Information reporting method, information receiving method, and apparatus

Patent metadata

Field	Value
Publication number	US-12517243-B2
Application number	US-202217698233-A
Country	US
Kind code	B2
Filing date	Mar 18, 2022
Priority date	Sep 20, 2019
Publication date	Jan 6, 2026
Grant date	Jan 6, 2026

Abstract

An information reporting method and apparatus for of automatic or intelligent driving, the method including receiving, by a detection apparatus, a first signal, determining, by the detection apparatus, based on the first signal, an interfered range in a detection range of the detection apparatus, and sending, by the detection apparatus, interference information to a fusion apparatus, where the interference information comprises indication information of the interfered range.

First claim

What is claimed is:

1 . An information reporting method performed by a radar system comprising a millimeter-wave radar and an electronic control unit (ECU), the method comprising:
receiving, by an antenna in the millimeter-wave radar, a first signal; performing, by a frequency mixer in the millimeter-wave radar, frequency mixing on the first signal and a local-frequency signal to obtain a second signal; determining, by the millimeter-wave radar, based on the second signal, an interfered range in a detection range of the millimeter-wave radar, wherein the interfered range comprises an impact range of interference comprising one or more ranges of detectable values defining where, in the detection range, that interference exists; and sending, by the millimeter-wave radar, interference information to the ECU, wherein the interference information comprises indication information of the interfered range, wherein the sending the interference information to the ECU causes the ECU to determine, according to the interference information, a confidence level for the first signal for object detection associated with an automated vehicle control process.

2 . The method according to claim 1 , wherein the indication information of the interfered range indicates at least one of an interfered distance range, an interfered speed range, or an interfered angle range.

3 . The method according to claim 2 , wherein the interfered range is determined according to at least one of an interfered distance interval, an interfered speed interval, or an interfered angle interval, wherein the interfered distance range is represented by the distance interval, wherein the interfered speed range is represented by the speed interval, and wherein the interfered angle range is represented by the angle interval.

4 . The method according to claim 2 , wherein the interference information comprises at least one piece of interference intensity information, and wherein the at least one piece of interference intensity information corresponds to at least one of the interfered distance range, the interfered speed range, or the interfered angle range.

5 . The method according to claim 2 , wherein the interfered range is determined according to a matrix represented by at least one of an interfered distance dimension, an interfered speed dimension, or an interfered angle dimension, and wherein an element value of the matrix represents interference intensity information; and
wherein at least one of the interfered distance range, the interfered speed range, or the interfered angle range is determined according to at least one of a distance dimension, a speed dimension, or an angle dimension in which an element that is in the matrix and whose element value belongs to a first range is located.

6 . The method according to claim 5 , wherein the first range a first comprises value and a second value; and
wherein the first value is greater than the second value, and wherein an interference intensity represented by the first value is greater than an interference intensity represented by the second value.

7 . The method according to claim 1 , wherein the interference information further comprises at least one of indication information indicating whether the millimeter-wave radar receives an interference signal or a time range in which the millimeter-wave radar is interfered with.

8 . An information receiving method performed by an electronic control unit (ECU) in a radar system, comprising:
receiving, by the ECU, from a millimeter-wave radar comprised in the radar system, interference information associated with a first signal, wherein the interference information comprises indication information of an interfered range in a detection range of the millimeter-wave radar, wherein the interfered range comprises an impact range of interference comprising one or more ranges of detectable values defining where, in the detection range, that interference exists, wherein the interfered range is determined based on a second signal, wherein the second signal is obtained by performing frequency mixing on the first signal and a local-frequency signal of the millimeter-wave radar using a frequency mixer in the millimeter-wave radar, and wherein the first signal is received by an antenna in the millimeter-wave radar; determining, by the ECU, the interfered range in the detection range of the millimeter-wave radar based on the interference information; and determining, according to the interference information, a confidence level for the first signal for object detection associated with an automated vehicle control process.

9 . The method according to claim 8 , wherein the indication information of the interfered range indicates at least one of an interfered distance range, an interfered speed range, or an interfered angle range.

10 . The method according to claim 9 , wherein the determining the interfered range in the detection range of the millimeter-wave radar comprises:
determining, by the ECU, the interfered range in the detection range of the millimeter-wave radar based on at least one of an interfered distance interval, an interfered speed interval, or an interfered angle interval, wherein the interfered distance range is represented by the distance interval, wherein the interfered speed range is represented by the speed interval, and wherein the interfered angle range is represented by the angle interval.

11 . The method according to claim 9 , wherein the interference information comprises at least one piece of interference intensity information, and wherein the at least one piece of interference intensity information corresponds to at least one of the distance range, the speed range, or the angle range.

12 . The method according to claim 9 , wherein the determining the interfered range in the detection range of the millimeter-wave radar comprises:
determining, by the ECU, the interfered range in the detection range of the millimeter-wave radar based on a matrix represented by at least one of an interfered distance dimension, an interfered speed dimension, or an interfered angle dimension; wherein an element value of the matrix represents interference intensity information, and wherein at least one of the interfered distance range, the interfered speed range, or the interfered angle range is determined according to at least one of a distance dimension, a speed dimension, or an angle dimension in which an element that is in the matrix and whose element value belongs to a first range is located.

13 . The method according to claim 12 , wherein the first range comprises a first value and a second value; and
wherein the first value is greater than the second value, and wherein an interference intensity represented by the first value is greater than an interference intensity represented by the second value.

14 . The method according to claim 8 , wherein the interference information further comprises at least one of indication information indicating whether the millimeter-wave radar receives an interference signal or a time range in which the millimeter-wave radar is interfered with.

15 . An apparatus, comprising:
a millimeter-wave radar comprising:
an antenna configured to receive a first signal; and
a frequency mixer configured to perform frequency mixing on the first signal and a local-frequency signal to obtain a second signal;
an electronic control unit (ECU); a processor; and a non-transitory memory comprising a computer program for execution by the processor, the computer program including instructions for:
determining an interfered range in

Assignees

• Shenzhen Yinwang Intelligent Technology Co Ltd

Inventors

• Gao Lutao
• Ma Sha

Classifications

• B60W2420/408

  Radar; Laser, e.g. lidar · CPC title

• B60W2420/54

  Audio sensitive means, e.g. ultrasound · CPC title

• B60W50/0205

  Diagnosing or detecting failures; Failure detection models · CPC title

• G01S7/0236

  Avoidance by space multiplex · CPC title

• G06F18/251

  of input or preprocessed data · CPC title