一种串扰感知的空分复用弹性光网络频谱分配算法Crosstalk-aware spectrum allocation algorithm for space-division multiplexing elastic optical networks
蔡一峰;蓝求旺;陈尚君;陈鑫;沈建华;
摘要(Abstract):
在基于多芯光纤(MCF)的空分复用弹性光网络(SDM-EON)中,针对纤芯间串扰导致的传输信号物理损伤问题,从频谱分配和纤芯选择角度出发,提出了一种串扰感知的SDM-EON频谱分配算法。该算法在为业务请求分配频谱资源时通过避免填充相邻纤芯来尽量减少单个请求内部的串扰以及请求与请求之间的串扰。数值仿真结果表明:在NSFNet和USNet 2种网络拓扑中,该算法能够在维持较低带宽阻塞率水平的同时有效改善串扰问题。
关键词(KeyWords): 多芯光纤;空分复用;弹性光网络;串扰
基金项目(Foundation):
作者(Authors): 蔡一峰;蓝求旺;陈尚君;陈鑫;沈建华;
DOI: 10.13921/j.cnki.issn1002-5561.2022.05.004
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