Method and intelligent digital beam forming system with...

Details Method and intelligent digital beam forming system with... Method and intelligent digital beam forming system with...

H - Electricity

01

Q

H01Q 3/00 (2006.01) G01S 3/42 (2006.01) H01Q 3/26 (2006.01) H04B 7/185 (2006.01) G01S 7/28 (2006.01) G01S 7/36 (2006.01)

Patent

CA 2217354

An intelligent digital beam former (10) in conjunction with a satellite based array antenna (20) provides a plurality of dynamically controllable antenna beams (52) for communication with subscriber units on earth's surface. The location of a subscriber unit (90) requesting communication services is determined and an individual antenna beams is formed and assigned to the subscriber unit. The antenna beam tracks the subscriber units as the satellite and/or the subscriber unit moves. The digital beam forming coefficients are dynamically adjusted and controlled to help maximize the signal quality of communications with the subscriber units.

L'invention est un dispositif numérique intelligent de mise en forme de faisceaux (10) qui, conjointement avec une antenne réseau (20) montée sur un satellite, permet d'obtenir une pluralité de faisceaux commandés dynamiquement (52) pour communiquer avec des unités d'abonné installées à la surface de la Terre. L'emplacement de l'unité (90) d'un abonné demandeur de services de communication est déterminée et un faisceau individuel est formé et affecté à cette unité. Le faisceau de l'antenne suit l'unité de l'abonné durant le déplacement du satellite et/ou celui de l'unité. Les coefficients de mise en forme numérique du faisceau sont ajustés et contrôlés dynamiquement pour aider à maximiser la qualité du signal de communication avec les unités d'abonné.

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