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GLOBECOM
2009
IEEE

Crosstalk-Preventing Scheduling in AWG-Based Cell Switches

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Crosstalk-Preventing Scheduling in AWG-Based Cell Switches
—AWG-based optical switching fabrics are affected by coherent crosstalk, that can significantly impair system operation when the same wavelength is used simultaneously on several input ports to forward data to output ports. To permit large port counts in a N×N AWG, the scheduling of transmissions across the AWG must therefore prevent switch configurations that generate large crosstalk. We study the properties and the existence conditions of switch configurations able to control coherent crosstalk. Our results show that it is possible to keep an AWG-based switch with large port counts in the feasible operational region without significant performance degradation, provided that a proper scheduling algorithm is used.
Andrea Bianco, David Hay, Fabio Neri
Added 20 May 2010
Updated 20 May 2010
Type Conference
Year 2009
Where GLOBECOM
Authors Andrea Bianco, David Hay, Fabio Neri
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