AESA radial geometry phased array antenna

Patent metadata

Field	Value
Publication number	US-11050166-B2
Application number	US-201916268567-A
Country	US
Kind code	B2
Filing date	Feb 6, 2019
Priority date	Feb 9, 2018
Publication date	Jun 29, 2021
Grant date	Jun 29, 2021

Abstract

A phased array antenna is provided. The phased array antenna includes a tube shaped substrate. The phased array antenna further includes a plurality of antenna elements disposed on the substrate.

First claim

What is claimed is:

1. A phased array antenna defining a circumferential direction and a radial direction, the phased array antenna comprising:
a tube-shaped substrate having an inner surface and an outer surface, the tube-shaped substrate defining a cavity; and
a plurality of antenna elements, each of the plurality of antenna elements disposed on the inner surface of the tube-shaped substrate such that the plurality of antenna elements are positioned within the cavity defined by the tube-shaped substrate.

2. The phased array antenna of claim 1 , wherein each of the plurality antenna elements has a different shape.

3. The phased array antenna of claim 1 , wherein:
radio frequency (RF) signals emitted via the plurality of antenna elements propagate through the tube-shaped substrate; and
RF signals received via the plurality of antenna elements propagate through the tube-shaped substrate.

4. The phased array antenna of claim 1 , wherein one or more of the plurality of antenna elements comprise a patch antenna.

5. The phased array antenna of claim 1 , wherein the plurality of antenna elements are equally spaced from one another along the circumferential direction.

6. The phased array antenna of claim 1 , wherein the plurality of antenna elements are the same size as one another.

7. The phased array antenna of claim 1 , wherein each antenna element of the plurality of antenna elements defines one or more slots.

8. The phased array antenna of claim 7 , wherein the one or more slots defined by a first antenna element of the plurality of antenna elements are different than the one or more slots defined by a second antenna element of the plurality of antenna elements.

9. The phased array antenna of claim 8 , wherein a size of the one or more slots defined by the first antenna element is different than a size of the one or more slots defined by the second antenna element.

10. The phased array antenna of claim 8 , wherein a shape of the one or more slots defined by the first antenna element is different than a shape of the one or more slots defined by, the second antenna element.

11. The phased array antenna of claim 8 , wherein a radiation pattern associated with the first antenna element is different than a radiation pattern associated with the second antenna element.

12. The phased array antenna of claim 1 , wherein:
a frequency of a radio frequency (RF) signal emitted via the plurality of antenna elements is between 100 megahertz (MHz) and 100 gigahertz (GHz); and
a frequency of a RE signal received via the plurality of antenna elements is between 100 MHz and 100 gigahertz GHz.

13. A phased array antenna defining a radial direction and a circumferential direction, the phased array antenna comprising:
a tube-shaped substrate, the tube-shaped substrate defining a cavity; and
a plurality of antenna elements, each of the plurality of antenna elements disposed on an inner surface of the tube-shaped substrate such that the plurality of antenna elements are positioned within the cavity defined by the tube-shaped substrate.

14. The phased array antenna of claim 13 , wherein each antenna element of the plurality of antenna elements defines one or more slots.

15. The phased array antenna of claim 14 , wherein the one or more slots defined by a first antenna element of the plurality of antenna elements are different than the one or more slots defined by a second antenna element of the plurality of antenna elements.

16. The phased array antenna of claim 13 , wherein:
radio frequency (RF) signals emitted via the plurality of antenna elements propagate through the tube-shaped substrate; and
RF signals received via the plurality of antenna elements propagate through the tube-shaped substrate.

Assignees

• Avx Corp

Inventors

• Smith David M

Classifications

• H01Q21/064

  using horn or slot aerials (slotted waveguides arrays H01Q21/005) · 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

• H01Q3/34 Primary

  by electrical means (active lenses or reflecting arrays H01Q3/46) · 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

• H01Q9/0407

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · CPC title