Combination LTE and WiGig antenna

Patent metadata

Field	Value
Publication number	US-9520650-B2
Application number	US-201414230316-A
Country	US
Kind code	B2
Filing date	Mar 31, 2014
Priority date	Mar 31, 2014
Publication date	Dec 13, 2016
Grant date	Dec 13, 2016

Abstract

A combined antenna device includes a coupled feed antenna including a first grounded coupling element and a millimeter wave phased array antenna having a ground plane structure including a portion of the first grounded coupling element.

First claim

What is claimed is:

1. A combined antenna device, comprising:
a coupled feed antenna comprising a primary radiator element and a first grounded coupling element; and
a millimeter wave phased array antenna comprising a ground plane structure comprising a portion of the first grounded coupling element and a plurality of antenna elements on a substrate overlying the ground plane structure.

2. The combined antenna device of claim 1 , wherein
the first grounded coupling element is spatially positioned with respect to a first portion of the primary radiator element, and configured to form a first capacitive coupling thereto that creates a first parasitic resonance that extends a low band bandwidth of the primary radiator element.

3. The combined antenna device of claim 2 , wherein the coupled feed antenna further comprises:
a ground element; and
a first ground trace extending between the ground element and the first grounded coupling element, wherein the first ground trace has a geometry that defines a first inductance that, with the first capacitive coupling, defines the first parasitic resonance thereof.

4. The combined antenna device of claim 2 , wherein the coupled feed antenna further comprises a second grounded coupling element spatially positioned with respect to a second portion of the primary radiator element, and configured to form a second capacitive coupling thereto that creates a second parasitic resonance that extends a high band bandwidth of the primary radiator element.

5. The combined antenna device of claim 4 , wherein the coupled feed antenna further comprises:
a ground element; and
a second ground trace extending between the ground element and the second grounded coupling element, wherein the second ground trace has a geometry that defies a second inductance that, with the second capacitive coupling, defies the second parasitic resonance thereof.

6. The combined antenna device of claim 1 , wherein the millimeter wave phased array antenna further comprises a shield structure covering the array of antenna elements.

7. The combined antenna device of claim 1 , wherein the ground plane structure of the millimeter wave array antenna further comprises a port configured to receive a connector for coupling the ground plane structure to a ground potential.

8. The combined antenna device of claim 1 , further comprising a conductor connected to the port of the ground plane structure and extending along, and electrically contacting, an entirety of the first ground trace between the ground element and the ground plane structure.

9. A combined antenna device, comprising:
a coupled feed antenna, comprising:
a primary radiator element;
a first grounded coupling element having a ground plane structure forming a portion thereof; and
a second grounded coupling element; and
a millimeter wave phased array antenna comprising:
the ground plane structure; and
a plurality of antenna elements on a substrate overlying the ground plane structure.

10. The combined antenna device of claim 9 , wherein the first grounded coupling element is spatially positioned with respect to a first portion of the primary radiator element and is configured to form a first capacitive coupling therewith.

11. The combined antenna device of claim 10 , further comprising:
a ground element; and
a first ground trace extending between the ground element and the first grounded coupling element, wherein the first ground trace comprises a geometry that defines a first inductance,
wherein the first capacitive coupling and the first inductance define a first parasitic resonance that extends a low band bandwidth of the coupled feed antenna.

12. The combined antenna device of claim 11 , wherein the second grounded coupling element is spatially positioned with respect to a second portion of the primary radiator element and is configured to form a second capacitive coupling therewith, further comprising:
a second ground trace extending between the ground element and the second grounded coupling element, wherein the second ground trace comprises a geometry that defies a second inductance,
wherein the second capacitive coupling and the second inductance define a second parasitic resonance that extends a high band bandwidth of the coupled feed antenna.

13. The combined antenna device of claim 11 , wherein the ground plane structure of the millimeter wave phased array antenna comprises a port configured to receive a connector for coupling the ground plane structure to a ground potential, and further comprising a conductor connected to the port of the ground plane structure and extending along, and electrically contacting, an entirety of the first ground trace between the ground element and the ground plane structure.

14. A method of constructing a combined antenna device, comprising:
forming a coupled feed antenna comprising a primary radiator element and at least a first grounded coupling element; and
forming a millimeter wave phased array antenna having a ground plane structure that comprises a portion of the first grounded coupling element and a plurality of antenna elements on a substrate overlying the ground plane structure.

15. The method of claim 14 , wherein forming the coupled feed antenna further comprises:
forming a ground element; and
forming a first ground trace extending between the ground element and the first grounded coupling element,
wherein the first ground trace comprises a geometry that defines a first inductance,
wherein the first grounded coupling element is spatially positioned with respect to the primary radiator element to define a first capacitive coupling therewith, and
wherein the first inductance and the first capacitive coupling define a first parasitic resonance that extends a low band bandwidth of the coupled feed antenna.

16. The method of claim 15 , wherein the ground plane structure comprises a port configured to receive a connector for coupling the ground plane structure to a ground potential, the method further comprising forming a conductor connected to the port and extending along and electrically contacting an entirety of the first ground trace between the ground element and the ground plane structure.

Assignees

• Intel Corp

Inventors

• Yang Songnan
• Pan Helen K
• Hiranandanl Manish A
• Xia Fan (Cherry)
• Karacaoglu Ulun

Classifications

• H01Q9/40 Primary

  Element having extended radiating surface · CPC title

• H01Q5/378

  Combination of fed elements with parasitic elements · CPC title

• H01Q21/00

  Antenna arrays or systems (arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system H01Q3/00) · CPC title

• H01Q5/40

  Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements · CPC title