Integrated man-portable wearable antenna system

• US 7,002,526 B1
• Filed: 08/26/2004
• Issued: 02/21/2006
• Est. Priority Date: 01/31/2002
• Status: Expired due to Fees

• Current Assignee: the united states of america as represented by the secretary of the navy, United States Of America As Represented By The Secretary Of The Navy, Office Of Naval Research
• Original Assignee: the united states of america as represented by the secretary of the navy
• Inventors: Adams, Richard C., Emo, Todd R., O'Neil, Robert J., Lebaric, Jovan E.
• Primary Examiner(s): LE, HOANGANH T
• Application Number:
  US10/927,223
• Time in Patent Office: 544 Days
• Field of Search: 343/718, 343/725, 343/729, 343/897, 343/893, 343/742, 343/876
• US Class Current: 343/718
• CPC Class Codes: H01Q 1/273 Adaptation for carrying or wearing by persons or animals
• CPC Class Codes: H01Q 9/16 with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole H01Q9/44 takes precedence
• CPC Class Codes: H01Q 9/28 Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines waveguide horns or mouths H01Q13/00; slot antennas H01Q13/00

Abstract

A man-portable wearable antenna system to be worn by a wearer. The wearable antenna system comprises a helmet antenna, a vest antenna worn around the torso, a body antenna worn along the entire body, and a means for routing signals between one of the antennas and a communication device.

Claims

1. A man-portable wearable antenna system to be worn by a wearer, comprising:

a helmet antenna worn on the head of said wearer, wherein said helmet antenna transmits and receives signals over a frequency range of 500 MHz through 2500 MHz;

a vest antenna worn around the torso of said wearer, wherein said vest antenna transmits and receives signals over a frequency range of 30 through 500 MHz;

a body antenna worn along the entire body of said wearer, wherein said body antenna transmits and receives signals over a frequency range of 2 MHz through 30 MHz; and

a means for routing signals between one of said antennas and a communication device.

2. The man-portable wearable antenna system of claim 1, wherein said helmet antenna comprises:

a liner shaped to fit over a helmet;

a first helmet RF element attached to said liner;

a second helmet RF element attached to said liner so that said first and second helmet RF elements are separated by a gap;

a helmet RF feed electrically connected to said first helmet RF element for providing energy to said first helmet RF element;

a helmet ground feed electrically connected to said second helmet RF element;

a first helmet shorting strap electrically connected to said first and second helmet RF elements opposite from said helmet RF feed; and

a second helmet shorting strap electrically connected to said first and second helmet RF elements between said first helmet shorting strap and said helmet RF feed.

3. The man-portable wearable antenna system of claim 2, wherein said first and second helmet RF elements are made of a flexible electrically conductive material.

4. The man-portable wearable antenna system of claim 1, wherein said vest antenna comprises:

an electrically nonconductive garment having anterior and dorsal regions, left and right shoulder regions, left and right side regions;

a VHF antenna, comprising;

a first VHF RF element attached to said garment;

a second VHF RF element attached to said garment so that first and second VHF RF elements are separated by a gap;

a VHF RF feed electrically connected to said first VHF RF element on said dorsal region of said garment for providing energy to said first VHF RF element;

a VHF ground feed electrically connected to said second VHF RF element;

a VHF shorting strap for providing an electrical connection between said first and second VHF RF elements on said anterior region of said garment;

first and second shoulder straps electrically connected between said anterior and said dorsal regions of said first VHF RF element and which extend over said left and right shoulder regions of said garment; and

a matching circuit electrically connected between said first VHF RF element and said VHF RF feed;

a UHF antenna, comprising;

a first front UHF RF element attached to said anterior region of said garment;

a second front UHF RF element attached to said anterior region of said garment so that first and second front UHF RF elements are separated by a gap;

a front UHF RF feed electrically connected to said first front UHF RF element for providing RF energy to said first front UHF RF element;

a front UHF ground feed electrically connected to said second front UHF RF element;

a first back UHF RF element attached to said dorsal region of said garment;

a second back UHF RF element attached to said dorsal region of said garment so that first and second back UHF RF elements are separated by a gap;

a back UHF RF feed electrically connected to said first back UHF RF element for providing RF energy to said first back UHF RF element;

a back UHF ground feed electrically connected to said second back UHF RF element;

at least one first connecting wire electrically connected between said first front and said first back UHF RF elements;

at least one second connecting wire electrically connected between said second front and said second back UHF RF elements.

5. The man-portable wearable antenna system of claim 4, wherein said electrically nonconductive garment comprises a flak vest.

6. The man-portable wearable antenna system of claim 4, wherein said first and second VHF RF elements, said first and second front UHF RF elements, and said first and second back UHF RF elements are made of a flexible electrically conductive material.

7. The man-portable wearable antenna system of claim 1, wherein said body antenna comprises:

a first electrically nonconductive garment to be worn about the upper body of said wearer having anterior and dorsal regions, left and right side regions;

first and second conductive elements attached to said first electrically nonconductive garment, wherein said first conductive element extends substantially along said left side region to said dorsal region of said first garment and said second conductive element extends substantially along said right side region to said dorsal region of said first garment;

a HF RF feed attached to said dorsal region of said first electrically nonconductive garment, said HF RF feed electrically connected to said first conductive element for providing RF energy to said first conductive element;

a HF ground feed electrically attached to said second conductive element;

a second electrically nonconductive garment to be worn about the lower body of said wearer having left and right side regions;

first and second longitudinal conductive strips having top and bottom ends attached along said left and right side regions of said second electrically nonconductive garment, wherein said first and second longitudinal conductive strips extend substantially along the length of said second garment and vertically when said wearer is in a standing position and said top ends are attached to said first and second conductive elements; and

first and second conductive inserts for lining the inners sole of footwear to be worn by said wearer attached to said bottom ends of said first and second longitudinal conductive strips.

8. The man-portable wearable antenna system of claim 7, wherein said first electrically nonconductive garment comprises a flak vest.

9. The man-portable wearable antenna system of claim 7, wherein said conductive elements, longitudinal conductive strips, and conductive inserts are made of a flexible electrically conductive material.

10. The man-portable wearable antenna system of claim 1 wherein said means for routing signals between one of said antennas and a communication device comprises a switch.

11. The man-portable wearable antenna system of claim 1 wherein said means for routing signals between one of said antennas and a communication device comprises a quadraplexer.

12. A method for forming a man-portable wearable antenna system to be worn by a wearer, comprising the steps of:

forming a helmet antenna to be worn on the head of said wearer, wherein said helmet antenna transmits and receives signals over a frequency range of 500 MHz through 2500 MHz;

forming a vest antenna to be worn around the torso of said wearer, wherein said vest antenna transmits and receives signals over a frequency range of 30 through 500 MHz;

forming a body antenna to be worn along the entire body of said wearer, wherein said body antenna transmits and receives signals over a frequency range of 2 MHz through 30 MHz; and

providing a means for routing signals between one of said antennas and a communication device.

13. The method of claim 12, wherein said step of forming a helmet antenna comprises the steps of:

attaching a first helmet RF element to a liner shaped to fit over a helmet;

attaching a second helmet RF element to said liner so that said first and second helmet RF elements are separated by a gap;

connecting a helmet RF feed to said first helmet RF element for providing energy to said first helmet RF element;

connecting a helmet ground feed to said second helmet RF element;

attaching a first helmet shorting strap to said first and second helmet RF elements opposite from said helmet RF feed, for providing an electrical connection between said first and second helmet RF elements; and

attaching a second helmet shorting strap to said first and second helmet RF elements between said first helmet shorting strap and said helmet RF feed.

14. The method of claim 12, wherein said step of forming a vest antenna comprises the steps of:

forming a VHF antenna on an electrically nonconductive garment having anterior and dorsal regions, left and right shoulder regions, left and right side regions, wherein said step of forming a VHF antenna comprises the steps of;

attaching a first VHF RF element to said garment;

attaching a second VHF RF element to said garment so that first and second VHF RF elements are separated by a gap;

connecting a VHF RF feed to said first VHF RF element on said dorsal region of said garment for providing energy to said first VHF RF element;

connecting a VHF ground feed to said second VHF RF element;

attaching a VHF shorting strap to said first and second VHF RF elements on said anterior region of said garment;

connecting first and second shoulder straps between said anterior and said dorsal regions of said first VHF RF element and extending over said left and right shoulder regions of said garment; and

connecting a matching circuit between said first VHF RF element and said VHF RF feed;

forming a UHF antenna on said electrically nonconductive garment, wherein said step of forming a UHF antenna comprises the steps of;

attaching a first front UHF RF element to said anterior region of said garment;

attaching a second front UHF RF element to said anterior region of said garment so that first and second front UHF RF elements are separated by a gap;

connecting a front UHF RF feed to said first front UHF RF element for providing RF energy to said first front UHF RF element;

connecting a front UHF ground feed to said second front UHF RF element;

attaching a first back UHF RF element to said dorsal region of said garment;

attaching a second back UHF RF element to said dorsal region of said garment so that first and second back UHF RF elements are separated by a gap;

connecting a back UHF RF feed to said first back UHF RF element for providing RF energy to said first back UHF RF element;

connecting a back UHF ground feed to said second back UHF RF element;

attaching at least one first connecting wire between said first front and said first back UHF RF elements; and

attaching at least one second connecting wire between said first front and said first back UHF RF elements.

15. The method of claim 12, wherein said step of forming a body antenna comprises the steps of:

attaching first and second conductive elements to a first electrically nonconductive garment to be worn about the upper body of said wearer having anterior and dorsal regions, left and right side regions, wherein said first conductive element extends substantially along said left side region to said dorsal region of said first garment and said second conductive element extends substantially along said right side region to said dorsal region of said first garment;

attaching a HF RF feed to said dorsal region of said first electrically nonconductive garment;

connecting said HF RF feed to said first conductive element for providing RF energy to said first conductive element;

connecting a HF ground feed to said second conductive element;

attaching first and second longitudinal conductive strips having top and bottom ends to a second electrically nonconductive garment to be worn about the lower body of said wearer having left and right side regions, wherein said first and second longitudinal conductive strips are attached along said left and right side regions of said second garment and extend substantially along the length of said second garment and vertically when said wearer is in a standing position and said top ends are attached to said first and second conductive elements; and

attaching first and second conductive inserts for lining the inners sole of footwear to be worn by said wearer to said bottom ends of said first and second longitudinal conductive strips.