Modulation format-based spectrum reconstruction algorithm in elastic optical networks

Li Wei; Jin Xin; Chen Baojing; Pan Ying; Zhao Yongli

doi:10.13756/j.gtxyj.2014.03.012

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Modulation format-based spectrum reconstruction algorithm in elastic optical networks

- Modulation format-based spectrum reconstruction algorithm in elastic optical networks
- Study on Optical communication Issue 3, Pages: 35-37(2014)
- 作者机构：
  
  1. 国网甘肃省电力公司信息通信公司
  2. 北京邮电大学
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.03.012
  CLC： TN929.1
- Published：2014，
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[1]李炜,金鑫,陈宝靖,潘莹,赵永利.弹性光网络中基于调制格式的频谱重构算法[J].光通信研究,2014(03):35-37.

Li Wei, Jin Xin, Chen Baojing, et al. Modulation format-based spectrum reconstruction algorithm in elastic optical networks. [J]. (3):35-37(2014)
[1]李炜,金鑫,陈宝靖,潘莹,赵永利.弹性光网络中基于调制格式的频谱重构算法[J].光通信研究,2014(03):35-37. DOI： 10.13756/j.gtxyj.2014.03.012.

Li Wei, Jin Xin, Chen Baojing, et al. Modulation format-based spectrum reconstruction algorithm in elastic optical networks. [J]. (3):35-37(2014) DOI： 10.13756/j.gtxyj.2014.03.012.

摘要

为了解决频谱碎片问题

针对弹性光网络中业务调制格式可变的特点提出了一种基于调制格式的重构算法

并给出了这种算法与最短径重构算法的仿真比较。仿真结果表明

基于调制格式的频谱重构算法能够更灵活地改变频谱子载波的分配问题

在相同的网络条件下可以有效提高频谱资源利用率。

Abstract

To solve the problem of spectrum fragmentation

this paper proposes a modulation format-based spectrum reconstruction algorithm taking into consideration the feature of variable service modulation format in elastic optical networks and compares in simulation this algorithm with the shortest-path reconstruction algorithm.The results show that the proposed algorithm more flexibly changes the allocation of spectrum subcarriers and effectively improves the utilization of spectrum resources under the same network conditions.

关键词

弹性光网络调制格式频谱资源重构

Keywords

elastic optical networksmodulation formatspectrum resource reconstruction

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