H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 27/26 (2006.01)
Patent
CA 2760730
An adaptive filter being configured to filter an input signal comprises Fourier transforming means (101) being configured to transform the input signal into a frequency domain signal upon the basis of the Fourier transform, weighting means (103) being configured to weight at least a portion of the frequency domain signal with a filter coefficient of the dispersion filter in frequency domain to obtain a filtered signal in frequency domain, correlating means (107) being configured to correlate the filtered signal in frequency domain to obtain a correlation value, and adaptation means (109, 111) being configured to adapt the filter coefficient upon the basis of the correlation value.
L?invention concerne un filtre adaptatif conçu pour filtrer un signal d?entrée, le filtre adaptatif comprenant un moyen de transformation de Fourier (101) conçu pour transformer par transformée de Fourier le signal d?entrée en un signal dans le domaine fréquentiel, un moyen de pondération (103) conçu pour pondérer une partie au moins du signal dans le domaine fréquentiel par un coefficient de filtrage d?un filtre de dispersion dans le domaine fréquentiel, un moyen de corrélation (107) conçu pour corréler le signal filtré dans le domaine fréquentiel pour obtenir une valeur de corrélation, et un moyen d?adaptation (109, 111) conçu pour adapter le coefficient de filtrage compte tenu de la valeur de corrélation.
Gowling Lafleur Henderson Llp
Huawei Technologies Co. Ltd.
LandOfFree
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