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Cross-talk effects on the regenerator allocation optimization

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5 Author(s)
Eva Marín-Tordera ; Advanced Network Architectures Lab (CRAAX), Universitat Politècnica de Catalunya (UPC), Spain ; Xavier Masip-Bruin ; Marcelo Yannuzzi ; René Serral-Gracià
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This paper studies the impact of considering crosstalk effects in the IA-RWA process and in the regenerator allocation algorithms. First of all, we evaluate if the regenerator allocation optimization is still useful when the crosstalk effects are considered. For this end we improve a simple physical model which computes the quality of the signal factor for each optical connection. Until now this physical model was unaware of the physical layer impairments depending on the interference between different optical connections, such as the crosstalk. Following the same simple methodology we add the switching node crosstalk effect to the computation of the quality of the signal factor. Once the new physical model is enhanced we evaluate the impact of the crosstalk on the performance of IA-RWA algorithms that optimize the use of the regenerators; and also we evaluate the impact of different e wavelength assignation techniques.

Published in:

Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT), 2010 International Congress on

Date of Conference:

18-20 Oct. 2010