Antenna structure and electronic device

Patent metadata

Field	Value
Publication number	US-11973278-B2
Application number	US-202017765113-A
Country	US
Kind code	B2
Filing date	Jul 27, 2020
Priority date	Sep 30, 2019
Publication date	Apr 30, 2024
Grant date	Apr 30, 2024

Abstract

An electronic device comprising an antenna structure including a signal reference ground, a first antenna, and a second antenna. The first antenna includes a first radiator and a first feeding line, where the first radiator has a first feeding point, is fed from the first feeding point through the first feeding line, and is electrically coupled to the signal reference ground. The second antenna includes a second radiator and a second feeding line, where the second radiator has a second feeding point and is fed from the second feeding point through the second feeding line, and the second feeding line includes a signal transmission line and a signal reference ground line that is electrically coupled to the first radiator.

First claim

What is claimed is:

1. An electronic device comprising:
an antenna structure comprising:
a signal reference ground;
a first antenna comprising:
a first feeding line comprising:
a first end; and
a second end coupled to a first feed for the antenna structure; and

a first radiator electrically coupled to the signal reference ground and comprising a first feeding point coupled to the first end, wherein the first radiator is fed from the first feeding point through the first feeding line; and

a second antenna comprising:
a second feeding line comprising:
a third end;
a fourth end coupled to a second feed for the antenna structure;
a signal transmission line; and
a signal reference ground line of the second antenna electrically coupled to the first radiator of the first antenna; and

a second radiator comprising a second feeding point coupled to the third end, wherein the second radiator is fed from the second feeding point through the second feeding line, wherein the second radiator of the second antenna is electrically coupled to the first radiator of the first antenna through the signal reference ground line of the second antenna, and wherein the first radiator is a reference ground to the second radiator through the signal reference ground line.

2. The electronic device of claim 1 , wherein the second radiator is located on a first side of the first radiator that is away from the signal reference ground.

3. The electronic device of claim 2 , wherein the second feed is located on a second side of the first radiator that is in proximity to the signal reference ground, wherein the first radiator further comprises a first through hole, wherein the first through hole comprises an inner wall that is electrically coupled to the signal reference ground line, and wherein the second feeding line is configured to penetrate through the first through hole.

4. The electronic device of claim 3 , wherein the first radiator further comprises a grounding point, wherein the first through hole is located at the grounding point, wherein the first antenna further comprises a conductive connector, wherein the first radiator is electrically coupled to the signal reference ground through the conductive connector, and wherein the conductive connector comprises:
a fifth end coupled to the grounding point;
a sixth end coupled to the signal reference ground; and
a second through hole coupled to the first through hole,
wherein the second feeding line is configured to penetrate through the first through hole and the second through hole.

5. The electronic device of claim 2 , wherein the second antenna further comprises a shorting connector comprising:
a fifth end coupled to the second radiator; and
a sixth end coupled to the first radiator.

6. The electronic device of claim 2 , wherein the second radiator is of a metal sheet structure and configured to cover a partial area of a surface of the first radiator that is away from the signal reference ground.

7. The electronic device of claim 1 , wherein the second feeding line is one of the following:
a coaxial line and a microstrip.

8. An electronic device comprising:
a printed circuit board comprising a reference ground layer;
a metal bezel; and
an antenna structure comprising:
a signal reference ground that is the reference ground layer;
a first antenna comprising:
a first feeding line comprising:
a first end; and
a second end coupled to a first feed for the antenna structure; and

a first radiator that is a part of the metal bezel and electrically coupled to the signal reference ground, wherein the first radiator comprises a first feeding point coupled to the first end, wherein the first radiator is fed from the first feeding point through the first feeding line; and

a second antenna comprising:
a second feeding line comprising:
a third end;
a fourth end coupled to a second feed for the antenna structure;
a signal transmission line; and
a signal reference ground line electrically coupled to the first radiator; and

a second radiator located on an outer side of the first radiator, wherein an insulation material is filled in a gap between the first radiator and the second radiator, wherein the second radiator comprises a second feeding point coupled to the third end, and wherein the second radiator is fed from the second feeding point through the second feeding line.

9. The electronic device of claim 8 , wherein the second feed is located on a first side of the first radiator that is in proximity to the signal reference ground, wherein the first radiator further comprises a first through hole comprising an inner wall that is electrically coupled to the signal reference ground line, and wherein the second feeding line is configured to penetrate through the first through hole.

10. The electronic device of claim 9 , wherein the first radiator further comprises a grounding point, wherein the first through hole is located at the grounding point, wherein the first antenna further comprises a conductive connector, wherein the first radiator is electrically coupled to the reference ground layer through the conductive connector, and wherein the conductive connector comprises:
a fifth end coupled to the grounding point;
a sixth end coupled to the signal reference ground; and
a second through hole coupled to the first through hole,
wherein the second feeding line is configured to penetrate through the first through hole and the second through hole.

11. The electronic device of claim 8 , wherein the second antenna further comprises a shorting connector comprising:
a fifth end coupled to the second radiator; and
a sixth end coupled to the first radiator.

12. The electronic device of claim 8 , wherein the second radiator is of a metal sheet structure and configured to cover a partial area of an outer surface of the first radiator.

13. The electronic device of claim 12 , wherein a spacing between the second radiator and the first radiator is 0 millimeters (mm) to 0.2 mm.

14. The electronic device of claim 8 , wherein the second feeding line is one of the following:
a coaxial line and a microstrip.

15. An antenna structure comprising:
a signal reference ground;
a first antenna comprising:
a first feeding line comprising:
a first end; and
a second end coupled to a first feed for the antenna structure; and

a first radiator electrically coupled to the signal reference ground and comprising a first feeding point coupled to the first end, wherein the first radiator is fed from the first feeding point through the first feeding line; and

a second antenna comprising:
a second feeding line comprising:
a third end;
a fourth end coupled to a second feed for the antenna structure;
a signal transmission line; and
a signal reference ground line of the second antenna electrically coupled to the first radiator of the first antenna; and

a second radiator comprising a second feeding point coupled to the third end, wherein the second radiator is fed from the second feeding point through the second feeding line wherein the second radiator of the second antenna is electrically coupled to the first radiator of the first antenna through the signal reference ground line of the second antenna, and wherein the first radiator is a reference ground to the second radiator through the signal reference ground line.

16. The antenna structure of claim 15 , wherein the second radiator is located on a first side of the first radiator that is away from the signal reference ground.

17. The antenna structure of cla

Assignees

• Huawei Tech Co Ltd

Inventors

• Ma Ning
• Lai Ben
• Pan Xin

Classifications

• H01Q9/0414 Primary

  in a stacked or folded configuration · CPC title

• H01Q1/48

  Earthing means; Earth screens; Counterpoises · CPC title

• H01Q9/045

  with particular feeding means (for circular polarisation H01Q9/0428) · CPC title

• H01Q1/36 Primary

  Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) · CPC title

• H01Q21/28 Primary

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title