单载波40gbit /s下行长距离无源光网络解决方案

2014 16th International Telecommunications Network Strategy and Planning Symposium (Networks) Pub Date : 2014-11-20 DOI:10.1109/NETWKS.2014.6959259

G. Torfs, X. Yin, A. Vyncke, M. Verbeke, J. Bauwelinck

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引用次数: 1

摘要

本文提出了一种单载波40 Gbit/s下游长距离无源光网络(LR-PON)拓扑结构，作为将当前光纤基础设施升级到更高数据速率的候选方案。以100 km的LR-PON网络为研究对象，提出了克服色散的两种解决方案。首先，加入色散补偿元件来补偿馈线光纤的平均长度。其次，介绍了一种先进的三电平电双二进制调制方案。该方案的优点是允许较低带宽的apd，并且只需要有限的额外电子设备。此外，为了克服聚合线速率和用户速率之间的固有差异，从而降低了功率效率，增加了BiPON协议，以最大限度地减少高线速率下的信号处理。

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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Solutions for a single carrier 40 Gbit/s downstream long-reach passive optical network

This paper presents a single carrier 40 Gbit/s downstream long-reach passive optical network (LR-PON) topology as candidate for upgrading current fiber infrastructure towards higher data rates. A 100 km LR-PON network was investigated and 2 solutions to overcome chromatic dispersion were proposed. Firstly, a dispersion compensated element is added to compensate the mean length of the feeder fiber. Secondly, an advanced modulation scheme, i.e. 3-level electrical duo-binary is introduced. This scheme has the advantage of allowing lower bandwidth APDs and requires only limited additional electronics. Furthermore, to overcome the inherent discrepancy between aggregated line rate and user rate, and hence the reduced power effciency, the BiPON protocol is added to minimize signal processing at the high line rates.

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2014 16th International Telecommunications Network Strategy and Planning Symposium (Networks)

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