Antenna system with adjustable means for mechanical tilt angle

Details Antenna system with adjustable means for mechanical tilt angle Antenna system with adjustable means for mechanical tilt angle

H - Electricity

01

Q

H01Q 3/32 (2006.01) H01Q 1/24 (2006.01) H01Q 3/36 (2006.01) H01Q 21/00 (2006.01)

Patent

CA 2461480

An antenna system (100) comprises an antenna assembly (102) having a plurality of elements (E1-En) mounted upon an antenna carrier and arranged in at least two sub-arrays (100A, 100B). Each sub-array includes one or more of said elements. The system also includes control means (104) arranged to electrically control the phase of signals supplied to at least one of said sub- arrays (100A, 100B) from a location remote from said antenna assembly (100), wherein said control means comprise first and second phase adjustment means (132, 134) for connection to a respective one of said sub-arrays (100A, 100B), thereby to adjust the phase of signals supplied thereto. An additional mechanical phase adjustment arrangement (150E1-150En) is provided for further adjusting the phase of signals supplied to each element (E1-En) of the antenna assembly (100).

L'invention porte sur un système d'antenne (100) comprenant un ensemble d'antennes (102) comportant une pluralité d'éléments (E1-En) montés sur un support d'antenne et disposés en au moins deux sous-réseaux (100A, 100B). Chaque sous-réseau comprend un ou plusieurs de ces éléments. Le système comprend également un dispositif de commande (104) agencé de façon à commander électriquement la phase des signaux envoyés à au moins l'un des sous-réseaux (100A, 100B) depuis un emplacement distant de l'ensemble d'antennes (100). Ce dispositif de commande comprend des premier et second dispositifs d'ajustement de phase (132, 134) destinés à être raccordés à l'un des sous-réseaux (100A, 100B), ce qui permet d'ajuster la phase des signaux envoyés. Un dispositif d'ajustement de phase mécanique supplémentaire (150E1-150En) est également prévu pour ajuster la phase des signaux envoyés à chaque élément (E1-En) de l'ensemble d'antennes (100).

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