| 基于光网状网物理层的智能全光保护方案设计 |
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| 引用本文： | 韩瑜,张旭苹.基于光网状网物理层的智能全光保护方案设计[J].东南大学学报(自然科学版),2009,39(6). |
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| 作者姓名： | 韩瑜 张旭苹 |
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| 作者单位： | 南京大学光通信工程研究中心,南京,210093 |
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| 摘 要： | 光网状网物理层的智能全光保护方案采用基于"双发选收"模式的1+1保护方式.方案设计包含硬件和软件2个方面,硬件部分为一种新型的智能实时监测保护设备,软件部分为一种保护光路径自动建立算法.算法运行于设备之中,能够事先为每条工作光路径在保护光纤网络中寻找并建立对应的保护光路径.设备对工作光路径中的光功率进行实时监测,当工作光路径发生故障时,及时切换到保护光路径.最后以一个12节点光网状网为例,给出了保护光路径自动建立算法的仿真结果.采用该保护方案能够以全光保护方式实现光网状网的透明无阻断通信.
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| 关 键 词： | 光网状网 物理层 智能全光保护方案 保护光路径自动建立算法 |
Design of intelligent all-optical protection scheme based on the physical layer of mesh optical network |
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| Han Yu Zhang Xuping.Design of intelligent all-optical protection scheme based on the physical layer of mesh optical network[J].Journal of Southeast University(Natural Science Edition),2009,39(6). |
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| Authors: | Han Yu Zhang Xuping |
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| Institution: | Han Yu Zhang Xuping(Institute of Optical Communication Engineering,Nanjing University,Nanjing 210093,China) |
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| Abstract: | The design of the intelligent all-optical protection scheme based on the physical layer of the mesh optical network is introduced.This scheme obeys the principle of 1+1 protection method which is based on the dual fed selective receiving mode.The scheme consists of hardware design and software design.A new type of intelligent real-time monitoring and protecting device and an algorithm of automatic establishment of the protecting light path are designed.The algorithm runs within the device and enables the de... |
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| Keywords: | mesh optical network physical layer intelligent all-optical protection scheme algorithm of automatic establishment of the protecting light path |
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