# US 11,310,684 B2 · Signal processing method and apparatus

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- Number: US 11,310,684 B2
- Document ID: US11310684B2
- Status: Granted
- Kind: B2
- Application number: 16/673,565
- Filed: 2019-11-04
- Published: 2020-02-27
- Granted: 2022-04-19
- Earliest claimed: 2017-05-05
- Assignees: Huawei Technologies Co., Ltd.
- Applicants: Huawei Technologies Co., Ltd.
- Inventors: Xun Tang; Wei Quan; Jian Zhang; Li Chai; Jinhua Miao
- Web page: https://patentgrep.com/patent/US11310684B2

## CPC

- H04J 11/0059: {Out-of-cell user aspects}
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04B 1/1027: {assessing signal quality or detecting noise/interference for the received signal}
- H04J 11/0056: {Inter-base station aspects}
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 72/1273: of downlink data flows
- H04W 72/541: using the level of interference
- H04W 72/542: using measured or perceived quality
- 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)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04B: TRANSMISSION

## Abstract

A signal processing method and an apparatus are provided, and the method includes: measuring, by a terminal device, signal quality of one or more cells, to generate a first measurement report; and sending, by the terminal device, the first measurement report to a first base station, where the first measurement report includes measurement information of the one or more cells so that the first base station sends the first measurement report to a second base station, and the first base station implements, by using the first measurement report, uplink interference cancellation or downlink interference cancellation for the terminal device.

## Claims

### Claim 1

A signal processing method, comprising:
receiving, by a first base station, a first measurement report from a terminal device, wherein the first measurement report comprises measurement information of signals received by the terminal device from one or more cells;
sending, by the first base station, the first measurement report to a second base station; and
sending, by the first base station, uplink resource configuration information of the terminal device to the second base station, wherein the uplink resource configuration information of the terminal device comprises at least one of resource block (RB) location information, a modulation and coding scheme (MCS), or a frequency hopping indication for use by the terminal device for uplink transmission; and
wherein the second base station determines at least one third base station based on the first measurement report and sends the uplink resource configuration information of the terminal device to the at least one third base station.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the method further comprises:
sending, by the first base station, a resource scheduling request to the second base station, wherein the resource scheduling request is used to request downlink resource scheduling information from the second base station; and
receiving, by the first base station, first downlink resource scheduling information from the second base station.

### Claim 3 (depends on 2)

The method according to claim 2, wherein the method further comprises:
sending, by the first base station, the first downlink resource scheduling information to the terminal device, wherein the first downlink resource scheduling information comprises downlink resource scheduling information of the second base station.

### Claim 4 (depends on 3)

The method according to claim 3, wherein the first downlink resource scheduling information further comprises downlink resource scheduling information of a third base station, and the third base station is determined by the second base station based on the first measurement report.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the method further comprises:
determining, by the first base station, the second base station based on the first measurement report.

### Claim 6 (depends on 5)

The method according to claim 5, further comprising:
determining, by the first base station, at least one cell of the one or more cells based on the first measurement report; and
determining, by the first base station, the second base station based on the at least one cell.

### Claim 7 (depends on 1)

The method according to claim 1, wherein the measurement information comprises any one of a signal quality level and a signal quality, and wherein
a correspondence between the signal quality and the signal quality level is preset, or the correspondence is received by the terminal device from the first base station.

### Claim 8 (depends on 7)

The method according to claim 7, wherein the first measurement report further comprises at least one of a cell quantity or a cell ID corresponding to each signal quality level.

### Claim 9

A signal processing method, comprising:
receiving, by a second base station, a first measurement report from a first base station, wherein the first measurement report comprises measurement information obtained by a first terminal device by measuring signals received from one or more cells;
determining, by the second base station, at least one third base station based on the first measurement report, wherein the first base station is a serving base station of the first terminal device;
receiving, by the second base station, uplink resource configuration information of the terminal device from the first base station, wherein the uplink resource configuration information of the terminal device comprises at least one of resource block (RB) location information, a modulation and coding scheme (MCS), or a frequency hopping indication for use by the terminal device for uplink transmission; and
sending, by the second base station, the uplink resource configuration information of the terminal device to the at least one third base station.

### Claim 10 (depends on 9)

The method according to claim 9, wherein the first measurement report comprises a signal quality level of the one or more cells, and wherein determining, by the second base station, at least one third base station based on the first measurement report comprises:
determining, by the second base station, at least one of the one or more cells whose signal quality level exceeds a preset threshold as a target cell; and
determining, by the second base station, a base station of the target cell as one of the at least one third base station.

### Claim 11 (depends on 9)

The method according to claim 9, wherein the method further comprises:
receiving, by the second base station, a resource scheduling request from the first base station, wherein the resource scheduling request is used to request downlink resource scheduling information; and
sending, by the second base station, at least one of downlink resource scheduling information of the second base station or downlink resource scheduling information of the at least one third base station to the first base station.

### Claim 12

An apparatus, comprising:
one or more processors, and
a non-transitory storage medium configured to store program instructions,
wherein, when executed by the one or more processors, the instructions cause the apparatus to:
measure signal quality of signals received from one or more cells to generate a first measurement report; and
send the first measurement report to a first base station, wherein the first measurement report comprises measurement information of the signals received from the one or more cells;
wherein the first base station sends the first measurement report and uplink resource configuration information of the apparatus to a second base station, the uplink resource configuration information of the apparatus comprising at least one of resource block (RB) location information, a modulation and coding scheme (MCS), or a frequency hopping indication for use by the apparatus for uplink transmission; and
wherein the second base station determines at least one third base station based on the first measurement report and sends the uplink resource configuration information of the apparatus to the at least one third base station.

### Claim 13 (depends on 12)

The apparatus according to claim 12, wherein the instructions further cause the apparatus to:
generate the first measurement report based on measurement report configuration information, wherein the measurement report configuration information comprises at least one signal quality level.

### Claim 14 (depends on 13)

The apparatus according to claim 13, wherein the measurement report configuration information further comprises at least one of a signal quality range corresponding to each of the at least one signal quality level or level configuration information corresponding to each of the at least one signal quality level, and wherein the level configuration information is used to indicate the measurement information to be reported.

### Claim 15 (depends on 13)

The apparatus according to claim 13, wherein the measurement report configuration information is received by the apparatus from the first base station, or the measurement report configuration information is preconfigured.

### Claim 16 (depends on 12)

The apparatus according to claim 12, wherein the measurement information comprises any one of a signal quality level and a signal quality, and wherein
a correspondence between the signal quality and the signal quality level is preset, or the correspondence is received by the apparatus from the first base station.

### Claim 17 (depends on 12)

The apparatus according to claim 12, wherein the instructions further cause the apparatus to:
receive first downlink scheduling information from the first base station; or
determine the first downlink scheduling information by using first identification information, wherein the first downlink scheduling information is scheduling information of a neighboring cell, and wherein the first identification information is received by the apparatus from the first base station, or the first identification information is determined by the apparatus based on indication information received from the first base station.
