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Interference eliminating method in adaptive array system and array processing device
   
Document Number
US Patent 7487068
Issued Date
February 3, 2009
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Abstract
The present invention relates to an interference eliminating method in an adaptive array system, and an array processing device using the interference eliminating method. A predetermined array weight is applied to signals input through respective array elements, and the respective input signals to which the array weight is applied are added to generate an array output signal. Subsequently, the array weight is updated based on the array output signal and a first convergence parameter for unit gain constraint, and the array weight is updated based on the array output signal and a second convergence parameter for null constraint. Since a process for generating the array output signal is repeatedly performed based on the updated array weight, an interference signal is eliminated from the input signal.
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Number of Claims:
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Published
February 3, 2009
Application Number
11/674,980
Filed
February 14, 2007
US Classification
702/189   702/191 702/194
Int'l Classification
H04B   15/00   (20060101)   G06F   17/00   (20060101)  
Examiner
Parent Case
CROSS-REFERENCE TO RELATED APPLICATION This application claims priority to and the benefit of U.S. Patent Application No. 60/774,554 filed in the USPTO on Feb. 17, 2006, the entire contents of which are incorporated herein by reference.
USPTO Field of Search
702/189   702/79   702/191   702/194  
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