Cost-Effective Capacity Increase of Deployed Optical Networks to Support the Future Internet: the Multi-Band Approach

R. Sadeghi, B. Correia, E. Virgillito, A. Napoli, N. Costa, J. Pedro, V. Curri
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引用次数: 1

Abstract

Band division multiplexing is proposed in this work as a cost-effective strategy to cope with the always increasing demand for capacity in optical networks. The potential of the proposed strategy is investigated considering two reference network topologies from Germany and the USA. We evaluate the impact of using C+L+S-band in terms of capacity and energy consumption. The use of signal regeneration to improve optical performance is also evaluated. We showed that, due to the worse Quality of Transmission (QoT) in the S-band, it provides the smallest capacity increase among the considered transmission bands. Nevertheless, placing some optical signal regenerators in this band enables increasing significantly its capacity. However, this enhancement of capacity is achieved at the cost of increased energy consumption (besides capital expenditures).
支持未来互联网的高性价比部署光网络扩容:多频带方法
本文提出了带分复用作为一种经济有效的策略来应对光网络中不断增长的容量需求。考虑到来自德国和美国的两种参考网络拓扑结构,研究了所提出策略的潜力。我们从容量和能耗方面评估了使用C+L+ s波段的影响。利用信号再生提高光学性能也进行了评估。我们表明,由于s波段的传输质量(QoT)较差,它在考虑的传输波段中提供了最小的容量增加。然而,在该波段放置一些光信号再生器可以显著增加其容量。然而,这种能力的增强是以增加能源消耗(除了资本支出)为代价的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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