Dual polarized omni-directional antenna and base station including same

Patent metadata

Field	Value
Publication number	US-11114772-B2
Application number	US-201916550471-A
Country	US
Kind code	B2
Filing date	Aug 26, 2019
Priority date	Feb 28, 2017
Publication date	Sep 7, 2021
Grant date	Sep 7, 2021

Abstract

The present disclosure includes, in a dual polarized omni-directional antenna and a base station including the same, a plurality of radiating elements disposed to be spaced apart in one direction by the dual polarized omni-directional antenna, and a feed line for providing a feed signal to the plurality of radiating elements, and the plurality of radiating elements include a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively, the first radiator is prepared on a first surface, and the second radiator is prepared on a second surface, and a main lobe direction of the first radiator and a main lobe direction of the second radiator are different directions from each other.

First claim

The invention claimed is:

1. A dual polarized omni-directional antenna, comprising:
a plurality of radiating elements disposed to be spaced apart in one direction; and
a feed line for providing a feed signal to the plurality of radiating elements,
wherein the plurality of radiating elements comprise a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively,
wherein the first radiator is prepared on a first surface, and the second radiator is prepared on a second surface, and
wherein a main lobe direction of the first radiator and a main lobe direction of the second radiator are different directions from each other,
wherein the dual polarized omni-directional antenna further comprises a feed plate on which a feed pattern has been formed so as to feed the first radiator and the second radiator, respectively, and
wherein the feed plate comprises:
a support layer having the feed pattern formed on an upper surface thereof; and
a ground layer formed on a lower surface of the support layer, and on which a ground pattern has been formed,
wherein an inner conductor of the feed lime penetrates the feed plate td be electrically connected with the feed pattern, and
wherein an outer conductor of the feed line is electrically connected with the ground pattern.

2. The dual polarized omni-directional antenna of claim 1 ,
wherein the first radiator and the second radiator are a dipole type, and
wherein the first surface and the second surface are planes facing each other.

3. The dual polarized omni-directional antenna of claim 2 ,
wherein the first radiator and the second radiator intersect each other in an X shape.

4. The dual polarized omni-directional antenna of claim 1 ,
wherein each of the first radiator and the second radiator have a predetermined angle with the one direction, are prepared in the form of extending along each of the first surface and the second surface, and have a curvature changed in the extending direction.

5. The dual polarized omni-directional antenna of claim 4 ,
wherein the first surface and the second surface are connected to each other, and the first radiator and the second radiator are positioned to face each other.

6. The dual polarized omni-directional antenna of claim 1 ,
wherein the plurality of radiating elements are implemented by a circuit pattern using a Flexible-PCB (F-PCB), respectively.

7. The dual polarized omni-directional antenna of claim 6 ,
wherein both side surfaces of the feed plate are attached and fixed to the Flexible-PCB molded in a cylinder shape.

8. The dual polarized omni-directional antenna of claim 1 , further comprising
a first half radiating element having the first radiator for generating the one polarization of the dual polarization; and
a second half radiating element having the second radiator for generating the other polarization of the dual polarization.

9. The dual polarized omni-directional antenna of claim 8 ,
wherein the first half radiating element and the second half radiating element are positioned at both end portion sides of the one direction of the plurality of radiating elements, respectively, and
wherein each of the plurality of radiating elements and the first half radiating element are spaced apart at the same angle while being spaced apart in the one direction.

10. A base station comprising the dual polarized omni-directional antenna of claim 1 .

11. A dual polarized omni-directional antenna, comprising a plurality of radiating elements disposed to be spaced apart in one direction,
wherein the plurality of radiating elements comprise a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively, and
wherein each of the first radiator and the second radiator has a predetermined angle with the one direction and is prepared in the form of extending along each of a first curved surface and a second curved surface,
wherein the dual polarized omni-directional antenna further comprises a feed plate on which a feed pattern has been formed so as to feed the first radiator and the second radiator, respectively, and
wherein the feed plate comprises:
a support layer having the feed pattern formed on an upper surface thereof, and
a ground layer formed on a lower surface of the support layer, and on which a ground pattern has been formed,
wherein an inner conductor of the feed line penetrates the feed plate to be electrically connected with the feed pattern, and
wherein an outer conductor of the feed line is electrically connected with the ground pattern.

Assignees

• Kmw Inc

Inventors

• Kim Duk Yong
• Moon Young Chan
• Kim In Ho
• Choi Oh Seog

Classifications

• Y02D30/70

  in wireless communication networks · CPC title

• H01Q21/205

  providing an omnidirectional coverage (turnstile aerials H01Q21/26) · CPC title

• H01Q1/38

  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 title

• H01Q25/00

  Antennas or antenna systems providing at least two radiating patterns (arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00) · CPC title

• H01Q25/005 Primary

  providing two patterns of opposite direction; back to back antennas (H01Q25/004 takes precedence) · CPC title