Trading Regeneration and Spectrum Utilization in Code-Rate Adaptive Flexi-Grid Networks

  title={Trading Regeneration and Spectrum Utilization in Code-Rate Adaptive Flexi-Grid Networks},
  author={Isabella Cerutti and Francesca Martinelli and Nicola Sambo and Filippo Cugini and Piero Castoldi},
  journal={Journal of Lightwave Technology},
Introduced to improve the spectral efficiency, time-frequency packing technique allows the exploitation of different code rates, leading to different levels of spectral utilization and all-optical reach. To ensure quality of transmission of the optical signal, opto-electronic regeneration must be used to propagate the transmission beyond the maximum optical reach and can inherently offer conversion of spectrum and code rate. In this way, multiple code rates can be enabled in optical networks… CONTINUE READING
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