Antenna system

H - Electricity – 01 – Q

Patent

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Details

H01Q 3/30 (2006.01) H01Q 1/24 (2006.01) H04B 7/10 (2006.01)

Patent

CA 2464883

An antenna system for use in transmitting and/or receiving at least two signals, whereby a first one of said signals is generated in a first operator frequency band by a first operator (1760A) and a second one of said signals is generated in a second operator frequency band by a second operator (1760B). The antenna system comprises an antenna assembly (702) having an adjustable angle of electrical tilt, and including a plurality of antenna elements (E1- En) for transmitting and/or receiving said signals, wherein the antenna elements are mounted upon an antenna carrier and are arranged in at least two sub-arrays (700A, 700B, 7000), each sub-array including one or more of said elements. Control means (750) are provided for controlling electrically the phase of signals transmitted and/or received by said antenna assembly, thereby to control the angle of electrical tilt of said antenna assembly. Combiner means (730, 740) for enabling said antenna assembly to transmit and/or receive substantially simultaneously a first one of said signals at a first angle of electrical tilt and a second one of said signals at a second angle of electrical tilt.

Système d'antenne destiné à être utilisé dans l'émission et/ou la réception d'au moins deux signaux, l'un des deux signaux étant généré dans une bande de fréquence par un premier opérateur (1760A), l'autre signal étant généré dans une bande de fréquence par un second opérateur (1760B). Le système d'antenne comprend un ensemble antenne (702) possédant un angle d'inclinaison électrique réglable, et comprenant une pluralité d'éléments d'antenne (E1-En) pour l'émission et/ou la réception de signaux. Les éléments d'antenne sont montés sur un support et sont disposés sous forme d'au moins deux sous-réseaux (700A, 700B, 7000), chaque sous-réseau comprenant un ou plusieurs de ces éléments. Un module de commande (750) permet de commander électriquement la phase des signaux émis et/ou reçus par l'ensemble antenne. Un combineur (730, 740) permet à l'ensemble antenne d'émettre et/ou recevoir pratiquement simultanément un premier signal à un premier angle d'inclinaison électrique et un second signal à un second angle d'inclinaison électrique.

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