grouping criterion, and wherein the antenna grouping criterion comprises at least one of:
reference signals within one group are not capable of being received simultaneously;
reference signals in different groups are capable of being received simultaneously;
reference signals within one group are not capable of being sent simultaneously; or
reference signals in different groups are capable of being sent simultaneously.

### Claim 17 (depends on 13)

The method of claim 13, wherein among a plurality of report configurations, one of the plurality of report configurations is configured with a specific identifier, and the specific identifier is used for indicating that a report instance corresponding to the one of the plurality of report configurations is a leading report instance among a plurality of report instances.

### Claim 18 (depends on 13)

The method of claim 13, wherein among a plurality of report configurations, a corresponding time identifier is configured in each of the plurality of report configurations, and the time identifier is used for indicating an effective time of a report instance corresponding to each of the plurality of report configurations; or
among a plurality of report instances, each of the plurality of report instances carries time indication information, the time indication information is used for indicating an effective time of each of the plurality of report instances, and the time indication information is determined by the first node.

### Claim 19

A device comprising one or more processors and a memory configured to store programs that, upon execution by the one or more processors, cause the device to implement a method, comprising:
receiving a report configuration sent by a second node;
determining channel state information according to the report configuration, wherein the channel state information comprises a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; and
feeding the channel state information back to the second node through a report instance; wherein a method for determining the channel state information comprises:
creating N groups and setting a parameter i to 0;
determining, from a channel state set, at least one of following information under an ith group: a reference signal set Ki, grouping information li, or an antenna panel set Li;
in a case where the parameter i is less than N−1, removing an element in the channel state set that is associated with the grouping information li or with the antenna panel set Li to obtain an updated channel state set; setting i to i+1, and returning to execution of determining the at least one of the following information under the ith group from the channel state set: the reference signal set Ki, the grouping information li, or the antenna panel set Li; and
in a case where the parameter i is equal to N−1, outputting the N groups.

### Claim 20 (depends on 13)

A device comprising one or more processors and a memory configured to store programs that, upon execution by the one or more processors, cause the device to implement the method recited in claim 13.
