H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/02 (2006.01) H04B 7/005 (2006.01) H04B 7/06 (2006.01)
Patent
CA 2447777
Communication is performed for a first communication device (120) having a set of antenna element (125). A quality-indication signal (270) is received from a second communication device (110). A complex weighting is calculated based on the quality-indication signal. A pre-transmission signal (260) is modified based on the complex weighting to produce a set of modified pre-transmission signals. Each modified pre-transmission signal from the set of modified pre- transmission signals is uniquely associated with an antenna element from the set of antenna elements. The set of modified pre-transmission signals is sent from the set of antenna elements to produce a transmitted signal. The complex weighting is associated with a total power of the transmitted power and at least one from a phase rotation and a power ratio associated with each antenna element from the set of antenna elements.
L'invention concerne un premier dispositif de communication (120) équipé d'une série d'éléments d'antenne (125). Un signal d'indication de qualité (270) est reçu depuis un second dispositif de communication (110). Une pondération complexe est accomplie sur la base de ce signal. On modifie un signal de prétransmission (260) sur la base de la pondération complexe, pour établir une série de signaux de prétransmission modifiés. Chaque signal ainsi modifié, dans la série, est associé de façon biunivoque à un élément d'antenne de la série d'éléments susmentionnée. On transmet la série de signaux de prétransmission modifiés depuis la série d'éléments d'antenne, pour établir un signal de transmission. La pondération complexe est associée à une puissance d'émission totale, et au moins à une rotation de phase ou à un rapport de puissance correspondant à chaque élément d'antenne.
Harel Haim
Li Yingxue
Segalovitz Alexander
Kirby Eades Gale Baker
Magnolia Broadband Inc.
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