IP Library Granted Patent US 11,056,801
Granted Patent B2
US 11,056,801 · App. 16/276,294 · Granted Jul 6, 2021

Antenna aperture in phased array antenna systems

Inventors: Alireza Mahanfar (Redmond, WA); Javier Rodriguez De Luis (Redmond, WA); Nil Apaydin (Redmond, WA); Ersin Yetisir (Redmond, WA); Shaya Karimkashi Arani (Glendale, CA)
Assignee: Space Exploration Technologies Corp.
H01Q21/24H01Q1/36H01Q21/0018
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,056,801
App. No.
16/276,294
Granted
Jul 6, 2021
Kind
B2
Abstract

Embodiments of present disclosure are directed to apparatuses, systems, and methods relating to antenna apertures in phased array antenna systems directed to configuring antenna lattices in a space tapered configuration and mapping from the antenna lattices, interspersing of antenna elements in an antenna aperture, and rotation of antenna element in the antenna aperture for purity polarization.

Claims (42)

1. A phased array antenna system, comprising:

a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration, wherein the first configuration is a space tapered configuration, wherein the antenna lattice includes a first antenna element, a second antenna element and a third antenna element, wherein the first, second and third antenna elements are distributed between a center and a periphery of the first portion, with the first antenna element being closest to the center, the third antenna element being furthest from the center, and the second antenna element being positioned between the first and third antenna elements, wherein the first antenna element and the second antenna elements are separated by a first distance, and the second antenna element and the third antenna element are separated by a second distance different than the first distance, and wherein the second antenna element is the closest element along a line to both of the first antenna element and the third antenna element; and

a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, wherein each of the plurality of antenna elements are electrically coupled by mapping to one of the plurality of beamformer elements.

2. The phased array antenna system of claim 1 , wherein the first antenna element is one of a plurality of the antenna elements of a first arrangement of antenna elements, the second antenna element is one of a plurality of the antenna elements of a second arrangement of the antenna elements, and the third antenna element is one of a plurality of the antenna elements of a third arrangement of the antenna elements, wherein areas between the first and the second arrangements, and between the second and the third arrangements are free of the antenna elements.

3. The phased array antenna system of claim 2 , wherein the first, the second, and the third arrangements of the antenna elements are in substantially circular patterns.

4. The phased array antenna system of claim 2 , wherein the first, the second, and the third arrangements of the antenna elements are in substantially rectangular patterns.

5. The phased array antenna system of claim 2 , wherein the first, the second, and the third arrangements of the antenna elements are in sunflower patterns.

6. The phased array antenna system of claim 2 , wherein the first, the second, and the third arrangements of the antenna elements are in concentric or non-concentric patterns.

7. The phased array antenna system of claim 1 , wherein the first, the second, and the third antenna elements are arranged along the same line from the center to the periphery of the first portion.

8. The phased array antenna system of claim 1 , wherein the first, the second and the third antenna elements are configured to transmit signals at the same frequency.

9. The phased array antenna system of claim 1 , wherein at least two of the first, the second and the third antenna elements are configured to transmit signals at different frequency.

10. The phased array antenna system of claim 1 , wherein the first, the second and the third antenna elements are configured to emit signals at the same polarization.

11. The phased array antenna system of claim 1 , wherein the first, the second and the third antenna elements are configured to emit signals at different polarization.

12. The phased array antenna system of claim 1 , wherein the second configuration is an organized or evenly spaced configuration.

13. The phased array antenna system of claim 1 , wherein at least one of the plurality of beamformer elements in the beamformer lattice is laterally displaced from at least one of the plurality of antenna elements in the antenna lattice.

14. The phased array antenna system of claim 1 , wherein the first and second portions define at least a portion of a carrier.

15. The phased array antenna system of claim 14 , wherein the carrier has a first side facing in a first direction and a second side facing in a second direction away from the first direction.

16. The phased array antenna system of claim 15 , wherein the antenna lattice is on the first side of the carrier.

17. The phased array antenna system of claim 15 , wherein the beamformer lattice is on the second side of the carrier.

18. The phased array antenna system of claim 1 , wherein the antenna elements and the beamformer elements are in a 1:1 ratio.

19. The phased array antenna system of claim 1 , wherein the antenna elements and the beam former elements are in a greater than 1:1 ratio.

20. The phased array antenna system of claim 1 , wherein the first and second portions are first and second layers.

21. The phased array antenna system of claim 20 , further comprising a third layer disposed between the first portion and the second portion carrying at least a portion of a mapping between the plurality of antenna elements and the plurality of beamformer elements.

22. The phased array antenna system of claim 21 , wherein the first, second, and third layers are discrete printed circuit board (PCB) layers in a PCB stack.

23. The phased array antenna system of claim 1 , wherein at least some antenna elements of the plurality of antenna elements are physically rotated relative to other antenna elements of the plurality of antenna elements.

24. A phased array antenna system, comprising:

a carrier;

an antenna lattice including a plurality of antenna elements supported by the carrier, the antenna lattice having a space tapered configuration, wherein the antenna lattice includes a first antenna element, a second antenna element and a third antenna element, wherein the first, second and third antenna elements are distributed between a center and a periphery of the first portion, with the first antenna element being closest to the center, the third antenna element being furthest from the center, and the second antenna element being positioned between the first and third antenna elements, wherein the first antenna element and the second antenna elements are separated by a first distance, and the second antenna element and the third antenna element are separated by a second distance different than the first distance, and wherein the second antenna element is the closest element along a line to both of the first antenna element and the third antenna element;

a beamformer lattice including a plurality of beamformer elements supported by the carrier having a configuration different from the antenna lattice configuration, wherein at least one of the beamformer elements is laterally displaced from at least one of the antenna elements; and

mapping for electrically coupling the antenna lattice to the beamformer lattice.

25. An antenna lattice for a phased array antenna system, the antenna lattice comprising:

a plurality of antenna elements configured in a space tapered configuration, wherein the plurality of antenna elements includes a first antenna element, a second antenna element and a third antenna element, wherein the first, second and third antenna elements are distributed between a center and a periphery of the first portion, with the first antenna element being closest to the center, the third antenna element being furthest from the center, and the second antenna element being positioned between the first and third antenna elements, wherein the first antenna element and the second antenna elements are separated by a first distance, and the second antenna element and the third antenna element are separated by a second distance different than the first distance, and wherein the second antenna element is the closest element along a line to both of the first antenna element and the third antenna element; and

mapping from each of the plurality of antenna elements to one of a plurality of other elements, wherein the plurality of other elements are in a configuration different from the space tapered configuration of the antenna lattice.

26. A phased array antenna system, comprising:

a first portion carrying an antenna lattice including a plurality of antenna elements, wherein the plurality of antenna elements are arranged in a first configuration wherein the first configuration is a space tapered configuration, wherein the antenna lattice includes a first antenna element, a second antenna element and a third antenna element, wherein the first, second and third antenna elements are distributed between a center and a periphery of the first portion, with the first antenna element being closest to the center, the third antenna element being furthest from the center, and the second antenna element being positioned between the first and third antenna elements, wherein the first antenna element and the second antenna elements are separated by a first distance, and the second antenna element and the third antenna element are separated by a second distance different than the first distance, and wherein the second antenna element is the closest element along a line to both of the first antenna element and the third antenna element; and

a second portion carrying a beamformer lattice including a plurality of beamformer elements, wherein the plurality of beamformer elements are arranged in a second configuration different from the first configuration, wherein at least one of the plurality of antenna elements is laterally spaced from a corresponding one of the plurality of beamformer elements, wherein each of the plurality of antenna elements are electrically coupled to one of the plurality of beamformer elements.

27. A phased array antenna, comprising:

a carrier;

a first plurality of antenna elements carried by the carrier and configured to transmit and/or receive signals at a first value of a parameter, wherein the plurality of antenna elements includes a first antenna element, a second antenna element and a third antenna element, wherein the first, second and third antenna elements are distributed between a center and a periphery of the first portion, with the first antenna element being closest to the center, the third antenna element being furthest from the center, and the second antenna element being positioned between the first and third antenna elements, wherein the first antenna element and the second antenna elements are separated by a first distance, and the second antenna element and the third antenna element are separated by a second distance different than the first distance, and wherein the second antenna element is the closest element along a line to both of the first antenna element and the third antenna element; and

a second plurality of antenna elements carried by the carrier and configured to transmit and/or receive signals at a second value of the parameter different from the first value of the parameter, wherein individual antenna elements of the first plurality of antenna elements are interspersed with individual antenna elements of the second plurality of antenna elements.

28. A phased array antenna, comprising:

an antenna lattice disposed on a carrier, the antenna lattice including a plurality of antenna elements arranged in an antenna lattice configuration, wherein the antenna lattice includes a first antenna element, a second antenna element and a third antenna element, wherein the first, second and third antenna elements are distributed between a center and a periphery of the first portion, with the first antenna element being closest to the center, the third antenna element being furthest from the center, and the second antenna element being positioned between the first and third antenna elements, wherein the first antenna element and the second antenna elements are separated by a first distance, and the second antenna element and the third antenna element are separated by a second distance different than the first distance, and wherein the second antenna element is the closest element along a line to both of the first antenna element and the third antenna element, wherein at least some antenna elements of the plurality of antenna elements are physically rotated relative to other antenna elements of the plurality of antenna elements.

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Feb 14, 2025
From: BANK OF AMERICA, N.A.
To: SPACE EXPLORATION TECHNOLOGIES CORP.
Reel/Frame 070237/0157 →
CERTIFICATE OF CONVERSION (STATE OF DELAWARE TO STATE OF TEXAS; NEW FILE NO.: 805421124; FILED : 02-14-2024) Recorded Feb 13, 2025
From: SPACE EXPLORATION TECHNOLOGIES CORP.
To: SPACE EXPLORATION TECHNOLOGIES CORP.
Reel/Frame 070234/0869 →
CORRECTIVE ASSIGNMENT TO CORRECT THE FULL NAME OF INVENTOR SHAYA KARIMKASHI ARANI PREVIOUSLY RECORDED ON REEL 052361 FRAME 0591. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Jun 7, 2021
From: RODRIGUEZ DE LUIS, JAVIER; APAYDIN, NIL; YETISIR, ERSIN; KARIMKASHI ARANI, SHAYA
To: SPACE EXPLORATION TECHNOLOGIES CORP.
Reel/Frame 056513/0241 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 10, 2020
From: MAHANFAR, ALIREZA
To: SPACE EXPLORATION TECHNOLOGIES CORP.
Reel/Frame 052361/0477 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 10, 2020
From: RODRIGUEZ DE LUIS, JAVIER; APAYDIN, NIL; YETISIR, ERSIN; ARANI, SHAYA KARIMKASHI
To: SPACE EXPLORATION TECHNOLOGIES CORP.
Reel/Frame 052361/0591 →
SECURITY AGREEMENT Recorded Feb 18, 2020
From: SPACE EXPLORATION TECHNOLOGIES CORP.
To: BANK OF AMERICA, N.A.
Reel/Frame 051952/0699 →
Continuity (3)
Provisional Application 62631689 · Feb 17, 2018
Provisional Application 62631195 · Feb 15, 2018
Related Publication 20190252801A1 · Aug 15, 2019