Expanding the Capacities of WDM Star Single-Hop Networks by Reusing Wavelengths Two Times

GAN Chao-qin; ZHANG Ming-de; SUN Xiao-han

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Expanding the Capacities of WDM Star Single-Hop Networks by Reusing Wavelengths Two Times

更新时间：2025-07-16

- Expanding the Capacities of WDM Star Single-Hop Networks by Reusing Wavelengths Two Times
- Acta Electronica Sinica Vol. 30, Issue 4, Pages: 556-559(2002)
- 作者机构：
  
  东南大学电子工程系,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN29TN919.8
- Published：2002
- 稿件说明：
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GAN Chao-qin, ZHANG Ming-de, SUN Xiao-han. Expanding the Capacities of WDM Star Single-Hop Networks by Reusing Wavelengths Two Times[J]. Acta Electronica Sinica, 2002, 30(4): 556-559.
DOI：

GAN Chao-qin, ZHANG Ming-de, SUN Xiao-han. Expanding the Capacities of WDM Star Single-Hop Networks by Reusing Wavelengths Two Times[J]. Acta Electronica Sinica, 2002, 30(4): 556-559. DOI：

摘要

有限的数据信道波长数严格限制着波分复用星形单跳网容量.对此

本文提出了一种波长二次重用和多耦合器内连相结合的组网扩容方法.和常规波分复用星形网相比

该方法不但将网络所支持的节点数增加两倍;而且网络的所有数据信道波长都得到二次重用

网络最大吞吐量也增加两倍;在网络节点数不变的条件下

通过波长的二次重用

可大大减小网络中通信节点的排队时延

缓和各通信节点对数据信道波长使用权的竞争矛盾

有效地改善网络性能.此外

该方法结构简单

易于实施.

Abstract

For expanding the capacities of WDM(Wavelength Division Multiplexing) star networks free from the number of limited wavelengths

a scheme of reusing wavelengths two times is proposed in this paper.According to the scheme

not only the number of nodes can be increased two times

but also all the data wavelengths can be reused two times in the network and the throughput of the network is increased two times.Under the same number of nodes

the delay of network can be greatly lowered and the properties of the network can be efficiently improved.Besides

through the network structure proposed is simple

and the scheme can be easy implemented in practice.

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