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Distributed SNIR Optimization Based on the Verhulst Model in Optical Code Path Routed Networks With Physical Constraints

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2 Author(s)
Durand, F.R. ; Technol. Fed. Univ. of Parana, Campo Mourão, Brazil ; Abrão, T.

In this work, the performance of a distributed power control algorithm (DPCA), based on the Verhulst model for signal-to-noise plus interference ratio (SNIR) optimization in optical code path (OCP) routed networks, was investigated. These networks rest on 2-D codes (time/wavelength) to establish the OCP. The DPCA can be effectively implemented in each node because it uses only local parameters. The SNIR model considers multiple-access interference, amplified spontaneous emission at cascaded amplified spans, group velocity dispersion, and polarization mode dispersion. Numerical results have shown SNIR convergence at power penalties of 7.94 and 11.51 dB for 2.5 and 10 Gbps, respectively. These results could be utilized for adjustment of either the transmitted power to a transmitter node or the gain to dynamic intermediary amplifiers.

Published in:

Optical Communications and Networking, IEEE/OSA Journal of  (Volume:3 ,  Issue: 9 )

Date of Publication:

September 2011

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