WO2007139617A4 - Integrated waveguide antenna and array - Google Patents
Integrated waveguide antenna and array Download PDFInfo
- Publication number
- WO2007139617A4 WO2007139617A4 PCT/US2007/008418 US2007008418W WO2007139617A4 WO 2007139617 A4 WO2007139617 A4 WO 2007139617A4 US 2007008418 W US2007008418 W US 2007008418W WO 2007139617 A4 WO2007139617 A4 WO 2007139617A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- radiating element
- waveguide
- cross
- section
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/0233—Horns fed by a slotted waveguide array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/22—Longitudinal slot in boundary wall of waveguide or transmission line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0012—Radial guide fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/005—Slotted waveguides arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/0062—Slotted waveguides the slots being disposed around the feeding waveguide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
Abstract
An antenna is provided. The antenna may include at least one open-ended structure extending from a surface of a waveguide. The open-ended structure may have a cross section of many different shapes. The walls of the structure may be movable. The antenna structure may be rotated. The antenna may incorporate a number of different wave feeds. The antenna may provide two-dimensional beam steering.
Claims
1. An antenna comprising; a parallel plate waveguide having a top plate, a bottom plate, and a backside, at least one radiating element extending from the top plate of the waveguide over an aperture formed in the top plate, the element comprising a sidewall forming a distal opening spaced apart from the top plate of the waveguide, and wherein the center of the aperture is formed at a distance L from the backside, the distance L selected so that a reflecting wave reflected from the backside returns in phase with a propagating wave that is propagating towards the backside.
2. The antenna of Claim 1 , wherein the at least one radiating element comprises an extruded portion having a proximal end and a distal end, and further comprising at least one wall portion extending from the proximal end to the distal end, and wherein the extruded portion forms a tube having openings at the proximal end and the distal end.
3. The antenna of Claim 1 , wherein the at least one radiating element has a polygonal cross section.
4. The antenna of Claim 1, wherein the at least one radiating element has a curved cross section.
5. The antenna of Claim 1 , wherein the at least one radiating element has a trapezoidal cross section.
6. The antenna of Claim 1 , wherein the at least one radiating element has a square cross section.
7. The antenna of Claim 1 , wherein the at least one radiating element has a rectangular cross section.
8. The antenna of Claim 1, wherein the at least one radiating element has a cross-shaped cross section.
9. The antenna of Claim 1 , wherein the at least one radiating element has a cross-shaped cross section with tapered rectangular ridges.
10. The antenna of Claim 1 , wherein the at least one radiating element is tubular.
11. The antenna of Claim 1 , wherein the at least one radiating element is cylindrical.
12. The antenna of Claim 1, wherein the at least one radiating element is conical.
13. The antenna of Claim 1 , wherein the at least one element has a first portion and a second portion, the first portion comprising at least one wall perpendicular to the surface of the 28
waveguide, the second portion comprising at least one wall non-perpendicular to the surface of the waveguide.
14. The antenna of Claim 1 , wherein the at least one radiating element comprises a perpendicular portion and a flared portion.
15. The antenna of Claim 1 , wherein the waveguide comprises at least one end opening and wherein the waveguide is adapted to receive an excitation wave at [[at]] least one of the end openings.
16. The antenna of Claim 1, further comprising a wave source.
17. The antenna of Claim 1 , wherein the side wall of the radiating element forms a cylindrical cross section and further comprises at least two slots formed therein.
18. The antenna of Claim 16, wherein the side wall of the radiating element comprises a conical shape.
19. The antenna of Claim 1, wherein the waveguide comprises a polygon cross section.
20. The antenna of Claim 1 wherein the waveguide comprises a circular cross section.
21. A method of manufacturing an antenna comprising: 29
forming a parallel plate waveguide having a top plate and a bottom plate; forming a plurality of apertures on the top plate; and, forming a plurality of radiating elements, each, radiating element coupled to the waveguide over a corresponding one of the plurality of apertures and each radiating element having a sidewall forming a distal opening spaced apart from the top plate.
22. The method of claim 21, wherein the sidewall is formed so as to place the distal opening at a height of a quarter wavelength (0.25λ) above the top plate.
23. The method of claim 21, wherein the sidewall is formed so that each distal opening has an area larger than area of the corresponding aperture.
24. The antenna of Claim 1 , wherein the sidewall extends so as to place the distal opening at a height of a quarter wavelength (0.25λ) above the top plate.
25. The antenna of Claim 1, wherein the sidewall is formed so that each distal openbg has an area larger than area of the corresponding aperture.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009512006A JP2009538561A (en) | 2006-05-24 | 2007-04-03 | Integrated waveguide antenna and array |
EP07754865A EP2020053B1 (en) | 2006-05-24 | 2007-04-03 | Integrated waveguide antenna and array |
AT07754865T ATE522951T1 (en) | 2006-05-24 | 2007-04-03 | INTEGRATED WAVEGUIDE ANTENNA AND ARRAY |
IL195465A IL195465A (en) | 2006-05-24 | 2008-11-23 | Integrated waveguide antenna and array |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80818706P | 2006-05-24 | 2006-05-24 | |
US60/808,187 | 2006-05-24 | ||
US85966706P | 2006-11-17 | 2006-11-17 | |
US85979906P | 2006-11-17 | 2006-11-17 | |
US60/859,667 | 2006-11-17 | ||
US60/859,799 | 2006-11-17 | ||
US89045607P | 2007-02-16 | 2007-02-16 | |
US60/890,456 | 2007-02-16 | ||
US11/695,913 US7466281B2 (en) | 2006-05-24 | 2007-04-03 | Integrated waveguide antenna and array |
US11/695,913 | 2007-04-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2007139617A2 WO2007139617A2 (en) | 2007-12-06 |
WO2007139617A3 WO2007139617A3 (en) | 2008-11-27 |
WO2007139617A4 true WO2007139617A4 (en) | 2009-02-19 |
Family
ID=38749049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/008418 WO2007139617A2 (en) | 2006-05-24 | 2007-04-03 | Integrated waveguide antenna and array |
Country Status (6)
Country | Link |
---|---|
US (2) | US7466281B2 (en) |
EP (2) | EP2020053B1 (en) |
JP (1) | JP2009538561A (en) |
AT (1) | ATE522951T1 (en) |
IL (1) | IL195465A (en) |
WO (1) | WO2007139617A2 (en) |
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2007
- 2007-04-03 WO PCT/US2007/008418 patent/WO2007139617A2/en active Application Filing
- 2007-04-03 JP JP2009512006A patent/JP2009538561A/en not_active Withdrawn
- 2007-04-03 EP EP07754865A patent/EP2020053B1/en not_active Not-in-force
- 2007-04-03 EP EP11177771A patent/EP2388859A1/en not_active Withdrawn
- 2007-04-03 US US11/695,913 patent/US7466281B2/en active Active
- 2007-04-03 AT AT07754865T patent/ATE522951T1/en not_active IP Right Cessation
-
2008
- 2008-11-13 US US12/270,259 patent/US7961153B2/en not_active Expired - Fee Related
- 2008-11-23 IL IL195465A patent/IL195465A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2009538561A (en) | 2009-11-05 |
EP2020053A4 (en) | 2009-08-05 |
IL195465A0 (en) | 2009-08-03 |
EP2020053A2 (en) | 2009-02-04 |
EP2388859A1 (en) | 2011-11-23 |
US20090058747A1 (en) | 2009-03-05 |
US7961153B2 (en) | 2011-06-14 |
US20070273599A1 (en) | 2007-11-29 |
US7466281B2 (en) | 2008-12-16 |
IL195465A (en) | 2013-08-29 |
EP2020053B1 (en) | 2011-08-31 |
WO2007139617A3 (en) | 2008-11-27 |
ATE522951T1 (en) | 2011-09-15 |
WO2007139617A2 (en) | 2007-12-06 |
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