Claims
- 1. A multiple beam antenna, comprising:
a flexible substrate having a conductive layer; a plurality of directional antennas formed in the conductive layer; and a plurality of electrical connections formed in the conductive layer connecting each of said plurality of directional antennas to at least one predetermined area of said substrate.
- 2. A multiple beam antenna as claimed in claim 1,
wherein said flexible substrate is capable of being shaped so that said plurality of directional antennas point in prescribed directions.
- 3. A multiple beam antenna as claimed in claim 1,
wherein said plurality of directional antennas and said plurality of electrical connection are formed in the conductive layer in a single fabrication step.
- 4. A multiple beam antenna as claimed in claim 1,
wherein said flexible substrate comprises a single conductive layer.
- 5. A multiple beam antenna as claimed in claim 1, further comprising:
a beamformer.
- 6. A multiple beam antenna as claimed in claim 5,
wherein said beamformer is formed in said conductive layer.
- 7. A multiple beam antenna as claimed in claim 1, wherein each of said plurality of directional antennas comprises an antenna element.
- 8. A multiple beam antenna as claimed in claim 1, wherein each of said plurality of directional antennas comprises a plurality of antenna elements.
- 9. A multiple beam antenna as claimed claims 8, wherein the plurality of antenna elements are arranged to provide dual polarisations.
- 10. A multiple beam antenna as claimed in claim 8, wherein the plurality of antenna elements are arranged in an array.
- 11. A multiple beam antenna as claimed in claim 10, wherein said array is a one-dimensional array.
- 12. A multiple beam antenna as claimed in claim 1, further comprising:
switch circuitry.
- 13. A multiple beam antenna as claimed in claim 12, further comprising:
a plurality of overlay couplers.
- 14. A multiple beam antenna as claimed in claim 13, wherein said overlay couplers connect said electrical connections to said switch circuitry.
- 15. A multiple beam antenna as claimed in claim 12, wherein said switch circuitry is formed in said conductive layer.
- 16. A multiple beam antenna as claimed in claim 15, wherein said electrical connections connect each of said plurality of directional antennas to said switch circuitry.
- 17. A multiple beam antenna as claimed in claim 1, wherein the electrical connections are microstrip lines.
- 18. A multiple beam antenna as claimed in claim 1, wherein said flexible substrate is conformed in close proximity to a back plane.
- 19. A multiple beam antenna as claimed in claim 1, wherein said electrical connections extend generally in one direction towards one predetermined area of said substrate.
- 20. A multiple beam antenna as claimed in claim 1, wherein some of said electrical connections extend generally toward a first side of said substrate to a first predetermined area, and other of said electrical connections extend generally toward a second, opposite side of said substrate to a second predetermined area.
- 21. A multiple beam antenna as claimed in claim 7 or 8, wherein at least some of the antenna elements are provided as microstrip antenna elements.
- 22. A multiple beam antenna as claimed in claim 7 or 8, wherein at least some of the antenna elements are provided as probe fed aperture elements.
- 23. A multiple beam antenna as claimed in claim 12, wherein the switch circuitry and directional antennas are arranged on a common side of said substrate.
- 24. A multiple beam antenna as claimed in claim 11, wherein the substrate is arranged in a substantially 3-dimensional configuration to position the one dimensional arrays of antenna elements in columns, and wherein at least two adjacent columns are not coplanar.
- 25. A multiple beam antenna as claimed in claim 1, further comprising:
a ground plane; and a dielectric interposed between at least a portion of said substrate and said ground plane.
- 26. A multiple beam antenna as claimed in claim 1, wherein said flexible substrate further comprises a second conductive layer; said multiple beam antenna further comprising:
a second plurality of directional antennas formed in said second conductive layer; and a second plurality of electrical connections formed in said second conductive layer, connecting each of said second plurality of directional antennas to at least one predetermined area of said substrate.
- 27. A multiple beam antenna as claimed in claim 26, wherein said plurality of directional antennas is substantially aligned with said second plurality of directional antennas.
- 28. A multiple beam antenna as claimed in any one or more of claims 26 and 27, wherein said plurality of directional antennas are arranged to provide beams of a first polarisation and said second plurality of directional antennas are arranged to provide beams of a second polarisation.
- 29. A multiple beam antenna as claimed in any one or more of claims 26 and 27, wherein said plurality of directional antennas are arranged to operate at a first range of frequencies and said second plurality of directional antennas are arranged to operate at a second range of frequencies.
- 30. A multiple beam antenna as claimed in claim 1 having a substantially hexagonal cross-section.
- 31. A multiple beam antenna as claimed in claim 1 having a substantially conical shape.
- 32. An antenna module comprising a multiple beam antenna as claimed in claim 1.
- 33. An antenna module as claimed in claim 32, further comprising:
a ground plane; electronics; a dielectric layer between said flexible substrate and said ground plane; and an outer protective housing.
- 34. An antenna module as claimed in claim 33, further comprising:
control software.
- 35. An antenna module as claimed in claim 33, wherein said flexible substrate is wrapped around said ground plane.
- 36. A communications network comprising a plurality of multiple beam antennas as claimed in claim 1.
- 37. A communications network comprising a plurality of antenna modules as claimed in any one of claims 32-35.
- 38. A method of fabricating a multiple beam antenna comprising the steps of:
forming a plurality of directional antennas in a conductive layer of a flexible substrate; and forming a plurality of electrical connections in said conductive layer connecting each of said plurality of directional antennas to at least one predetermined area of said substrate.
- 39. A method of fabricating a multiple beam antenna as claimed in claim 38, further comprising the step of:
shaping said flexible substrate such that said plurality of directional antennas point in prescribed directions.
- 40. A method of fabricating a multiple beam antenna as claimed in claim 39, further comprising the step of:
shaping said flexible substrate such that it fits against an object.
- 41. A method of fabricating a multiple beam antenna as claimed in claim 39, wherein said object comprises a housing.
- 42. A method of fabricating a multiple beam antenna as claimed in claim 41, further comprising the step of:
mounting control electronics within said housing.
- 43. A method of fabricating a multiple beam antenna as claimed in claim 38, further comprising the step of:
forming a beamformer in said conductive layer.
- 44. A method of fabricating a multiple beam antenna as claimed in claim 38, further comprising the step of:
connecting said flexible substrate to a second substrate with a plurality of overlay couplers.
- 45. A method of fabricating a multiple beam antenna as claimed in claim 38, further comprising the step of:
integrating switching circuitry into said flexible substrate.
RELATED APPLICATION
[0001] This application is the full utility filing of U.S. provisional application No. 60/447,527 filed on Feb. 14, 2003, from which the present application claims priority and which is incorporated herein by reference.
[0002] This patent application is related to the following Provisional patent applications filed in the U.S. Patent and Trademark Office, the disclosures of which are expressly incorporated herein by reference:
[0003] U.S. Patent Application Serial No. 60/446,617 filed on Feb. 11, 2003 and entitled “System for Coordination of Multi Beam Transit Radio Links for a Distributed Wireless Access System” [15741]
[0004] U.S. Patent Application Serial No. 60/446,618 filed on Feb. 11, 2003 and entitled “Rendezvous Coordination of Beamed Transit Radio Links for a Distributed Multi-Hop Wireless Access System” [15743]
[0005] U.S. Patent Application Serial No. 60/446,619 filed on Feb. 12, 2003 and entitled “Distributed Multi-Beam Wireless System Capable of Node Discovery, Rediscovery and Interference Mitigation” [15742]
[0006] U.S. Patent Application Serial No. 60/447,643 filed on Feb. 14, 2003 and entitled “An Omni-Directional Antenna” [15908]
[0007] U.S. Patent Application Serial No. 60/447,644 filed on Feb. 14, 2003 and entitled “Antenna Diversity” [15913]
[0008] U.S. Patent Application Serial No. 60/447,645 filed on Feb. 14, 2003 and entitled “Wireless Antennas, Networks, Methods, Software, and Services” [15912]
[0009] U.S. Patent Application Serial No. 60/447,646 filed on Feb. 14, 2003 and entitled “Wireless Communication” [15897]
[0010] U.S. Patent Application Serial No. 60/451,897 filed on Mar. 4, 2003 and entitled “Offsetting Patch Antennas on an Omni-Directional Multi-Facetted Array to allow Space for an Interconnection Board” [15958]
[0011] U.S. Patent Application Serial No. 60/453,011 filed on Mar. 7, 2003 and entitled “Method to Enhance Link Range in a Distributed Multi-hop Wireless Network using Self-Configurable Antenna” [15946]
[0012] U.S. Patent Application Serial No. 60/453,840 filed on Mar. 11, 2003 and entitled “Operation and Control of a High Gain Phased Array Antenna in a Distributed Wir I ss Network” [15950]
[0013] U.S. Patent Application Serial No. 60/454,715 filed on Mar. 15, 2003 and entitled “Directive Antenna System in a Distributed Wir I ss Network” [15952]
[0014] U.S. Patent Application Serial No. 60/461,344 filed on Apr. 9, 2003 and entitled “Method of Assessing Indoor-Outdoor Location of Wireless Access Node” [15953]
[0015] U.S. Patent Application Serial No. 60/461,579 filed on Apr. 9, 2003 and entitled “Minimisation of Radio Resource Usage in Multi-Hop Networks with Multiple Routings” [15930]
[0016] U.S. Patent Application Serial No. 60/464,844 filed on Apr. 23, 2003 and entitled “Improving IP QoS though Host-Based Constrained Routing in Mobile Environments” [15807]
[0017] U.S. Patent Application Serial No. 60/467,432 filed on May 2, 2003 and entitled “A Method for Path Discovery and Selection in Ad Hoc Wireless Networks” [15951]
[0018] U.S. Patent Application Serial No. 60/468,456 filed on May 7, 2003 and entitled “A Method for the Self-Selection of Radio Frequency Channels to Reduce Co-Channel and Adjacent Channel Interference in a Wireless Distributed Network” [16101]
[0019] U.S. Patent Application Serial No. 60/480,599 filed on Jun. 20, 2003 and entitled “Channel Selection” [16146]
Provisional Applications (18)
|
Number |
Date |
Country |
|
60447527 |
Feb 2003 |
US |
|
60446617 |
Feb 2003 |
US |
|
60446618 |
Feb 2003 |
US |
|
60446619 |
Feb 2003 |
US |
|
60447643 |
Feb 2003 |
US |
|
60447644 |
Feb 2003 |
US |
|
60447645 |
Feb 2003 |
US |
|
60447646 |
Feb 2003 |
US |
|
60451897 |
Mar 2003 |
US |
|
60453011 |
Mar 2003 |
US |
|
60453840 |
Mar 2003 |
US |
|
60454715 |
Mar 2003 |
US |
|
60461344 |
Apr 2003 |
US |
|
60461579 |
Apr 2003 |
US |
|
60464844 |
Apr 2003 |
US |
|
60467432 |
May 2003 |
US |
|
60468456 |
May 2003 |
US |
|
60480599 |
Jun 2003 |
US |