Compact Dual Polarization Antenna

• US 20140152529A1
• Filed: 12/05/2012
• Published: 06/05/2014
• Est. Priority Date: 12/05/2012
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Jenwatanavet, Jatupum
• Granted Patent: US 9,099,781 B2
• Time in Patent Office: Days
• US Class Current: 343/906
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 1/50 Structural association of antennas with earthing switches, lead-in devices or lightning protectors
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H01Q 9/0421 with a shorting wall or a shorting pin at one end of the element H01Q9/0414 takes precedence
• CPC Class Codes: H01Q 9/0428 radiating a circular polarised wave

Abstract

A dual polarization antenna includes a transducer element having two orthogonal sides and configured to conduct current at least two orthogonal directions.

Claims

1. A communication device having a dual polarization antenna, comprising a transducer element having two orthogonal sides and configured to conduct current in at least two orthogonal directions.

2. The communication device of claim 1, further comprising a feed connection and a ground connection to the transducer element, the feed connection and the ground connection oriented approximately 45 degrees with respect to the orthogonal sides of the transducer element.

3. The communication device of claim 2, wherein the transducer element comprises a quarter circle shape.

4. The communication device of claim 2, wherein the transducer element comprises a loop right triangle shape.

5. The communication device of claim 2, wherein the transducer element comprises an L shape.

6. The communication device of claim 2, wherein a feed current is received and decomposed into two orthogonal currents according to sin and cosine functions of the feed current.

7. The communication device of claim 2, wherein the feed connection provides a feed current to the transducer element and the transducer element comprises a radiating antenna configured to radiate electromagnetic energy.

8. The communication device of claim 2, wherein the transducer element comprises a receive antenna configured to receive electromagnetic energy and generate a current at the feed connection.

9. A dual polarization antenna, comprising a transducer element having two orthogonal sides and configured to conduct current at least two orthogonal directions.

10. The dual polarization antenna of claim 9, further comprising a feed connection and a ground connection to the transducer element, the feed connection and the ground connection oriented approximately 45 degrees with respect to the orthogonal sides of the transducer element.

11. The dual polarization antenna of claim 10, wherein the transducer element comprises a quarter circle shape.

12. The dual polarization antenna of claim 10 wherein the transducer element comprises a loop right triangle shape.

13. The dual polarization antenna of claim 10, wherein the transducer element comprises an L shape.

14. The dual polarization antenna of claim 10, wherein a feed current is received and decomposed into two orthogonal currents according to sin and cosine functions of the feed current.

15. The dual polarization antenna of claim 10, wherein the feed connection provides a feed current to the transducer element and the transducer element comprises a radiating antenna configured to radiate electromagnetic energy.

16. The dual polarization antenna of claim 10, wherein the transducer element comprises a receive antenna configured to receive electromagnetic energy and generate a current at the feed connection.

17. A dual polarization antenna, comprising:

a ground plane;

a transducer element located over the ground plane, the transducer element having two orthogonal sides and configured to conduct current at least two orthogonal directions;

a feed connection electrically connected to the transducer element; and

a ground connection electrically connected to the transducer element, the feed connection and the ground connection oriented approximately 45 degrees with respect to the orthogonal sides of the transducer element.

18. The dual polarization antenna of claim 17, wherein the transducer element comprises a shape chosen from a quarter circle shape, a loop right triangle shape and an L shape.

19. The dual polarization antenna of claim 17, wherein a feed current is received and decomposed into two orthogonal currents according to sin and cosine functions of the feed current.

20. The dual polarization antenna of claim 17, wherein the transducer element comprises a receive antenna configured to receive electromagnetic energy and generate a current at the feed connection.