System and method for reducing interference in an optical...

H - Electricity – 04 – L

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H04L 1/00 (2006.01) H04B 10/158 (2006.01) H04B 10/18 (2006.01) H04L 1/20 (2006.01)

Patent

CA 2504642

A method of reducing interference in a data stream includes filtering the data stream using a first equalizer to output a first filtered data stream. Also, the data stream is filtered using a second equalizer to create a second filtered data stream. Then, one or more error rates based on the first filtered data stream and the second filtered data stream are determined. Based at least in part on those error rates, a filtered data stream is selected from among the first filtered data stream and the second filtered data stream. A threshold value is determined, and then compared against the selected filtered data stream to generate a data bit.

L'invention concerne un procédé de réduction d'une interférence dans un train de données optiques, qui consiste à filtrer le train de données au moyen d'un premier égaliseur, afin de produire un premier train de données filtré. Le train de données est également filtré au moyen d'un second égaliseur, afin de produire un second train de données filtré. Un ou plusieurs taux d'erreur basés sur le premier train de données filtré et le second train de données filtré sont ensuite déterminés. Le premier train de données filtré ou le second train de données filtré est choisi, au moins en partie sur la base de ces taux d'erreur. Une valeur de seuil est déterminée puis comparée au train de données filtré choisi, afin de produire un bit de données.

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