An apparatus and method for self-adaptive dispersion...

H - Electricity – 04 – B

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H04B 10/18 (2006.01) H04B 10/12 (2006.01)

Patent

CA 2633189

An apparatus and method for self-adaptive dispersion compensating are applied to the self-adaptive compensation of dispersion in communication system, the apparatus comprises: input optical fiber, optical tunable dispersion compensator, output optical fiber, signaling system unit, control logic unit, the control logic unit calculates the adjusting value of the optical tunable dispersion compensator according to the dispersion performance information detected by the signaling system unit, then feeds back for controlling the optical tunable dispersion compensator, thus adjusts the dispersion compensating value of the optical dispersion compensator. The invention can self-adaptively compensate the system dispersion in real time, thus the transmission quality of the system signal is guaranteed, and in the case that the dispersion of the lines or network nodes is variable, it can implement the self-adaptive dispersion compensating of multi-channel or single-channel system.

Dans la présente invention, on utilise un appareil et un procédé de compensation de dispersion auto-adaptative pour effectuer la compensation auto-adaptative de dispersion dans un système de communication, ledit appareil comprenant: une fibre optique d'entrée, un compensateur de dispersion accordable optique, une fibre optique de sortie, une unité de système de signalisation, une unité logique de commande, ladite unité logique de commande calculant la valeur d'ajustement du compensateur de dispersion accordable optique en fonction des informations d'efficacité de dispersion détectées par l'unité de système de signalisation, puis effectuant une rétroaction pour commander le compensateur de dispersion accordable optique, ce qui ajuste ainsi la valeur de compensation de dispersion. Cette invention permet de compenser de manière auto-adaptative la dispersion du système en temps réel et de garantir ainsi la qualité de transmission du signal du système, et, lorsque la dispersion des lignes ou des noeuds du réseau est variable, l'invention permet de mettre en oeuvre la compensation de dispersion auto-adaptative d'un système à voie unique ou à voies multiples.

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