Home device position marking method and electronic device

Patent metadata

Field	Value
Publication number	US-12586457-B2
Application number	US-202118263623-A
Country	US
Kind code	B2
Filing date	Dec 23, 2021
Priority date	Jan 30, 2021
Publication date	Mar 24, 2026
Grant date	Mar 24, 2026

Abstract

A method is implemented by an electronic device to mark a position of a home device. The method includes that the electronic device receives a first operation of a user, where the first operation is used to trigger the electronic device to mark a position of a first home device in a plurality of home devices. In response to the first operation, the electronic device obtains, by using a UWB chip, spatial position-attitude information of the electronic device when the electronic device separately points to the first home device in n orientations, and calculates spatial position information of the first home device based on the spatial position-attitude information of the electronic device in the n orientations.

First claim

What is claimed is:

1 . A method implemented by an electronic device, wherein the method comprises:
receiving a first operation of a user to trigger the electronic device to initiate marking a position of a first home device in a plurality of home devices; obtaining, in response to the first operation and using an ultra-wideband (UWB) chip, n measurements of spatial position-attitude information of the electronic device when the electronic device is positioned towards the first home device in a respective orientation from n orientations, wherein the spatial position-attitude information comprises spatial position information and spatial attitude information, and wherein n≥2 and n is an integer; and calculating first spatial position information of the first home device based on the n measurements of the spatial position-attitude information in order to mark the position of the first home device.

2 . The method according to claim 1 , wherein receiving the first operation comprises receiving the first operation on a first interface, wherein the first interface is a device management interface of a smart home application of the electronic device, wherein the home devices are bound to the smart home application, wherein the device management interface comprises icons of the home devices, and wherein the first operation is a preset operation on the first home device.

3 . The method according to claim 1 , further comprising sending, in response to the first operation, first prompt information to prompt the user to control the electronic device to be positioned towards the first home device.

4 . The method according to claim 3 , wherein after sending the first prompt information, the method further comprises:
obtaining the spatial position-attitude information in a first orientation k from the n orientations; and sending second prompt information to prompt the user to control the electronic device to move from the first orientation k to a second orientation k+1 and be positioned towards the first home device in the second orientation k+1, wherein k has a value in a set of values {1, 2, . . . , n−1}.

5 . The method according to claim 1 , wherein after calculating the first spatial position information, the method further comprises sending prompt information to prompt the user that position marking of the first home device is completed and that the electronic device can be operated to directionally control the first home device.

6 . The method according to claim 1 , wherein obtaining the n measurements of the spatial position-attitude information comprises obtaining, in response to a second operation, first spatial position-attitude information i of the electronic device when the electronic device is positioned towards the first home device in a first orientation i from the n orientations, wherein i has a value in a set of values {1, 2 . . . , n}, wherein the second operation is a tap operation on a preset button in the electronic device or a preset control in the first prompt information when the user controls the electronic device to be positioned towards the first home device in the first orientation i, wherein the preset button is to trigger the electronic device to obtain the spatial position-attitude information, and wherein the preset control is to trigger the electronic device to obtain the spatial position-attitude information.

7 . The method according to claim 1 , further comprising:
interacting, when the electronic device is positioned towards the first home device in a first orientation i from the n orientations, with m UWB base stations using the UWB chip; obtaining a distance between the electronic device and each of the m UWB base stations; calculating second spatial position information i of the electronic device based on the obtained distance, wherein i has a value in a set of values {1, 2, . . . , n}, wherein m≥3 and is an integer, and wherein the m UWB base stations are part of at least one home device comprising a first UWB chip; and obtaining, using the UWB chip and an inertial measurement units (IMU) chip, first spatial attitude information i of the electronic device when the electronic device is positioned towards the first home device in the first orientation i.

8 . The method according to claim 7 , wherein the second spatial position information i comprises second coordinates (x i , y i , z i ) of the electronic device in a UWB coordinate system of the m UWB base stations, wherein the first spatial attitude information i comprises a pitch angle φ i , a yaw angle φ i , and a roll angle θ i of a carrier coordinate system of the electronic device relative to the UWB coordinate system, and wherein the first spatial position information comprises first coordinates (x, y, z) of the first home device in the UWB coordinate system.

9 . The method according to claim 8 , further comprising:
obtaining a preset rotation matrix when the electronic device transforms from a spatial attitude corresponding to the pitch angle φ i , the yaw angle φ i , and the roll angle θ i to a preset initial attitude, wherein the preset rotation matrix is a rotation matrix and converts a first coordinate parameter in the carrier coordinate system into a second coordinate parameter in the UWB coordinate system, and wherein the preset initial attitude is an attitude of the electronic device when first three axes of the carrier coordinate system are respectively parallel to second three axes of the UWB coordinate system; and further calculating the first spatial position information comprising the first coordinates (x, y, z) using the preset rotation matrix based on the second coordinates (x i , y i , z i ), the pitch angle φ i , the yaw angle φ i , and the roll angle θ i .

10 . An electronic device, wherein the electronic device comprises:
an ultra-wideband (UWB) chip; a memory configured to store instructions; and one or more processors coupled to the memory and the UWB chip and configured to execute the instructions to cause the electronic device to:
receive a first operation of a user to trigger the electronic device to initiate marking a position of a first home device in a plurality of home devices;
obtain, in response to the first operation and using the UWB chip, n measurements of spatial position-attitude information of the electronic device when the electronic device is positioned towards the first home device in a respective orientation from n orientations, wherein the spatial position-attitude information comprises spatial position information and spatial attitude information, and wherein n≥2 and n is an integer; and
calculate first spatial position information of the first home device based on the n measurements of the spatial position-attitude information in order to mark the position of the first home device.

11 . The electronic device according to claim 10 , wherein the one or more processors are further configured to execute the instructions to cause the electronic device to:
further receive the first operation of the user on a first interface, wherein the first interface is a device management interface of a smart home application of the electronic device and comprises icons of the home devices that are bound to the smart home application, and the first operation is a preset operation on the first home device; or wherein the first interface is a control interface of the first home device bound to a smart home application of the electronic device and comprises a preset function item, to trigger the electronic device to initiate marking the position of the first home device, and the first operation is a tap operation on the preset function item.

Assignees

• Huawei Tech Co Ltd

Inventors

• Dong Wei
• Xu Haowei
• Xue Qingfeng
• Wang Erli

Classifications

• H04L2012/2841

  Wireless · CPC title

• H04L12/282

  based on user interaction within the home (receiver circuitry for displaying additional information being controlled by a remote control apparatus H04N21/42204) · CPC title

• G08C2201/32

  Remote control based on movements, attitude of remote control device · CPC title

• G06F3/0484

  for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range · CPC title

• G06F3/167

  Audio in a user interface, e.g. using voice commands for navigating, audio feedback · CPC title