Apparatus and method for mitigation of cross correlation in...

Details Apparatus and method for mitigation of cross correlation in... Apparatus and method for mitigation of cross correlation in...

H - Electricity

04

B

H04B 1/00 (2006.01)

Patent

CA 2617216

A method that is sub-optimal, but easily implemented, for cross correlation mitigation of GPS signals. It involves adaptive modification of the locally generated code used to detect a weak signal so that the new code is orthogonal to the jamming signals currently being tracked. The method employs simple constraints to achieve the orthogonalisation rather than a direct orthogonalisation performed using matrix inversions.

L'invention concerne un procédé sous-optimal, facilement mis en oeuvre, permettant d'atténuer les corrélations croisées de signaux GPS. Ceci implique une modification adaptative du code généré localement utilisé pour détecter un signal faible de sorte que le nouveau code est orthogonal aux signaux de brouillage couramment suivis. Ledit procédé permet d'utiliser des contraintes simples pour réaliser l'orthogonalisation plutôt qu'une orthogonalisation directe effectuée à l'aide d'inversions matricielles.

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