Energy-efficient dynamic wavelength and bandwidth allocation algorithm with delay constraint for time and wavelength division multiplexed passive optical networks

Cunqian YU; Mingzhu TANG; Rongxi HE

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

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Energy-efficient dynamic wavelength and bandwidth allocation algorithm with delay constraint for time and wavelength division multiplexed passive optical networks

Optical Transmission System and Optical Network Optimization | 更新时间：2024-06-05

- Energy-efficient dynamic wavelength and bandwidth allocation algorithm with delay constraint for time and wavelength division multiplexed passive optical networks
- Journal on Communications Vol. 39, Issue 9, Pages: 110-121(2018)
- 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：
- 基金信息：
  
  The National Natural Science Foundation of China(61371091);The National Natural Science Foundation of China(61801074);The 13th Five-Year Key Research Project of Dalian Maritime University(3132016318);The Fundamental Research Funds for Central Universities(3132017078)
- DOI：10.11959/j.issn.1000-436x.2018160
  CLC： TN929.18
- Online First：2018-09，
  
  Published：25 September 2018
- 稿件说明：
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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：

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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