Claims
- 1. An antenna comprising:
a substrate having a plurality of electronically configurable reflective elements; and a feed element for radiating energy to, or absorbing energy from, said reflective elements.
- 2. The antenna of claim 1 wherein said substrate comprises a semiconductor substrate having a plurality of semiconductor devices integrated therein, wherein said plurality of semiconductor devices are capable of generating said reflective elements via junction carrier injection.
- 3. The antenna of claim 2 wherein said semiconductor substrate comprises high-resistivity silicon.
- 4. The antenna of claim 2 wherein said plurality of semiconductor devices are a plurality of PIN diodes.
- 5. The antenna of claim 2 wherein said plurality of semiconductor devices are integrated in an N×N array within said semiconductor substrate.
- 6. The antenna of claim 1 wherein said reflective elements are in a planar array formation.
- 7. The antenna of claim 1 wherein said reflective elements are in a Sierpinski carpet formation.
- 8. The antenna of claim 1 wherein said feed element is a feed horn.
- 9. A wideband adaptive antenna system comprising:
a reconfigurable conductive substrate capable of generating a plurality of reflective elements; at least one groundplane; an adaptive control layer for controlling said reflective elements; and a feed element for radiating energy to, or absorbing energy from, said reflective elements.
- 10. The antenna system of claim 9 wherein said reconfigurable conductive substrate comprises a semiconductor substrate having a plurality of semiconductor devices integrated therein, wherein said plurality of semiconductor devices are capable of generating said reflective elements via junction carrier injection.
- 11. The antenna system of claim 10 wherein said semiconductor substrate comprises high-resistivity silicon.
- 12. The antenna system of claim 10 wherein said plurality of semiconductor devices are a plurality of PIN diodes.
- 13. The antenna system of claim 10 wherein said plurality of semiconductor devices are integrated within said semiconductor substrate in an N×N array.
- 14. The antenna system of claim 9 wherein said reflective elements are in a planar array formation.
- 15. The antenna system of claim 9 wherein said reflective elements are in a Sierpinski carpet formation.
- 16. The antenna system of claim 9 wherein said feed element is a feed horn.
Parent Case Info
[0001] This application claims benefit of U.S. provisional patent application Ser. No. 60/233,185, filed Sep. 15, 2000, which is herein incorporated by reference.
Provisional Applications (1)
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Number |
Date |
Country |
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60233185 |
Sep 2000 |
US |