Radial antenna and methods for use therewith

• US 10,020,587 B2
• Filed: 07/31/2015
• Issued: 07/10/2018
• Est. Priority Date: 07/31/2015
• Status: Active Grant

• Current Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Original Assignee: AT&T Intellectual Property I LP (AT&T, Inc.)
• Inventors: Henry, Paul Shala, Gerszberg, Irwin, Bennett, Robert, Barzegar, Farhad, Barnickel, Donald J, Willis, III, Thomas M.
• Primary Examiner(s): Levi, Dameon E
• Assistant Examiner(s): Alkassim, Jr., AB Salam
• Application Number:
  US14/815,023
• Publication Number:
  US 20170033464A1
• Time in Patent Office: 1,075 Days
• CPC Class Codes: H01P 1/16 for mode selection, e.g. mode suppression or mode promotion; for mode conversion
• CPC Class Codes: H01P 3/10 Wire waveguides, i.e. with a single solid longitudinal conductor
• CPC Class Codes: H01P 3/16 Dielectric waveguides, i.e. without a longitudinal conductor
• CPC Class Codes: H01P 5/087 Transitions to a dielectric waveguide
• CPC Class Codes: H01Q 1/46 Electric supply lines or communication lines
• CPC Class Codes: H01Q 13/02 Waveguide horns
• CPC Class Codes: H01Q 21/20 the units being spaced along or adjacent to a curvilinear path slotted waveguide arrays H01Q21/005; circularly or helically slotted waveguides H01Q21/0062
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 25/00 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 Class Codes: H04B 3/52 Systems for transmission between fixed stations via waveguides
• CPC Class Codes: H04B 3/56 Circuits for coupling, blocking, or by-passing of signals

Abstract

Aspects of the subject disclosure may include, for example, antenna that includes a first plurality of antenna elements radially arranged in a first plane to wirelessly transmit first channel signals received from a guided wave communication system to a plurality of client devices via a first plurality of beams at a corresponding first plurality of angles. A second plurality of antenna elements are radially arranged in a second plane that is displaced a first distance from the first plane to wirelessly transmit second channel signals received from the guided wave communication system to the plurality of client devices via a second plurality of beams at a corresponding second plurality of angles that are angularly displaced from the first plurality of angles. Other embodiments are disclosed.

Claims

1. A communication device comprising:

a coupler configured to receive first channel signals based on guided electromagnetic waves bound to a physical structure of a transmission medium of a guided wave communication system;

processing circuitry configured to select and amplify one or more of the first channel signals to generate one or more amplified first channel signals; and

an antenna configured to wirelessly transmit the one or more amplified first channel signals to at least one device, the antenna comprising;

a first plurality of antenna elements radially arranged at a corresponding first plurality of angles in a first plane;

a second plurality of antenna elements, radially arranged at a corresponding second plurality of angles in a second plane that is angularly displaced from the first plurality of angles, wherein the second plane is vertically displaced a first distance from the first plane;

a third plurality of antenna elements, radially arranged in a third plane at a corresponding third plurality of angles that is angularly displaced from the first plurality of angles and the second plurality of angles to radially overlap first beam patterns from the first plurality of antenna elements oriented at the corresponding first plurality of angles with second beam patterns from the second plurality of antenna elements oriented at the corresponding second plurality of angles and third beam patterns from the third plurality of antenna elements oriented at the corresponding third plurality of angles so that a major lobe of each of the first beam patterns is oriented at one of the corresponding first plurality of angles and falls within a major lobe of an adjacent one of the second beam patterns oriented at one of the corresponding second plurality of angles and falls within a major lobe of an adjacent one of the third beam patterns oriented at one of the corresponding third plurality of angles, wherein the third plane is displaced a second distance from the first plane;

wherein the first plurality of antenna elements includes n first antenna elements, the second plurality of antenna elements includes n second antenna elements, the third plurality of antenna elements includes n third antenna elements;

wherein the second plurality of angles is angularly displaced from the first plurality of angles by an angle Δ

θ

₁, that equals 2π

/3n; and

wherein the second plurality of angles is angularly displaced from the third plurality of angles by an angle Δ

θ

₂, that equals Δ

θ

₁.

2. The communication device of claim 1, wherein the guided electromagnetic waves are guided by an outer surface of the physical structure and propagate longitudinally along the transmission medium of the guided wave communication system.

3. The communication device of claim 1, wherein the first plane is substantially parallel to the second plane, wherein the first plurality of antenna elements is radially arranged about a central axis and wherein the second plurality of antenna elements is radially arranged about the central axis.

4. The communication device of claim 3, wherein the second plane is displaced the first distance from the first plane along the central axis.

5. The communication device of claim 1, wherein the first plurality of antenna elements includes n horn antennas and the second plurality of antenna elements includes n horn antennas.

6. The communication device of claim 1, wherein the first plurality of antenna elements wirelessly receives second channel signals from the at least one device, the second plurality of antenna elements wirelessly receives third channel signals from the at least one device, and the third plurality of antenna elements wirelessly receives fourth channel signals from the at least one device.

18. The communication device of claim 3, wherein the third plurality of antenna elements is radially arranged about the central axis.

19. The communication device of claim 18, wherein the second plane is vertically displaced the first distance from the first plane along the central axis and wherein the third plane is vertically displaced the second distance from the second plane along the central axis.

20. The communication device of claim 1, wherein the third plane is substantially parallel to the second plane and wherein the third plane is substantially parallel to the first plane.

7. A method comprising:

receiving, via a waveguide system of a guided wave communication system, first channel signals based on first guided electromagnetic waves bound to a physical structure of a transmission medium of the guided wave communication system;

amplifying the first channel signals to generate amplified first channel signals; and

wirelessly transmitting one or more of the amplified first channel signals to at least one device via a first plurality of antenna elements radially arranged in a first plane at a corresponding first plurality of angles, via a second plurality of antenna elements, radially arranged at a corresponding second plurality of angles that is angularly displaced from the first plurality of angles in a second plane that is vertically displaced a first distance from the first plane and via a third plurality of antenna elements, radially arranged in a third plane at a corresponding third plurality of angles that is angularly displaced from the first plurality of angles and the second plurality of angles to radially overlap first beam patterns from the first plurality of antenna elements oriented at the corresponding first plurality of angles with second beam patterns from the second plurality of antenna elements oriented at the corresponding second plurality of angles and third beam patterns from the third plurality of antenna elements oriented at the corresponding third plurality of angles so that a major lobe of each of the first beam patterns is oriented at one of the corresponding first plurality of angles and falls within a major lobe of an adjacent one of the second beam patterns oriented at one of the corresponding second plurality of angles and falls within a major lobe of an adjacent one of the third beam patterns oriented at one of the corresponding third plurality of angles, wherein the third plane is displaced a second distance from the first plane;

wherein the first plurality of antenna elements includes n first antenna elements, the second plurality of antenna elements includes n second antenna elements, the third plurality of antenna elements includes n third antenna elements;

wherein the second plurality of angles is angularly displaced from the first plurality of angles by an angle Δ

θ

₁, that equals 2π

/3n; and

wherein the second plurality of angles is angularly displaced from the third plurality of angles by an angle Δ

θ

₂, that equals Δ

θ

₁.

8. The method of claim 7 wherein the transmission medium includes a wire and the first guided electromagnetic waves are guided by an outer surface of the wire.

9. The method of claim 7, further comprising:

wirelessly receiving second channel signals from the at least one device via the first plurality of antenna elements via the second plurality of antenna elements and via the third plurality of antenna elements;

amplifying the second channel signals to generate amplified second channel signals; and

guiding the amplified second channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves.

10. An antenna comprising:

a first plurality of antenna elements radially arranged in a first plane to wirelessly transmit first channel signals to a plurality of client devices of a guided wave communication system via a first plurality of beams having first beam patterns at a corresponding first plurality of angles, wherein the first channel signals are received from a physical transmission medium of the guided wave communication system;

a second plurality of antenna elements, radially arranged in a second plane that is vertically displaced a first distance from the first plane, wherein the second plurality of antenna elements wirelessly transmits second channel signals to the plurality of client devices via a second plurality of beams having second beam patterns at a corresponding second plurality of angles that is angularly displaced from the first plurality of angles, wherein the second channel signals are received from the physical transmission medium of the guided wave communication system; and

a third plurality of antenna elements, radially arranged in a third plane that is vertically displaced a second distance from the first plane, wherein the third plurality of antenna elements wirelessly transmits third channel signals to the plurality of client devices via a third plurality of beams having third beam patterns at a corresponding third plurality of angles that is angularly displaced from the second plurality of angles and the first plurality of angles to radially overlap the first beam patterns with the second beam patterns and the third beam patterns so that a major lobe of each of the first beam patterns falls within a major lobe of an adjacent one of the second beam patterns and falls within a major lobe of an adjacent one of the third beam patterns;

wherein the third channel signals are received from the physical transmission medium of the guided wave communication system;

wherein the first plurality of antenna elements includes n first antenna elements, the second plurality of antenna elements includes n second antenna elements, the third plurality of antenna elements includes n third antenna elements;

wherein the second plurality of angles is angularly displaced from the first plurality of angles by an angle Δ

θ

₁, that equals 2π

/3n; and

wherein the second plurality of angles is angularly displaced from the third plurality of angles by an angle Δ

θ

₂, that equals Δ

θ

₁.

11. The antenna of claim 10, wherein the first plane is substantially parallel to the second plane.

12. The antenna of claim 10, wherein the first plurality of antenna elements is radially arranged about a central axis and wherein the second plurality of antenna elements is radially arranged about the central axis.

13. The antenna of claim 12, wherein the second plane is vertically displaced the first distance from the first plane along the central axis.

14. The antenna of claim 10, wherein the first plurality of antenna elements is radially arranged about a central axis, wherein the second plurality of antenna elements is radially arranged about the central axis and wherein the third plurality of antenna elements is radially arranged about the central axis.

15. The antenna of claim 14, wherein the second plane is vertically displaced the first distance from the first plane along the central axis and wherein the third plane is vertically displaced the second distance from the second plane along the central axis.

16. The antenna of claim 10, wherein the third plane is substantially parallel to the second plane.

17. The antenna of claim 10, wherein the third plane is substantially parallel to the first plane.