Electronic device including antenna structure for UWB-based positioning

Patent metadata

Field	Value
Publication number	US-12088014-B2
Application number	US-202217829813-A
Country	US
Kind code	B2
Filing date	Jun 1, 2022
Priority date	Jun 3, 2021
Publication date	Sep 10, 2024
Grant date	Sep 10, 2024

Abstract

Disclosed is an electronic device. The electronic device includes: an antenna structure including at least one antenna and at least one processor operatively connected with the antenna structure. The antenna structure includes: a first conductive patch including a first edge and a second edge parallel to the first edge, a first transmission line electrically connected to a first point of the first conductive patch, a second conductive patch spaced apart from the first conductive patch by a specified distance and including a third edge at least partially facing the second edge of the first conductive patch and a fourth edge parallel to the third edge, and a second transmission line electrically connected to a second point of the second conductive patch. The first point of the first conductive patch and the second point of the second conductive patch are located on the second edge of the first conductive patch and the third edge of the second conductive patch or on the first edge of the first conductive patch and the fourth edge of the second conductive patch.

First claim

What is claimed is:

1. An electronic device comprising:
an antenna structure comprising at least one antenna; and
at least one processor operatively connected with the antenna structure,
wherein the antenna structure includes:
a dielectric substance;
a first conductive patch disposed on the dielectric substance, the first conductive patch including a first edge and a second edge parallel to the first edge;
a first transmission line electrically connected to a first point of the first conductive patch;
a second conductive patch disposed on the dielectric substance and spaced apart from the first conductive patch by a specified distance, the second conductive patch including a third edge at least partially facing the second edge of the first conductive patch and a fourth edge parallel to the third edge;
a second transmission line electrically connected to a second point of the second conductive patch; and
a ground disposed under the dielectric substance,

wherein the at least one processor is configured to: control the electronic device to receive wireless signals of a specified band by supplying power to the first conductive patch and the second conductive patch through the first transmission line and the second transmission line and determine phase difference of arrival (PDOA) between wireless signals received by the first conductive patch and the second conductive patch, and
wherein
the specified distance is less than half of a wavelength of the wireless signals received by the first conductive patch and the second conductive patch, the first point of the first conductive patch is located
on the second edge of the first conductive patch, and the second point of the second conductive patch is located on the third edge of the second conductive patch; or
the specified distance exceeds half of the wavelength of the wireless signals received by the first conductive patch and the second conductive patch, the first point of the first conductive patch is located on the first edge of the first conductive patch, and the second point of the second conductive patch is located on the fourth edge of the second conductive patch.

2. The electronic device of claim 1 , wherein a distance between the first point and the second point is less than the specified distance the first point of the first conductive patch is located on the second edge, and the second point of the second conductive patch is located on the third edge, or
wherein the distance between the first point and the second point is greater than the specified distance, the first point of the first conductive patch is located on the first edge, and the second point of the second conductive patch is located on the fourth edge.

3. The electronic device of claim 1 , wherein the first point of the first conductive patch and the second point of the second conductive patch are located:
on the second edge of the first conductive patch and the third edge of the second conductive patch such that a distance between centers of phase patterns formed from the first conductive patch and the second conductive patch is greater than the specified distance; or
on the first edge of the first conductive patch and the fourth edge of the second conductive patch such that the distance between the centers of the phase patterns formed from the first conductive patch and the second conductive patch is less than the specified distance.

4. The electronic device of claim 1 , wherein the second edge of the first conductive patch entirely overlaps the third edge of the second conductive patch when viewed in a direction perpendicular to the second edge on substantially a same plane as the first conductive patch.

5. The electronic device of claim 1 , wherein the second edge of the first conductive patch and the third edge of the second conductive patch partially overlap each other when viewed in a direction perpendicular to the second edge on substantially a same plane as the first conductive patch.

6. The electronic device of claim 1 , wherein the first conductive patch includes a fifth edge extending from one end of the first edge to one end of the second edge and a sixth edge extending from an opposite end of the first edge to an opposite end of the second edge, and
wherein the first point of the first conductive patch is located:
at the one end of the first edge;
at the opposite end of the first edge;
between the one end and the opposite end of the first edge;
at the one end of the second edge;
at the opposite end of the second edge; or
between the one end and the opposite end of the second edge.

7. The electronic device of claim 6 , wherein the second conductive patch includes a seventh edge extending from one end of the third edge to one end of the fourth edge and an eighth edge extending from an opposite end of the third edge to an opposite end of the fourth edge,
wherein the first point of the first conductive patch is located on the second edge, and the second point of the second conductive patch is located:
at the one end of the third edge;
at the opposite end of the third edge; or
between the one end and the opposite end of the third edge, or
wherein the first point of the first conductive patch is located on the first edge, and the second point of the second conductive patch is located:
at the one end of the fourth edge;
at the opposite end of the fourth edge; or
between the one end and the opposite end of the fourth edge.

8. The electronic device of claim 1 , wherein the first conductive patch includes a fifth edge extending from one end of the first edge to one end of the second edge and a sixth edge extending from an opposite end of the first edge to an opposite end of the second edge,
wherein the second conductive patch includes a seventh edge extending from one end of the third edge to one end of the fourth edge and an eighth edge extending from an opposite end of the third edge to an opposite end of the fourth edge, and
wherein the second edge of the first conductive patch is substantially parallel to the third edge of the second conductive patch.

9. The electronic device of claim 8 , wherein the first edge of the first conductive patch is longer than the fifth edge, and
wherein the third edge of the second conductive patch is longer than the seventh edge.

10. The electronic device of claim 8 , wherein the first edge of the first conductive patch is shorter than the fifth edge, and
wherein the third edge of the second conductive patch is shorter than the seventh edge.

11. The electronic device of claim 1 , wherein the first conductive patch and/or the second conductive patch has a square shape or a rectangular shape.

12. The electronic device of claim 11 , wherein the first conductive patch includes at least one slit extending from an edge of the first conductive patch toward an inside of the first conductive patch, and
wherein the second conductive patch includes at least one slit extending from an edge of the second conductive patch toward an inside of the second conductive patch.

13. The electronic device of claim 1 , further comprising:
a third conductive patch disposed on the dielectric substance,
wherein the first conductive patch and the second conductive patch are at least partially aligned with each other on the dielectric substance in a first direction, and
wherein the first conductive patch and the third conductive patch are at least partially aligned with each other on the dielectric substance in a second direction different from the first direction.

14. An electronic device comprising:
a housing;
a printed circuit board disposed in t

Assignees

• Samsung Electronics Co Ltd

Inventors

• Yoo Youngsuk
• Lee Woosup
• Hong Sukgi
• Kim Dongyeon
• Park Jungsik

Classifications

• G01S3/48

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

• G01S3/043

  Receivers · CPC title

• H01Q3/2605

  Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q21/065 Primary

  Patch antenna array · CPC title