H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 15/00 (2006.01) H01Q 3/26 (2006.01) H04B 1/12 (2006.01) H04B 7/08 (2006.01) H04Q 7/30 (2006.01)
Patent
CA 2258890
A communication system and method, particularly adapted for use in adaptive antenna arrays, are presented. A plurality of signals containing a desired signal, interference, and noise are received through an array of antennas connected to a base receiving station. The signal arriving at each antenna is weighted according to computations which adjust those weights as a function of received interference and noise power in an unequal manner, based on the estimation accuracy of the interference and noise, which in turn depends on factors such as interference to noise power ratios and fading rate.
L'invention concerne un système et un procédé de télécommunications particulièrement utiles dans des réseaux d'antennes adaptatives. Plusieurs signaux contenant un signal, un brouillage, et un bruit voulus sont reçus au moyen d'un réseau d'antennes connectées à une station de réception de base. Le signal reçu à chaque antenne est pondéré en fonction de calculs servant à ajuster ces pondérations de façon inégale en fonction de la puissance de bruit et de brouillage reçus, sur la base de la précision d'évaluation du brouillage et du bruit, laquelle dépend à son tour de facteurs tels que les rapports de puissance brouillage sur bruit et le taux d'évanouissement.
Golden Glenn David
Martin Carol Catalano
Sollenberger Nelson Ray
Winters Jack Harriman
At&t Corp.
Kirby Eades Gale Baker
Lucent Technologies Inc.
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