Claims
- 1. A method comprising:describing an environment; describing a candidate antenna; determining a performance characteristic based on said candidate antenna with respect to said environment wherein said performance characteristic is based on T({circumflex over (k)}), R({circumflex over (k)}) and S({circumflex over (k)},{circumflex over (k)}′), wherein T({circumflex over (k)}) is an nT by nT matrix, in which the matrix element Tij({circumflex over (k)}) is the correlation of a first signal transmitted from an transmitting antenna element i in direction {circumflex over (k)} with respect to said first signal transmitted from an transmitting antenna element j in direction {circumflex over (k)}; S({circumflex over (k)},{circumflex over (k)}′) is the power received at a receiving antenna from direction {circumflex over (k)}′ that is transmitted by a transmitting antenna in direction {circumflex over (k)}; R({circumflex over (k)}′) is an nR by nR matrix, in which the the matrix element Rαβ({circumflex over (k)}′) is the correlation of a second signal received from an receiving antenna element α from direction {circumflex over (k)}′ with respect to said second signal received from an receiving antenna element β from direction {circumflex over (k)}′; and fabricating a first antenna in accordance with said candidate antenna.
- 2. The method of claim 1 wherein said environment is at least partially diffusive.
- 3. The method of claim 1 wherein said first antenna is a transmitting antenna and further comprising determining a transmitting power correlation matrix, M, for said first antenna.
- 4. The method of claim 3 further comprising operating said first antenna in accordance with said transmitting power correlation matrix, M.
- 5. The method of claim 1 wherein said performance characteristic is based on the channel capacity, C.
- 6. The method of claim 1 wherein said performance characteristic is based on a covariance, K.
- 7. A method comprising:describing an environment; describing a candidate transmitting antenna and a candidate receiving antenna; and determining a performance characteristic based on said candidate transmitting antenna and said candidate receiving antenna with respect to said environment wherein said performance characteristic is based on T({circumflex over (k)}), R({circumflex over (k)}) and S({circumflex over (k)},{circumflex over (k)}′), wherein T({circumflex over (k)}) is an nT by nT matrix, in which the matrix element Tij({circumflex over (k)}) is the correlation of a first signal transmitted from an transmitting antenna element i in direction {circumflex over (k)} with respect to said first signal transmitted from an transmitting antenna element j in direction {circumflex over (k)}; S({circumflex over (k)},{circumflex over (k)}′) is the power received at a receiving antenna from direction {circumflex over (k)}′ that is transmitted by a transmitting antenna in direction {circumflex over (k)}; R({circumflex over (k)}′) is an nR by nR matrix, in which the the matrix element Rαβ({circumflex over (k)}′) is the correlation of a second signal received from an receiving antenna element α from direction {circumflex over (k)}′ with respect to said second signal received from an receiving antenna element β from direction {circumflex over (k)}′.
- 8. The method of claim 7 further comprising: fabricating a first antenna in accordance with said candidate transmitting antenna; and fabricating a second antenna in accordance with said candidate receiving antenna.
- 9. The method of claim 7 wherein said environment is at least partially diffusive.
- 10. The method of claim 7 further comprising determining a transmitting power correlation matrix, M, for said candidate transmitting antenna.
- 11. The method of claim 10 further comprising operating said first antenna in accordance with said transmitting power correlation matrix, M.
- 12. The method of claim 7 wherein said performance characteristic is based on the channel capacity, C.
- 13. A method comprising:describing a candidate transmitting antenna and a candidate receiving antenna; determining a performance characteristic based on an environment, said candidate transmitting antenna and said candidate receiving antenna wherein said performance characteristic is based on T({circumflex over (k)}), R({circumflex over (k)}) and S({circumflex over (k)},{circumflex over (k)}′), wherein T({circumflex over (k)}) is an nT by nT matrix, in which the matrix element Tij({circumflex over (k)}) is the correlation of a first signal transmitted from an transmitting antenna element i in direction {circumflex over (k)} with respect to said first signal transmitted from an transmitting antenna element j in direction {circumflex over (k)}; S({circumflex over (k)},{circumflex over (k)}′) is the power received at a receiving antenna from direction {circumflex over (k)}′ that is transmitted by a transmitting antenna in direction {circumflex over (k)}; R({circumflex over (k)}′) is an nR by nR matrix, in which the the matrix element Rαβ({circumflex over (k)}′) is the correlation of a second signal received from an receiving antenna element α from direction {circumflex over (k)}′ with respect to said second signal received from an receiving antenna element β from direction {circumflex over (k)}′; and fabricating a first antenna in accordance with said candidate transmitting antenna.
- 14. The method of claim 13 wherein said environment is at least partially diffusive.
- 15. The method of claim 13 further wherein the steps of describing and determining are performed iteratively until said performance characteristic is satisfactory.
- 16. The method of claim 13 further comprising determining a transmitting power correlation matrix, M, for said candidate transmitting antenna.
- 17. The method of claim 16 further comprising operating said first antenna in accordance with said transmitting power correlation matrix, M.
- 18. The method of claim 13 wherein said performance characteristic is based on a statistical property of a signal between said candidate transmitting antenna and said candidate receiving antenna.
REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of U.S. Provisional Application No. 60/125,162, filed Mar. 19, 1999, which is also incorporated by reference.
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/125162 |
Mar 1999 |
US |