Exploration on the Time Domain Hybrid Modulation Technique for Enhancing Protected Capacity of Optical Networks

LU Dong-lei; LI Yong-cheng; DAI Hua; SHAO Wei-dong; WANG Xiao-ling

doi:10.13756/j.gtxyj.2017.06.009

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Exploration on the Time Domain Hybrid Modulation Technique for Enhancing Protected Capacity of Optical Networks

- Exploration on the Time Domain Hybrid Modulation Technique for Enhancing Protected Capacity of Optical Networks
- Study on Optical communication Issue 6, Pages: 52-56(2017)
- 作者机构：
  
  1. 苏州大学电子信息学院
  2. 无锡科技职业学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.06.009
  CLC： TN929.1
- Published：2017，
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[1]陆冬磊,李泳成,代华,邵卫东,王晓玲.对TDHM技术提高光网络被保护容量的探究[J].光通信研究,2017(06):52-56.

LU Dong-lei, LI Yong-cheng, DAI Hua, et al. Exploration on the Time Domain Hybrid Modulation Technique for Enhancing Protected Capacity of Optical Networks. [J]. (6):52-56(2017)
[1]陆冬磊,李泳成,代华,邵卫东,王晓玲.对TDHM技术提高光网络被保护容量的探究[J].光通信研究,2017(06):52-56. DOI： 10.13756/j.gtxyj.2017.06.009.

LU Dong-lei, LI Yong-cheng, DAI Hua, et al. Exploration on the Time Domain Hybrid Modulation Technique for Enhancing Protected Capacity of Optical Networks. [J]. (6):52-56(2017) DOI： 10.13756/j.gtxyj.2017.06.009.

摘要

新型时域混合调制（TDHM）技术可以提高光通道的频谱使用效率

有效地提高光网络的容量。针对共享备份路径保护（SBPP）技术下的波分复用（WDM）光网络

我们结合TDHM技术研究了路由和波长分配（RWA）问题

并提出了一种基于最佳路径对策略的优化技术。仿真结果表明

与传统的最短路径策略优化技术相比

提出的最佳路径对策略能使被保护的网络容量提高30%

从而验证了TDHM技术对提高光网络传输容量的有效性。

Abstract

Time Domain Hybrid Modulation（TDHM）can significantly improve the spectrum efficiency and capacity of optical channel in optical networks.Based on the Shared Backup Path Protection（SBPP）

in Wavelength Division Multiplexing（WDM）network

we combine the TDHM technique with Routing and Wavelength Assignment（RWA）

and propose a novel optimal path pair strategy.Simulation studies indicates that

compared with traditional k-shortest path strategy

our new approach can increase the protected network capacity up to 30%

which verifies the efficiency of TDHM technique in terms of improving the transmission capacity in optical networks.

关键词

波分复用路由波长分配最佳路径对时域混合调制

Keywords

WDMRWAoptimal path pairTDH

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