Method for position determination with measurement stitching

Details Method for position determination with measurement stitching Method for position determination with measurement stitching

G - Physics

01

S

G01S 5/14 (2006.01) G01S 1/00 (2006.01)

Patent

CA 2641335

A mobile Communications device uses a method for determining position that involves a positioning filter, such as a Kalman filter, which is initialized with measurements from reference stations such as satellite vehicles and/or base stations which may be acquired during different epochs. Accordingly, the positioning filter may be used for position estimation without the need to first acquire at least three different signals during the same measurement epoch.

L'invention concerne un dispositif mobile de communication qui utilise une méthode de détermination de la position qui met en AEuvre un filtre de positionnement, tel qu'un filtre de Kalman, qui est initialisé avec les mesures effectuées sur des stations de référence telles que des satellites et/ou des stations au sol, qui peuvent être effectuées à différents moments. Ainsi, le filtre de positionnement peut être utilisé pour une estimation de la position sans qu'il soit nécessaire d'acquérir préalablement au moins trois signaux différents dans le même intervalle de temps.

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