Method for positioning using wireless communication and electronic device for supporting same

Patent metadata

Field	Value
Publication number	US-12578413-B2
Application number	US-202318105462-A
Country	US
Kind code	B2
Filing date	Feb 3, 2023
Priority date	Aug 3, 2020
Publication date	Mar 17, 2026
Grant date	Mar 17, 2026

Abstract

An electronic device may include: a communication module that supports ultra-wideband communication; a memory that stores correction values respectively corresponding to a plurality of data ranges divided according to a specified condition, in relation to data for positioning of an external electronic device; a processor operatively connected to the communication module and the memory; and a location determination module operatively connected to the processor. The location determination module may be configured to: acquire a phase difference of arrival of a signal calculated on the basis of the signal received from the external electronic device via the communication module; determine a data range corresponding to the acquired phase difference of arrival of the signal from among the plurality of data ranges; and calculate the angle of arrival of the signal by using a correction value corresponding to the determined data range from among the correction values. Various other embodiments are possible.

First claim

The invention claimed is:

1 . An electronic device comprising:
a communication module, comprising communication circuitry, that supports ultra-wideband communication; memory storing instructions and correction values respectively corresponding to a plurality of data ranges, in relation to data for positioning of an external electronic device, wherein the data ranges are divided based on a change rate of a phase difference of arrival (PDoA) with respect to an angle between antennas and an external electronic device; at least one processor; and a location determination module, comprising processing circuitry, operatively connected to the at least one processor, wherein at least part of the location determination module may optionally be part of the at least one processor; wherein the instructions, when executed individually or collectively by the at least one processor, cause the electronic device to:
acquire a phase difference of arrival of a signal calculated based on the signal received from the external electronic device via the communication module;
determine a data range corresponding to the acquired phase difference of arrival of the signal from among the plurality of data ranges; and
calculate an angle of arrival of the signal at least by using a correction value corresponding to the determined data range from among the correction values.

2 . The electronic device of claim 1 , wherein the correction value comprises at least one of a first correction value applied to a first value indicating a distance between antennas receiving the signal, and a second correction value applied to a second value indicating a phase difference of arrival of the signal received at each of the antennas, from among values used to calculate the angle of arrival of the signal.

3 . The electronic device of claim 1 , wherein the data comprises the phase difference of arrival of the signal received from the external electronic device via the communication module, and
the plurality of data ranges are to be divided based on a magnitude of the phase difference of arrival of the signal.

4 . The electronic device of claim 1 , wherein the data comprises the angle of arrival of the signal based on the signal received from the external electronic device via the communication module, and
the plurality of data ranges are to be divided based on a magnitude of the angle of arrival of the signal.

5 . The electronic device of claim 1 , wherein the plurality of data ranges are divided based on a specified condition in which a change rate of the data dependent on an angle between antennas receiving the signal and the external electronic device is changed by a specified amount or more.

6 . The electronic device of claim 1 , wherein the location determination module is configured to apply, to the angle of arrival of the signal, a matching value for matching when an angle between antennas receiving the signal and the external electronic device is a reference angle.

7 . The electronic device of claim 6 , wherein the location determination module is configured so that at least one of the correction values is to be summed and stored with the matching value.

8 . The electronic device of claim 6 , wherein at least one of the correction values and the matching value is stored in a secure world of the electronic device.

9 . The electronic device of claim 1 , wherein at least one of the correction values is set based on at least one of: a combination of antennas receiving the signal, a frequency channel receiving the signal, and orientation of the electronic device.

10 . The electronic device of claim 1 , wherein the at least one processor includes at least part of the location determination module.

11 . A method for positioning using wireless communication of an electronic device, the method comprising:
acquiring a phase difference of arrival of a signal calculated based on the signal received from an external electronic device; determining a data range corresponding to the acquired phase difference of arrival of the signal from among a plurality of data ranges, in relation to data for positioning of the external electronic device, wherein the data ranges are divided based on a change rate of the phase difference of arrival (PDoA) with respect to an angle between antennas and an external electronic device; and calculating an angle of arrival of the signal, at least by using a correction value corresponding to the determined data range from among correction values stored in a memory of the electronic device and respectively corresponding to the plurality of data ranges.

12 . The method for positioning using wireless communication of claim 11 , wherein the correction value comprises at least one of a first correction value applied to a first value indicating a distance between antennas receiving the signal, and a second correction value applied to a second value indicating a phase difference of arrival of the signal received at each of the antennas, from among values used to calculate the angle of arrival of the signal.

13 . The method for positioning using wireless communication of claim 11 , wherein the plurality of data ranges are divided based on a specified condition in which a change rate of the data dependent on an angle between antennas receiving the signal and the external electronic device is changed by a specified amount or more.

14 . The method for positioning using wireless communication of claim 11 , further comprising applying, to the angle of arrival of the signal, a matching value for matching when an angle between antennas receiving the signal and the external electronic device is a reference angle.

15 . The method for positioning using wireless communication of claim 14 , wherein at least one of the correction values is summed and stored with the matching value.

16 . The method for positioning using wireless communication of claim 11 , wherein at least one of the correction values is set based on at least one of: a combination of antennas receiving the signal, a frequency channel receiving the signal, and orientation of the electronic device.

17 . The method for positioning using wireless communication of claim 11 , wherein the data comprises the phase difference of arrival of the signal received from the external electronic device, and
the plurality of data ranges are to be divided based on a magnitude of the phase difference of arrival of the signal.

18 . The method for positioning using wireless communication of claim 11 , wherein the data comprises the angle of arrival of the signal based on the signal received from the external electronic device, and
the plurality of data ranges are to be divided based on a magnitude of the angle of arrival of the signal.

19 . The method for positioning using wireless communication of claim 14 , wherein at least one of the correction values and the matching value is stored in a secure world of the electronic device.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Yang Yi
• Kang Moonseok
• Kim Chiho
• Kim Hyunchul
• Lim Sungjun
• Jang Jonghoon
• Cho Moongee
• Choi Kunyoung
• Lee Woosup
• Hong Sukgi
• Yoo Youngsuk

Classifications

• G01S5/10

  Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements {, e.g. omega or decca systems}(G01S5/12 takes precedence {; beacons and receivers cooperating therewith G01S1/306, G01S1/308}) · CPC title

• G01S5/0009

  Transmission of position information to remote stations (involving assistance data G01S5/0236) · CPC title

• G01S5/0205

  Details · CPC title

• G01S5/021

  Calibration, monitoring or correction (G01S5/0252 takes precedence) · CPC title

• G01S3/48 Primary

  the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured · CPC title