Using beamforming and closed loop transmit diversity in a...

Details Using beamforming and closed loop transmit diversity in a... Using beamforming and closed loop transmit diversity in a...

H - Electricity

04

B

H04B 7/06 (2006.01) H04B 7/04 (2006.01)

Patent

CA 2507640

In controlling a multi-beam antenna system for downlink wireless communication, beamforming and closed loop transmit diversity signaling are combined. Each beam signal is adjusted at the transmitter based on feedback from a wireless mobile communication station such that the signals received at the wireless mobile communication station can be coherently combined.

Le procédé de l'invention combine une mise en forme du faisceau et une signalisation de diversité d'émission en boucle fermée pour commander un système d'antenne à plusieurs faisceaux en vue d'établir une communication sans fil dans le sens satellite-terre. Chaque signal du faisceau est réglé au niveau de l'émetteur, sur la base d'un retour d'information émanant d'un poste de communication mobile sans fil, de sorte que les signaux reçus au niveau dudit poste de communication mobile sans fil puissent être combinés de façon cohérente.

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