Binder identification

H - Electricity – 04 – M

Patent

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Details

H04M 11/06 (2006.01)

Patent

CA 2608329

Methods, techniques and apparatus identify members and characteristics of binders and/or other groups of communication lines such as those in a DSL system. Information obtained includes the identification (for example, by scanning) of significant crosstalking "offenders" and their "victims" that are affected by the crosstalk. One or a small number of modems are instructed to transmit with preselected transmit spectra, after which evidence of crosstalk in the noise spectrum data is examined for potential victim lines. Direct evidence of noise spectrum contribution by a suspected offender line may be obtained by collecting reported noise spectrum data and/or estimated noise spectrum data from potential victim lines. For DMT modulated DSL transceivers, well designed transmit spectra can be easily enforced by manipulating line profiles where such well designed line profiles cause minimal or no interruption to existing DSL customers.

L'invention concerne des procédés, des techniques et un appareil permettant d'identifier des éléments et des caractéristiques de liaison et/ou d'autres groupes de lignes de communication telles que celles existant dans un système DSL. Les informations obtenues comprennent l'identification (par exemple par balayage) de <= transgresseurs >= diaphoniques importants et de leurs <= victimes >= touchées par la diaphonie. Un modem ou un petit nombre de modems reçoivent l'instruction de transmettre au moyen de spectres de transmission présélectionnés à partir desquels on examine des manifestations diaphoniques dans les données spectrales de bruit pour des lignes de victimes éventuelles. Il est possible d'obtenir une manifestation directe de contribution au spectre de bruit d'une ligne de transgression suspecte par la collecte des données spectrales de bruit rapportées et/ou des données spectrales de bruit estimées à partir de lignes de victimes éventuelles. Pour des émetteurs-récepteurs DSL à modulation DMT, il est possible d'exécuter les spectres de transmission en manipulant des profils de ligne de manière à ce qu'ils ne provoquent pas d'interruption ou une interruption minimale pour les clients DSL existants.

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