H - Electricity – 04 – B
Patent
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.
Goransson Bo
Hagerman Bo
Logothetis Andrew
Ericsson Canada Patent Group
Telefonaktiebolaget Lm Ericsson (publ)
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