TWDM-PON中时延约束节能动态波长带宽分配算法

于存谦; 唐明珠; 何荣希

doi:10.11959/j.issn.1000-436x.2018160

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TWDM-PON中时延约束节能动态波长带宽分配算法

论文Ⅱ：光传输系统与光网络优化 | 更新时间：2024-06-05

- TWDM-PON中时延约束节能动态波长带宽分配算法
- Energy-efficient dynamic wavelength and bandwidth allocation algorithm with delay constraint for time and wavelength division multiplexed passive optical networks
- 通信学报 2018年39卷第9期页码：110-121
- 作者机构：
  
  大连海事大学信息科学技术学院，辽宁大连 116026
- 作者简介：
  
  [ "于存谦（1983-），男，辽宁沈阳人，博士，大连海事大学讲师，主要研究方向为光网络技术。" ]
  [ "唐明珠（1993-），女，辽宁辽阳人，大连海事大学硕士生，主要研究方向为光网络技术。" ]
  [ "何荣希（1971-），男，四川南充人，博士，大连海事大学教授，主要研究方向为光网络和无线网络技术。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61371091);国家自然科学基金资助项目(61801074);大连海事大学“十三五”重点科研基金资助项目(3132016318);中央高校基本科研业务费专项基金资助项目(3132017078)
- DOI：10.11959/j.issn.1000-436x.2018160
  中图分类号： TN929.18
- 网络出版日期：2018-09，
  
  纸质出版日期：2018-09-25
- 稿件说明：
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于存谦, 唐明珠, 何荣希. TWDM-PON中时延约束节能动态波长带宽分配算法[J]. 通信学报, 2018,39(9):110-121.

Cunqian YU, Mingzhu TANG, Rongxi HE. Energy-efficient dynamic wavelength and bandwidth allocation algorithm with delay constraint for time and wavelength division multiplexed passive optical networks[J]. Journal on communications, 2018, 39(9): 110-121.
于存谦, 唐明珠, 何荣希. TWDM-PON中时延约束节能动态波长带宽分配算法[J]. 通信学报, 2018,39(9):110-121. DOI： 10.11959/j.issn.1000-436x.2018160.

Cunqian YU, Mingzhu TANG, Rongxi HE. Energy-efficient dynamic wavelength and bandwidth allocation algorithm with delay constraint for time and wavelength division multiplexed passive optical networks[J]. Journal on communications, 2018, 39(9): 110-121. DOI： 10.11959/j.issn.1000-436x.2018160.

摘要

基于离线调度方式和节点模块化设计思想，提出一种时延约束节能动态波长带宽分配算法。该算法考虑OLT和ONU两端协同节能，在保证分组时延约束条件下，尽可能减少激活波长数和延长轮询周期长度。同时，尽量集中OLT和ONU端上/下行传输时间，减少其状态转换次数，延长其处于低功耗状态时间，并避免信道出现高能耗空隙。仿真结果表明所提算法在保证分组时延约束的前提下，有利于降低OLT端和ONU端能耗以及全网总能耗。

Abstract

Based on offline scheduling and node modular design

an energy-efficient dynamic wavelength and bandwidth allocation algorithm with the delay constraint (EE-DWBA-DC) was proposed.Optical line terminal (OLT) and optical network units (ONU) were considered to save energy.Under the constraint of packet delay

the number of active wavelengths could be reduced as much as possible and the length of polling cycle was increased.At the same time

the uplink and downlink transmission time of OLT and ONU were concentrated to reduce the state conversion times and extend its low-power duration.In addition

the high energy consumption voids of channels were attempted to be minimized.The simulation results verify that the proposed algorithm can reduce the energy consumption of OLT and ONU and the total energy consumption of the whole network under the premise of guaranteeing packet delay constraints.

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references

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