Toward green next-generation passive optical networks

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Abstract
Energy saving in telecom networks in general and in optical IP networks in particular has been a growing field of research. Next-generation passive optical network, which is considered one of the most promising optical access networks, has notably matured in the past few years and is envisioned to massively evolve in the near future. This trend will increase the power requirements of NG-PON and make it no longer coveted. This article first provides a comprehensive survey of the previously reported studies on tackling this problem. A novel solution framework is then introduced, which aims to explore the maximum design dimensions and achieve the best possible power saving while maintaining the QoS requirements for each type of service. Results demonstrate the merits of the proposed framework.

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