Adaptive nulling methods for GPS reception in multiple-interfere

Details Adaptive nulling methods for GPS reception in multiple-interfere Adaptive nulling methods for GPS reception in multiple-interfere

1999-07-02

2000-12-26

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Utilizing correlation techniques

342380, 34235706, 455 65, G01S 328

Patent

active

061666904

ABSTRACT:
Methods are disclosed for receiving GPS signals in the presence of multiple interference signals. The methods feature the orthogonal projection of sub-optimal weight vectors onto sets of orthonormal basis vectors. They facilitate the use of single-port reception techniques in which power is monitored only at a single GPS array output port regardless of the number of array elements. The methods do not require prior knowledge of interference signal structure and their use of uncoupled orthonormal basis vectors facilitates the simultaneous adjustment of array weights and rapid convergence to an optimal set of weights.

REFERENCES:
patent: 4931977 (1990-06-01), Klemes
patent: 5347284 (1994-09-01), Volpi et al.
patent: 5471220 (1995-11-01), Hammers
patent: 5694416 (1997-12-01), Johnson
patent: 5712641 (1998-01-01), Casabona et al.

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